提交 332a3392 编写于 作者: L Linus Torvalds

Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (102 commits)
  crypto: sha-s390 - Fix warnings in import function
  crypto: vmac - New hash algorithm for intel_txt support
  crypto: api - Do not displace newly registered algorithms
  crypto: ansi_cprng - Fix module initialization
  crypto: xcbc - Fix alignment calculation of xcbc_tfm_ctx
  crypto: fips - Depend on ansi_cprng
  crypto: blkcipher - Do not use eseqiv on stream ciphers
  crypto: ctr - Use chainiv on raw counter mode
  Revert crypto: fips - Select CPRNG
  crypto: rng - Fix typo
  crypto: talitos - add support for 36 bit addressing
  crypto: talitos - align locks on cache lines
  crypto: talitos - simplify hmac data size calculation
  crypto: mv_cesa - Add support for Orion5X crypto engine
  crypto: cryptd - Add support to access underlaying shash
  crypto: gcm - Use GHASH digest algorithm
  crypto: ghash - Add GHASH digest algorithm for GCM
  crypto: authenc - Convert to ahash
  crypto: api - Fix aligned ctx helper
  crypto: hmac - Prehash ipad/opad
  ...
......@@ -250,8 +250,9 @@ static int des3_128_setkey(struct crypto_tfm *tfm, const u8 *key,
const u8 *temp_key = key;
u32 *flags = &tfm->crt_flags;
if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE))) {
*flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED;
if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE)) &&
(*flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
*flags |= CRYPTO_TFM_RES_WEAK_KEY;
return -EINVAL;
}
for (i = 0; i < 2; i++, temp_key += DES_KEY_SIZE) {
......@@ -411,9 +412,9 @@ static int des3_192_setkey(struct crypto_tfm *tfm, const u8 *key,
if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) &&
memcmp(&key[DES_KEY_SIZE], &key[DES_KEY_SIZE * 2],
DES_KEY_SIZE))) {
*flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED;
DES_KEY_SIZE)) &&
(*flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
*flags |= CRYPTO_TFM_RES_WEAK_KEY;
return -EINVAL;
}
for (i = 0; i < 3; i++, temp_key += DES_KEY_SIZE) {
......
......@@ -46,12 +46,38 @@ static int sha1_init(struct shash_desc *desc)
return 0;
}
static int sha1_export(struct shash_desc *desc, void *out)
{
struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
struct sha1_state *octx = out;
octx->count = sctx->count;
memcpy(octx->state, sctx->state, sizeof(octx->state));
memcpy(octx->buffer, sctx->buf, sizeof(octx->buffer));
return 0;
}
static int sha1_import(struct shash_desc *desc, const void *in)
{
struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
const struct sha1_state *ictx = in;
sctx->count = ictx->count;
memcpy(sctx->state, ictx->state, sizeof(ictx->state));
memcpy(sctx->buf, ictx->buffer, sizeof(ictx->buffer));
sctx->func = KIMD_SHA_1;
return 0;
}
static struct shash_alg alg = {
.digestsize = SHA1_DIGEST_SIZE,
.init = sha1_init,
.update = s390_sha_update,
.final = s390_sha_final,
.export = sha1_export,
.import = sha1_import,
.descsize = sizeof(struct s390_sha_ctx),
.statesize = sizeof(struct sha1_state),
.base = {
.cra_name = "sha1",
.cra_driver_name= "sha1-s390",
......
......@@ -42,12 +42,38 @@ static int sha256_init(struct shash_desc *desc)
return 0;
}
static int sha256_export(struct shash_desc *desc, void *out)
{
struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
struct sha256_state *octx = out;
octx->count = sctx->count;
memcpy(octx->state, sctx->state, sizeof(octx->state));
memcpy(octx->buf, sctx->buf, sizeof(octx->buf));
return 0;
}
static int sha256_import(struct shash_desc *desc, const void *in)
{
struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
const struct sha256_state *ictx = in;
sctx->count = ictx->count;
memcpy(sctx->state, ictx->state, sizeof(ictx->state));
memcpy(sctx->buf, ictx->buf, sizeof(ictx->buf));
sctx->func = KIMD_SHA_256;
return 0;
}
static struct shash_alg alg = {
.digestsize = SHA256_DIGEST_SIZE,
.init = sha256_init,
.update = s390_sha_update,
.final = s390_sha_final,
.export = sha256_export,
.import = sha256_import,
.descsize = sizeof(struct s390_sha_ctx),
.statesize = sizeof(struct sha256_state),
.base = {
.cra_name = "sha256",
.cra_driver_name= "sha256-s390",
......
......@@ -13,7 +13,10 @@
*
*/
#include <crypto/internal/hash.h>
#include <crypto/sha.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include "sha.h"
......@@ -37,12 +40,42 @@ static int sha512_init(struct shash_desc *desc)
return 0;
}
static int sha512_export(struct shash_desc *desc, void *out)
{
struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
struct sha512_state *octx = out;
octx->count[0] = sctx->count;
octx->count[1] = 0;
memcpy(octx->state, sctx->state, sizeof(octx->state));
memcpy(octx->buf, sctx->buf, sizeof(octx->buf));
return 0;
}
static int sha512_import(struct shash_desc *desc, const void *in)
{
struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
const struct sha512_state *ictx = in;
if (unlikely(ictx->count[1]))
return -ERANGE;
sctx->count = ictx->count[0];
memcpy(sctx->state, ictx->state, sizeof(ictx->state));
memcpy(sctx->buf, ictx->buf, sizeof(ictx->buf));
sctx->func = KIMD_SHA_512;
return 0;
}
static struct shash_alg sha512_alg = {
.digestsize = SHA512_DIGEST_SIZE,
.init = sha512_init,
.update = s390_sha_update,
.final = s390_sha_final,
.export = sha512_export,
.import = sha512_import,
.descsize = sizeof(struct s390_sha_ctx),
.statesize = sizeof(struct sha512_state),
.base = {
.cra_name = "sha512",
.cra_driver_name= "sha512-s390",
......@@ -78,7 +111,10 @@ static struct shash_alg sha384_alg = {
.init = sha384_init,
.update = s390_sha_update,
.final = s390_sha_final,
.export = sha512_export,
.import = sha512_import,
.descsize = sizeof(struct s390_sha_ctx),
.statesize = sizeof(struct sha512_state),
.base = {
.cra_name = "sha384",
.cra_driver_name= "sha384-s390",
......
......@@ -636,7 +636,7 @@ static int __init aesni_init(void)
int err;
if (!cpu_has_aes) {
printk(KERN_ERR "Intel AES-NI instructions are not detected.\n");
printk(KERN_INFO "Intel AES-NI instructions are not detected.\n");
return -ENODEV;
}
if ((err = crypto_register_alg(&aesni_alg)))
......
......@@ -23,11 +23,13 @@ comment "Crypto core or helper"
config CRYPTO_FIPS
bool "FIPS 200 compliance"
depends on CRYPTO_ANSI_CPRNG
help
This options enables the fips boot option which is
required if you want to system to operate in a FIPS 200
certification. You should say no unless you know what
this is.
this is. Note that CRYPTO_ANSI_CPRNG is requred if this
option is selected
config CRYPTO_ALGAPI
tristate
......@@ -156,7 +158,7 @@ config CRYPTO_GCM
tristate "GCM/GMAC support"
select CRYPTO_CTR
select CRYPTO_AEAD
select CRYPTO_GF128MUL
select CRYPTO_GHASH
help
Support for Galois/Counter Mode (GCM) and Galois Message
Authentication Code (GMAC). Required for IPSec.
......@@ -267,6 +269,18 @@ config CRYPTO_XCBC
http://csrc.nist.gov/encryption/modes/proposedmodes/
xcbc-mac/xcbc-mac-spec.pdf
config CRYPTO_VMAC
tristate "VMAC support"
depends on EXPERIMENTAL
select CRYPTO_HASH
select CRYPTO_MANAGER
help
VMAC is a message authentication algorithm designed for
very high speed on 64-bit architectures.
See also:
<http://fastcrypto.org/vmac>
comment "Digest"
config CRYPTO_CRC32C
......@@ -289,6 +303,13 @@ config CRYPTO_CRC32C_INTEL
gain performance compared with software implementation.
Module will be crc32c-intel.
config CRYPTO_GHASH
tristate "GHASH digest algorithm"
select CRYPTO_SHASH
select CRYPTO_GF128MUL
help
GHASH is message digest algorithm for GCM (Galois/Counter Mode).
config CRYPTO_MD4
tristate "MD4 digest algorithm"
select CRYPTO_HASH
......@@ -780,13 +801,14 @@ comment "Random Number Generation"
config CRYPTO_ANSI_CPRNG
tristate "Pseudo Random Number Generation for Cryptographic modules"
default m
select CRYPTO_AES
select CRYPTO_RNG
select CRYPTO_FIPS
help
This option enables the generic pseudo random number generator
for cryptographic modules. Uses the Algorithm specified in
ANSI X9.31 A.2.4
ANSI X9.31 A.2.4. Not this option must be enabled if CRYPTO_FIPS
is selected
source "drivers/crypto/Kconfig"
......
......@@ -3,7 +3,7 @@
#
obj-$(CONFIG_CRYPTO) += crypto.o
crypto-objs := api.o cipher.o digest.o compress.o
crypto-objs := api.o cipher.o compress.o
obj-$(CONFIG_CRYPTO_WORKQUEUE) += crypto_wq.o
......@@ -22,7 +22,6 @@ obj-$(CONFIG_CRYPTO_BLKCIPHER2) += chainiv.o
obj-$(CONFIG_CRYPTO_BLKCIPHER2) += eseqiv.o
obj-$(CONFIG_CRYPTO_SEQIV) += seqiv.o
crypto_hash-objs := hash.o
crypto_hash-objs += ahash.o
crypto_hash-objs += shash.o
obj-$(CONFIG_CRYPTO_HASH2) += crypto_hash.o
......@@ -33,6 +32,7 @@ cryptomgr-objs := algboss.o testmgr.o
obj-$(CONFIG_CRYPTO_MANAGER2) += cryptomgr.o
obj-$(CONFIG_CRYPTO_HMAC) += hmac.o
obj-$(CONFIG_CRYPTO_VMAC) += vmac.o
obj-$(CONFIG_CRYPTO_XCBC) += xcbc.o
obj-$(CONFIG_CRYPTO_NULL) += crypto_null.o
obj-$(CONFIG_CRYPTO_MD4) += md4.o
......@@ -83,6 +83,7 @@ obj-$(CONFIG_CRYPTO_RNG2) += rng.o
obj-$(CONFIG_CRYPTO_RNG2) += krng.o
obj-$(CONFIG_CRYPTO_ANSI_CPRNG) += ansi_cprng.o
obj-$(CONFIG_CRYPTO_TEST) += tcrypt.o
obj-$(CONFIG_CRYPTO_GHASH) += ghash-generic.o
#
# generic algorithms and the async_tx api
......
......@@ -14,6 +14,7 @@
*/
#include <crypto/internal/skcipher.h>
#include <linux/cpumask.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/kernel.h>
......@@ -25,6 +26,8 @@
#include "internal.h"
static const char *skcipher_default_geniv __read_mostly;
static int setkey_unaligned(struct crypto_ablkcipher *tfm, const u8 *key,
unsigned int keylen)
{
......@@ -180,7 +183,14 @@ EXPORT_SYMBOL_GPL(crypto_givcipher_type);
const char *crypto_default_geniv(const struct crypto_alg *alg)
{
return alg->cra_flags & CRYPTO_ALG_ASYNC ? "eseqiv" : "chainiv";
if (((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) ==
CRYPTO_ALG_TYPE_BLKCIPHER ? alg->cra_blkcipher.ivsize :
alg->cra_ablkcipher.ivsize) !=
alg->cra_blocksize)
return "chainiv";
return alg->cra_flags & CRYPTO_ALG_ASYNC ?
"eseqiv" : skcipher_default_geniv;
}
static int crypto_givcipher_default(struct crypto_alg *alg, u32 type, u32 mask)
......@@ -201,8 +211,9 @@ static int crypto_givcipher_default(struct crypto_alg *alg, u32 type, u32 mask)
int err;
larval = crypto_larval_lookup(alg->cra_driver_name,
(type & ~CRYPTO_ALG_TYPE_MASK) |
CRYPTO_ALG_TYPE_GIVCIPHER,
CRYPTO_ALG_TYPE_MASK);
mask | CRYPTO_ALG_TYPE_MASK);
err = PTR_ERR(larval);
if (IS_ERR(larval))
goto out;
......@@ -360,3 +371,17 @@ struct crypto_ablkcipher *crypto_alloc_ablkcipher(const char *alg_name,
return ERR_PTR(err);
}
EXPORT_SYMBOL_GPL(crypto_alloc_ablkcipher);
static int __init skcipher_module_init(void)
{
skcipher_default_geniv = num_possible_cpus() > 1 ?
"eseqiv" : "chainiv";
return 0;
}
static void skcipher_module_exit(void)
{
}
module_init(skcipher_module_init);
module_exit(skcipher_module_exit);
......@@ -1174,7 +1174,7 @@ EXPORT_SYMBOL_GPL(crypto_il_tab);
ctx->key_enc[6 * i + 11] = t; \
} while (0)
#define loop8(i) do { \
#define loop8tophalf(i) do { \
t = ror32(t, 8); \
t = ls_box(t) ^ rco_tab[i]; \
t ^= ctx->key_enc[8 * i]; \
......@@ -1185,6 +1185,10 @@ EXPORT_SYMBOL_GPL(crypto_il_tab);
ctx->key_enc[8 * i + 10] = t; \
t ^= ctx->key_enc[8 * i + 3]; \
ctx->key_enc[8 * i + 11] = t; \
} while (0)
#define loop8(i) do { \
loop8tophalf(i); \
t = ctx->key_enc[8 * i + 4] ^ ls_box(t); \
ctx->key_enc[8 * i + 12] = t; \
t ^= ctx->key_enc[8 * i + 5]; \
......@@ -1245,8 +1249,9 @@ int crypto_aes_expand_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
ctx->key_enc[5] = le32_to_cpu(key[5]);
ctx->key_enc[6] = le32_to_cpu(key[6]);
t = ctx->key_enc[7] = le32_to_cpu(key[7]);
for (i = 0; i < 7; ++i)
for (i = 0; i < 6; ++i)
loop8(i);
loop8tophalf(i);
break;
}
......
......@@ -24,6 +24,19 @@
#include "internal.h"
struct ahash_request_priv {
crypto_completion_t complete;
void *data;
u8 *result;
void *ubuf[] CRYPTO_MINALIGN_ATTR;
};
static inline struct ahash_alg *crypto_ahash_alg(struct crypto_ahash *hash)
{
return container_of(crypto_hash_alg_common(hash), struct ahash_alg,
halg);
}
static int hash_walk_next(struct crypto_hash_walk *walk)
{
unsigned int alignmask = walk->alignmask;
......@@ -132,36 +145,34 @@ int crypto_hash_walk_first_compat(struct hash_desc *hdesc,
static int ahash_setkey_unaligned(struct crypto_ahash *tfm, const u8 *key,
unsigned int keylen)
{
struct ahash_alg *ahash = crypto_ahash_alg(tfm);
unsigned long alignmask = crypto_ahash_alignmask(tfm);
int ret;
u8 *buffer, *alignbuffer;
unsigned long absize;
absize = keylen + alignmask;
buffer = kmalloc(absize, GFP_ATOMIC);
buffer = kmalloc(absize, GFP_KERNEL);
if (!buffer)
return -ENOMEM;
alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
memcpy(alignbuffer, key, keylen);
ret = ahash->setkey(tfm, alignbuffer, keylen);
memset(alignbuffer, 0, keylen);
kfree(buffer);
ret = tfm->setkey(tfm, alignbuffer, keylen);
kzfree(buffer);
return ret;
}
static int ahash_setkey(struct crypto_ahash *tfm, const u8 *key,
int crypto_ahash_setkey(struct crypto_ahash *tfm, const u8 *key,
unsigned int keylen)
{
struct ahash_alg *ahash = crypto_ahash_alg(tfm);
unsigned long alignmask = crypto_ahash_alignmask(tfm);
if ((unsigned long)key & alignmask)
return ahash_setkey_unaligned(tfm, key, keylen);
return ahash->setkey(tfm, key, keylen);
return tfm->setkey(tfm, key, keylen);
}
EXPORT_SYMBOL_GPL(crypto_ahash_setkey);
static int ahash_nosetkey(struct crypto_ahash *tfm, const u8 *key,
unsigned int keylen)
......@@ -169,44 +180,221 @@ static int ahash_nosetkey(struct crypto_ahash *tfm, const u8 *key,
return -ENOSYS;
}
int crypto_ahash_import(struct ahash_request *req, const u8 *in)
static inline unsigned int ahash_align_buffer_size(unsigned len,
unsigned long mask)
{
return len + (mask & ~(crypto_tfm_ctx_alignment() - 1));
}
static void ahash_op_unaligned_finish(struct ahash_request *req, int err)
{
struct ahash_request_priv *priv = req->priv;
if (err == -EINPROGRESS)
return;
if (!err)
memcpy(priv->result, req->result,
crypto_ahash_digestsize(crypto_ahash_reqtfm(req)));
kzfree(priv);
}
static void ahash_op_unaligned_done(struct crypto_async_request *req, int err)
{
struct ahash_request *areq = req->data;
struct ahash_request_priv *priv = areq->priv;
crypto_completion_t complete = priv->complete;
void *data = priv->data;
ahash_op_unaligned_finish(areq, err);
complete(data, err);
}
static int ahash_op_unaligned(struct ahash_request *req,
int (*op)(struct ahash_request *))
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
struct ahash_alg *alg = crypto_ahash_alg(tfm);
unsigned long alignmask = crypto_ahash_alignmask(tfm);
unsigned int ds = crypto_ahash_digestsize(tfm);
struct ahash_request_priv *priv;
int err;
priv = kmalloc(sizeof(*priv) + ahash_align_buffer_size(ds, alignmask),
(req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
GFP_KERNEL : GFP_ATOMIC);
if (!priv)
return -ENOMEM;
memcpy(ahash_request_ctx(req), in, crypto_ahash_reqsize(tfm));
priv->result = req->result;
priv->complete = req->base.complete;
priv->data = req->base.data;
if (alg->reinit)
alg->reinit(req);
req->result = PTR_ALIGN((u8 *)priv->ubuf, alignmask + 1);
req->base.complete = ahash_op_unaligned_done;
req->base.data = req;
req->priv = priv;
return 0;
err = op(req);
ahash_op_unaligned_finish(req, err);
return err;
}
EXPORT_SYMBOL_GPL(crypto_ahash_import);
static unsigned int crypto_ahash_ctxsize(struct crypto_alg *alg, u32 type,
u32 mask)
static int crypto_ahash_op(struct ahash_request *req,
int (*op)(struct ahash_request *))
{
return alg->cra_ctxsize;
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
unsigned long alignmask = crypto_ahash_alignmask(tfm);
if ((unsigned long)req->result & alignmask)
return ahash_op_unaligned(req, op);
return op(req);
}
static int crypto_init_ahash_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
int crypto_ahash_final(struct ahash_request *req)
{
struct ahash_alg *alg = &tfm->__crt_alg->cra_ahash;
struct ahash_tfm *crt = &tfm->crt_ahash;
return crypto_ahash_op(req, crypto_ahash_reqtfm(req)->final);
}
EXPORT_SYMBOL_GPL(crypto_ahash_final);
if (alg->digestsize > PAGE_SIZE / 8)
return -EINVAL;
int crypto_ahash_finup(struct ahash_request *req)
{
return crypto_ahash_op(req, crypto_ahash_reqtfm(req)->finup);
}
EXPORT_SYMBOL_GPL(crypto_ahash_finup);
int crypto_ahash_digest(struct ahash_request *req)
{
return crypto_ahash_op(req, crypto_ahash_reqtfm(req)->digest);
}
EXPORT_SYMBOL_GPL(crypto_ahash_digest);
static void ahash_def_finup_finish2(struct ahash_request *req, int err)
{
struct ahash_request_priv *priv = req->priv;
if (err == -EINPROGRESS)
return;
if (!err)
memcpy(priv->result, req->result,
crypto_ahash_digestsize(crypto_ahash_reqtfm(req)));
crt->init = alg->init;
crt->update = alg->update;
crt->final = alg->final;
crt->digest = alg->digest;
crt->setkey = alg->setkey ? ahash_setkey : ahash_nosetkey;
crt->digestsize = alg->digestsize;
kzfree(priv);
}
static void ahash_def_finup_done2(struct crypto_async_request *req, int err)
{
struct ahash_request *areq = req->data;
struct ahash_request_priv *priv = areq->priv;
crypto_completion_t complete = priv->complete;
void *data = priv->data;
ahash_def_finup_finish2(areq, err);
complete(data, err);
}
static int ahash_def_finup_finish1(struct ahash_request *req, int err)
{
if (err)
goto out;
req->base.complete = ahash_def_finup_done2;
req->base.flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
err = crypto_ahash_reqtfm(req)->final(req);
out:
ahash_def_finup_finish2(req, err);
return err;
}
static void ahash_def_finup_done1(struct crypto_async_request *req, int err)
{
struct ahash_request *areq = req->data;
struct ahash_request_priv *priv = areq->priv;
crypto_completion_t complete = priv->complete;
void *data = priv->data;
err = ahash_def_finup_finish1(areq, err);
complete(data, err);
}
static int ahash_def_finup(struct ahash_request *req)
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
unsigned long alignmask = crypto_ahash_alignmask(tfm);
unsigned int ds = crypto_ahash_digestsize(tfm);
struct ahash_request_priv *priv;
priv = kmalloc(sizeof(*priv) + ahash_align_buffer_size(ds, alignmask),
(req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
GFP_KERNEL : GFP_ATOMIC);
if (!priv)
return -ENOMEM;
priv->result = req->result;
priv->complete = req->base.complete;
priv->data = req->base.data;
req->result = PTR_ALIGN((u8 *)priv->ubuf, alignmask + 1);
req->base.complete = ahash_def_finup_done1;
req->base.data = req;
req->priv = priv;
return ahash_def_finup_finish1(req, tfm->update(req));
}
static int ahash_no_export(struct ahash_request *req, void *out)
{
return -ENOSYS;
}
static int ahash_no_import(struct ahash_request *req, const void *in)
{
return -ENOSYS;
}
static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)
{
struct crypto_ahash *hash = __crypto_ahash_cast(tfm);
struct ahash_alg *alg = crypto_ahash_alg(hash);
hash->setkey = ahash_nosetkey;
hash->export = ahash_no_export;
hash->import = ahash_no_import;
if (tfm->__crt_alg->cra_type != &crypto_ahash_type)
return crypto_init_shash_ops_async(tfm);
hash->init = alg->init;
hash->update = alg->update;
hash->final = alg->final;
hash->finup = alg->finup ?: ahash_def_finup;
hash->digest = alg->digest;
if (alg->setkey)
hash->setkey = alg->setkey;
if (alg->export)
hash->export = alg->export;
if (alg->import)
hash->import = alg->import;
return 0;
}
static unsigned int crypto_ahash_extsize(struct crypto_alg *alg)
{
if (alg->cra_type == &crypto_ahash_type)
return alg->cra_ctxsize;
return sizeof(struct crypto_shash *);
}
static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
__attribute__ ((unused));
static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
......@@ -215,17 +403,101 @@ static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
seq_printf(m, "async : %s\n", alg->cra_flags & CRYPTO_ALG_ASYNC ?
"yes" : "no");
seq_printf(m, "blocksize : %u\n", alg->cra_blocksize);
seq_printf(m, "digestsize : %u\n", alg->cra_ahash.digestsize);
seq_printf(m, "digestsize : %u\n",
__crypto_hash_alg_common(alg)->digestsize);
}
const struct crypto_type crypto_ahash_type = {
.ctxsize = crypto_ahash_ctxsize,
.init = crypto_init_ahash_ops,
.extsize = crypto_ahash_extsize,
.init_tfm = crypto_ahash_init_tfm,
#ifdef CONFIG_PROC_FS
.show = crypto_ahash_show,
#endif
.maskclear = ~CRYPTO_ALG_TYPE_MASK,
.maskset = CRYPTO_ALG_TYPE_AHASH_MASK,
.type = CRYPTO_ALG_TYPE_AHASH,
.tfmsize = offsetof(struct crypto_ahash, base),
};
EXPORT_SYMBOL_GPL(crypto_ahash_type);
struct crypto_ahash *crypto_alloc_ahash(const char *alg_name, u32 type,
u32 mask)
{
return crypto_alloc_tfm(alg_name, &crypto_ahash_type, type, mask);
}
EXPORT_SYMBOL_GPL(crypto_alloc_ahash);
static int ahash_prepare_alg(struct ahash_alg *alg)
{
struct crypto_alg *base = &alg->halg.base;
if (alg->halg.digestsize > PAGE_SIZE / 8 ||
alg->halg.statesize > PAGE_SIZE / 8)
return -EINVAL;
base->cra_type = &crypto_ahash_type;
base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK;
base->cra_flags |= CRYPTO_ALG_TYPE_AHASH;
return 0;
}
int crypto_register_ahash(struct ahash_alg *alg)
{
struct crypto_alg *base = &alg->halg.base;
int err;
err = ahash_prepare_alg(alg);
if (err)
return err;
return crypto_register_alg(base);
}
EXPORT_SYMBOL_GPL(crypto_register_ahash);
int crypto_unregister_ahash(struct ahash_alg *alg)
{
return crypto_unregister_alg(&alg->halg.base);
}
EXPORT_SYMBOL_GPL(crypto_unregister_ahash);
int ahash_register_instance(struct crypto_template *tmpl,
struct ahash_instance *inst)
{
int err;
err = ahash_prepare_alg(&inst->alg);
if (err)
return err;
return crypto_register_instance(tmpl, ahash_crypto_instance(inst));
}
EXPORT_SYMBOL_GPL(ahash_register_instance);
void ahash_free_instance(struct crypto_instance *inst)
{
crypto_drop_spawn(crypto_instance_ctx(inst));
kfree(ahash_instance(inst));
}
EXPORT_SYMBOL_GPL(ahash_free_instance);
int crypto_init_ahash_spawn(struct crypto_ahash_spawn *spawn,
struct hash_alg_common *alg,
struct crypto_instance *inst)
{
return crypto_init_spawn2(&spawn->base, &alg->base, inst,
&crypto_ahash_type);
}
EXPORT_SYMBOL_GPL(crypto_init_ahash_spawn);
struct hash_alg_common *ahash_attr_alg(struct rtattr *rta, u32 type, u32 mask)
{
struct crypto_alg *alg;
alg = crypto_attr_alg2(rta, &crypto_ahash_type, type, mask);
return IS_ERR(alg) ? ERR_CAST(alg) : __crypto_hash_alg_common(alg);
}
EXPORT_SYMBOL_GPL(ahash_attr_alg);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Asynchronous cryptographic hash type");
......@@ -81,16 +81,35 @@ static void crypto_destroy_instance(struct crypto_alg *alg)
crypto_tmpl_put(tmpl);
}
static struct list_head *crypto_more_spawns(struct crypto_alg *alg,
struct list_head *stack,
struct list_head *top,
struct list_head *secondary_spawns)
{
struct crypto_spawn *spawn, *n;
if (list_empty(stack))
return NULL;
spawn = list_first_entry(stack, struct crypto_spawn, list);
n = list_entry(spawn->list.next, struct crypto_spawn, list);
if (spawn->alg && &n->list != stack && !n->alg)
n->alg = (n->list.next == stack) ? alg :
&list_entry(n->list.next, struct crypto_spawn,
list)->inst->alg;
list_move(&spawn->list, secondary_spawns);
return &n->list == stack ? top : &n->inst->alg.cra_users;
}
static void crypto_remove_spawn(struct crypto_spawn *spawn,
struct list_head *list,
struct list_head *secondary_spawns)
struct list_head *list)
{
struct crypto_instance *inst = spawn->inst;
struct crypto_template *tmpl = inst->tmpl;
list_del_init(&spawn->list);
spawn->alg = NULL;
if (crypto_is_dead(&inst->alg))
return;
......@@ -106,25 +125,55 @@ static void crypto_remove_spawn(struct crypto_spawn *spawn,
hlist_del(&inst->list);
inst->alg.cra_destroy = crypto_destroy_instance;
list_splice(&inst->alg.cra_users, secondary_spawns);
BUG_ON(!list_empty(&inst->alg.cra_users));
}
static void crypto_remove_spawns(struct list_head *spawns,
struct list_head *list, u32 new_type)
static void crypto_remove_spawns(struct crypto_alg *alg,
struct list_head *list,
struct crypto_alg *nalg)
{
u32 new_type = (nalg ?: alg)->cra_flags;
struct crypto_spawn *spawn, *n;
LIST_HEAD(secondary_spawns);
struct list_head *spawns;
LIST_HEAD(stack);
LIST_HEAD(top);
spawns = &alg->cra_users;
list_for_each_entry_safe(spawn, n, spawns, list) {
if ((spawn->alg->cra_flags ^ new_type) & spawn->mask)
continue;
crypto_remove_spawn(spawn, list, &secondary_spawns);
list_move(&spawn->list, &top);
}
while (!list_empty(&secondary_spawns)) {
list_for_each_entry_safe(spawn, n, &secondary_spawns, list)
crypto_remove_spawn(spawn, list, &secondary_spawns);
spawns = &top;
do {
while (!list_empty(spawns)) {
struct crypto_instance *inst;
spawn = list_first_entry(spawns, struct crypto_spawn,
list);
inst = spawn->inst;
BUG_ON(&inst->alg == alg);
list_move(&spawn->list, &stack);
if (&inst->alg == nalg)
break;
spawn->alg = NULL;
spawns = &inst->alg.cra_users;
}
} while ((spawns = crypto_more_spawns(alg, &stack, &top,
&secondary_spawns)));
list_for_each_entry_safe(spawn, n, &secondary_spawns, list) {
if (spawn->alg)
list_move(&spawn->list, &spawn->alg->cra_users);
else
crypto_remove_spawn(spawn, list);
}
}
......@@ -258,7 +307,7 @@ void crypto_alg_tested(const char *name, int err)
q->cra_priority > alg->cra_priority)
continue;
crypto_remove_spawns(&q->cra_users, &list, alg->cra_flags);
crypto_remove_spawns(q, &list, alg);
}
complete:
......@@ -330,7 +379,7 @@ static int crypto_remove_alg(struct crypto_alg *alg, struct list_head *list)
crypto_notify(CRYPTO_MSG_ALG_UNREGISTER, alg);
list_del_init(&alg->cra_list);
crypto_remove_spawns(&alg->cra_users, list, alg->cra_flags);
crypto_remove_spawns(alg, list, NULL);
return 0;
}
......@@ -488,20 +537,38 @@ int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg,
}
EXPORT_SYMBOL_GPL(crypto_init_spawn);
int crypto_init_spawn2(struct crypto_spawn *spawn, struct crypto_alg *alg,
struct crypto_instance *inst,
const struct crypto_type *frontend)
{
int err = -EINVAL;
if (frontend && (alg->cra_flags ^ frontend->type) & frontend->maskset)
goto out;
spawn->frontend = frontend;
err = crypto_init_spawn(spawn, alg, inst, frontend->maskset);
out:
return err;
}
EXPORT_SYMBOL_GPL(crypto_init_spawn2);
void crypto_drop_spawn(struct crypto_spawn *spawn)
{
if (!spawn->alg)
return;
down_write(&crypto_alg_sem);
list_del(&spawn->list);
up_write(&crypto_alg_sem);
}
EXPORT_SYMBOL_GPL(crypto_drop_spawn);
struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
u32 mask)
static struct crypto_alg *crypto_spawn_alg(struct crypto_spawn *spawn)
{
struct crypto_alg *alg;
struct crypto_alg *alg2;
struct crypto_tfm *tfm;
down_read(&crypto_alg_sem);
alg = spawn->alg;
......@@ -516,6 +583,19 @@ struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
return ERR_PTR(-EAGAIN);
}
return alg;
}
struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
u32 mask)
{
struct crypto_alg *alg;
struct crypto_tfm *tfm;
alg = crypto_spawn_alg(spawn);
if (IS_ERR(alg))
return ERR_CAST(alg);
tfm = ERR_PTR(-EINVAL);
if (unlikely((alg->cra_flags ^ type) & mask))
goto out_put_alg;
......@@ -532,6 +612,27 @@ struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
}
EXPORT_SYMBOL_GPL(crypto_spawn_tfm);
void *crypto_spawn_tfm2(struct crypto_spawn *spawn)
{
struct crypto_alg *alg;
struct crypto_tfm *tfm;
alg = crypto_spawn_alg(spawn);
if (IS_ERR(alg))
return ERR_CAST(alg);
tfm = crypto_create_tfm(alg, spawn->frontend);
if (IS_ERR(tfm))
goto out_put_alg;
return tfm;
out_put_alg:
crypto_mod_put(alg);
return tfm;
}
EXPORT_SYMBOL_GPL(crypto_spawn_tfm2);
int crypto_register_notifier(struct notifier_block *nb)
{
return blocking_notifier_chain_register(&crypto_chain, nb);
......@@ -595,7 +696,9 @@ const char *crypto_attr_alg_name(struct rtattr *rta)
}
EXPORT_SYMBOL_GPL(crypto_attr_alg_name);
struct crypto_alg *crypto_attr_alg(struct rtattr *rta, u32 type, u32 mask)
struct crypto_alg *crypto_attr_alg2(struct rtattr *rta,
const struct crypto_type *frontend,
u32 type, u32 mask)
{
const char *name;
int err;
......@@ -605,9 +708,9 @@ struct crypto_alg *crypto_attr_alg(struct rtattr *rta, u32 type, u32 mask)
if (IS_ERR(name))
return ERR_PTR(err);
return crypto_alg_mod_lookup(name, type, mask);
return crypto_find_alg(name, frontend, type, mask);
}
EXPORT_SYMBOL_GPL(crypto_attr_alg);
EXPORT_SYMBOL_GPL(crypto_attr_alg2);
int crypto_attr_u32(struct rtattr *rta, u32 *num)
{
......@@ -627,17 +730,20 @@ int crypto_attr_u32(struct rtattr *rta, u32 *num)
}
EXPORT_SYMBOL_GPL(crypto_attr_u32);
struct crypto_instance *crypto_alloc_instance(const char *name,
struct crypto_alg *alg)
void *crypto_alloc_instance2(const char *name, struct crypto_alg *alg,
unsigned int head)
{
struct crypto_instance *inst;
struct crypto_spawn *spawn;
char *p;
int err;
inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL);
if (!inst)
p = kzalloc(head + sizeof(*inst) + sizeof(struct crypto_spawn),
GFP_KERNEL);
if (!p)
return ERR_PTR(-ENOMEM);
inst = (void *)(p + head);
err = -ENAMETOOLONG;
if (snprintf(inst->alg.cra_name, CRYPTO_MAX_ALG_NAME, "%s(%s)", name,
alg->cra_name) >= CRYPTO_MAX_ALG_NAME)
......@@ -647,6 +753,25 @@ struct crypto_instance *crypto_alloc_instance(const char *name,
name, alg->cra_driver_name) >= CRYPTO_MAX_ALG_NAME)
goto err_free_inst;
return p;
err_free_inst:
kfree(p);
return ERR_PTR(err);
}
EXPORT_SYMBOL_GPL(crypto_alloc_instance2);
struct crypto_instance *crypto_alloc_instance(const char *name,
struct crypto_alg *alg)
{
struct crypto_instance *inst;
struct crypto_spawn *spawn;
int err;
inst = crypto_alloc_instance2(name, alg, 0);
if (IS_ERR(inst))
goto out;
spawn = crypto_instance_ctx(inst);
err = crypto_init_spawn(spawn, alg, inst,
CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC);
......@@ -658,7 +783,10 @@ struct crypto_instance *crypto_alloc_instance(const char *name,
err_free_inst:
kfree(inst);
return ERR_PTR(err);
inst = ERR_PTR(err);
out:
return inst;
}
EXPORT_SYMBOL_GPL(crypto_alloc_instance);
......
......@@ -68,6 +68,11 @@ static int cryptomgr_probe(void *data)
goto err;
do {
if (tmpl->create) {
err = tmpl->create(tmpl, param->tb);
continue;
}
inst = tmpl->alloc(param->tb);
if (IS_ERR(inst))
err = PTR_ERR(inst);
......
......@@ -187,7 +187,6 @@ static int _get_more_prng_bytes(struct prng_context *ctx)
/* Our exported functions */
static int get_prng_bytes(char *buf, size_t nbytes, struct prng_context *ctx)
{
unsigned long flags;
unsigned char *ptr = buf;
unsigned int byte_count = (unsigned int)nbytes;
int err;
......@@ -196,7 +195,7 @@ static int get_prng_bytes(char *buf, size_t nbytes, struct prng_context *ctx)
if (nbytes < 0)
return -EINVAL;
spin_lock_irqsave(&ctx->prng_lock, flags);
spin_lock_bh(&ctx->prng_lock);
err = -EINVAL;
if (ctx->flags & PRNG_NEED_RESET)
......@@ -268,7 +267,7 @@ static int get_prng_bytes(char *buf, size_t nbytes, struct prng_context *ctx)
goto remainder;
done:
spin_unlock_irqrestore(&ctx->prng_lock, flags);
spin_unlock_bh(&ctx->prng_lock);
dbgprint(KERN_CRIT "returning %d from get_prng_bytes in context %p\n",
err, ctx);
return err;
......@@ -284,10 +283,9 @@ static int reset_prng_context(struct prng_context *ctx,
unsigned char *V, unsigned char *DT)
{
int ret;
int rc = -EINVAL;
unsigned char *prng_key;
spin_lock(&ctx->prng_lock);
spin_lock_bh(&ctx->prng_lock);
ctx->flags |= PRNG_NEED_RESET;
prng_key = (key != NULL) ? key : (unsigned char *)DEFAULT_PRNG_KEY;
......@@ -308,34 +306,20 @@ static int reset_prng_context(struct prng_context *ctx,
memset(ctx->rand_data, 0, DEFAULT_BLK_SZ);
memset(ctx->last_rand_data, 0, DEFAULT_BLK_SZ);
if (ctx->tfm)
crypto_free_cipher(ctx->tfm);
ctx->tfm = crypto_alloc_cipher("aes", 0, 0);
if (IS_ERR(ctx->tfm)) {
dbgprint(KERN_CRIT "Failed to alloc tfm for context %p\n",
ctx);
ctx->tfm = NULL;
goto out;
}
ctx->rand_data_valid = DEFAULT_BLK_SZ;
ret = crypto_cipher_setkey(ctx->tfm, prng_key, klen);
if (ret) {
dbgprint(KERN_CRIT "PRNG: setkey() failed flags=%x\n",
crypto_cipher_get_flags(ctx->tfm));
crypto_free_cipher(ctx->tfm);
goto out;
}
rc = 0;
ret = 0;
ctx->flags &= ~PRNG_NEED_RESET;
out:
spin_unlock(&ctx->prng_lock);
return rc;
spin_unlock_bh(&ctx->prng_lock);
return ret;
}
static int cprng_init(struct crypto_tfm *tfm)
......@@ -343,6 +327,12 @@ static int cprng_init(struct crypto_tfm *tfm)
struct prng_context *ctx = crypto_tfm_ctx(tfm);
spin_lock_init(&ctx->prng_lock);
ctx->tfm = crypto_alloc_cipher("aes", 0, 0);
if (IS_ERR(ctx->tfm)) {
dbgprint(KERN_CRIT "Failed to alloc tfm for context %p\n",
ctx);
return PTR_ERR(ctx->tfm);
}
if (reset_prng_context(ctx, NULL, DEFAULT_PRNG_KSZ, NULL, NULL) < 0)
return -EINVAL;
......@@ -418,17 +408,10 @@ static struct crypto_alg rng_alg = {
/* Module initalization */
static int __init prng_mod_init(void)
{
int ret = 0;
if (fips_enabled)
rng_alg.cra_priority += 200;
ret = crypto_register_alg(&rng_alg);
if (ret)
goto out;
out:
return 0;
return crypto_register_alg(&rng_alg);
}
static void __exit prng_mod_fini(void)
......
......@@ -285,13 +285,6 @@ static int crypto_init_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
switch (crypto_tfm_alg_type(tfm)) {
case CRYPTO_ALG_TYPE_CIPHER:
return crypto_init_cipher_ops(tfm);
case CRYPTO_ALG_TYPE_DIGEST:
if ((mask & CRYPTO_ALG_TYPE_HASH_MASK) !=
CRYPTO_ALG_TYPE_HASH_MASK)
return crypto_init_digest_ops_async(tfm);
else
return crypto_init_digest_ops(tfm);
case CRYPTO_ALG_TYPE_COMPRESS:
return crypto_init_compress_ops(tfm);
......@@ -318,11 +311,7 @@ static void crypto_exit_ops(struct crypto_tfm *tfm)
case CRYPTO_ALG_TYPE_CIPHER:
crypto_exit_cipher_ops(tfm);
break;
case CRYPTO_ALG_TYPE_DIGEST:
crypto_exit_digest_ops(tfm);
break;
case CRYPTO_ALG_TYPE_COMPRESS:
crypto_exit_compress_ops(tfm);
break;
......@@ -349,11 +338,7 @@ static unsigned int crypto_ctxsize(struct crypto_alg *alg, u32 type, u32 mask)
case CRYPTO_ALG_TYPE_CIPHER:
len += crypto_cipher_ctxsize(alg);
break;
case CRYPTO_ALG_TYPE_DIGEST:
len += crypto_digest_ctxsize(alg);
break;
case CRYPTO_ALG_TYPE_COMPRESS:
len += crypto_compress_ctxsize(alg);
break;
......@@ -472,7 +457,7 @@ void *crypto_create_tfm(struct crypto_alg *alg,
int err = -ENOMEM;
tfmsize = frontend->tfmsize;
total = tfmsize + sizeof(*tfm) + frontend->extsize(alg, frontend);
total = tfmsize + sizeof(*tfm) + frontend->extsize(alg);
mem = kzalloc(total, GFP_KERNEL);
if (mem == NULL)
......@@ -481,7 +466,7 @@ void *crypto_create_tfm(struct crypto_alg *alg,
tfm = (struct crypto_tfm *)(mem + tfmsize);
tfm->__crt_alg = alg;
err = frontend->init_tfm(tfm, frontend);
err = frontend->init_tfm(tfm);
if (err)
goto out_free_tfm;
......@@ -503,6 +488,27 @@ void *crypto_create_tfm(struct crypto_alg *alg,
}
EXPORT_SYMBOL_GPL(crypto_create_tfm);
struct crypto_alg *crypto_find_alg(const char *alg_name,
const struct crypto_type *frontend,
u32 type, u32 mask)
{
struct crypto_alg *(*lookup)(const char *name, u32 type, u32 mask) =
crypto_alg_mod_lookup;
if (frontend) {
type &= frontend->maskclear;
mask &= frontend->maskclear;
type |= frontend->type;
mask |= frontend->maskset;
if (frontend->lookup)
lookup = frontend->lookup;
}
return lookup(alg_name, type, mask);
}
EXPORT_SYMBOL_GPL(crypto_find_alg);
/*
* crypto_alloc_tfm - Locate algorithm and allocate transform
* @alg_name: Name of algorithm
......@@ -526,21 +532,13 @@ EXPORT_SYMBOL_GPL(crypto_create_tfm);
void *crypto_alloc_tfm(const char *alg_name,
const struct crypto_type *frontend, u32 type, u32 mask)
{
struct crypto_alg *(*lookup)(const char *name, u32 type, u32 mask);
void *tfm;
int err;
type &= frontend->maskclear;
mask &= frontend->maskclear;
type |= frontend->type;
mask |= frontend->maskset;
lookup = frontend->lookup ?: crypto_alg_mod_lookup;
for (;;) {
struct crypto_alg *alg;
alg = lookup(alg_name, type, mask);
alg = crypto_find_alg(alg_name, frontend, type, mask);
if (IS_ERR(alg)) {
err = PTR_ERR(alg);
goto err;
......
......@@ -23,24 +23,36 @@
#include <linux/slab.h>
#include <linux/spinlock.h>
typedef u8 *(*authenc_ahash_t)(struct aead_request *req, unsigned int flags);
struct authenc_instance_ctx {
struct crypto_spawn auth;
struct crypto_ahash_spawn auth;
struct crypto_skcipher_spawn enc;
};
struct crypto_authenc_ctx {
spinlock_t auth_lock;
struct crypto_hash *auth;
unsigned int reqoff;
struct crypto_ahash *auth;
struct crypto_ablkcipher *enc;
};
struct authenc_request_ctx {
unsigned int cryptlen;
struct scatterlist *sg;
struct scatterlist asg[2];
struct scatterlist cipher[2];
crypto_completion_t complete;
crypto_completion_t update_complete;
char tail[];
};
static int crypto_authenc_setkey(struct crypto_aead *authenc, const u8 *key,
unsigned int keylen)
{
unsigned int authkeylen;
unsigned int enckeylen;
struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
struct crypto_hash *auth = ctx->auth;
struct crypto_ahash *auth = ctx->auth;
struct crypto_ablkcipher *enc = ctx->enc;
struct rtattr *rta = (void *)key;
struct crypto_authenc_key_param *param;
......@@ -64,11 +76,11 @@ static int crypto_authenc_setkey(struct crypto_aead *authenc, const u8 *key,
authkeylen = keylen - enckeylen;
crypto_hash_clear_flags(auth, CRYPTO_TFM_REQ_MASK);
crypto_hash_set_flags(auth, crypto_aead_get_flags(authenc) &
crypto_ahash_clear_flags(auth, CRYPTO_TFM_REQ_MASK);
crypto_ahash_set_flags(auth, crypto_aead_get_flags(authenc) &
CRYPTO_TFM_REQ_MASK);
err = crypto_hash_setkey(auth, key, authkeylen);
crypto_aead_set_flags(authenc, crypto_hash_get_flags(auth) &
err = crypto_ahash_setkey(auth, key, authkeylen);
crypto_aead_set_flags(authenc, crypto_ahash_get_flags(auth) &
CRYPTO_TFM_RES_MASK);
if (err)
......@@ -103,40 +115,198 @@ static void authenc_chain(struct scatterlist *head, struct scatterlist *sg,
sg_mark_end(head);
}
static u8 *crypto_authenc_hash(struct aead_request *req, unsigned int flags,
struct scatterlist *cipher,
unsigned int cryptlen)
static void authenc_geniv_ahash_update_done(struct crypto_async_request *areq,
int err)
{
struct aead_request *req = areq->data;
struct crypto_aead *authenc = crypto_aead_reqtfm(req);
struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
if (err)
goto out;
ahash_request_set_crypt(ahreq, areq_ctx->sg, ahreq->result,
areq_ctx->cryptlen);
ahash_request_set_callback(ahreq, aead_request_flags(req) &
CRYPTO_TFM_REQ_MAY_SLEEP,
areq_ctx->complete, req);
err = crypto_ahash_finup(ahreq);
if (err)
goto out;
scatterwalk_map_and_copy(ahreq->result, areq_ctx->sg,
areq_ctx->cryptlen,
crypto_aead_authsize(authenc), 1);
out:
aead_request_complete(req, err);
}
static void authenc_geniv_ahash_done(struct crypto_async_request *areq, int err)
{
struct aead_request *req = areq->data;
struct crypto_aead *authenc = crypto_aead_reqtfm(req);
struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
if (err)
goto out;
scatterwalk_map_and_copy(ahreq->result, areq_ctx->sg,
areq_ctx->cryptlen,
crypto_aead_authsize(authenc), 1);
out:
aead_request_complete(req, err);
}
static void authenc_verify_ahash_update_done(struct crypto_async_request *areq,
int err)
{
u8 *ihash;
unsigned int authsize;
struct ablkcipher_request *abreq;
struct aead_request *req = areq->data;
struct crypto_aead *authenc = crypto_aead_reqtfm(req);
struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
struct crypto_hash *auth = ctx->auth;
struct hash_desc desc = {
.tfm = auth,
.flags = aead_request_flags(req) & flags,
};
u8 *hash = aead_request_ctx(req);
struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
if (err)
goto out;
ahash_request_set_crypt(ahreq, areq_ctx->sg, ahreq->result,
areq_ctx->cryptlen);
ahash_request_set_callback(ahreq, aead_request_flags(req) &
CRYPTO_TFM_REQ_MAY_SLEEP,
areq_ctx->complete, req);
err = crypto_ahash_finup(ahreq);
if (err)
goto out;
authsize = crypto_aead_authsize(authenc);
ihash = ahreq->result + authsize;
scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen,
authsize, 0);
err = memcmp(ihash, ahreq->result, authsize) ? -EBADMSG: 0;
if (err)
goto out;
abreq = aead_request_ctx(req);
ablkcipher_request_set_tfm(abreq, ctx->enc);
ablkcipher_request_set_callback(abreq, aead_request_flags(req),
req->base.complete, req->base.data);
ablkcipher_request_set_crypt(abreq, req->src, req->dst,
req->cryptlen, req->iv);
err = crypto_ablkcipher_decrypt(abreq);
out:
aead_request_complete(req, err);
}
static void authenc_verify_ahash_done(struct crypto_async_request *areq,
int err)
{
u8 *ihash;
unsigned int authsize;
struct ablkcipher_request *abreq;
struct aead_request *req = areq->data;
struct crypto_aead *authenc = crypto_aead_reqtfm(req);
struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
if (err)
goto out;
authsize = crypto_aead_authsize(authenc);
ihash = ahreq->result + authsize;
scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen,
authsize, 0);
err = memcmp(ihash, ahreq->result, authsize) ? -EBADMSG: 0;
if (err)
goto out;
abreq = aead_request_ctx(req);
ablkcipher_request_set_tfm(abreq, ctx->enc);
ablkcipher_request_set_callback(abreq, aead_request_flags(req),
req->base.complete, req->base.data);
ablkcipher_request_set_crypt(abreq, req->src, req->dst,
req->cryptlen, req->iv);
err = crypto_ablkcipher_decrypt(abreq);
out:
aead_request_complete(req, err);
}
static u8 *crypto_authenc_ahash_fb(struct aead_request *req, unsigned int flags)
{
struct crypto_aead *authenc = crypto_aead_reqtfm(req);
struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
struct crypto_ahash *auth = ctx->auth;
struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
u8 *hash = areq_ctx->tail;
int err;
hash = (u8 *)ALIGN((unsigned long)hash + crypto_hash_alignmask(auth),
crypto_hash_alignmask(auth) + 1);
hash = (u8 *)ALIGN((unsigned long)hash + crypto_ahash_alignmask(auth),
crypto_ahash_alignmask(auth) + 1);
ahash_request_set_tfm(ahreq, auth);
spin_lock_bh(&ctx->auth_lock);
err = crypto_hash_init(&desc);
err = crypto_ahash_init(ahreq);
if (err)
goto auth_unlock;
return ERR_PTR(err);
ahash_request_set_crypt(ahreq, req->assoc, hash, req->assoclen);
ahash_request_set_callback(ahreq, aead_request_flags(req) & flags,
areq_ctx->update_complete, req);
err = crypto_hash_update(&desc, req->assoc, req->assoclen);
err = crypto_ahash_update(ahreq);
if (err)
goto auth_unlock;
return ERR_PTR(err);
ahash_request_set_crypt(ahreq, areq_ctx->sg, hash,
areq_ctx->cryptlen);
ahash_request_set_callback(ahreq, aead_request_flags(req) & flags,
areq_ctx->complete, req);
err = crypto_hash_update(&desc, cipher, cryptlen);
err = crypto_ahash_finup(ahreq);
if (err)
goto auth_unlock;
return ERR_PTR(err);
err = crypto_hash_final(&desc, hash);
auth_unlock:
spin_unlock_bh(&ctx->auth_lock);
return hash;
}
static u8 *crypto_authenc_ahash(struct aead_request *req, unsigned int flags)
{
struct crypto_aead *authenc = crypto_aead_reqtfm(req);
struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
struct crypto_ahash *auth = ctx->auth;
struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
u8 *hash = areq_ctx->tail;
int err;
hash = (u8 *)ALIGN((unsigned long)hash + crypto_ahash_alignmask(auth),
crypto_ahash_alignmask(auth) + 1);
ahash_request_set_tfm(ahreq, auth);
ahash_request_set_crypt(ahreq, areq_ctx->sg, hash,
areq_ctx->cryptlen);
ahash_request_set_callback(ahreq, aead_request_flags(req) & flags,
areq_ctx->complete, req);
err = crypto_ahash_digest(ahreq);
if (err)
return ERR_PTR(err);
......@@ -147,11 +317,15 @@ static int crypto_authenc_genicv(struct aead_request *req, u8 *iv,
unsigned int flags)
{
struct crypto_aead *authenc = crypto_aead_reqtfm(req);
struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
struct scatterlist *dst = req->dst;
struct scatterlist cipher[2];
struct page *dstp;
struct scatterlist *assoc = req->assoc;
struct scatterlist *cipher = areq_ctx->cipher;
struct scatterlist *asg = areq_ctx->asg;
unsigned int ivsize = crypto_aead_ivsize(authenc);
unsigned int cryptlen;
unsigned int cryptlen = req->cryptlen;
authenc_ahash_t authenc_ahash_fn = crypto_authenc_ahash_fb;
struct page *dstp;
u8 *vdst;
u8 *hash;
......@@ -163,10 +337,25 @@ static int crypto_authenc_genicv(struct aead_request *req, u8 *iv,
sg_set_buf(cipher, iv, ivsize);
authenc_chain(cipher, dst, vdst == iv + ivsize);
dst = cipher;
cryptlen += ivsize;
}
cryptlen = req->cryptlen + ivsize;
hash = crypto_authenc_hash(req, flags, dst, cryptlen);
if (sg_is_last(assoc)) {
authenc_ahash_fn = crypto_authenc_ahash;
sg_init_table(asg, 2);
sg_set_page(asg, sg_page(assoc), assoc->length, assoc->offset);
authenc_chain(asg, dst, 0);
dst = asg;
cryptlen += req->assoclen;
}
areq_ctx->cryptlen = cryptlen;
areq_ctx->sg = dst;
areq_ctx->complete = authenc_geniv_ahash_done;
areq_ctx->update_complete = authenc_geniv_ahash_update_done;
hash = authenc_ahash_fn(req, flags);
if (IS_ERR(hash))
return PTR_ERR(hash);
......@@ -256,22 +445,25 @@ static int crypto_authenc_givencrypt(struct aead_givcrypt_request *req)
}
static int crypto_authenc_verify(struct aead_request *req,
struct scatterlist *cipher,
unsigned int cryptlen)
authenc_ahash_t authenc_ahash_fn)
{
struct crypto_aead *authenc = crypto_aead_reqtfm(req);
struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
u8 *ohash;
u8 *ihash;
unsigned int authsize;
ohash = crypto_authenc_hash(req, CRYPTO_TFM_REQ_MAY_SLEEP, cipher,
cryptlen);
areq_ctx->complete = authenc_verify_ahash_done;
areq_ctx->complete = authenc_verify_ahash_update_done;
ohash = authenc_ahash_fn(req, CRYPTO_TFM_REQ_MAY_SLEEP);
if (IS_ERR(ohash))
return PTR_ERR(ohash);
authsize = crypto_aead_authsize(authenc);
ihash = ohash + authsize;
scatterwalk_map_and_copy(ihash, cipher, cryptlen, authsize, 0);
scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen,
authsize, 0);
return memcmp(ihash, ohash, authsize) ? -EBADMSG: 0;
}
......@@ -279,10 +471,14 @@ static int crypto_authenc_iverify(struct aead_request *req, u8 *iv,
unsigned int cryptlen)
{
struct crypto_aead *authenc = crypto_aead_reqtfm(req);
struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
struct scatterlist *src = req->src;
struct scatterlist cipher[2];
struct page *srcp;
struct scatterlist *assoc = req->assoc;
struct scatterlist *cipher = areq_ctx->cipher;
struct scatterlist *asg = areq_ctx->asg;
unsigned int ivsize = crypto_aead_ivsize(authenc);
authenc_ahash_t authenc_ahash_fn = crypto_authenc_ahash_fb;
struct page *srcp;
u8 *vsrc;
srcp = sg_page(src);
......@@ -293,9 +489,22 @@ static int crypto_authenc_iverify(struct aead_request *req, u8 *iv,
sg_set_buf(cipher, iv, ivsize);
authenc_chain(cipher, src, vsrc == iv + ivsize);
src = cipher;
cryptlen += ivsize;
}
if (sg_is_last(assoc)) {
authenc_ahash_fn = crypto_authenc_ahash;
sg_init_table(asg, 2);
sg_set_page(asg, sg_page(assoc), assoc->length, assoc->offset);
authenc_chain(asg, src, 0);
src = asg;
cryptlen += req->assoclen;
}
return crypto_authenc_verify(req, src, cryptlen + ivsize);
areq_ctx->cryptlen = cryptlen;
areq_ctx->sg = src;
return crypto_authenc_verify(req, authenc_ahash_fn);
}
static int crypto_authenc_decrypt(struct aead_request *req)
......@@ -326,38 +535,41 @@ static int crypto_authenc_decrypt(struct aead_request *req)
static int crypto_authenc_init_tfm(struct crypto_tfm *tfm)
{
struct crypto_instance *inst = (void *)tfm->__crt_alg;
struct crypto_instance *inst = crypto_tfm_alg_instance(tfm);
struct authenc_instance_ctx *ictx = crypto_instance_ctx(inst);
struct crypto_authenc_ctx *ctx = crypto_tfm_ctx(tfm);
struct crypto_hash *auth;
struct crypto_ahash *auth;
struct crypto_ablkcipher *enc;
int err;
auth = crypto_spawn_hash(&ictx->auth);
auth = crypto_spawn_ahash(&ictx->auth);
if (IS_ERR(auth))
return PTR_ERR(auth);
ctx->reqoff = ALIGN(2 * crypto_ahash_digestsize(auth) +
crypto_ahash_alignmask(auth),
crypto_ahash_alignmask(auth) + 1);
enc = crypto_spawn_skcipher(&ictx->enc);
err = PTR_ERR(enc);
if (IS_ERR(enc))
goto err_free_hash;
goto err_free_ahash;
ctx->auth = auth;
ctx->enc = enc;
tfm->crt_aead.reqsize = max_t(unsigned int,
(crypto_hash_alignmask(auth) &
~(crypto_tfm_ctx_alignment() - 1)) +
crypto_hash_digestsize(auth) * 2,
sizeof(struct skcipher_givcrypt_request) +
crypto_ablkcipher_reqsize(enc) +
crypto_ablkcipher_ivsize(enc));
spin_lock_init(&ctx->auth_lock);
crypto_ahash_reqsize(auth) + ctx->reqoff +
sizeof(struct authenc_request_ctx) +
sizeof(struct ahash_request),
sizeof(struct skcipher_givcrypt_request) +
crypto_ablkcipher_reqsize(enc) +
crypto_ablkcipher_ivsize(enc));
return 0;
err_free_hash:
crypto_free_hash(auth);
err_free_ahash:
crypto_free_ahash(auth);
return err;
}
......@@ -365,7 +577,7 @@ static void crypto_authenc_exit_tfm(struct crypto_tfm *tfm)
{
struct crypto_authenc_ctx *ctx = crypto_tfm_ctx(tfm);
crypto_free_hash(ctx->auth);
crypto_free_ahash(ctx->auth);
crypto_free_ablkcipher(ctx->enc);
}
......@@ -373,7 +585,8 @@ static struct crypto_instance *crypto_authenc_alloc(struct rtattr **tb)
{
struct crypto_attr_type *algt;
struct crypto_instance *inst;
struct crypto_alg *auth;
struct hash_alg_common *auth;
struct crypto_alg *auth_base;
struct crypto_alg *enc;
struct authenc_instance_ctx *ctx;
const char *enc_name;
......@@ -387,11 +600,13 @@ static struct crypto_instance *crypto_authenc_alloc(struct rtattr **tb)
if ((algt->type ^ CRYPTO_ALG_TYPE_AEAD) & algt->mask)
return ERR_PTR(-EINVAL);
auth = crypto_attr_alg(tb[1], CRYPTO_ALG_TYPE_HASH,
CRYPTO_ALG_TYPE_HASH_MASK);
auth = ahash_attr_alg(tb[1], CRYPTO_ALG_TYPE_HASH,
CRYPTO_ALG_TYPE_AHASH_MASK);
if (IS_ERR(auth))
return ERR_PTR(PTR_ERR(auth));
auth_base = &auth->base;
enc_name = crypto_attr_alg_name(tb[2]);
err = PTR_ERR(enc_name);
if (IS_ERR(enc_name))
......@@ -404,7 +619,7 @@ static struct crypto_instance *crypto_authenc_alloc(struct rtattr **tb)
ctx = crypto_instance_ctx(inst);
err = crypto_init_spawn(&ctx->auth, auth, inst, CRYPTO_ALG_TYPE_MASK);
err = crypto_init_ahash_spawn(&ctx->auth, auth, inst);
if (err)
goto err_free_inst;
......@@ -419,28 +634,25 @@ static struct crypto_instance *crypto_authenc_alloc(struct rtattr **tb)
err = -ENAMETOOLONG;
if (snprintf(inst->alg.cra_name, CRYPTO_MAX_ALG_NAME,
"authenc(%s,%s)", auth->cra_name, enc->cra_name) >=
"authenc(%s,%s)", auth_base->cra_name, enc->cra_name) >=
CRYPTO_MAX_ALG_NAME)
goto err_drop_enc;
if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME,
"authenc(%s,%s)", auth->cra_driver_name,
"authenc(%s,%s)", auth_base->cra_driver_name,
enc->cra_driver_name) >= CRYPTO_MAX_ALG_NAME)
goto err_drop_enc;
inst->alg.cra_flags = CRYPTO_ALG_TYPE_AEAD;
inst->alg.cra_flags |= enc->cra_flags & CRYPTO_ALG_ASYNC;
inst->alg.cra_priority = enc->cra_priority * 10 + auth->cra_priority;
inst->alg.cra_priority = enc->cra_priority *
10 + auth_base->cra_priority;
inst->alg.cra_blocksize = enc->cra_blocksize;
inst->alg.cra_alignmask = auth->cra_alignmask | enc->cra_alignmask;
inst->alg.cra_alignmask = auth_base->cra_alignmask | enc->cra_alignmask;
inst->alg.cra_type = &crypto_aead_type;
inst->alg.cra_aead.ivsize = enc->cra_ablkcipher.ivsize;
inst->alg.cra_aead.maxauthsize = auth->cra_type == &crypto_hash_type ?
auth->cra_hash.digestsize :
auth->cra_type ?
__crypto_shash_alg(auth)->digestsize :
auth->cra_digest.dia_digestsize;
inst->alg.cra_aead.maxauthsize = auth->digestsize;
inst->alg.cra_ctxsize = sizeof(struct crypto_authenc_ctx);
......@@ -453,13 +665,13 @@ static struct crypto_instance *crypto_authenc_alloc(struct rtattr **tb)
inst->alg.cra_aead.givencrypt = crypto_authenc_givencrypt;
out:
crypto_mod_put(auth);
crypto_mod_put(auth_base);
return inst;
err_drop_enc:
crypto_drop_skcipher(&ctx->enc);
err_drop_auth:
crypto_drop_spawn(&ctx->auth);
crypto_drop_ahash(&ctx->auth);
err_free_inst:
kfree(inst);
out_put_auth:
......@@ -472,7 +684,7 @@ static void crypto_authenc_free(struct crypto_instance *inst)
struct authenc_instance_ctx *ctx = crypto_instance_ctx(inst);
crypto_drop_skcipher(&ctx->enc);
crypto_drop_spawn(&ctx->auth);
crypto_drop_ahash(&ctx->auth);
kfree(inst);
}
......
......@@ -39,6 +39,11 @@ struct cryptd_instance_ctx {
struct cryptd_queue *queue;
};
struct hashd_instance_ctx {
struct crypto_shash_spawn spawn;
struct cryptd_queue *queue;
};
struct cryptd_blkcipher_ctx {
struct crypto_blkcipher *child;
};
......@@ -48,11 +53,12 @@ struct cryptd_blkcipher_request_ctx {
};
struct cryptd_hash_ctx {
struct crypto_hash *child;
struct crypto_shash *child;
};
struct cryptd_hash_request_ctx {
crypto_completion_t complete;
struct shash_desc desc;
};
static void cryptd_queue_worker(struct work_struct *work);
......@@ -249,32 +255,24 @@ static void cryptd_blkcipher_exit_tfm(struct crypto_tfm *tfm)
crypto_free_blkcipher(ctx->child);
}
static struct crypto_instance *cryptd_alloc_instance(struct crypto_alg *alg,
struct cryptd_queue *queue)
static void *cryptd_alloc_instance(struct crypto_alg *alg, unsigned int head,
unsigned int tail)
{
char *p;
struct crypto_instance *inst;
struct cryptd_instance_ctx *ctx;
int err;
inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL);
if (!inst) {
inst = ERR_PTR(-ENOMEM);
goto out;
}
p = kzalloc(head + sizeof(*inst) + tail, GFP_KERNEL);
if (!p)
return ERR_PTR(-ENOMEM);
inst = (void *)(p + head);
err = -ENAMETOOLONG;
if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME,
"cryptd(%s)", alg->cra_driver_name) >= CRYPTO_MAX_ALG_NAME)
goto out_free_inst;
ctx = crypto_instance_ctx(inst);
err = crypto_init_spawn(&ctx->spawn, alg, inst,
CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC);
if (err)
goto out_free_inst;
ctx->queue = queue;
memcpy(inst->alg.cra_name, alg->cra_name, CRYPTO_MAX_ALG_NAME);
inst->alg.cra_priority = alg->cra_priority + 50;
......@@ -282,29 +280,41 @@ static struct crypto_instance *cryptd_alloc_instance(struct crypto_alg *alg,
inst->alg.cra_alignmask = alg->cra_alignmask;
out:
return inst;
return p;
out_free_inst:
kfree(inst);
inst = ERR_PTR(err);
kfree(p);
p = ERR_PTR(err);
goto out;
}
static struct crypto_instance *cryptd_alloc_blkcipher(
struct rtattr **tb, struct cryptd_queue *queue)
static int cryptd_create_blkcipher(struct crypto_template *tmpl,
struct rtattr **tb,
struct cryptd_queue *queue)
{
struct cryptd_instance_ctx *ctx;
struct crypto_instance *inst;
struct crypto_alg *alg;
int err;
alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_BLKCIPHER,
CRYPTO_ALG_TYPE_MASK);
if (IS_ERR(alg))
return ERR_CAST(alg);
return PTR_ERR(alg);
inst = cryptd_alloc_instance(alg, queue);
inst = cryptd_alloc_instance(alg, 0, sizeof(*ctx));
err = PTR_ERR(inst);
if (IS_ERR(inst))
goto out_put_alg;
ctx = crypto_instance_ctx(inst);
ctx->queue = queue;
err = crypto_init_spawn(&ctx->spawn, alg, inst,
CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC);
if (err)
goto out_free_inst;
inst->alg.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC;
inst->alg.cra_type = &crypto_ablkcipher_type;
......@@ -323,26 +333,34 @@ static struct crypto_instance *cryptd_alloc_blkcipher(
inst->alg.cra_ablkcipher.encrypt = cryptd_blkcipher_encrypt_enqueue;
inst->alg.cra_ablkcipher.decrypt = cryptd_blkcipher_decrypt_enqueue;
err = crypto_register_instance(tmpl, inst);
if (err) {
crypto_drop_spawn(&ctx->spawn);
out_free_inst:
kfree(inst);
}
out_put_alg:
crypto_mod_put(alg);
return inst;
return err;
}
static int cryptd_hash_init_tfm(struct crypto_tfm *tfm)
{
struct crypto_instance *inst = crypto_tfm_alg_instance(tfm);
struct cryptd_instance_ctx *ictx = crypto_instance_ctx(inst);
struct crypto_spawn *spawn = &ictx->spawn;
struct hashd_instance_ctx *ictx = crypto_instance_ctx(inst);
struct crypto_shash_spawn *spawn = &ictx->spawn;
struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(tfm);
struct crypto_hash *cipher;
struct crypto_shash *hash;
cipher = crypto_spawn_hash(spawn);
if (IS_ERR(cipher))
return PTR_ERR(cipher);
hash = crypto_spawn_shash(spawn);
if (IS_ERR(hash))
return PTR_ERR(hash);
ctx->child = cipher;
tfm->crt_ahash.reqsize =
sizeof(struct cryptd_hash_request_ctx);
ctx->child = hash;
crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
sizeof(struct cryptd_hash_request_ctx) +
crypto_shash_descsize(hash));
return 0;
}
......@@ -350,22 +368,22 @@ static void cryptd_hash_exit_tfm(struct crypto_tfm *tfm)
{
struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(tfm);
crypto_free_hash(ctx->child);
crypto_free_shash(ctx->child);
}
static int cryptd_hash_setkey(struct crypto_ahash *parent,
const u8 *key, unsigned int keylen)
{
struct cryptd_hash_ctx *ctx = crypto_ahash_ctx(parent);
struct crypto_hash *child = ctx->child;
struct crypto_shash *child = ctx->child;
int err;
crypto_hash_clear_flags(child, CRYPTO_TFM_REQ_MASK);
crypto_hash_set_flags(child, crypto_ahash_get_flags(parent) &
CRYPTO_TFM_REQ_MASK);
err = crypto_hash_setkey(child, key, keylen);
crypto_ahash_set_flags(parent, crypto_hash_get_flags(child) &
CRYPTO_TFM_RES_MASK);
crypto_shash_clear_flags(child, CRYPTO_TFM_REQ_MASK);
crypto_shash_set_flags(child, crypto_ahash_get_flags(parent) &
CRYPTO_TFM_REQ_MASK);
err = crypto_shash_setkey(child, key, keylen);
crypto_ahash_set_flags(parent, crypto_shash_get_flags(child) &
CRYPTO_TFM_RES_MASK);
return err;
}
......@@ -385,21 +403,19 @@ static int cryptd_hash_enqueue(struct ahash_request *req,
static void cryptd_hash_init(struct crypto_async_request *req_async, int err)
{
struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm);
struct crypto_hash *child = ctx->child;
struct ahash_request *req = ahash_request_cast(req_async);
struct cryptd_hash_request_ctx *rctx;
struct hash_desc desc;
rctx = ahash_request_ctx(req);
struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm);
struct crypto_shash *child = ctx->child;
struct ahash_request *req = ahash_request_cast(req_async);
struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
struct shash_desc *desc = &rctx->desc;
if (unlikely(err == -EINPROGRESS))
goto out;
desc.tfm = child;
desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
desc->tfm = child;
desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
err = crypto_hash_crt(child)->init(&desc);
err = crypto_shash_init(desc);
req->base.complete = rctx->complete;
......@@ -416,23 +432,15 @@ static int cryptd_hash_init_enqueue(struct ahash_request *req)
static void cryptd_hash_update(struct crypto_async_request *req_async, int err)
{
struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm);
struct crypto_hash *child = ctx->child;
struct ahash_request *req = ahash_request_cast(req_async);
struct ahash_request *req = ahash_request_cast(req_async);
struct cryptd_hash_request_ctx *rctx;
struct hash_desc desc;
rctx = ahash_request_ctx(req);
if (unlikely(err == -EINPROGRESS))
goto out;
desc.tfm = child;
desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
err = crypto_hash_crt(child)->update(&desc,
req->src,
req->nbytes);
err = shash_ahash_update(req, &rctx->desc);
req->base.complete = rctx->complete;
......@@ -449,21 +457,13 @@ static int cryptd_hash_update_enqueue(struct ahash_request *req)
static void cryptd_hash_final(struct crypto_async_request *req_async, int err)
{
struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm);
struct crypto_hash *child = ctx->child;
struct ahash_request *req = ahash_request_cast(req_async);
struct cryptd_hash_request_ctx *rctx;
struct hash_desc desc;
rctx = ahash_request_ctx(req);
struct ahash_request *req = ahash_request_cast(req_async);
struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
if (unlikely(err == -EINPROGRESS))
goto out;
desc.tfm = child;
desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
err = crypto_hash_crt(child)->final(&desc, req->result);
err = crypto_shash_final(&rctx->desc, req->result);
req->base.complete = rctx->complete;
......@@ -478,26 +478,44 @@ static int cryptd_hash_final_enqueue(struct ahash_request *req)
return cryptd_hash_enqueue(req, cryptd_hash_final);
}
static void cryptd_hash_digest(struct crypto_async_request *req_async, int err)
static void cryptd_hash_finup(struct crypto_async_request *req_async, int err)
{
struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm);
struct crypto_hash *child = ctx->child;
struct ahash_request *req = ahash_request_cast(req_async);
struct cryptd_hash_request_ctx *rctx;
struct hash_desc desc;
struct ahash_request *req = ahash_request_cast(req_async);
struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
rctx = ahash_request_ctx(req);
if (unlikely(err == -EINPROGRESS))
goto out;
err = shash_ahash_finup(req, &rctx->desc);
req->base.complete = rctx->complete;
out:
local_bh_disable();
rctx->complete(&req->base, err);
local_bh_enable();
}
static int cryptd_hash_finup_enqueue(struct ahash_request *req)
{
return cryptd_hash_enqueue(req, cryptd_hash_finup);
}
static void cryptd_hash_digest(struct crypto_async_request *req_async, int err)
{
struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm);
struct crypto_shash *child = ctx->child;
struct ahash_request *req = ahash_request_cast(req_async);
struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
struct shash_desc *desc = &rctx->desc;
if (unlikely(err == -EINPROGRESS))
goto out;
desc.tfm = child;
desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
desc->tfm = child;
desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
err = crypto_hash_crt(child)->digest(&desc,
req->src,
req->nbytes,
req->result);
err = shash_ahash_digest(req, desc);
req->base.complete = rctx->complete;
......@@ -512,64 +530,108 @@ static int cryptd_hash_digest_enqueue(struct ahash_request *req)
return cryptd_hash_enqueue(req, cryptd_hash_digest);
}
static struct crypto_instance *cryptd_alloc_hash(
struct rtattr **tb, struct cryptd_queue *queue)
static int cryptd_hash_export(struct ahash_request *req, void *out)
{
struct crypto_instance *inst;
struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
return crypto_shash_export(&rctx->desc, out);
}
static int cryptd_hash_import(struct ahash_request *req, const void *in)
{
struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
return crypto_shash_import(&rctx->desc, in);
}
static int cryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb,
struct cryptd_queue *queue)
{
struct hashd_instance_ctx *ctx;
struct ahash_instance *inst;
struct shash_alg *salg;
struct crypto_alg *alg;
int err;
alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_HASH,
CRYPTO_ALG_TYPE_HASH_MASK);
if (IS_ERR(alg))
return ERR_PTR(PTR_ERR(alg));
salg = shash_attr_alg(tb[1], 0, 0);
if (IS_ERR(salg))
return PTR_ERR(salg);
inst = cryptd_alloc_instance(alg, queue);
alg = &salg->base;
inst = cryptd_alloc_instance(alg, ahash_instance_headroom(),
sizeof(*ctx));
err = PTR_ERR(inst);
if (IS_ERR(inst))
goto out_put_alg;
inst->alg.cra_flags = CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_ASYNC;
inst->alg.cra_type = &crypto_ahash_type;
ctx = ahash_instance_ctx(inst);
ctx->queue = queue;
inst->alg.cra_ahash.digestsize = alg->cra_hash.digestsize;
inst->alg.cra_ctxsize = sizeof(struct cryptd_hash_ctx);
err = crypto_init_shash_spawn(&ctx->spawn, salg,
ahash_crypto_instance(inst));
if (err)
goto out_free_inst;
inst->alg.cra_init = cryptd_hash_init_tfm;
inst->alg.cra_exit = cryptd_hash_exit_tfm;
inst->alg.halg.base.cra_flags = CRYPTO_ALG_ASYNC;
inst->alg.cra_ahash.init = cryptd_hash_init_enqueue;
inst->alg.cra_ahash.update = cryptd_hash_update_enqueue;
inst->alg.cra_ahash.final = cryptd_hash_final_enqueue;
inst->alg.cra_ahash.setkey = cryptd_hash_setkey;
inst->alg.cra_ahash.digest = cryptd_hash_digest_enqueue;
inst->alg.halg.digestsize = salg->digestsize;
inst->alg.halg.base.cra_ctxsize = sizeof(struct cryptd_hash_ctx);
inst->alg.halg.base.cra_init = cryptd_hash_init_tfm;
inst->alg.halg.base.cra_exit = cryptd_hash_exit_tfm;
inst->alg.init = cryptd_hash_init_enqueue;
inst->alg.update = cryptd_hash_update_enqueue;
inst->alg.final = cryptd_hash_final_enqueue;
inst->alg.finup = cryptd_hash_finup_enqueue;
inst->alg.export = cryptd_hash_export;
inst->alg.import = cryptd_hash_import;
inst->alg.setkey = cryptd_hash_setkey;
inst->alg.digest = cryptd_hash_digest_enqueue;
err = ahash_register_instance(tmpl, inst);
if (err) {
crypto_drop_shash(&ctx->spawn);
out_free_inst:
kfree(inst);
}
out_put_alg:
crypto_mod_put(alg);
return inst;
return err;
}
static struct cryptd_queue queue;
static struct crypto_instance *cryptd_alloc(struct rtattr **tb)
static int cryptd_create(struct crypto_template *tmpl, struct rtattr **tb)
{
struct crypto_attr_type *algt;
algt = crypto_get_attr_type(tb);
if (IS_ERR(algt))
return ERR_CAST(algt);
return PTR_ERR(algt);
switch (algt->type & algt->mask & CRYPTO_ALG_TYPE_MASK) {
case CRYPTO_ALG_TYPE_BLKCIPHER:
return cryptd_alloc_blkcipher(tb, &queue);
return cryptd_create_blkcipher(tmpl, tb, &queue);
case CRYPTO_ALG_TYPE_DIGEST:
return cryptd_alloc_hash(tb, &queue);
return cryptd_create_hash(tmpl, tb, &queue);
}
return ERR_PTR(-EINVAL);
return -EINVAL;
}
static void cryptd_free(struct crypto_instance *inst)
{
struct cryptd_instance_ctx *ctx = crypto_instance_ctx(inst);
struct hashd_instance_ctx *hctx = crypto_instance_ctx(inst);
switch (inst->alg.cra_flags & CRYPTO_ALG_TYPE_MASK) {
case CRYPTO_ALG_TYPE_AHASH:
crypto_drop_shash(&hctx->spawn);
kfree(ahash_instance(inst));
return;
}
crypto_drop_spawn(&ctx->spawn);
kfree(inst);
......@@ -577,7 +639,7 @@ static void cryptd_free(struct crypto_instance *inst)
static struct crypto_template cryptd_tmpl = {
.name = "cryptd",
.alloc = cryptd_alloc,
.create = cryptd_create,
.free = cryptd_free,
.module = THIS_MODULE,
};
......@@ -620,6 +682,41 @@ void cryptd_free_ablkcipher(struct cryptd_ablkcipher *tfm)
}
EXPORT_SYMBOL_GPL(cryptd_free_ablkcipher);
struct cryptd_ahash *cryptd_alloc_ahash(const char *alg_name,
u32 type, u32 mask)
{
char cryptd_alg_name[CRYPTO_MAX_ALG_NAME];
struct crypto_ahash *tfm;
if (snprintf(cryptd_alg_name, CRYPTO_MAX_ALG_NAME,
"cryptd(%s)", alg_name) >= CRYPTO_MAX_ALG_NAME)
return ERR_PTR(-EINVAL);
tfm = crypto_alloc_ahash(cryptd_alg_name, type, mask);
if (IS_ERR(tfm))
return ERR_CAST(tfm);
if (tfm->base.__crt_alg->cra_module != THIS_MODULE) {
crypto_free_ahash(tfm);
return ERR_PTR(-EINVAL);
}
return __cryptd_ahash_cast(tfm);
}
EXPORT_SYMBOL_GPL(cryptd_alloc_ahash);
struct crypto_shash *cryptd_ahash_child(struct cryptd_ahash *tfm)
{
struct cryptd_hash_ctx *ctx = crypto_ahash_ctx(&tfm->base);
return ctx->child;
}
EXPORT_SYMBOL_GPL(cryptd_ahash_child);
void cryptd_free_ahash(struct cryptd_ahash *tfm)
{
crypto_free_ahash(&tfm->base);
}
EXPORT_SYMBOL_GPL(cryptd_free_ahash);
static int __init cryptd_init(void)
{
int err;
......
......@@ -219,6 +219,8 @@ static struct crypto_instance *crypto_ctr_alloc(struct rtattr **tb)
inst->alg.cra_blkcipher.encrypt = crypto_ctr_crypt;
inst->alg.cra_blkcipher.decrypt = crypto_ctr_crypt;
inst->alg.cra_blkcipher.geniv = "chainiv";
out:
crypto_mod_put(alg);
return inst;
......
此差异已折叠。
/*
* GHASH: digest algorithm for GCM (Galois/Counter Mode).
*
* Copyright (c) 2007 Nokia Siemens Networks - Mikko Herranen <mh1@iki.fi>
* Copyright (c) 2009 Intel Corp.
* Author: Huang Ying <ying.huang@intel.com>
*
* The algorithm implementation is copied from gcm.c.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#include <crypto/algapi.h>
#include <crypto/gf128mul.h>
#include <crypto/internal/hash.h>
#include <linux/crypto.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#define GHASH_BLOCK_SIZE 16
#define GHASH_DIGEST_SIZE 16
struct ghash_ctx {
struct gf128mul_4k *gf128;
};
struct ghash_desc_ctx {
u8 buffer[GHASH_BLOCK_SIZE];
u32 bytes;
};
static int ghash_init(struct shash_desc *desc)
{
struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
memset(dctx, 0, sizeof(*dctx));
return 0;
}
static int ghash_setkey(struct crypto_shash *tfm,
const u8 *key, unsigned int keylen)
{
struct ghash_ctx *ctx = crypto_shash_ctx(tfm);
if (keylen != GHASH_BLOCK_SIZE) {
crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
return -EINVAL;
}
if (ctx->gf128)
gf128mul_free_4k(ctx->gf128);
ctx->gf128 = gf128mul_init_4k_lle((be128 *)key);
if (!ctx->gf128)
return -ENOMEM;
return 0;
}
static int ghash_update(struct shash_desc *desc,
const u8 *src, unsigned int srclen)
{
struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm);
u8 *dst = dctx->buffer;
if (dctx->bytes) {
int n = min(srclen, dctx->bytes);
u8 *pos = dst + (GHASH_BLOCK_SIZE - dctx->bytes);
dctx->bytes -= n;
srclen -= n;
while (n--)
*pos++ ^= *src++;
if (!dctx->bytes)
gf128mul_4k_lle((be128 *)dst, ctx->gf128);
}
while (srclen >= GHASH_BLOCK_SIZE) {
crypto_xor(dst, src, GHASH_BLOCK_SIZE);
gf128mul_4k_lle((be128 *)dst, ctx->gf128);
src += GHASH_BLOCK_SIZE;
srclen -= GHASH_BLOCK_SIZE;
}
if (srclen) {
dctx->bytes = GHASH_BLOCK_SIZE - srclen;
while (srclen--)
*dst++ ^= *src++;
}
return 0;
}
static void ghash_flush(struct ghash_ctx *ctx, struct ghash_desc_ctx *dctx)
{
u8 *dst = dctx->buffer;
if (dctx->bytes) {
u8 *tmp = dst + (GHASH_BLOCK_SIZE - dctx->bytes);
while (dctx->bytes--)
*tmp++ ^= 0;
gf128mul_4k_lle((be128 *)dst, ctx->gf128);
}
dctx->bytes = 0;
}
static int ghash_final(struct shash_desc *desc, u8 *dst)
{
struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm);
u8 *buf = dctx->buffer;
ghash_flush(ctx, dctx);
memcpy(dst, buf, GHASH_BLOCK_SIZE);
return 0;
}
static void ghash_exit_tfm(struct crypto_tfm *tfm)
{
struct ghash_ctx *ctx = crypto_tfm_ctx(tfm);
if (ctx->gf128)
gf128mul_free_4k(ctx->gf128);
}
static struct shash_alg ghash_alg = {
.digestsize = GHASH_DIGEST_SIZE,
.init = ghash_init,
.update = ghash_update,
.final = ghash_final,
.setkey = ghash_setkey,
.descsize = sizeof(struct ghash_desc_ctx),
.base = {
.cra_name = "ghash",
.cra_driver_name = "ghash-generic",
.cra_priority = 100,
.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = GHASH_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct ghash_ctx),
.cra_module = THIS_MODULE,
.cra_list = LIST_HEAD_INIT(ghash_alg.base.cra_list),
.cra_exit = ghash_exit_tfm,
},
};
static int __init ghash_mod_init(void)
{
return crypto_register_shash(&ghash_alg);
}
static void __exit ghash_mod_exit(void)
{
crypto_unregister_shash(&ghash_alg);
}
module_init(ghash_mod_init);
module_exit(ghash_mod_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("GHASH Message Digest Algorithm");
MODULE_ALIAS("ghash");
......@@ -27,7 +27,7 @@
#include <linux/string.h>
struct hmac_ctx {
struct crypto_hash *child;
struct crypto_shash *hash;
};
static inline void *align_ptr(void *p, unsigned int align)
......@@ -35,65 +35,45 @@ static inline void *align_ptr(void *p, unsigned int align)
return (void *)ALIGN((unsigned long)p, align);
}
static inline struct hmac_ctx *hmac_ctx(struct crypto_hash *tfm)
static inline struct hmac_ctx *hmac_ctx(struct crypto_shash *tfm)
{
return align_ptr(crypto_hash_ctx_aligned(tfm) +
crypto_hash_blocksize(tfm) * 2 +
crypto_hash_digestsize(tfm), sizeof(void *));
return align_ptr(crypto_shash_ctx_aligned(tfm) +
crypto_shash_statesize(tfm) * 2,
crypto_tfm_ctx_alignment());
}
static int hmac_setkey(struct crypto_hash *parent,
static int hmac_setkey(struct crypto_shash *parent,
const u8 *inkey, unsigned int keylen)
{
int bs = crypto_hash_blocksize(parent);
int ds = crypto_hash_digestsize(parent);
char *ipad = crypto_hash_ctx_aligned(parent);
char *opad = ipad + bs;
char *digest = opad + bs;
struct hmac_ctx *ctx = align_ptr(digest + ds, sizeof(void *));
struct crypto_hash *tfm = ctx->child;
int bs = crypto_shash_blocksize(parent);
int ds = crypto_shash_digestsize(parent);
int ss = crypto_shash_statesize(parent);
char *ipad = crypto_shash_ctx_aligned(parent);
char *opad = ipad + ss;
struct hmac_ctx *ctx = align_ptr(opad + ss,
crypto_tfm_ctx_alignment());
struct crypto_shash *hash = ctx->hash;
struct {
struct shash_desc shash;
char ctx[crypto_shash_descsize(hash)];
} desc;
unsigned int i;
desc.shash.tfm = hash;
desc.shash.flags = crypto_shash_get_flags(parent) &
CRYPTO_TFM_REQ_MAY_SLEEP;
if (keylen > bs) {
struct hash_desc desc;
struct scatterlist tmp;
int tmplen;
int err;
desc.tfm = tfm;
desc.flags = crypto_hash_get_flags(parent);
desc.flags &= CRYPTO_TFM_REQ_MAY_SLEEP;
err = crypto_hash_init(&desc);
err = crypto_shash_digest(&desc.shash, inkey, keylen, ipad);
if (err)
return err;
tmplen = bs * 2 + ds;
sg_init_one(&tmp, ipad, tmplen);
for (; keylen > tmplen; inkey += tmplen, keylen -= tmplen) {
memcpy(ipad, inkey, tmplen);
err = crypto_hash_update(&desc, &tmp, tmplen);
if (err)
return err;
}
if (keylen) {
memcpy(ipad, inkey, keylen);
err = crypto_hash_update(&desc, &tmp, keylen);
if (err)
return err;
}
err = crypto_hash_final(&desc, digest);
if (err)
return err;
inkey = digest;
keylen = ds;
}
} else
memcpy(ipad, inkey, keylen);
memcpy(ipad, inkey, keylen);
memset(ipad + keylen, 0, bs - keylen);
memcpy(opad, ipad, bs);
......@@ -102,184 +82,178 @@ static int hmac_setkey(struct crypto_hash *parent,
opad[i] ^= 0x5c;
}
return 0;
return crypto_shash_init(&desc.shash) ?:
crypto_shash_update(&desc.shash, ipad, bs) ?:
crypto_shash_export(&desc.shash, ipad) ?:
crypto_shash_init(&desc.shash) ?:
crypto_shash_update(&desc.shash, opad, bs) ?:
crypto_shash_export(&desc.shash, opad);
}
static int hmac_init(struct hash_desc *pdesc)
static int hmac_export(struct shash_desc *pdesc, void *out)
{
struct crypto_hash *parent = pdesc->tfm;
int bs = crypto_hash_blocksize(parent);
int ds = crypto_hash_digestsize(parent);
char *ipad = crypto_hash_ctx_aligned(parent);
struct hmac_ctx *ctx = align_ptr(ipad + bs * 2 + ds, sizeof(void *));
struct hash_desc desc;
struct scatterlist tmp;
int err;
struct shash_desc *desc = shash_desc_ctx(pdesc);
desc.tfm = ctx->child;
desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
sg_init_one(&tmp, ipad, bs);
desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
err = crypto_hash_init(&desc);
if (unlikely(err))
return err;
return crypto_hash_update(&desc, &tmp, bs);
return crypto_shash_export(desc, out);
}
static int hmac_update(struct hash_desc *pdesc,
struct scatterlist *sg, unsigned int nbytes)
static int hmac_import(struct shash_desc *pdesc, const void *in)
{
struct shash_desc *desc = shash_desc_ctx(pdesc);
struct hmac_ctx *ctx = hmac_ctx(pdesc->tfm);
struct hash_desc desc;
desc.tfm = ctx->child;
desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
desc->tfm = ctx->hash;
desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
return crypto_hash_update(&desc, sg, nbytes);
return crypto_shash_import(desc, in);
}
static int hmac_final(struct hash_desc *pdesc, u8 *out)
static int hmac_init(struct shash_desc *pdesc)
{
struct crypto_hash *parent = pdesc->tfm;
int bs = crypto_hash_blocksize(parent);
int ds = crypto_hash_digestsize(parent);
char *opad = crypto_hash_ctx_aligned(parent) + bs;
char *digest = opad + bs;
struct hmac_ctx *ctx = align_ptr(digest + ds, sizeof(void *));
struct hash_desc desc;
struct scatterlist tmp;
int err;
return hmac_import(pdesc, crypto_shash_ctx_aligned(pdesc->tfm));
}
desc.tfm = ctx->child;
desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
sg_init_one(&tmp, opad, bs + ds);
static int hmac_update(struct shash_desc *pdesc,
const u8 *data, unsigned int nbytes)
{
struct shash_desc *desc = shash_desc_ctx(pdesc);
err = crypto_hash_final(&desc, digest);
if (unlikely(err))
return err;
desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
return crypto_hash_digest(&desc, &tmp, bs + ds, out);
return crypto_shash_update(desc, data, nbytes);
}
static int hmac_digest(struct hash_desc *pdesc, struct scatterlist *sg,
unsigned int nbytes, u8 *out)
static int hmac_final(struct shash_desc *pdesc, u8 *out)
{
struct crypto_hash *parent = pdesc->tfm;
int bs = crypto_hash_blocksize(parent);
int ds = crypto_hash_digestsize(parent);
char *ipad = crypto_hash_ctx_aligned(parent);
char *opad = ipad + bs;
char *digest = opad + bs;
struct hmac_ctx *ctx = align_ptr(digest + ds, sizeof(void *));
struct hash_desc desc;
struct scatterlist sg1[2];
struct scatterlist sg2[1];
int err;
struct crypto_shash *parent = pdesc->tfm;
int ds = crypto_shash_digestsize(parent);
int ss = crypto_shash_statesize(parent);
char *opad = crypto_shash_ctx_aligned(parent) + ss;
struct shash_desc *desc = shash_desc_ctx(pdesc);
desc.tfm = ctx->child;
desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
sg_init_table(sg1, 2);
sg_set_buf(sg1, ipad, bs);
scatterwalk_sg_chain(sg1, 2, sg);
return crypto_shash_final(desc, out) ?:
crypto_shash_import(desc, opad) ?:
crypto_shash_finup(desc, out, ds, out);
}
sg_init_table(sg2, 1);
sg_set_buf(sg2, opad, bs + ds);
static int hmac_finup(struct shash_desc *pdesc, const u8 *data,
unsigned int nbytes, u8 *out)
{
err = crypto_hash_digest(&desc, sg1, nbytes + bs, digest);
if (unlikely(err))
return err;
struct crypto_shash *parent = pdesc->tfm;
int ds = crypto_shash_digestsize(parent);
int ss = crypto_shash_statesize(parent);
char *opad = crypto_shash_ctx_aligned(parent) + ss;
struct shash_desc *desc = shash_desc_ctx(pdesc);
return crypto_hash_digest(&desc, sg2, bs + ds, out);
desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
return crypto_shash_finup(desc, data, nbytes, out) ?:
crypto_shash_import(desc, opad) ?:
crypto_shash_finup(desc, out, ds, out);
}
static int hmac_init_tfm(struct crypto_tfm *tfm)
{
struct crypto_hash *hash;
struct crypto_shash *parent = __crypto_shash_cast(tfm);
struct crypto_shash *hash;
struct crypto_instance *inst = (void *)tfm->__crt_alg;
struct crypto_spawn *spawn = crypto_instance_ctx(inst);
struct hmac_ctx *ctx = hmac_ctx(__crypto_hash_cast(tfm));
struct crypto_shash_spawn *spawn = crypto_instance_ctx(inst);
struct hmac_ctx *ctx = hmac_ctx(parent);
hash = crypto_spawn_hash(spawn);
hash = crypto_spawn_shash(spawn);
if (IS_ERR(hash))
return PTR_ERR(hash);
ctx->child = hash;
parent->descsize = sizeof(struct shash_desc) +
crypto_shash_descsize(hash);
ctx->hash = hash;
return 0;
}
static void hmac_exit_tfm(struct crypto_tfm *tfm)
{
struct hmac_ctx *ctx = hmac_ctx(__crypto_hash_cast(tfm));
crypto_free_hash(ctx->child);
struct hmac_ctx *ctx = hmac_ctx(__crypto_shash_cast(tfm));
crypto_free_shash(ctx->hash);
}
static void hmac_free(struct crypto_instance *inst)
static int hmac_create(struct crypto_template *tmpl, struct rtattr **tb)
{
crypto_drop_spawn(crypto_instance_ctx(inst));
kfree(inst);
}
static struct crypto_instance *hmac_alloc(struct rtattr **tb)
{
struct crypto_instance *inst;
struct shash_instance *inst;
struct crypto_alg *alg;
struct shash_alg *salg;
int err;
int ds;
int ss;
err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_HASH);
err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SHASH);
if (err)
return ERR_PTR(err);
alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_HASH,
CRYPTO_ALG_TYPE_HASH_MASK);
if (IS_ERR(alg))
return ERR_CAST(alg);
inst = ERR_PTR(-EINVAL);
ds = alg->cra_type == &crypto_hash_type ?
alg->cra_hash.digestsize :
alg->cra_type ?
__crypto_shash_alg(alg)->digestsize :
alg->cra_digest.dia_digestsize;
if (ds > alg->cra_blocksize)
return err;
salg = shash_attr_alg(tb[1], 0, 0);
if (IS_ERR(salg))
return PTR_ERR(salg);
err = -EINVAL;
ds = salg->digestsize;
ss = salg->statesize;
alg = &salg->base;
if (ds > alg->cra_blocksize ||
ss < alg->cra_blocksize)
goto out_put_alg;
inst = crypto_alloc_instance("hmac", alg);
inst = shash_alloc_instance("hmac", alg);
err = PTR_ERR(inst);
if (IS_ERR(inst))
goto out_put_alg;
inst->alg.cra_flags = CRYPTO_ALG_TYPE_HASH;
inst->alg.cra_priority = alg->cra_priority;
inst->alg.cra_blocksize = alg->cra_blocksize;
inst->alg.cra_alignmask = alg->cra_alignmask;
inst->alg.cra_type = &crypto_hash_type;
inst->alg.cra_hash.digestsize = ds;
inst->alg.cra_ctxsize = sizeof(struct hmac_ctx) +
ALIGN(inst->alg.cra_blocksize * 2 + ds,
sizeof(void *));
inst->alg.cra_init = hmac_init_tfm;
inst->alg.cra_exit = hmac_exit_tfm;
inst->alg.cra_hash.init = hmac_init;
inst->alg.cra_hash.update = hmac_update;
inst->alg.cra_hash.final = hmac_final;
inst->alg.cra_hash.digest = hmac_digest;
inst->alg.cra_hash.setkey = hmac_setkey;
err = crypto_init_shash_spawn(shash_instance_ctx(inst), salg,
shash_crypto_instance(inst));
if (err)
goto out_free_inst;
inst->alg.base.cra_priority = alg->cra_priority;
inst->alg.base.cra_blocksize = alg->cra_blocksize;
inst->alg.base.cra_alignmask = alg->cra_alignmask;
ss = ALIGN(ss, alg->cra_alignmask + 1);
inst->alg.digestsize = ds;
inst->alg.statesize = ss;
inst->alg.base.cra_ctxsize = sizeof(struct hmac_ctx) +
ALIGN(ss * 2, crypto_tfm_ctx_alignment());
inst->alg.base.cra_init = hmac_init_tfm;
inst->alg.base.cra_exit = hmac_exit_tfm;
inst->alg.init = hmac_init;
inst->alg.update = hmac_update;
inst->alg.final = hmac_final;
inst->alg.finup = hmac_finup;
inst->alg.export = hmac_export;
inst->alg.import = hmac_import;
inst->alg.setkey = hmac_setkey;
err = shash_register_instance(tmpl, inst);
if (err) {
out_free_inst:
shash_free_instance(shash_crypto_instance(inst));
}
out_put_alg:
crypto_mod_put(alg);
return inst;
return err;
}
static struct crypto_template hmac_tmpl = {
.name = "hmac",
.alloc = hmac_alloc,
.free = hmac_free,
.create = hmac_create,
.free = shash_free_instance,
.module = THIS_MODULE,
};
......
......@@ -25,12 +25,7 @@
#include <linux/notifier.h>
#include <linux/rwsem.h>
#include <linux/slab.h>
#ifdef CONFIG_CRYPTO_FIPS
extern int fips_enabled;
#else
#define fips_enabled 0
#endif
#include <linux/fips.h>
/* Crypto notification events. */
enum {
......@@ -65,18 +60,6 @@ static inline void crypto_exit_proc(void)
{ }
#endif
static inline unsigned int crypto_digest_ctxsize(struct crypto_alg *alg)
{
unsigned int len = alg->cra_ctxsize;
if (alg->cra_alignmask) {
len = ALIGN(len, (unsigned long)alg->cra_alignmask + 1);
len += alg->cra_digest.dia_digestsize;
}
return len;
}
static inline unsigned int crypto_cipher_ctxsize(struct crypto_alg *alg)
{
return alg->cra_ctxsize;
......@@ -91,12 +74,9 @@ struct crypto_alg *crypto_mod_get(struct crypto_alg *alg);
struct crypto_alg *crypto_alg_lookup(const char *name, u32 type, u32 mask);
struct crypto_alg *crypto_alg_mod_lookup(const char *name, u32 type, u32 mask);
int crypto_init_digest_ops(struct crypto_tfm *tfm);
int crypto_init_digest_ops_async(struct crypto_tfm *tfm);
int crypto_init_cipher_ops(struct crypto_tfm *tfm);
int crypto_init_compress_ops(struct crypto_tfm *tfm);
void crypto_exit_digest_ops(struct crypto_tfm *tfm);
void crypto_exit_cipher_ops(struct crypto_tfm *tfm);
void crypto_exit_compress_ops(struct crypto_tfm *tfm);
......@@ -111,12 +91,12 @@ struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type,
u32 mask);
void *crypto_create_tfm(struct crypto_alg *alg,
const struct crypto_type *frontend);
struct crypto_alg *crypto_find_alg(const char *alg_name,
const struct crypto_type *frontend,
u32 type, u32 mask);
void *crypto_alloc_tfm(const char *alg_name,
const struct crypto_type *frontend, u32 type, u32 mask);
int crypto_register_instance(struct crypto_template *tmpl,
struct crypto_instance *inst);
int crypto_register_notifier(struct notifier_block *nb);
int crypto_unregister_notifier(struct notifier_block *nb);
int crypto_probing_notify(unsigned long val, void *v);
......
......@@ -36,14 +36,12 @@ static int crypto_pcomp_init(struct crypto_tfm *tfm, u32 type, u32 mask)
return 0;
}
static unsigned int crypto_pcomp_extsize(struct crypto_alg *alg,
const struct crypto_type *frontend)
static unsigned int crypto_pcomp_extsize(struct crypto_alg *alg)
{
return alg->cra_ctxsize;
}
static int crypto_pcomp_init_tfm(struct crypto_tfm *tfm,
const struct crypto_type *frontend)
static int crypto_pcomp_init_tfm(struct crypto_tfm *tfm)
{
return 0;
}
......
......@@ -123,4 +123,4 @@ void crypto_put_default_rng(void)
EXPORT_SYMBOL_GPL(crypto_put_default_rng);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Random Number Genertor");
MODULE_DESCRIPTION("Random Number Generator");
......@@ -25,31 +25,21 @@
#include <crypto/sha.h>
#include <asm/byteorder.h>
struct sha1_ctx {
u64 count;
u32 state[5];
u8 buffer[64];
};
static int sha1_init(struct shash_desc *desc)
{
struct sha1_ctx *sctx = shash_desc_ctx(desc);
struct sha1_state *sctx = shash_desc_ctx(desc);
static const struct sha1_ctx initstate = {
0,
{ SHA1_H0, SHA1_H1, SHA1_H2, SHA1_H3, SHA1_H4 },
{ 0, }
*sctx = (struct sha1_state){
.state = { SHA1_H0, SHA1_H1, SHA1_H2, SHA1_H3, SHA1_H4 },
};
*sctx = initstate;
return 0;
}
static int sha1_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
{
struct sha1_ctx *sctx = shash_desc_ctx(desc);
struct sha1_state *sctx = shash_desc_ctx(desc);
unsigned int partial, done;
const u8 *src;
......@@ -85,7 +75,7 @@ static int sha1_update(struct shash_desc *desc, const u8 *data,
/* Add padding and return the message digest. */
static int sha1_final(struct shash_desc *desc, u8 *out)
{
struct sha1_ctx *sctx = shash_desc_ctx(desc);
struct sha1_state *sctx = shash_desc_ctx(desc);
__be32 *dst = (__be32 *)out;
u32 i, index, padlen;
__be64 bits;
......@@ -111,12 +101,31 @@ static int sha1_final(struct shash_desc *desc, u8 *out)
return 0;
}
static int sha1_export(struct shash_desc *desc, void *out)
{
struct sha1_state *sctx = shash_desc_ctx(desc);
memcpy(out, sctx, sizeof(*sctx));
return 0;
}
static int sha1_import(struct shash_desc *desc, const void *in)
{
struct sha1_state *sctx = shash_desc_ctx(desc);
memcpy(sctx, in, sizeof(*sctx));
return 0;
}
static struct shash_alg alg = {
.digestsize = SHA1_DIGEST_SIZE,
.init = sha1_init,
.update = sha1_update,
.final = sha1_final,
.descsize = sizeof(struct sha1_ctx),
.export = sha1_export,
.import = sha1_import,
.descsize = sizeof(struct sha1_state),
.statesize = sizeof(struct sha1_state),
.base = {
.cra_name = "sha1",
.cra_driver_name= "sha1-generic",
......
......@@ -25,12 +25,6 @@
#include <crypto/sha.h>
#include <asm/byteorder.h>
struct sha256_ctx {
u32 count[2];
u32 state[8];
u8 buf[128];
};
static inline u32 Ch(u32 x, u32 y, u32 z)
{
return z ^ (x & (y ^ z));
......@@ -222,7 +216,7 @@ static void sha256_transform(u32 *state, const u8 *input)
static int sha224_init(struct shash_desc *desc)
{
struct sha256_ctx *sctx = shash_desc_ctx(desc);
struct sha256_state *sctx = shash_desc_ctx(desc);
sctx->state[0] = SHA224_H0;
sctx->state[1] = SHA224_H1;
sctx->state[2] = SHA224_H2;
......@@ -231,15 +225,14 @@ static int sha224_init(struct shash_desc *desc)
sctx->state[5] = SHA224_H5;
sctx->state[6] = SHA224_H6;
sctx->state[7] = SHA224_H7;
sctx->count[0] = 0;
sctx->count[1] = 0;
sctx->count = 0;
return 0;
}
static int sha256_init(struct shash_desc *desc)
{
struct sha256_ctx *sctx = shash_desc_ctx(desc);
struct sha256_state *sctx = shash_desc_ctx(desc);
sctx->state[0] = SHA256_H0;
sctx->state[1] = SHA256_H1;
sctx->state[2] = SHA256_H2;
......@@ -248,7 +241,7 @@ static int sha256_init(struct shash_desc *desc)
sctx->state[5] = SHA256_H5;
sctx->state[6] = SHA256_H6;
sctx->state[7] = SHA256_H7;
sctx->count[0] = sctx->count[1] = 0;
sctx->count = 0;
return 0;
}
......@@ -256,58 +249,54 @@ static int sha256_init(struct shash_desc *desc)
static int sha256_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
{
struct sha256_ctx *sctx = shash_desc_ctx(desc);
unsigned int i, index, part_len;
/* Compute number of bytes mod 128 */
index = (unsigned int)((sctx->count[0] >> 3) & 0x3f);
/* Update number of bits */
if ((sctx->count[0] += (len << 3)) < (len << 3)) {
sctx->count[1]++;
sctx->count[1] += (len >> 29);
}
part_len = 64 - index;
/* Transform as many times as possible. */
if (len >= part_len) {
memcpy(&sctx->buf[index], data, part_len);
sha256_transform(sctx->state, sctx->buf);
for (i = part_len; i + 63 < len; i += 64)
sha256_transform(sctx->state, &data[i]);
index = 0;
} else {
i = 0;
struct sha256_state *sctx = shash_desc_ctx(desc);
unsigned int partial, done;
const u8 *src;
partial = sctx->count & 0x3f;
sctx->count += len;
done = 0;
src = data;
if ((partial + len) > 63) {
if (partial) {
done = -partial;
memcpy(sctx->buf + partial, data, done + 64);
src = sctx->buf;
}
do {
sha256_transform(sctx->state, src);
done += 64;
src = data + done;
} while (done + 63 < len);
partial = 0;
}
/* Buffer remaining input */
memcpy(&sctx->buf[index], &data[i], len-i);
memcpy(sctx->buf + partial, src, len - done);
return 0;
}
static int sha256_final(struct shash_desc *desc, u8 *out)
{
struct sha256_ctx *sctx = shash_desc_ctx(desc);
struct sha256_state *sctx = shash_desc_ctx(desc);
__be32 *dst = (__be32 *)out;
__be32 bits[2];
__be64 bits;
unsigned int index, pad_len;
int i;
static const u8 padding[64] = { 0x80, };
/* Save number of bits */
bits[1] = cpu_to_be32(sctx->count[0]);
bits[0] = cpu_to_be32(sctx->count[1]);
bits = cpu_to_be64(sctx->count << 3);
/* Pad out to 56 mod 64. */
index = (sctx->count[0] >> 3) & 0x3f;
index = sctx->count & 0x3f;
pad_len = (index < 56) ? (56 - index) : ((64+56) - index);
sha256_update(desc, padding, pad_len);
/* Append length (before padding) */
sha256_update(desc, (const u8 *)bits, sizeof(bits));
sha256_update(desc, (const u8 *)&bits, sizeof(bits));
/* Store state in digest */
for (i = 0; i < 8; i++)
......@@ -331,12 +320,31 @@ static int sha224_final(struct shash_desc *desc, u8 *hash)
return 0;
}
static int sha256_export(struct shash_desc *desc, void *out)
{
struct sha256_state *sctx = shash_desc_ctx(desc);
memcpy(out, sctx, sizeof(*sctx));
return 0;
}
static int sha256_import(struct shash_desc *desc, const void *in)
{
struct sha256_state *sctx = shash_desc_ctx(desc);
memcpy(sctx, in, sizeof(*sctx));
return 0;
}
static struct shash_alg sha256 = {
.digestsize = SHA256_DIGEST_SIZE,
.init = sha256_init,
.update = sha256_update,
.final = sha256_final,
.descsize = sizeof(struct sha256_ctx),
.export = sha256_export,
.import = sha256_import,
.descsize = sizeof(struct sha256_state),
.statesize = sizeof(struct sha256_state),
.base = {
.cra_name = "sha256",
.cra_driver_name= "sha256-generic",
......@@ -351,7 +359,7 @@ static struct shash_alg sha224 = {
.init = sha224_init,
.update = sha256_update,
.final = sha224_final,
.descsize = sizeof(struct sha256_ctx),
.descsize = sizeof(struct sha256_state),
.base = {
.cra_name = "sha224",
.cra_driver_name= "sha224-generic",
......
......@@ -21,12 +21,6 @@
#include <linux/percpu.h>
#include <asm/byteorder.h>
struct sha512_ctx {
u64 state[8];
u32 count[4];
u8 buf[128];
};
static DEFINE_PER_CPU(u64[80], msg_schedule);
static inline u64 Ch(u64 x, u64 y, u64 z)
......@@ -141,7 +135,7 @@ sha512_transform(u64 *state, const u8 *input)
static int
sha512_init(struct shash_desc *desc)
{
struct sha512_ctx *sctx = shash_desc_ctx(desc);
struct sha512_state *sctx = shash_desc_ctx(desc);
sctx->state[0] = SHA512_H0;
sctx->state[1] = SHA512_H1;
sctx->state[2] = SHA512_H2;
......@@ -150,7 +144,7 @@ sha512_init(struct shash_desc *desc)
sctx->state[5] = SHA512_H5;
sctx->state[6] = SHA512_H6;
sctx->state[7] = SHA512_H7;
sctx->count[0] = sctx->count[1] = sctx->count[2] = sctx->count[3] = 0;
sctx->count[0] = sctx->count[1] = 0;
return 0;
}
......@@ -158,7 +152,7 @@ sha512_init(struct shash_desc *desc)
static int
sha384_init(struct shash_desc *desc)
{
struct sha512_ctx *sctx = shash_desc_ctx(desc);
struct sha512_state *sctx = shash_desc_ctx(desc);
sctx->state[0] = SHA384_H0;
sctx->state[1] = SHA384_H1;
sctx->state[2] = SHA384_H2;
......@@ -167,7 +161,7 @@ sha384_init(struct shash_desc *desc)
sctx->state[5] = SHA384_H5;
sctx->state[6] = SHA384_H6;
sctx->state[7] = SHA384_H7;
sctx->count[0] = sctx->count[1] = sctx->count[2] = sctx->count[3] = 0;
sctx->count[0] = sctx->count[1] = 0;
return 0;
}
......@@ -175,20 +169,16 @@ sha384_init(struct shash_desc *desc)
static int
sha512_update(struct shash_desc *desc, const u8 *data, unsigned int len)
{
struct sha512_ctx *sctx = shash_desc_ctx(desc);
struct sha512_state *sctx = shash_desc_ctx(desc);
unsigned int i, index, part_len;
/* Compute number of bytes mod 128 */
index = (unsigned int)((sctx->count[0] >> 3) & 0x7F);
/* Update number of bits */
if ((sctx->count[0] += (len << 3)) < (len << 3)) {
if ((sctx->count[1] += 1) < 1)
if ((sctx->count[2] += 1) < 1)
sctx->count[3]++;
sctx->count[1] += (len >> 29);
}
index = sctx->count[0] & 0x7f;
/* Update number of bytes */
if (!(sctx->count[0] += len))
sctx->count[1]++;
part_len = 128 - index;
......@@ -214,21 +204,19 @@ sha512_update(struct shash_desc *desc, const u8 *data, unsigned int len)
static int
sha512_final(struct shash_desc *desc, u8 *hash)
{
struct sha512_ctx *sctx = shash_desc_ctx(desc);
struct sha512_state *sctx = shash_desc_ctx(desc);
static u8 padding[128] = { 0x80, };
__be64 *dst = (__be64 *)hash;
__be32 bits[4];
__be64 bits[2];
unsigned int index, pad_len;
int i;
/* Save number of bits */
bits[3] = cpu_to_be32(sctx->count[0]);
bits[2] = cpu_to_be32(sctx->count[1]);
bits[1] = cpu_to_be32(sctx->count[2]);
bits[0] = cpu_to_be32(sctx->count[3]);
bits[1] = cpu_to_be64(sctx->count[0] << 3);
bits[0] = cpu_to_be64(sctx->count[1] << 3 | sctx->count[0] >> 61);
/* Pad out to 112 mod 128. */
index = (sctx->count[0] >> 3) & 0x7f;
index = sctx->count[0] & 0x7f;
pad_len = (index < 112) ? (112 - index) : ((128+112) - index);
sha512_update(desc, padding, pad_len);
......@@ -240,7 +228,7 @@ sha512_final(struct shash_desc *desc, u8 *hash)
dst[i] = cpu_to_be64(sctx->state[i]);
/* Zeroize sensitive information. */
memset(sctx, 0, sizeof(struct sha512_ctx));
memset(sctx, 0, sizeof(struct sha512_state));
return 0;
}
......@@ -262,7 +250,7 @@ static struct shash_alg sha512 = {
.init = sha512_init,
.update = sha512_update,
.final = sha512_final,
.descsize = sizeof(struct sha512_ctx),
.descsize = sizeof(struct sha512_state),
.base = {
.cra_name = "sha512",
.cra_flags = CRYPTO_ALG_TYPE_SHASH,
......@@ -276,7 +264,7 @@ static struct shash_alg sha384 = {
.init = sha384_init,
.update = sha512_update,
.final = sha384_final,
.descsize = sizeof(struct sha512_ctx),
.descsize = sizeof(struct sha512_state),
.base = {
.cra_name = "sha384",
.cra_flags = CRYPTO_ALG_TYPE_SHASH,
......
......@@ -22,6 +22,12 @@
static const struct crypto_type crypto_shash_type;
static int shash_no_setkey(struct crypto_shash *tfm, const u8 *key,
unsigned int keylen)
{
return -ENOSYS;
}
static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key,
unsigned int keylen)
{
......@@ -39,8 +45,7 @@ static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key,
alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
memcpy(alignbuffer, key, keylen);
err = shash->setkey(tfm, alignbuffer, keylen);
memset(alignbuffer, 0, keylen);
kfree(buffer);
kzfree(buffer);
return err;
}
......@@ -50,9 +55,6 @@ int crypto_shash_setkey(struct crypto_shash *tfm, const u8 *key,
struct shash_alg *shash = crypto_shash_alg(tfm);
unsigned long alignmask = crypto_shash_alignmask(tfm);
if (!shash->setkey)
return -ENOSYS;
if ((unsigned long)key & alignmask)
return shash_setkey_unaligned(tfm, key, keylen);
......@@ -74,15 +76,19 @@ static int shash_update_unaligned(struct shash_desc *desc, const u8 *data,
unsigned long alignmask = crypto_shash_alignmask(tfm);
unsigned int unaligned_len = alignmask + 1 -
((unsigned long)data & alignmask);
u8 buf[shash_align_buffer_size(unaligned_len, alignmask)]
u8 ubuf[shash_align_buffer_size(unaligned_len, alignmask)]
__attribute__ ((aligned));
u8 *buf = PTR_ALIGN(&ubuf[0], alignmask + 1);
int err;
if (unaligned_len > len)
unaligned_len = len;
memcpy(buf, data, unaligned_len);
err = shash->update(desc, buf, unaligned_len);
memset(buf, 0, unaligned_len);
return shash->update(desc, buf, unaligned_len) ?:
return err ?:
shash->update(desc, data + unaligned_len, len - unaligned_len);
}
......@@ -106,12 +112,19 @@ static int shash_final_unaligned(struct shash_desc *desc, u8 *out)
unsigned long alignmask = crypto_shash_alignmask(tfm);
struct shash_alg *shash = crypto_shash_alg(tfm);
unsigned int ds = crypto_shash_digestsize(tfm);
u8 buf[shash_align_buffer_size(ds, alignmask)]
u8 ubuf[shash_align_buffer_size(ds, alignmask)]
__attribute__ ((aligned));
u8 *buf = PTR_ALIGN(&ubuf[0], alignmask + 1);
int err;
err = shash->final(desc, buf);
if (err)
goto out;
memcpy(out, buf, ds);
out:
memset(buf, 0, ds);
return err;
}
......@@ -142,8 +155,7 @@ int crypto_shash_finup(struct shash_desc *desc, const u8 *data,
struct shash_alg *shash = crypto_shash_alg(tfm);
unsigned long alignmask = crypto_shash_alignmask(tfm);
if (((unsigned long)data | (unsigned long)out) & alignmask ||
!shash->finup)
if (((unsigned long)data | (unsigned long)out) & alignmask)
return shash_finup_unaligned(desc, data, len, out);
return shash->finup(desc, data, len, out);
......@@ -154,8 +166,7 @@ static int shash_digest_unaligned(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out)
{
return crypto_shash_init(desc) ?:
crypto_shash_update(desc, data, len) ?:
crypto_shash_final(desc, out);
crypto_shash_finup(desc, data, len, out);
}
int crypto_shash_digest(struct shash_desc *desc, const u8 *data,
......@@ -165,27 +176,24 @@ int crypto_shash_digest(struct shash_desc *desc, const u8 *data,
struct shash_alg *shash = crypto_shash_alg(tfm);
unsigned long alignmask = crypto_shash_alignmask(tfm);
if (((unsigned long)data | (unsigned long)out) & alignmask ||
!shash->digest)
if (((unsigned long)data | (unsigned long)out) & alignmask)
return shash_digest_unaligned(desc, data, len, out);
return shash->digest(desc, data, len, out);
}
EXPORT_SYMBOL_GPL(crypto_shash_digest);
int crypto_shash_import(struct shash_desc *desc, const u8 *in)
static int shash_default_export(struct shash_desc *desc, void *out)
{
struct crypto_shash *tfm = desc->tfm;
struct shash_alg *alg = crypto_shash_alg(tfm);
memcpy(shash_desc_ctx(desc), in, crypto_shash_descsize(tfm));
if (alg->reinit)
alg->reinit(desc);
memcpy(out, shash_desc_ctx(desc), crypto_shash_descsize(desc->tfm));
return 0;
}
static int shash_default_import(struct shash_desc *desc, const void *in)
{
memcpy(shash_desc_ctx(desc), in, crypto_shash_descsize(desc->tfm));
return 0;
}
EXPORT_SYMBOL_GPL(crypto_shash_import);
static int shash_async_setkey(struct crypto_ahash *tfm, const u8 *key,
unsigned int keylen)
......@@ -206,9 +214,8 @@ static int shash_async_init(struct ahash_request *req)
return crypto_shash_init(desc);
}
static int shash_async_update(struct ahash_request *req)
int shash_ahash_update(struct ahash_request *req, struct shash_desc *desc)
{
struct shash_desc *desc = ahash_request_ctx(req);
struct crypto_hash_walk walk;
int nbytes;
......@@ -218,13 +225,51 @@ static int shash_async_update(struct ahash_request *req)
return nbytes;
}
EXPORT_SYMBOL_GPL(shash_ahash_update);
static int shash_async_update(struct ahash_request *req)
{
return shash_ahash_update(req, ahash_request_ctx(req));
}
static int shash_async_final(struct ahash_request *req)
{
return crypto_shash_final(ahash_request_ctx(req), req->result);
}
static int shash_async_digest(struct ahash_request *req)
int shash_ahash_finup(struct ahash_request *req, struct shash_desc *desc)
{
struct crypto_hash_walk walk;
int nbytes;
nbytes = crypto_hash_walk_first(req, &walk);
if (!nbytes)
return crypto_shash_final(desc, req->result);
do {
nbytes = crypto_hash_walk_last(&walk) ?
crypto_shash_finup(desc, walk.data, nbytes,
req->result) :
crypto_shash_update(desc, walk.data, nbytes);
nbytes = crypto_hash_walk_done(&walk, nbytes);
} while (nbytes > 0);
return nbytes;
}
EXPORT_SYMBOL_GPL(shash_ahash_finup);
static int shash_async_finup(struct ahash_request *req)
{
struct crypto_shash **ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
struct shash_desc *desc = ahash_request_ctx(req);
desc->tfm = *ctx;
desc->flags = req->base.flags;
return shash_ahash_finup(req, desc);
}
int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc)
{
struct scatterlist *sg = req->src;
unsigned int offset = sg->offset;
......@@ -232,34 +277,40 @@ static int shash_async_digest(struct ahash_request *req)
int err;
if (nbytes < min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset)) {
struct crypto_shash **ctx =
crypto_ahash_ctx(crypto_ahash_reqtfm(req));
struct shash_desc *desc = ahash_request_ctx(req);
void *data;
desc->tfm = *ctx;
desc->flags = req->base.flags;
data = crypto_kmap(sg_page(sg), 0);
err = crypto_shash_digest(desc, data + offset, nbytes,
req->result);
crypto_kunmap(data, 0);
crypto_yield(desc->flags);
goto out;
}
} else
err = crypto_shash_init(desc) ?:
shash_ahash_finup(req, desc);
err = shash_async_init(req);
if (err)
goto out;
return err;
}
EXPORT_SYMBOL_GPL(shash_ahash_digest);
err = shash_async_update(req);
if (err)
goto out;
static int shash_async_digest(struct ahash_request *req)
{
struct crypto_shash **ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
struct shash_desc *desc = ahash_request_ctx(req);
err = shash_async_final(req);
desc->tfm = *ctx;
desc->flags = req->base.flags;
out:
return err;
return shash_ahash_digest(req, desc);
}
static int shash_async_export(struct ahash_request *req, void *out)
{
return crypto_shash_export(ahash_request_ctx(req), out);
}
static int shash_async_import(struct ahash_request *req, const void *in)
{
return crypto_shash_import(ahash_request_ctx(req), in);
}
static void crypto_exit_shash_ops_async(struct crypto_tfm *tfm)
......@@ -269,11 +320,11 @@ static void crypto_exit_shash_ops_async(struct crypto_tfm *tfm)
crypto_free_shash(*ctx);
}
static int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
{
struct crypto_alg *calg = tfm->__crt_alg;
struct shash_alg *alg = __crypto_shash_alg(calg);
struct ahash_tfm *crt = &tfm->crt_ahash;
struct crypto_ahash *crt = __crypto_ahash_cast(tfm);
struct crypto_shash **ctx = crypto_tfm_ctx(tfm);
struct crypto_shash *shash;
......@@ -291,11 +342,17 @@ static int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
crt->init = shash_async_init;
crt->update = shash_async_update;
crt->final = shash_async_final;
crt->final = shash_async_final;
crt->finup = shash_async_finup;
crt->digest = shash_async_digest;
crt->setkey = shash_async_setkey;
crt->digestsize = alg->digestsize;
if (alg->setkey)
crt->setkey = shash_async_setkey;
if (alg->export)
crt->export = shash_async_export;
if (alg->import)
crt->import = shash_async_import;
crt->reqsize = sizeof(struct shash_desc) + crypto_shash_descsize(shash);
return 0;
......@@ -304,14 +361,16 @@ static int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
static int shash_compat_setkey(struct crypto_hash *tfm, const u8 *key,
unsigned int keylen)
{
struct shash_desc *desc = crypto_hash_ctx(tfm);
struct shash_desc **descp = crypto_hash_ctx(tfm);
struct shash_desc *desc = *descp;
return crypto_shash_setkey(desc->tfm, key, keylen);
}
static int shash_compat_init(struct hash_desc *hdesc)
{
struct shash_desc *desc = crypto_hash_ctx(hdesc->tfm);
struct shash_desc **descp = crypto_hash_ctx(hdesc->tfm);
struct shash_desc *desc = *descp;
desc->flags = hdesc->flags;
......@@ -321,7 +380,8 @@ static int shash_compat_init(struct hash_desc *hdesc)
static int shash_compat_update(struct hash_desc *hdesc, struct scatterlist *sg,
unsigned int len)
{
struct shash_desc *desc = crypto_hash_ctx(hdesc->tfm);
struct shash_desc **descp = crypto_hash_ctx(hdesc->tfm);
struct shash_desc *desc = *descp;
struct crypto_hash_walk walk;
int nbytes;
......@@ -334,7 +394,9 @@ static int shash_compat_update(struct hash_desc *hdesc, struct scatterlist *sg,
static int shash_compat_final(struct hash_desc *hdesc, u8 *out)
{
return crypto_shash_final(crypto_hash_ctx(hdesc->tfm), out);
struct shash_desc **descp = crypto_hash_ctx(hdesc->tfm);
return crypto_shash_final(*descp, out);
}
static int shash_compat_digest(struct hash_desc *hdesc, struct scatterlist *sg,
......@@ -344,7 +406,8 @@ static int shash_compat_digest(struct hash_desc *hdesc, struct scatterlist *sg,
int err;
if (nbytes < min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset)) {
struct shash_desc *desc = crypto_hash_ctx(hdesc->tfm);
struct shash_desc **descp = crypto_hash_ctx(hdesc->tfm);
struct shash_desc *desc = *descp;
void *data;
desc->flags = hdesc->flags;
......@@ -372,9 +435,11 @@ static int shash_compat_digest(struct hash_desc *hdesc, struct scatterlist *sg,
static void crypto_exit_shash_ops_compat(struct crypto_tfm *tfm)
{
struct shash_desc *desc= crypto_tfm_ctx(tfm);
struct shash_desc **descp = crypto_tfm_ctx(tfm);
struct shash_desc *desc = *descp;
crypto_free_shash(desc->tfm);
kzfree(desc);
}
static int crypto_init_shash_ops_compat(struct crypto_tfm *tfm)
......@@ -382,8 +447,9 @@ static int crypto_init_shash_ops_compat(struct crypto_tfm *tfm)
struct hash_tfm *crt = &tfm->crt_hash;
struct crypto_alg *calg = tfm->__crt_alg;
struct shash_alg *alg = __crypto_shash_alg(calg);
struct shash_desc *desc = crypto_tfm_ctx(tfm);
struct shash_desc **descp = crypto_tfm_ctx(tfm);
struct crypto_shash *shash;
struct shash_desc *desc;
if (!crypto_mod_get(calg))
return -EAGAIN;
......@@ -394,6 +460,14 @@ static int crypto_init_shash_ops_compat(struct crypto_tfm *tfm)
return PTR_ERR(shash);
}
desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(shash),
GFP_KERNEL);
if (!desc) {
crypto_free_shash(shash);
return -ENOMEM;
}
*descp = desc;
desc->tfm = shash;
tfm->exit = crypto_exit_shash_ops_compat;
......@@ -413,8 +487,6 @@ static int crypto_init_shash_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
switch (mask & CRYPTO_ALG_TYPE_MASK) {
case CRYPTO_ALG_TYPE_HASH_MASK:
return crypto_init_shash_ops_compat(tfm);
case CRYPTO_ALG_TYPE_AHASH_MASK:
return crypto_init_shash_ops_async(tfm);
}
return -EINVAL;
......@@ -423,26 +495,23 @@ static int crypto_init_shash_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
static unsigned int crypto_shash_ctxsize(struct crypto_alg *alg, u32 type,
u32 mask)
{
struct shash_alg *salg = __crypto_shash_alg(alg);
switch (mask & CRYPTO_ALG_TYPE_MASK) {
case CRYPTO_ALG_TYPE_HASH_MASK:
return sizeof(struct shash_desc) + salg->descsize;
case CRYPTO_ALG_TYPE_AHASH_MASK:
return sizeof(struct crypto_shash *);
return sizeof(struct shash_desc *);
}
return 0;
}
static int crypto_shash_init_tfm(struct crypto_tfm *tfm,
const struct crypto_type *frontend)
static int crypto_shash_init_tfm(struct crypto_tfm *tfm)
{
struct crypto_shash *hash = __crypto_shash_cast(tfm);
hash->descsize = crypto_shash_alg(hash)->descsize;
return 0;
}
static unsigned int crypto_shash_extsize(struct crypto_alg *alg,
const struct crypto_type *frontend)
static unsigned int crypto_shash_extsize(struct crypto_alg *alg)
{
return alg->cra_ctxsize;
}
......@@ -456,7 +525,6 @@ static void crypto_shash_show(struct seq_file *m, struct crypto_alg *alg)
seq_printf(m, "type : shash\n");
seq_printf(m, "blocksize : %u\n", alg->cra_blocksize);
seq_printf(m, "digestsize : %u\n", salg->digestsize);
seq_printf(m, "descsize : %u\n", salg->descsize);
}
static const struct crypto_type crypto_shash_type = {
......@@ -480,18 +548,43 @@ struct crypto_shash *crypto_alloc_shash(const char *alg_name, u32 type,
}
EXPORT_SYMBOL_GPL(crypto_alloc_shash);
int crypto_register_shash(struct shash_alg *alg)
static int shash_prepare_alg(struct shash_alg *alg)
{
struct crypto_alg *base = &alg->base;
if (alg->digestsize > PAGE_SIZE / 8 ||
alg->descsize > PAGE_SIZE / 8)
alg->descsize > PAGE_SIZE / 8 ||
alg->statesize > PAGE_SIZE / 8)
return -EINVAL;
base->cra_type = &crypto_shash_type;
base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK;
base->cra_flags |= CRYPTO_ALG_TYPE_SHASH;
if (!alg->finup)
alg->finup = shash_finup_unaligned;
if (!alg->digest)
alg->digest = shash_digest_unaligned;
if (!alg->export) {
alg->export = shash_default_export;
alg->import = shash_default_import;
alg->statesize = alg->descsize;
}
if (!alg->setkey)
alg->setkey = shash_no_setkey;
return 0;
}
int crypto_register_shash(struct shash_alg *alg)
{
struct crypto_alg *base = &alg->base;
int err;
err = shash_prepare_alg(alg);
if (err)
return err;
return crypto_register_alg(base);
}
EXPORT_SYMBOL_GPL(crypto_register_shash);
......@@ -502,5 +595,44 @@ int crypto_unregister_shash(struct shash_alg *alg)
}
EXPORT_SYMBOL_GPL(crypto_unregister_shash);
int shash_register_instance(struct crypto_template *tmpl,
struct shash_instance *inst)
{
int err;
err = shash_prepare_alg(&inst->alg);
if (err)
return err;
return crypto_register_instance(tmpl, shash_crypto_instance(inst));
}
EXPORT_SYMBOL_GPL(shash_register_instance);
void shash_free_instance(struct crypto_instance *inst)
{
crypto_drop_spawn(crypto_instance_ctx(inst));
kfree(shash_instance(inst));
}
EXPORT_SYMBOL_GPL(shash_free_instance);
int crypto_init_shash_spawn(struct crypto_shash_spawn *spawn,
struct shash_alg *alg,
struct crypto_instance *inst)
{
return crypto_init_spawn2(&spawn->base, &alg->base, inst,
&crypto_shash_type);
}
EXPORT_SYMBOL_GPL(crypto_init_shash_spawn);
struct shash_alg *shash_attr_alg(struct rtattr *rta, u32 type, u32 mask)
{
struct crypto_alg *alg;
alg = crypto_attr_alg2(rta, &crypto_shash_type, type, mask);
return IS_ERR(alg) ? ERR_CAST(alg) :
container_of(alg, struct shash_alg, base);
}
EXPORT_SYMBOL_GPL(shash_attr_alg);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Synchronous cryptographic hash type");
......@@ -45,6 +45,9 @@
*/
static unsigned int sec;
static char *alg = NULL;
static u32 type;
static u32 mask;
static int mode;
static char *tvmem[TVMEMSIZE];
......@@ -716,6 +719,10 @@ static int do_test(int m)
ret += tcrypt_test("hmac(rmd160)");
break;
case 109:
ret += tcrypt_test("vmac(aes)");
break;
case 150:
ret += tcrypt_test("ansi_cprng");
break;
......@@ -885,6 +892,12 @@ static int do_test(int m)
return ret;
}
static int do_alg_test(const char *alg, u32 type, u32 mask)
{
return crypto_has_alg(alg, type, mask ?: CRYPTO_ALG_TYPE_MASK) ?
0 : -ENOENT;
}
static int __init tcrypt_mod_init(void)
{
int err = -ENOMEM;
......@@ -896,7 +909,11 @@ static int __init tcrypt_mod_init(void)
goto err_free_tv;
}
err = do_test(mode);
if (alg)
err = do_alg_test(alg, type, mask);
else
err = do_test(mode);
if (err) {
printk(KERN_ERR "tcrypt: one or more tests failed!\n");
goto err_free_tv;
......@@ -928,6 +945,9 @@ static void __exit tcrypt_mod_fini(void) { }
module_init(tcrypt_mod_init);
module_exit(tcrypt_mod_fini);
module_param(alg, charp, 0);
module_param(type, uint, 0);
module_param(mask, uint, 0);
module_param(mode, int, 0);
module_param(sec, uint, 0);
MODULE_PARM_DESC(sec, "Length in seconds of speed tests "
......
......@@ -190,10 +190,6 @@ static int test_hash(struct crypto_ahash *tfm, struct hash_testvec *template,
hash_buff = xbuf[0];
ret = -EINVAL;
if (WARN_ON(template[i].psize > PAGE_SIZE))
goto out;
memcpy(hash_buff, template[i].plaintext, template[i].psize);
sg_init_one(&sg[0], hash_buff, template[i].psize);
......@@ -2251,6 +2247,15 @@ static const struct alg_test_desc alg_test_descs[] = {
.count = TGR192_TEST_VECTORS
}
}
}, {
.alg = "vmac(aes)",
.test = alg_test_hash,
.suite = {
.hash = {
.vecs = aes_vmac128_tv_template,
.count = VMAC_AES_TEST_VECTORS
}
}
}, {
.alg = "wp256",
.test = alg_test_hash,
......@@ -2348,6 +2353,7 @@ static int alg_find_test(const char *alg)
int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
{
int i;
int j;
int rc;
if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
......@@ -2369,14 +2375,22 @@ int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
}
i = alg_find_test(alg);
if (i < 0)
j = alg_find_test(driver);
if (i < 0 && j < 0)
goto notest;
if (fips_enabled && !alg_test_descs[i].fips_allowed)
if (fips_enabled && ((i >= 0 && !alg_test_descs[i].fips_allowed) ||
(j >= 0 && !alg_test_descs[j].fips_allowed)))
goto non_fips_alg;
rc = alg_test_descs[i].test(alg_test_descs + i, driver,
type, mask);
rc = 0;
if (i >= 0)
rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
type, mask);
if (j >= 0)
rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
type, mask);
test_done:
if (fips_enabled && rc)
panic("%s: %s alg self test failed in fips mode!\n", driver, alg);
......
......@@ -1654,6 +1654,22 @@ static struct hash_testvec aes_xcbc128_tv_template[] = {
}
};
#define VMAC_AES_TEST_VECTORS 1
static char vmac_string[128] = {'\x01', '\x01', '\x01', '\x01',
'\x02', '\x03', '\x02', '\x02',
'\x02', '\x04', '\x01', '\x07',
'\x04', '\x01', '\x04', '\x03',};
static struct hash_testvec aes_vmac128_tv_template[] = {
{
.key = "\x00\x01\x02\x03\x04\x05\x06\x07"
"\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
.plaintext = vmac_string,
.digest = "\xcb\xd7\x8a\xfd\xb7\x33\x79\xe7",
.psize = 128,
.ksize = 16,
},
};
/*
* SHA384 HMAC test vectors from RFC4231
*/
......
此差异已折叠。
此差异已折叠。
......@@ -44,8 +44,8 @@
* want to register another driver on the same PCI id.
*/
static const struct pci_device_id pci_tbl[] = {
{ 0x1022, 0x7443, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
{ 0x1022, 0x746b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
{ PCI_VDEVICE(AMD, 0x7443), 0, },
{ PCI_VDEVICE(AMD, 0x746b), 0, },
{ 0, }, /* terminate list */
};
MODULE_DEVICE_TABLE(pci, pci_tbl);
......
......@@ -46,8 +46,7 @@
* want to register another driver on the same PCI id.
*/
static const struct pci_device_id pci_tbl[] = {
{ PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LX_AES,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_LX_AES), 0, },
{ 0, }, /* terminate list */
};
MODULE_DEVICE_TABLE(pci, pci_tbl);
......
......@@ -240,6 +240,7 @@
#include <linux/spinlock.h>
#include <linux/percpu.h>
#include <linux/cryptohash.h>
#include <linux/fips.h>
#ifdef CONFIG_GENERIC_HARDIRQS
# include <linux/irq.h>
......@@ -413,6 +414,7 @@ struct entropy_store {
unsigned add_ptr;
int entropy_count;
int input_rotate;
__u8 *last_data;
};
static __u32 input_pool_data[INPUT_POOL_WORDS];
......@@ -852,12 +854,21 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf,
{
ssize_t ret = 0, i;
__u8 tmp[EXTRACT_SIZE];
unsigned long flags;
xfer_secondary_pool(r, nbytes);
nbytes = account(r, nbytes, min, reserved);
while (nbytes) {
extract_buf(r, tmp);
if (r->last_data) {
spin_lock_irqsave(&r->lock, flags);
if (!memcmp(tmp, r->last_data, EXTRACT_SIZE))
panic("Hardware RNG duplicated output!\n");
memcpy(r->last_data, tmp, EXTRACT_SIZE);
spin_unlock_irqrestore(&r->lock, flags);
}
i = min_t(int, nbytes, EXTRACT_SIZE);
memcpy(buf, tmp, i);
nbytes -= i;
......@@ -940,6 +951,9 @@ static void init_std_data(struct entropy_store *r)
now = ktime_get_real();
mix_pool_bytes(r, &now, sizeof(now));
mix_pool_bytes(r, utsname(), sizeof(*(utsname())));
/* Enable continuous test in fips mode */
if (fips_enabled)
r->last_data = kmalloc(EXTRACT_SIZE, GFP_KERNEL);
}
static int rand_initialize(void)
......
......@@ -13,7 +13,6 @@ if CRYPTO_HW
config CRYPTO_DEV_PADLOCK
tristate "Support for VIA PadLock ACE"
depends on X86 && !UML
select CRYPTO_ALGAPI
help
Some VIA processors come with an integrated crypto engine
(so called VIA PadLock ACE, Advanced Cryptography Engine)
......@@ -39,6 +38,7 @@ config CRYPTO_DEV_PADLOCK_AES
config CRYPTO_DEV_PADLOCK_SHA
tristate "PadLock driver for SHA1 and SHA256 algorithms"
depends on CRYPTO_DEV_PADLOCK
select CRYPTO_HASH
select CRYPTO_SHA1
select CRYPTO_SHA256
help
......@@ -157,6 +157,19 @@ config S390_PRNG
ANSI X9.17 standard. The PRNG is usable via the char device
/dev/prandom.
config CRYPTO_DEV_MV_CESA
tristate "Marvell's Cryptographic Engine"
depends on PLAT_ORION
select CRYPTO_ALGAPI
select CRYPTO_AES
select CRYPTO_BLKCIPHER2
help
This driver allows you to utilize the Cryptographic Engines and
Security Accelerator (CESA) which can be found on the Marvell Orion
and Kirkwood SoCs, such as QNAP's TS-209.
Currently the driver supports AES in ECB and CBC mode without DMA.
config CRYPTO_DEV_HIFN_795X
tristate "Driver HIFN 795x crypto accelerator chips"
select CRYPTO_DES
......
......@@ -2,6 +2,7 @@ obj-$(CONFIG_CRYPTO_DEV_PADLOCK_AES) += padlock-aes.o
obj-$(CONFIG_CRYPTO_DEV_PADLOCK_SHA) += padlock-sha.o
obj-$(CONFIG_CRYPTO_DEV_GEODE) += geode-aes.o
obj-$(CONFIG_CRYPTO_DEV_HIFN_795X) += hifn_795x.o
obj-$(CONFIG_CRYPTO_DEV_MV_CESA) += mv_cesa.o
obj-$(CONFIG_CRYPTO_DEV_TALITOS) += talitos.o
obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o
obj-$(CONFIG_CRYPTO_DEV_PPC4XX) += amcc/
......@@ -208,7 +208,8 @@ static int crypto4xx_hash_alg_init(struct crypto_tfm *tfm,
}
}
tfm->crt_ahash.reqsize = sizeof(struct crypto4xx_ctx);
crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
sizeof(struct crypto4xx_ctx));
sa = (struct dynamic_sa_ctl *) ctx->sa_in;
set_dynamic_sa_command_0(sa, SA_SAVE_HASH, SA_NOT_SAVE_IV,
SA_NOT_LOAD_HASH, SA_LOAD_IV_FROM_SA,
......
......@@ -22,6 +22,8 @@
#ifndef __CRYPTO4XX_CORE_H__
#define __CRYPTO4XX_CORE_H__
#include <crypto/internal/hash.h>
#define PPC460SX_SDR0_SRST 0x201
#define PPC405EX_SDR0_SRST 0x200
#define PPC460EX_SDR0_SRST 0x201
......@@ -138,14 +140,31 @@ struct crypto4xx_req_ctx {
u16 sa_len;
};
struct crypto4xx_alg_common {
u32 type;
union {
struct crypto_alg cipher;
struct ahash_alg hash;
} u;
};
struct crypto4xx_alg {
struct list_head entry;
struct crypto_alg alg;
struct crypto4xx_alg_common alg;
struct crypto4xx_device *dev;
};
#define crypto_alg_to_crypto4xx_alg(x) \
container_of(x, struct crypto4xx_alg, alg)
static inline struct crypto4xx_alg *crypto_alg_to_crypto4xx_alg(
struct crypto_alg *x)
{
switch (x->cra_flags & CRYPTO_ALG_TYPE_MASK) {
case CRYPTO_ALG_TYPE_AHASH:
return container_of(__crypto_ahash_alg(x),
struct crypto4xx_alg, alg.u.hash);
}
return container_of(x, struct crypto4xx_alg, alg.u.cipher);
}
extern int crypto4xx_alloc_sa(struct crypto4xx_ctx *ctx, u32 size);
extern void crypto4xx_free_sa(struct crypto4xx_ctx *ctx);
......
此差异已折叠。
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......@@ -57,6 +57,7 @@
#define TALITOS_CCCR_RESET 0x1 /* channel reset */
#define TALITOS_CCCR_LO(ch) (ch * TALITOS_CH_STRIDE + 0x110c)
#define TALITOS_CCCR_LO_IWSE 0x80 /* chan. ICCR writeback enab. */
#define TALITOS_CCCR_LO_EAE 0x20 /* extended address enable */
#define TALITOS_CCCR_LO_CDWE 0x10 /* chan. done writeback enab. */
#define TALITOS_CCCR_LO_NT 0x4 /* notification type */
#define TALITOS_CCCR_LO_CDIE 0x2 /* channel done IRQ enable */
......
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......@@ -7,6 +7,7 @@
#include <linux/crypto.h>
#include <linux/kernel.h>
#include <crypto/hash.h>
struct cryptd_ablkcipher {
struct crypto_ablkcipher base;
......@@ -24,4 +25,20 @@ struct cryptd_ablkcipher *cryptd_alloc_ablkcipher(const char *alg_name,
struct crypto_blkcipher *cryptd_ablkcipher_child(struct cryptd_ablkcipher *tfm);
void cryptd_free_ablkcipher(struct cryptd_ablkcipher *tfm);
struct cryptd_ahash {
struct crypto_ahash base;
};
static inline struct cryptd_ahash *__cryptd_ahash_cast(
struct crypto_ahash *tfm)
{
return (struct cryptd_ahash *)tfm;
}
/* alg_name should be algorithm to be cryptd-ed */
struct cryptd_ahash *cryptd_alloc_ahash(const char *alg_name,
u32 type, u32 mask);
struct crypto_shash *cryptd_ahash_child(struct cryptd_ahash *tfm);
void cryptd_free_ahash(struct cryptd_ahash *tfm);
#endif
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......@@ -5,6 +5,8 @@
#ifndef _CRYPTO_SHA_H
#define _CRYPTO_SHA_H
#include <linux/types.h>
#define SHA1_DIGEST_SIZE 20
#define SHA1_BLOCK_SIZE 64
......@@ -62,4 +64,22 @@
#define SHA512_H6 0x1f83d9abfb41bd6bULL
#define SHA512_H7 0x5be0cd19137e2179ULL
struct sha1_state {
u64 count;
u32 state[SHA1_DIGEST_SIZE / 4];
u8 buffer[SHA1_BLOCK_SIZE];
};
struct sha256_state {
u64 count;
u32 state[SHA256_DIGEST_SIZE / 4];
u8 buf[SHA256_BLOCK_SIZE];
};
struct sha512_state {
u64 count[2];
u64 state[SHA512_DIGEST_SIZE / 8];
u8 buf[SHA512_BLOCK_SIZE];
};
#endif
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此差异已折叠。
此差异已折叠。
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