提交 6238cbae 编写于 作者: S Steffen Klassert 提交者: Herbert Xu

crypto: Add userspace report for ahash type algorithms

Signed-off-by: NSteffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>
上级 f4d663ce
......@@ -21,6 +21,8 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/seq_file.h>
#include <linux/cryptouser.h>
#include <net/netlink.h>
#include "internal.h"
......@@ -397,6 +399,24 @@ static unsigned int crypto_ahash_extsize(struct crypto_alg *alg)
return sizeof(struct crypto_shash *);
}
static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_hash rhash;
snprintf(rhash.type, CRYPTO_MAX_ALG_NAME, "%s", "ahash");
rhash.blocksize = alg->cra_blocksize;
rhash.digestsize = __crypto_hash_alg_common(alg)->digestsize;
NLA_PUT(skb, CRYPTOCFGA_REPORT_HASH,
sizeof(struct crypto_report_hash), &rhash);
return 0;
nla_put_failure:
return -EMSGSIZE;
}
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)
......@@ -415,6 +435,7 @@ const struct crypto_type crypto_ahash_type = {
#ifdef CONFIG_PROC_FS
.show = crypto_ahash_show,
#endif
.report = crypto_ahash_report,
.maskclear = ~CRYPTO_ALG_TYPE_MASK,
.maskset = CRYPTO_ALG_TYPE_AHASH_MASK,
.type = CRYPTO_ALG_TYPE_AHASH,
......
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