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提交 ef3e7468 编写于 作者: B Bartlomiej Zolnierkiewicz 提交者： Greg Kroah-Hartman
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Staging: rt28x0: remove unused SHA256 code 

Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
上级 46ff6239
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drivers/staging/rt2860/common/crypt_sha2.c
浏览文件 @ ef3e7468
......@@ -47,42 +47,7 @@ static const UINT32 SHA1_K[4] = {
static const UINT32 SHA1_DefaultHashValue[5] = {
0x67452301UL, 0xefcdab89UL, 0x98badcfeUL, 0x10325476UL, 0xc3d2e1f0UL
};
#endif /* SHA1_SUPPORT */
#ifdef SHA256_SUPPORT
/* SHA256 functions */
#define Zsigma_256_0(x) (ROTR32(x,2) ^ ROTR32(x,13) ^ ROTR32(x,22))
#define Zsigma_256_1(x) (ROTR32(x,6) ^ ROTR32(x,11) ^ ROTR32(x,25))
#define Sigma_256_0(x) (ROTR32(x,7) ^ ROTR32(x,18) ^ SHR(x,3))
#define Sigma_256_1(x) (ROTR32(x,17) ^ ROTR32(x,19) ^ SHR(x,10))
/* SHA256 constants */
static const UINT32 SHA256_K[64] = {
0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL,
0x3956c25bUL, 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL,
0xd807aa98UL, 0x12835b01UL, 0x243185beUL, 0x550c7dc3UL,
0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL, 0xc19bf174UL,
0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL,
0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL,
0x983e5152UL, 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL,
0xc6e00bf3UL, 0xd5a79147UL, 0x06ca6351UL, 0x14292967UL,
0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL, 0x53380d13UL,
0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL,
0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL,
0xd192e819UL, 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL,
0x19a4c116UL, 0x1e376c08UL, 0x2748774cUL, 0x34b0bcb5UL,
0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL, 0x682e6ff3UL,
0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
};
static const UINT32 SHA256_DefaultHashValue[8] = {
0x6a09e667UL, 0xbb67ae85UL, 0x3c6ef372UL, 0xa54ff53aUL,
0x510e527fUL, 0x9b05688cUL, 0x1f83d9abUL, 0x5be0cd19UL
};
#endif /* SHA256_SUPPORT */
#ifdef SHA1_SUPPORT
/*
========================================================================
Routine Description:
......@@ -310,226 +275,4 @@ VOID RT_SHA1 (
} /* End of RT_SHA1 */
#endif /* SHA1_SUPPORT */
#ifdef SHA256_SUPPORT
/*
========================================================================
Routine Description:
Initial SHA256_CTX_STRUC
Arguments:
pSHA_CTX Pointer to SHA256_CTX_STRUC
Return Value:
None
Note:
None
========================================================================
*/
VOID SHA256_Init (
IN SHA256_CTX_STRUC *pSHA_CTX)
{
NdisMoveMemory(pSHA_CTX->HashValue, SHA256_DefaultHashValue,
sizeof(SHA256_DefaultHashValue));
NdisZeroMemory(pSHA_CTX->Block, SHA256_BLOCK_SIZE);
pSHA_CTX->MessageLen = 0;
pSHA_CTX->BlockLen = 0;
} /* End of SHA256_Init */
/*
========================================================================
Routine Description:
SHA256 computation for one block (512 bits)
Arguments:
pSHA_CTX Pointer to SHA256_CTX_STRUC
Return Value:
None
Note:
None
========================================================================
*/
VOID SHA256_Hash (
IN SHA256_CTX_STRUC *pSHA_CTX)
{
UINT32 W_i,t;
UINT32 W[64];
UINT32 a,b,c,d,e,f,g,h,T1,T2;
/* Prepare the message schedule, {W_i}, 0 < t < 15 */
NdisMoveMemory(W, pSHA_CTX->Block, SHA256_BLOCK_SIZE);
for (W_i = 0; W_i < 16; W_i++)
W[W_i] = cpu2be32(W[W_i]); /* Endian Swap */
/* End of for */
/* SHA256 hash computation */
/* Initialize the working variables */
a = pSHA_CTX->HashValue[0];
b = pSHA_CTX->HashValue[1];
c = pSHA_CTX->HashValue[2];
d = pSHA_CTX->HashValue[3];
e = pSHA_CTX->HashValue[4];
f = pSHA_CTX->HashValue[5];
g = pSHA_CTX->HashValue[6];
h = pSHA_CTX->HashValue[7];
/* 64 rounds */
for (t = 0;t < 64;t++) {
if (t > 15) /* Prepare the message schedule, {W_i}, 16 < t < 63 */
W[t] = Sigma_256_1(W[t-2]) + W[t-7] + Sigma_256_0(W[t-15]) + W[t-16];
/* End of if */
T1 = h + Zsigma_256_1(e) + Ch(e,f,g) + SHA256_K[t] + W[t];
T2 = Zsigma_256_0(a) + Maj(a,b,c);
h = g;
g = f;
f = e;
e = d + T1;
d = c;
c = b;
b = a;
a = T1 + T2;
} /* End of for */
/* Compute the i^th intermediate hash value H^(i) */
pSHA_CTX->HashValue[0] += a;
pSHA_CTX->HashValue[1] += b;
pSHA_CTX->HashValue[2] += c;
pSHA_CTX->HashValue[3] += d;
pSHA_CTX->HashValue[4] += e;
pSHA_CTX->HashValue[5] += f;
pSHA_CTX->HashValue[6] += g;
pSHA_CTX->HashValue[7] += h;
NdisZeroMemory(pSHA_CTX->Block, SHA256_BLOCK_SIZE);
pSHA_CTX->BlockLen = 0;
} /* End of SHA256_Hash */
/*
========================================================================
Routine Description:
The message is appended to block. If block size > 64 bytes, the SHA256_Hash
will be called.
Arguments:
pSHA_CTX Pointer to SHA256_CTX_STRUC
message Message context
messageLen The length of message in bytes
Return Value:
None
Note:
None
========================================================================
*/
VOID SHA256_Append (
IN SHA256_CTX_STRUC *pSHA_CTX,
IN const UINT8 Message[],
IN UINT MessageLen)
{
UINT appendLen = 0;
UINT diffLen = 0;
while (appendLen != MessageLen) {
diffLen = MessageLen - appendLen;
if ((pSHA_CTX->BlockLen + diffLen) < SHA256_BLOCK_SIZE) {
NdisMoveMemory(pSHA_CTX->Block + pSHA_CTX->BlockLen,
Message + appendLen, diffLen);
pSHA_CTX->BlockLen += diffLen;
appendLen += diffLen;
}
else
{
NdisMoveMemory(pSHA_CTX->Block + pSHA_CTX->BlockLen,
Message + appendLen, SHA256_BLOCK_SIZE - pSHA_CTX->BlockLen);
appendLen += (SHA256_BLOCK_SIZE - pSHA_CTX->BlockLen);
pSHA_CTX->BlockLen = SHA256_BLOCK_SIZE;
SHA256_Hash(pSHA_CTX);
} /* End of if */
} /* End of while */
pSHA_CTX->MessageLen += MessageLen;
} /* End of SHA256_Append */
/*
========================================================================
Routine Description:
1. Append bit 1 to end of the message
2. Append the length of message in rightmost 64 bits
3. Transform the Hash Value to digest message
Arguments:
pSHA_CTX Pointer to SHA256_CTX_STRUC
Return Value:
digestMessage Digest message
Note:
None
========================================================================
*/
VOID SHA256_End (
IN SHA256_CTX_STRUC *pSHA_CTX,
OUT UINT8 DigestMessage[])
{
UINT index;
UINT64 message_length_bits;
/* Append bit 1 to end of the message */
NdisFillMemory(pSHA_CTX->Block + pSHA_CTX->BlockLen, 1, 0x80);
/* 55 = 64 - 8 - 1: append 1 bit(1 byte) and message length (8 bytes) */
if (pSHA_CTX->BlockLen > 55)
SHA256_Hash(pSHA_CTX);
/* End of if */
/* Append the length of message in rightmost 64 bits */
message_length_bits = pSHA_CTX->MessageLen*8;
message_length_bits = cpu2be64(message_length_bits);
NdisMoveMemory(&pSHA_CTX->Block[56], &message_length_bits, 8);
SHA256_Hash(pSHA_CTX);
/* Return message digest, transform the UINT32 hash value to bytes */
for (index = 0; index < 8;index++)
pSHA_CTX->HashValue[index] = cpu2be32(pSHA_CTX->HashValue[index]);
/* End of for */
NdisMoveMemory(DigestMessage, pSHA_CTX->HashValue, SHA256_DIGEST_SIZE);
} /* End of SHA256_End */
/*
========================================================================
Routine Description:
SHA256 algorithm
Arguments:
message Message context
messageLen The length of message in bytes
Return Value:
digestMessage Digest message
Note:
None
========================================================================
*/
VOID RT_SHA256 (
IN const UINT8 Message[],
IN UINT MessageLen,
OUT UINT8 DigestMessage[])
{
SHA256_CTX_STRUC sha_ctx;
NdisZeroMemory(&sha_ctx, sizeof(SHA256_CTX_STRUC));
SHA256_Init(&sha_ctx);
SHA256_Append(&sha_ctx, Message, MessageLen);
SHA256_End(&sha_ctx, DigestMessage);
} /* End of RT_SHA256 */
#endif /* SHA256_SUPPORT */
/* End of crypt_sha2.c */
drivers/staging/rt2860/crypt_hmac.h
浏览文件 @ ef3e7468
......@@ -57,17 +57,6 @@ VOID HMAC_SHA1 (
IN UINT MACLen);
#endif /* SHA1_SUPPORT */
#ifdef SHA256_SUPPORT
#define HMAC_SHA256_SUPPORT
VOID HMAC_SHA256 (
IN const UINT8 Key[],
IN UINT KeyLen,
IN const UINT8 Message[],
IN UINT MessageLen,
OUT UINT8 MAC[],
IN UINT MACLen);
#endif /* SHA256_SUPPORT */
#ifdef MD5_SUPPORT
#define HMAC_MD5_SUPPORT
VOID HMAC_MD5 (
......
drivers/staging/rt2860/crypt_sha2.h
浏览文件 @ ef3e7468
......@@ -50,7 +50,6 @@
/* Algorithm options */
#define SHA1_SUPPORT
#define SHA256_SUPPORT
#ifdef SHA1_SUPPORT
#define SHA1_BLOCK_SIZE 64 /* 512 bits = 64 bytes */
......@@ -79,31 +78,4 @@ VOID RT_SHA1 (
OUT UINT8 DigestMessage[]);
#endif /* SHA1_SUPPORT */
#ifdef SHA256_SUPPORT
#define SHA256_BLOCK_SIZE 64 /* 512 bits = 64 bytes */
#define SHA256_DIGEST_SIZE 32 /* 256 bits = 32 bytes */
typedef struct _SHA256_CTX_STRUC {
UINT32 HashValue[8]; /* 8 = (SHA256_DIGEST_SIZE / 32) */
UINT64 MessageLen; /* total size */
UINT8 Block[SHA256_BLOCK_SIZE];
UINT BlockLen;
} SHA256_CTX_STRUC, *PSHA256_CTX_STRUC;
VOID SHA256_Init (
IN SHA256_CTX_STRUC *pSHA_CTX);
VOID SHA256_Hash (
IN SHA256_CTX_STRUC *pSHA_CTX);
VOID SHA256_Append (
IN SHA256_CTX_STRUC *pSHA_CTX,
IN const UINT8 Message[],
IN UINT MessageLen);
VOID SHA256_End (
IN SHA256_CTX_STRUC *pSHA_CTX,
OUT UINT8 DigestMessage[]);
VOID RT_SHA256 (
IN const UINT8 Message[],
IN UINT MessageLen,
OUT UINT8 DigestMessage[]);
#endif /* SHA256_SUPPORT */
#endif /* __CRYPT_SHA2_H__ */
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