forked from Mirrors/wine-wine
rsaenh: Use bcrypt for SHA265 hashes.
Signed-off-by: Jacek Caban <jacek@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>oldstable
parent
78a5d66003
commit
524c632a82
|
@ -12,7 +12,6 @@ C_SRCS = \
|
||||||
rc2.c \
|
rc2.c \
|
||||||
rc4.c \
|
rc4.c \
|
||||||
rsa.c \
|
rsa.c \
|
||||||
rsaenh.c \
|
rsaenh.c
|
||||||
sha2.c
|
|
||||||
|
|
||||||
RC_SRCS = rsrc.rc
|
RC_SRCS = rsrc.rc
|
||||||
|
|
|
@ -71,7 +71,7 @@ BOOL init_hash_impl(ALG_ID aiAlgid, HASH_CONTEXT *pHashContext)
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case CALG_SHA_256:
|
case CALG_SHA_256:
|
||||||
SHA256_Init(&pHashContext->sha256);
|
algid = BCRYPT_SHA256_ALGORITHM;
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case CALG_SHA_384:
|
case CALG_SHA_384:
|
||||||
|
@ -119,10 +119,6 @@ BOOL update_hash_impl(ALG_ID aiAlgid, HASH_CONTEXT *pHashContext, const BYTE *pb
|
||||||
A_SHAUpdate(&pHashContext->sha, pbData, dwDataLen);
|
A_SHAUpdate(&pHashContext->sha, pbData, dwDataLen);
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case CALG_SHA_256:
|
|
||||||
SHA256_Update(&pHashContext->sha256, pbData, dwDataLen);
|
|
||||||
break;
|
|
||||||
|
|
||||||
default:
|
default:
|
||||||
BCryptHashData(pHashContext->bcrypt_hash, (UCHAR*)pbData, dwDataLen, 0);
|
BCryptHashData(pHashContext->bcrypt_hash, (UCHAR*)pbData, dwDataLen, 0);
|
||||||
}
|
}
|
||||||
|
@ -152,10 +148,6 @@ BOOL finalize_hash_impl(ALG_ID aiAlgid, HASH_CONTEXT *pHashContext, BYTE *pbHash
|
||||||
A_SHAFinal(&pHashContext->sha, (PULONG)pbHashValue);
|
A_SHAFinal(&pHashContext->sha, (PULONG)pbHashValue);
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case CALG_SHA_256:
|
|
||||||
SHA256_Final(pbHashValue, &pHashContext->sha256);
|
|
||||||
break;
|
|
||||||
|
|
||||||
default:
|
default:
|
||||||
BCryptFinishHash(pHashContext->bcrypt_hash, pbHashValue, RSAENH_MAX_HASH_SIZE, 0);
|
BCryptFinishHash(pHashContext->bcrypt_hash, pbHashValue, RSAENH_MAX_HASH_SIZE, 0);
|
||||||
BCryptDestroyHash(pHashContext->bcrypt_hash);
|
BCryptDestroyHash(pHashContext->bcrypt_hash);
|
||||||
|
|
|
@ -26,7 +26,6 @@
|
||||||
|
|
||||||
#include "bcrypt.h"
|
#include "bcrypt.h"
|
||||||
#include "tomcrypt.h"
|
#include "tomcrypt.h"
|
||||||
#include "sha2.h"
|
|
||||||
|
|
||||||
#define RSAENH_MAX_HASH_SIZE 104
|
#define RSAENH_MAX_HASH_SIZE 104
|
||||||
|
|
||||||
|
@ -61,7 +60,6 @@ typedef union tagHASH_CONTEXT {
|
||||||
MD4_CTX md4;
|
MD4_CTX md4;
|
||||||
MD5_CTX md5;
|
MD5_CTX md5;
|
||||||
SHA_CTX sha;
|
SHA_CTX sha;
|
||||||
SHA256_CTX sha256;
|
|
||||||
BCRYPT_HASH_HANDLE bcrypt_hash;
|
BCRYPT_HASH_HANDLE bcrypt_hash;
|
||||||
} HASH_CONTEXT;
|
} HASH_CONTEXT;
|
||||||
|
|
||||||
|
|
|
@ -1,518 +0,0 @@
|
||||||
/*
|
|
||||||
* FILE: sha2.c
|
|
||||||
* AUTHOR: Aaron D. Gifford - http://www.aarongifford.com/
|
|
||||||
*
|
|
||||||
* Copyright (c) 2000-2001, Aaron D. Gifford
|
|
||||||
* All rights reserved.
|
|
||||||
*
|
|
||||||
* Redistribution and use in source and binary forms, with or without
|
|
||||||
* modification, are permitted provided that the following conditions
|
|
||||||
* are met:
|
|
||||||
* 1. Redistributions of source code must retain the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer.
|
|
||||||
* 2. Redistributions in binary form must reproduce the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer in the
|
|
||||||
* documentation and/or other materials provided with the distribution.
|
|
||||||
* 3. Neither the name of the copyright holder nor the names of contributors
|
|
||||||
* may be used to endorse or promote products derived from this software
|
|
||||||
* without specific prior written permission.
|
|
||||||
*
|
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
|
|
||||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
||||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
||||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
|
|
||||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
||||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
||||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
||||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
||||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
||||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
||||||
* SUCH DAMAGE.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include "config.h"
|
|
||||||
|
|
||||||
#include <string.h>
|
|
||||||
#include <assert.h>
|
|
||||||
#include "sha2.h"
|
|
||||||
|
|
||||||
/*
|
|
||||||
* ASSERT NOTE:
|
|
||||||
* Some sanity checking code is included using assert(). On my FreeBSD
|
|
||||||
* system, this additional code can be removed by compiling with NDEBUG
|
|
||||||
* defined. Check your own systems manpage on assert() to see how to
|
|
||||||
* compile WITHOUT the sanity checking code on your system.
|
|
||||||
*
|
|
||||||
* UNROLLED TRANSFORM LOOP NOTE:
|
|
||||||
* You can define SHA2_UNROLL_TRANSFORM to use the unrolled transform
|
|
||||||
* loop version for the hash transform rounds (defined using macros
|
|
||||||
* later in this file). Either define on the command line, for example:
|
|
||||||
*
|
|
||||||
* cc -DSHA2_UNROLL_TRANSFORM -o sha2 sha2.c sha2prog.c
|
|
||||||
*
|
|
||||||
* or define below:
|
|
||||||
*
|
|
||||||
* #define SHA2_UNROLL_TRANSFORM
|
|
||||||
*
|
|
||||||
*/
|
|
||||||
|
|
||||||
/*** SHA-256/384/512 Various Length Definitions ***********************/
|
|
||||||
/* NOTE: Most of these are in sha2.h */
|
|
||||||
#define SHA256_SHORT_BLOCK_LENGTH (SHA256_BLOCK_LENGTH - 8)
|
|
||||||
|
|
||||||
#define SHA2_WORD64_CONST(dw1, dw2) (((sha2_word64)(dw1) << 32) | (dw2))
|
|
||||||
|
|
||||||
/*** ENDIAN REVERSAL MACROS *******************************************/
|
|
||||||
#ifndef WORDS_BIGENDIAN
|
|
||||||
#define REVERSE32(w,x) { \
|
|
||||||
sha2_word32 tmp = (w); \
|
|
||||||
tmp = (tmp >> 16) | (tmp << 16); \
|
|
||||||
(x) = ((tmp & 0xff00ff00) >> 8) | ((tmp & 0x00ff00ff) << 8); \
|
|
||||||
}
|
|
||||||
#define REVERSE64(w,x) { \
|
|
||||||
sha2_word64 tmp = (w); \
|
|
||||||
tmp = (tmp >> 32) | (tmp << 32); \
|
|
||||||
tmp = ((tmp & SHA2_WORD64_CONST(0xff00ff00, 0xff00ff00)) >> 8) | \
|
|
||||||
((tmp & SHA2_WORD64_CONST(0x00ff00ff, 0x00ff00ff)) << 8); \
|
|
||||||
(x) = ((tmp & SHA2_WORD64_CONST(0xffff0000, 0xffff0000)) >> 16) | \
|
|
||||||
((tmp & SHA2_WORD64_CONST(0x0000ffff, 0x0000ffff)) << 16); \
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Macro for incrementally adding the unsigned 64-bit integer n to the
|
|
||||||
* unsigned 128-bit integer (represented using a two-element array of
|
|
||||||
* 64-bit words):
|
|
||||||
*/
|
|
||||||
#define ADDINC128(w,n) { \
|
|
||||||
(w)[0] += (sha2_word64)(n); \
|
|
||||||
if ((w)[0] < (n)) { \
|
|
||||||
(w)[1]++; \
|
|
||||||
} \
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Macros for copying blocks of memory and for zeroing out ranges
|
|
||||||
* of memory. Using these macros makes it easy to switch from
|
|
||||||
* using memset()/memcpy() and using bzero()/bcopy().
|
|
||||||
*
|
|
||||||
* Please define either SHA2_USE_MEMSET_MEMCPY or define
|
|
||||||
* SHA2_USE_BZERO_BCOPY depending on which function set you
|
|
||||||
* choose to use:
|
|
||||||
*/
|
|
||||||
#if !defined(SHA2_USE_MEMSET_MEMCPY) && !defined(SHA2_USE_BZERO_BCOPY)
|
|
||||||
/* Default to memset()/memcpy() if no option is specified */
|
|
||||||
#define SHA2_USE_MEMSET_MEMCPY 1
|
|
||||||
#endif
|
|
||||||
#if defined(SHA2_USE_MEMSET_MEMCPY) && defined(SHA2_USE_BZERO_BCOPY)
|
|
||||||
/* Abort with an error if BOTH options are defined */
|
|
||||||
#error Define either SHA2_USE_MEMSET_MEMCPY or SHA2_USE_BZERO_BCOPY, not both!
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef SHA2_USE_MEMSET_MEMCPY
|
|
||||||
#define MEMSET_BZERO(p,l) memset((p), 0, (l))
|
|
||||||
#define MEMCPY_BCOPY(d,s,l) memcpy((d), (s), (l))
|
|
||||||
#endif
|
|
||||||
#ifdef SHA2_USE_BZERO_BCOPY
|
|
||||||
#define MEMSET_BZERO(p,l) bzero((p), (l))
|
|
||||||
#define MEMCPY_BCOPY(d,s,l) bcopy((s), (d), (l))
|
|
||||||
#endif
|
|
||||||
|
|
||||||
|
|
||||||
/*** THE SIX LOGICAL FUNCTIONS ****************************************/
|
|
||||||
/*
|
|
||||||
* Bit shifting and rotation (used by the six SHA-XYZ logical functions:
|
|
||||||
*
|
|
||||||
* NOTE: The naming of R and S appears backwards here (R is a SHIFT and
|
|
||||||
* S is a ROTATION) because the SHA-256/384/512 description document
|
|
||||||
* (see http://csrc.nist.gov/cryptval/shs/sha256-384-512.pdf) uses this
|
|
||||||
* same "backwards" definition.
|
|
||||||
*/
|
|
||||||
/* Shift-right (used in SHA-256, SHA-384, and SHA-512): */
|
|
||||||
#define R(b,x) ((x) >> (b))
|
|
||||||
/* 32-bit Rotate-right (used in SHA-256): */
|
|
||||||
#define S32(b,x) (((x) >> (b)) | ((x) << (32 - (b))))
|
|
||||||
|
|
||||||
/* Two of six logical functions used in SHA-256, SHA-384, and SHA-512: */
|
|
||||||
#define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
|
|
||||||
#define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
|
|
||||||
|
|
||||||
/* Four of six logical functions used in SHA-256: */
|
|
||||||
#define Sigma0_256(x) (S32(2, (x)) ^ S32(13, (x)) ^ S32(22, (x)))
|
|
||||||
#define Sigma1_256(x) (S32(6, (x)) ^ S32(11, (x)) ^ S32(25, (x)))
|
|
||||||
#define sigma0_256(x) (S32(7, (x)) ^ S32(18, (x)) ^ R(3 , (x)))
|
|
||||||
#define sigma1_256(x) (S32(17, (x)) ^ S32(19, (x)) ^ R(10, (x)))
|
|
||||||
|
|
||||||
/*** INTERNAL FUNCTION PROTOTYPES *************************************/
|
|
||||||
/* NOTE: These should not be accessed directly from outside this
|
|
||||||
* library -- they are intended for private internal visibility/use
|
|
||||||
* only.
|
|
||||||
*/
|
|
||||||
|
|
||||||
|
|
||||||
/*** SHA-XYZ INITIAL HASH VALUES AND CONSTANTS ************************/
|
|
||||||
/* Hash constant words K for SHA-256: */
|
|
||||||
static const sha2_word32 K256[64] = {
|
|
||||||
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
|
|
||||||
0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
|
|
||||||
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
|
|
||||||
0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
|
|
||||||
0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
|
|
||||||
0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
|
|
||||||
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
|
|
||||||
0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
|
|
||||||
0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
|
|
||||||
0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
|
|
||||||
0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
|
|
||||||
0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
|
|
||||||
0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
|
|
||||||
0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
|
|
||||||
0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
|
|
||||||
0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
|
|
||||||
};
|
|
||||||
|
|
||||||
/* Initial hash value H for SHA-256: */
|
|
||||||
static const sha2_word32 sha256_initial_hash_value[8] = {
|
|
||||||
0x6a09e667,
|
|
||||||
0xbb67ae85,
|
|
||||||
0x3c6ef372,
|
|
||||||
0xa54ff53a,
|
|
||||||
0x510e527f,
|
|
||||||
0x9b05688c,
|
|
||||||
0x1f83d9ab,
|
|
||||||
0x5be0cd19
|
|
||||||
};
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Constant used by SHA256/384/512_End() functions for converting the
|
|
||||||
* digest to a readable hexadecimal character string:
|
|
||||||
*/
|
|
||||||
static const char sha2_hex_digits[] = "0123456789abcdef";
|
|
||||||
|
|
||||||
|
|
||||||
/*** SHA-256: *********************************************************/
|
|
||||||
void SHA256_Init(SHA256_CTX* context) {
|
|
||||||
if (context == NULL) {
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
MEMCPY_BCOPY(context->state, sha256_initial_hash_value, SHA256_DIGEST_LENGTH);
|
|
||||||
MEMSET_BZERO(context->buffer, SHA256_BLOCK_LENGTH);
|
|
||||||
context->bitcount = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifdef SHA2_UNROLL_TRANSFORM
|
|
||||||
|
|
||||||
/* Unrolled SHA-256 round macros: */
|
|
||||||
|
|
||||||
#ifndef WORDS_BIGENDIAN
|
|
||||||
|
|
||||||
#define ROUND256_0_TO_15(a,b,c,d,e,f,g,h) \
|
|
||||||
REVERSE32(*data++, W256[j]); \
|
|
||||||
T1 = (h) + Sigma1_256(e) + Ch((e), (f), (g)) + \
|
|
||||||
K256[j] + W256[j]; \
|
|
||||||
(d) += T1; \
|
|
||||||
(h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
|
|
||||||
j++
|
|
||||||
|
|
||||||
|
|
||||||
#else
|
|
||||||
|
|
||||||
#define ROUND256_0_TO_15(a,b,c,d,e,f,g,h) \
|
|
||||||
T1 = (h) + Sigma1_256(e) + Ch((e), (f), (g)) + \
|
|
||||||
K256[j] + (W256[j] = *data++); \
|
|
||||||
(d) += T1; \
|
|
||||||
(h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
|
|
||||||
j++
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#define ROUND256(a,b,c,d,e,f,g,h) \
|
|
||||||
s0 = W256[(j+1)&0x0f]; \
|
|
||||||
s0 = sigma0_256(s0); \
|
|
||||||
s1 = W256[(j+14)&0x0f]; \
|
|
||||||
s1 = sigma1_256(s1); \
|
|
||||||
T1 = (h) + Sigma1_256(e) + Ch((e), (f), (g)) + K256[j] + \
|
|
||||||
(W256[j&0x0f] += s1 + W256[(j+9)&0x0f] + s0); \
|
|
||||||
(d) += T1; \
|
|
||||||
(h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
|
|
||||||
j++
|
|
||||||
|
|
||||||
void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
|
|
||||||
sha2_word32 a, b, c, d, e, f, g, h, s0, s1;
|
|
||||||
sha2_word32 T1, *W256;
|
|
||||||
int j;
|
|
||||||
|
|
||||||
W256 = (sha2_word32*)context->buffer;
|
|
||||||
|
|
||||||
/* Initialize registers with the prev. intermediate value */
|
|
||||||
a = context->state[0];
|
|
||||||
b = context->state[1];
|
|
||||||
c = context->state[2];
|
|
||||||
d = context->state[3];
|
|
||||||
e = context->state[4];
|
|
||||||
f = context->state[5];
|
|
||||||
g = context->state[6];
|
|
||||||
h = context->state[7];
|
|
||||||
|
|
||||||
j = 0;
|
|
||||||
do {
|
|
||||||
/* Rounds 0 to 15 (unrolled): */
|
|
||||||
ROUND256_0_TO_15(a,b,c,d,e,f,g,h);
|
|
||||||
ROUND256_0_TO_15(h,a,b,c,d,e,f,g);
|
|
||||||
ROUND256_0_TO_15(g,h,a,b,c,d,e,f);
|
|
||||||
ROUND256_0_TO_15(f,g,h,a,b,c,d,e);
|
|
||||||
ROUND256_0_TO_15(e,f,g,h,a,b,c,d);
|
|
||||||
ROUND256_0_TO_15(d,e,f,g,h,a,b,c);
|
|
||||||
ROUND256_0_TO_15(c,d,e,f,g,h,a,b);
|
|
||||||
ROUND256_0_TO_15(b,c,d,e,f,g,h,a);
|
|
||||||
} while (j < 16);
|
|
||||||
|
|
||||||
/* Now for the remaining rounds to 64: */
|
|
||||||
do {
|
|
||||||
ROUND256(a,b,c,d,e,f,g,h);
|
|
||||||
ROUND256(h,a,b,c,d,e,f,g);
|
|
||||||
ROUND256(g,h,a,b,c,d,e,f);
|
|
||||||
ROUND256(f,g,h,a,b,c,d,e);
|
|
||||||
ROUND256(e,f,g,h,a,b,c,d);
|
|
||||||
ROUND256(d,e,f,g,h,a,b,c);
|
|
||||||
ROUND256(c,d,e,f,g,h,a,b);
|
|
||||||
ROUND256(b,c,d,e,f,g,h,a);
|
|
||||||
} while (j < 64);
|
|
||||||
|
|
||||||
/* Compute the current intermediate hash value */
|
|
||||||
context->state[0] += a;
|
|
||||||
context->state[1] += b;
|
|
||||||
context->state[2] += c;
|
|
||||||
context->state[3] += d;
|
|
||||||
context->state[4] += e;
|
|
||||||
context->state[5] += f;
|
|
||||||
context->state[6] += g;
|
|
||||||
context->state[7] += h;
|
|
||||||
|
|
||||||
/* Clean up */
|
|
||||||
a = b = c = d = e = f = g = h = T1 = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
#else /* SHA2_UNROLL_TRANSFORM */
|
|
||||||
|
|
||||||
void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
|
|
||||||
sha2_word32 a, b, c, d, e, f, g, h, s0, s1;
|
|
||||||
sha2_word32 T1, T2, *W256;
|
|
||||||
int j;
|
|
||||||
|
|
||||||
W256 = (sha2_word32*)context->buffer;
|
|
||||||
|
|
||||||
/* Initialize registers with the prev. intermediate value */
|
|
||||||
a = context->state[0];
|
|
||||||
b = context->state[1];
|
|
||||||
c = context->state[2];
|
|
||||||
d = context->state[3];
|
|
||||||
e = context->state[4];
|
|
||||||
f = context->state[5];
|
|
||||||
g = context->state[6];
|
|
||||||
h = context->state[7];
|
|
||||||
|
|
||||||
j = 0;
|
|
||||||
do {
|
|
||||||
#ifndef WORDS_BIGENDIAN
|
|
||||||
/* Copy data while converting to host byte order */
|
|
||||||
REVERSE32(*data++,W256[j]);
|
|
||||||
/* Apply the SHA-256 compression function to update a..h */
|
|
||||||
T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] + W256[j];
|
|
||||||
#else
|
|
||||||
/* Apply the SHA-256 compression function to update a..h with copy */
|
|
||||||
T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] + (W256[j] = *data++);
|
|
||||||
#endif
|
|
||||||
T2 = Sigma0_256(a) + Maj(a, b, c);
|
|
||||||
h = g;
|
|
||||||
g = f;
|
|
||||||
f = e;
|
|
||||||
e = d + T1;
|
|
||||||
d = c;
|
|
||||||
c = b;
|
|
||||||
b = a;
|
|
||||||
a = T1 + T2;
|
|
||||||
|
|
||||||
j++;
|
|
||||||
} while (j < 16);
|
|
||||||
|
|
||||||
do {
|
|
||||||
/* Part of the message block expansion: */
|
|
||||||
s0 = W256[(j+1)&0x0f];
|
|
||||||
s0 = sigma0_256(s0);
|
|
||||||
s1 = W256[(j+14)&0x0f];
|
|
||||||
s1 = sigma1_256(s1);
|
|
||||||
|
|
||||||
/* Apply the SHA-256 compression function to update a..h */
|
|
||||||
T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] +
|
|
||||||
(W256[j&0x0f] += s1 + W256[(j+9)&0x0f] + s0);
|
|
||||||
T2 = Sigma0_256(a) + Maj(a, b, c);
|
|
||||||
h = g;
|
|
||||||
g = f;
|
|
||||||
f = e;
|
|
||||||
e = d + T1;
|
|
||||||
d = c;
|
|
||||||
c = b;
|
|
||||||
b = a;
|
|
||||||
a = T1 + T2;
|
|
||||||
|
|
||||||
j++;
|
|
||||||
} while (j < 64);
|
|
||||||
|
|
||||||
/* Compute the current intermediate hash value */
|
|
||||||
context->state[0] += a;
|
|
||||||
context->state[1] += b;
|
|
||||||
context->state[2] += c;
|
|
||||||
context->state[3] += d;
|
|
||||||
context->state[4] += e;
|
|
||||||
context->state[5] += f;
|
|
||||||
context->state[6] += g;
|
|
||||||
context->state[7] += h;
|
|
||||||
|
|
||||||
/* Clean up */
|
|
||||||
a = b = c = d = e = f = g = h = T1 = T2 = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif /* SHA2_UNROLL_TRANSFORM */
|
|
||||||
|
|
||||||
void SHA256_Update(SHA256_CTX* context, const sha2_byte *data, size_t len) {
|
|
||||||
unsigned int freespace, usedspace;
|
|
||||||
|
|
||||||
if (len == 0) {
|
|
||||||
/* Calling with no data is valid - we do nothing */
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Sanity check: */
|
|
||||||
assert(context != NULL && data != NULL);
|
|
||||||
|
|
||||||
usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH;
|
|
||||||
if (usedspace > 0) {
|
|
||||||
/* Calculate how much free space is available in the buffer */
|
|
||||||
freespace = SHA256_BLOCK_LENGTH - usedspace;
|
|
||||||
|
|
||||||
if (len >= freespace) {
|
|
||||||
/* Fill the buffer completely and process it */
|
|
||||||
MEMCPY_BCOPY(&context->buffer[usedspace], data, freespace);
|
|
||||||
context->bitcount += freespace << 3;
|
|
||||||
len -= freespace;
|
|
||||||
data += freespace;
|
|
||||||
SHA256_Transform(context, (sha2_word32*)context->buffer);
|
|
||||||
} else {
|
|
||||||
/* The buffer is not yet full */
|
|
||||||
MEMCPY_BCOPY(&context->buffer[usedspace], data, len);
|
|
||||||
context->bitcount += len << 3;
|
|
||||||
/* Clean up: */
|
|
||||||
usedspace = freespace = 0;
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
while (len >= SHA256_BLOCK_LENGTH) {
|
|
||||||
/* Process as many complete blocks as we can */
|
|
||||||
SHA256_Transform(context, (const sha2_word32*)data);
|
|
||||||
context->bitcount += SHA256_BLOCK_LENGTH << 3;
|
|
||||||
len -= SHA256_BLOCK_LENGTH;
|
|
||||||
data += SHA256_BLOCK_LENGTH;
|
|
||||||
}
|
|
||||||
if (len > 0) {
|
|
||||||
/* There's left-overs, so save 'em */
|
|
||||||
MEMCPY_BCOPY(context->buffer, data, len);
|
|
||||||
context->bitcount += len << 3;
|
|
||||||
}
|
|
||||||
/* Clean up: */
|
|
||||||
usedspace = freespace = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
void SHA256_Final(sha2_byte digest[], SHA256_CTX* context) {
|
|
||||||
sha2_word32 *d = (sha2_word32*)digest;
|
|
||||||
unsigned int usedspace;
|
|
||||||
|
|
||||||
/* Sanity check: */
|
|
||||||
assert(context != NULL);
|
|
||||||
|
|
||||||
/* If no digest buffer is passed, we don't bother doing this: */
|
|
||||||
if (digest != NULL) {
|
|
||||||
usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH;
|
|
||||||
#ifndef WORDS_BIGENDIAN
|
|
||||||
/* Convert FROM host byte order */
|
|
||||||
REVERSE64(context->bitcount,context->bitcount);
|
|
||||||
#endif
|
|
||||||
if (usedspace > 0) {
|
|
||||||
/* Begin padding with a 1 bit: */
|
|
||||||
context->buffer[usedspace++] = 0x80;
|
|
||||||
|
|
||||||
if (usedspace <= SHA256_SHORT_BLOCK_LENGTH) {
|
|
||||||
/* Set-up for the last transform: */
|
|
||||||
MEMSET_BZERO(&context->buffer[usedspace], SHA256_SHORT_BLOCK_LENGTH - usedspace);
|
|
||||||
} else {
|
|
||||||
if (usedspace < SHA256_BLOCK_LENGTH) {
|
|
||||||
MEMSET_BZERO(&context->buffer[usedspace], SHA256_BLOCK_LENGTH - usedspace);
|
|
||||||
}
|
|
||||||
/* Do second-to-last transform: */
|
|
||||||
SHA256_Transform(context, (sha2_word32*)context->buffer);
|
|
||||||
|
|
||||||
/* And set-up for the last transform: */
|
|
||||||
MEMSET_BZERO(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
/* Set-up for the last transform: */
|
|
||||||
MEMSET_BZERO(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
|
|
||||||
|
|
||||||
/* Begin padding with a 1 bit: */
|
|
||||||
*context->buffer = 0x80;
|
|
||||||
}
|
|
||||||
/* Set the bit count: */
|
|
||||||
*(sha2_word64*)&context->buffer[SHA256_SHORT_BLOCK_LENGTH] = context->bitcount;
|
|
||||||
|
|
||||||
/* Final transform: */
|
|
||||||
SHA256_Transform(context, (sha2_word32*)context->buffer);
|
|
||||||
|
|
||||||
#ifndef WORDS_BIGENDIAN
|
|
||||||
{
|
|
||||||
/* Convert TO host byte order */
|
|
||||||
int j;
|
|
||||||
for (j = 0; j < 8; j++) {
|
|
||||||
REVERSE32(context->state[j],context->state[j]);
|
|
||||||
*d++ = context->state[j];
|
|
||||||
}
|
|
||||||
}
|
|
||||||
#else
|
|
||||||
MEMCPY_BCOPY(d, context->state, SHA256_DIGEST_LENGTH);
|
|
||||||
#endif
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Clean up state data: */
|
|
||||||
MEMSET_BZERO(context, sizeof(*context));
|
|
||||||
usedspace = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
char *SHA256_End(SHA256_CTX* context, char buffer[]) {
|
|
||||||
sha2_byte digest[SHA256_DIGEST_LENGTH], *d = digest;
|
|
||||||
int i;
|
|
||||||
|
|
||||||
/* Sanity check: */
|
|
||||||
assert(context != NULL);
|
|
||||||
|
|
||||||
if (buffer != NULL) {
|
|
||||||
SHA256_Final(digest, context);
|
|
||||||
|
|
||||||
for (i = 0; i < SHA256_DIGEST_LENGTH; i++) {
|
|
||||||
*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
|
|
||||||
*buffer++ = sha2_hex_digits[*d & 0x0f];
|
|
||||||
d++;
|
|
||||||
}
|
|
||||||
*buffer = 0;
|
|
||||||
} else {
|
|
||||||
MEMSET_BZERO(context, sizeof(*context));
|
|
||||||
}
|
|
||||||
MEMSET_BZERO(digest, SHA256_DIGEST_LENGTH);
|
|
||||||
return buffer;
|
|
||||||
}
|
|
||||||
|
|
||||||
char* SHA256_Data(const sha2_byte* data, size_t len, char digest[SHA256_DIGEST_STRING_LENGTH]) {
|
|
||||||
SHA256_CTX context;
|
|
||||||
|
|
||||||
SHA256_Init(&context);
|
|
||||||
SHA256_Update(&context, data, len);
|
|
||||||
return SHA256_End(&context, digest);
|
|
||||||
}
|
|
|
@ -1,64 +0,0 @@
|
||||||
/*
|
|
||||||
* FILE: sha2.h
|
|
||||||
* AUTHOR: Aaron D. Gifford - http://www.aarongifford.com/
|
|
||||||
*
|
|
||||||
* Copyright (c) 2000-2001, Aaron D. Gifford
|
|
||||||
* All rights reserved.
|
|
||||||
*
|
|
||||||
* Redistribution and use in source and binary forms, with or without
|
|
||||||
* modification, are permitted provided that the following conditions
|
|
||||||
* are met:
|
|
||||||
* 1. Redistributions of source code must retain the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer.
|
|
||||||
* 2. Redistributions in binary form must reproduce the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer in the
|
|
||||||
* documentation and/or other materials provided with the distribution.
|
|
||||||
* 3. Neither the name of the copyright holder nor the names of contributors
|
|
||||||
* may be used to endorse or promote products derived from this software
|
|
||||||
* without specific prior written permission.
|
|
||||||
*
|
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
|
|
||||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
||||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
||||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
|
|
||||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
||||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
||||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
||||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
||||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
||||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
||||||
* SUCH DAMAGE.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#ifndef __SHA2_H__
|
|
||||||
#define __SHA2_H__
|
|
||||||
|
|
||||||
#include <basetsd.h>
|
|
||||||
|
|
||||||
/*** SHA-256/384/512 Various Length Definitions ***********************/
|
|
||||||
#define SHA256_BLOCK_LENGTH 64
|
|
||||||
#define SHA256_DIGEST_LENGTH 32
|
|
||||||
#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
|
|
||||||
|
|
||||||
|
|
||||||
/*** SHA-256/384/512 Context Structures *******************************/
|
|
||||||
typedef UINT8 sha2_byte; /* Exactly 1 byte */
|
|
||||||
typedef UINT32 sha2_word32; /* Exactly 4 bytes */
|
|
||||||
typedef UINT64 sha2_word64; /* Exactly 8 bytes */
|
|
||||||
|
|
||||||
typedef struct _SHA256_CTX {
|
|
||||||
sha2_word32 state[8];
|
|
||||||
sha2_word64 bitcount;
|
|
||||||
sha2_byte buffer[SHA256_BLOCK_LENGTH];
|
|
||||||
} SHA256_CTX;
|
|
||||||
|
|
||||||
|
|
||||||
/*** SHA-256/384/512 Function Prototypes ******************************/
|
|
||||||
|
|
||||||
void SHA256_Init(SHA256_CTX *);
|
|
||||||
void SHA256_Update(SHA256_CTX*, const sha2_byte*, size_t);
|
|
||||||
void SHA256_Final(sha2_byte[SHA256_DIGEST_LENGTH], SHA256_CTX*);
|
|
||||||
char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
|
|
||||||
char* SHA256_Data(const sha2_byte*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
|
|
||||||
|
|
||||||
#endif /* __SHA2_H__ */
|
|
Loading…
Reference in New Issue