diff --git a/dlls/rsaenh/Makefile.in b/dlls/rsaenh/Makefile.in index 0fdae10065c..c9cb0072e5a 100644 --- a/dlls/rsaenh/Makefile.in +++ b/dlls/rsaenh/Makefile.in @@ -12,7 +12,6 @@ C_SRCS = \ rc2.c \ rc4.c \ rsa.c \ - rsaenh.c \ - sha2.c + rsaenh.c RC_SRCS = rsrc.rc diff --git a/dlls/rsaenh/implglue.c b/dlls/rsaenh/implglue.c index 235c3b2379f..4ac27671de1 100644 --- a/dlls/rsaenh/implglue.c +++ b/dlls/rsaenh/implglue.c @@ -71,7 +71,7 @@ BOOL init_hash_impl(ALG_ID aiAlgid, HASH_CONTEXT *pHashContext) break; case CALG_SHA_256: - SHA256_Init(&pHashContext->sha256); + algid = BCRYPT_SHA256_ALGORITHM; break; 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); break; - case CALG_SHA_256: - SHA256_Update(&pHashContext->sha256, pbData, dwDataLen); - break; - default: 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); break; - case CALG_SHA_256: - SHA256_Final(pbHashValue, &pHashContext->sha256); - break; - default: BCryptFinishHash(pHashContext->bcrypt_hash, pbHashValue, RSAENH_MAX_HASH_SIZE, 0); BCryptDestroyHash(pHashContext->bcrypt_hash); diff --git a/dlls/rsaenh/implglue.h b/dlls/rsaenh/implglue.h index 0e2c59f2871..5353810a0d8 100644 --- a/dlls/rsaenh/implglue.h +++ b/dlls/rsaenh/implglue.h @@ -26,7 +26,6 @@ #include "bcrypt.h" #include "tomcrypt.h" -#include "sha2.h" #define RSAENH_MAX_HASH_SIZE 104 @@ -61,7 +60,6 @@ typedef union tagHASH_CONTEXT { MD4_CTX md4; MD5_CTX md5; SHA_CTX sha; - SHA256_CTX sha256; BCRYPT_HASH_HANDLE bcrypt_hash; } HASH_CONTEXT; diff --git a/dlls/rsaenh/sha2.c b/dlls/rsaenh/sha2.c deleted file mode 100644 index d2b83295f20..00000000000 --- a/dlls/rsaenh/sha2.c +++ /dev/null @@ -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 -#include -#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); -} diff --git a/dlls/rsaenh/sha2.h b/dlls/rsaenh/sha2.h deleted file mode 100644 index 4e89320ce5a..00000000000 --- a/dlls/rsaenh/sha2.h +++ /dev/null @@ -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 - -/*** 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__ */