diff options
Diffstat (limited to 'ext/digest/sha2/sha2.c')
| -rw-r--r-- | ext/digest/sha2/sha2.c | 395 |
1 files changed, 284 insertions, 111 deletions
diff --git a/ext/digest/sha2/sha2.c b/ext/digest/sha2/sha2.c index aca9ee926f..388cbf0549 100644 --- a/ext/digest/sha2/sha2.c +++ b/ext/digest/sha2/sha2.c @@ -1,11 +1,9 @@ /* - * sha2.c - * - * Version 1.0.0beta1 - * - * Written by Aaron D. Gifford <me@aarongifford.com> - * - * Copyright 2000 Aaron D. Gifford. All rights reserved. + * 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 @@ -19,10 +17,10 @@ * may be used to endorse or promote products derived from this software * without specific prior written permission. * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTOR(S) ``AS IS'' AND + * 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(S) OR CONTRIBUTOR(S) BE LIABLE + * 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) @@ -31,15 +29,15 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * + * $OrigId: sha2.c,v 1.1 2001/11/08 00:01:51 adg Exp adg $ + * $RoughId: sha2.c,v 1.3 2002/02/26 22:03:36 knu Exp $ + * $Id$ */ -/* $RoughId: sha2.c,v 1.3 2002/02/26 22:03:36 knu Exp $ */ -/* $Id$ */ - -#include "sha2.h" -#include <stdio.h> +#include "defs.h" #include <string.h> /* memcpy()/memset() or bcopy()/bzero() */ #include <assert.h> /* assert() */ +#include "sha2.h" /* * ASSERT NOTE: @@ -63,15 +61,64 @@ /*** SHA-256/384/512 Machine Architecture Definitions *****************/ +/* + * BYTE_ORDER NOTE: + * + * Please make sure that your system defines BYTE_ORDER. If your + * architecture is little-endian, make sure it also defines + * LITTLE_ENDIAN and that the two (BYTE_ORDER and LITTLE_ENDIAN) are + * equivilent. + * + * If your system does not define the above, then you can do so by + * hand like this: + * + * #define LITTLE_ENDIAN 1234 + * #define BIG_ENDIAN 4321 + * + * And for little-endian machines, add: + * + * #define BYTE_ORDER LITTLE_ENDIAN + * + * Or for big-endian machines: + * + * #define BYTE_ORDER BIG_ENDIAN + * + * The FreeBSD machine this was written on defines BYTE_ORDER + * appropriately by including <sys/types.h> (which in turn includes + * <machine/endian.h> where the appropriate definitions are actually + * made). + */ +#if !defined(BYTE_ORDER) || (BYTE_ORDER != LITTLE_ENDIAN && BYTE_ORDER != BIG_ENDIAN) +#error Define BYTE_ORDER to be equal to either LITTLE_ENDIAN or BIG_ENDIAN +#endif + +/* + * Define the followingsha2_* types to types of the correct length on + * the native archtecture. Most BSD systems and Linux define u_intXX_t + * types. Machines with very recent ANSI C headers, can use the + * uintXX_t definintions from inttypes.h by defining SHA2_USE_INTTYPES_H + * during compile or in the sha.h header file. + * + * Machines that support neither u_intXX_t nor inttypes.h's uintXX_t + * will need to define these three typedefs below (and the appropriate + * ones in sha.h too) by hand according to their system architecture. + * + * Thank you, Jun-ichiro itojun Hagino, for suggesting using u_intXX_t + * types and pointing out recent ANSI C support for uintXX_t in inttypes.h. + */ +#ifdef SHA2_USE_INTTYPES_H + typedef uint8_t sha2_byte; /* Exactly 1 byte */ typedef uint32_t sha2_word32; /* Exactly 4 bytes */ typedef uint64_t sha2_word64; /* Exactly 8 bytes */ -#if defined(__GNUC__) || defined(_HPUX_SOURCE) || defined(__IBMC__) -#define ULL(number) number##ULL -#else -#define ULL(number) (uint64_t)(number) -#endif +#else /* SHA2_USE_INTTYPES_H */ + +typedef u_int8_t sha2_byte; /* Exactly 1 byte */ +typedef u_int32_t sha2_word32; /* Exactly 4 bytes */ +typedef u_int64_t sha2_word64; /* Exactly 8 bytes */ + +#endif /* SHA2_USE_INTTYPES_H */ /*** SHA-256/384/512 Various Length Definitions ***********************/ @@ -82,7 +129,7 @@ typedef uint64_t sha2_word64; /* Exactly 8 bytes */ /*** ENDIAN REVERSAL MACROS *******************************************/ -#ifndef WORDS_BIGENDIAN +#if BYTE_ORDER == LITTLE_ENDIAN #define REVERSE32(w,x) { \ sha2_word32 tmp = (w); \ tmp = (tmp >> 16) | (tmp << 16); \ @@ -91,12 +138,12 @@ typedef uint64_t sha2_word64; /* Exactly 8 bytes */ #define REVERSE64(w,x) { \ sha2_word64 tmp = (w); \ tmp = (tmp >> 32) | (tmp << 32); \ - tmp = ((tmp & ULL(0xff00ff00ff00ff00)) >> 8) | \ - ((tmp & ULL(0x00ff00ff00ff00ff)) << 8); \ - (x) = ((tmp & ULL(0xffff0000ffff0000)) >> 16) | \ - ((tmp & ULL(0x0000ffff0000ffff)) << 16); \ + tmp = ((tmp & 0xff00ff00ff00ff00ULL) >> 8) | \ + ((tmp & 0x00ff00ff00ff00ffULL) << 8); \ + (x) = ((tmp & 0xffff0000ffff0000ULL) >> 16) | \ + ((tmp & 0x0000ffff0000ffffULL) << 16); \ } -#endif +#endif /* BYTE_ORDER == LITTLE_ENDIAN */ /* * Macro for incrementally adding the unsigned 64-bit integer n to the @@ -215,72 +262,78 @@ const static sha2_word32 sha256_initial_hash_value[8] = { /* Hash constant words K for SHA-384 and SHA-512: */ const static sha2_word64 K512[80] = { - ULL(0x428a2f98d728ae22), ULL(0x7137449123ef65cd), - ULL(0xb5c0fbcfec4d3b2f), ULL(0xe9b5dba58189dbbc), - ULL(0x3956c25bf348b538), ULL(0x59f111f1b605d019), - ULL(0x923f82a4af194f9b), ULL(0xab1c5ed5da6d8118), - ULL(0xd807aa98a3030242), ULL(0x12835b0145706fbe), - ULL(0x243185be4ee4b28c), ULL(0x550c7dc3d5ffb4e2), - ULL(0x72be5d74f27b896f), ULL(0x80deb1fe3b1696b1), - ULL(0x9bdc06a725c71235), ULL(0xc19bf174cf692694), - ULL(0xe49b69c19ef14ad2), ULL(0xefbe4786384f25e3), - ULL(0x0fc19dc68b8cd5b5), ULL(0x240ca1cc77ac9c65), - ULL(0x2de92c6f592b0275), ULL(0x4a7484aa6ea6e483), - ULL(0x5cb0a9dcbd41fbd4), ULL(0x76f988da831153b5), - ULL(0x983e5152ee66dfab), ULL(0xa831c66d2db43210), - ULL(0xb00327c898fb213f), ULL(0xbf597fc7beef0ee4), - ULL(0xc6e00bf33da88fc2), ULL(0xd5a79147930aa725), - ULL(0x06ca6351e003826f), ULL(0x142929670a0e6e70), - ULL(0x27b70a8546d22ffc), ULL(0x2e1b21385c26c926), - ULL(0x4d2c6dfc5ac42aed), ULL(0x53380d139d95b3df), - ULL(0x650a73548baf63de), ULL(0x766a0abb3c77b2a8), - ULL(0x81c2c92e47edaee6), ULL(0x92722c851482353b), - ULL(0xa2bfe8a14cf10364), ULL(0xa81a664bbc423001), - ULL(0xc24b8b70d0f89791), ULL(0xc76c51a30654be30), - ULL(0xd192e819d6ef5218), ULL(0xd69906245565a910), - ULL(0xf40e35855771202a), ULL(0x106aa07032bbd1b8), - ULL(0x19a4c116b8d2d0c8), ULL(0x1e376c085141ab53), - ULL(0x2748774cdf8eeb99), ULL(0x34b0bcb5e19b48a8), - ULL(0x391c0cb3c5c95a63), ULL(0x4ed8aa4ae3418acb), - ULL(0x5b9cca4f7763e373), ULL(0x682e6ff3d6b2b8a3), - ULL(0x748f82ee5defb2fc), ULL(0x78a5636f43172f60), - ULL(0x84c87814a1f0ab72), ULL(0x8cc702081a6439ec), - ULL(0x90befffa23631e28), ULL(0xa4506cebde82bde9), - ULL(0xbef9a3f7b2c67915), ULL(0xc67178f2e372532b), - ULL(0xca273eceea26619c), ULL(0xd186b8c721c0c207), - ULL(0xeada7dd6cde0eb1e), ULL(0xf57d4f7fee6ed178), - ULL(0x06f067aa72176fba), ULL(0x0a637dc5a2c898a6), - ULL(0x113f9804bef90dae), ULL(0x1b710b35131c471b), - ULL(0x28db77f523047d84), ULL(0x32caab7b40c72493), - ULL(0x3c9ebe0a15c9bebc), ULL(0x431d67c49c100d4c), - ULL(0x4cc5d4becb3e42b6), ULL(0x597f299cfc657e2a), - ULL(0x5fcb6fab3ad6faec), ULL(0x6c44198c4a475817) + 0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL, + 0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL, + 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL, + 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL, + 0xd807aa98a3030242ULL, 0x12835b0145706fbeULL, + 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL, + 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL, + 0x9bdc06a725c71235ULL, 0xc19bf174cf692694ULL, + 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL, + 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL, + 0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL, + 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL, + 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL, + 0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL, + 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL, + 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL, + 0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL, + 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL, + 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL, + 0x81c2c92e47edaee6ULL, 0x92722c851482353bULL, + 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL, + 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL, + 0xd192e819d6ef5218ULL, 0xd69906245565a910ULL, + 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL, + 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL, + 0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL, + 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL, + 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL, + 0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL, + 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL, + 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL, + 0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL, + 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL, + 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL, + 0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL, + 0x113f9804bef90daeULL, 0x1b710b35131c471bULL, + 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL, + 0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL, + 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL, + 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL }; /* Initial hash value H for SHA-384 */ const static sha2_word64 sha384_initial_hash_value[8] = { - ULL(0xcbbb9d5dc1059ed8), - ULL(0x629a292a367cd507), - ULL(0x9159015a3070dd17), - ULL(0x152fecd8f70e5939), - ULL(0x67332667ffc00b31), - ULL(0x8eb44a8768581511), - ULL(0xdb0c2e0d64f98fa7), - ULL(0x47b5481dbefa4fa4) + 0xcbbb9d5dc1059ed8ULL, + 0x629a292a367cd507ULL, + 0x9159015a3070dd17ULL, + 0x152fecd8f70e5939ULL, + 0x67332667ffc00b31ULL, + 0x8eb44a8768581511ULL, + 0xdb0c2e0d64f98fa7ULL, + 0x47b5481dbefa4fa4ULL }; /* Initial hash value H for SHA-512 */ const static sha2_word64 sha512_initial_hash_value[8] = { - ULL(0x6a09e667f3bcc908), - ULL(0xbb67ae8584caa73b), - ULL(0x3c6ef372fe94f82b), - ULL(0xa54ff53a5f1d36f1), - ULL(0x510e527fade682d1), - ULL(0x9b05688c2b3e6c1f), - ULL(0x1f83d9abfb41bd6b), - ULL(0x5be0cd19137e2179) + 0x6a09e667f3bcc908ULL, + 0xbb67ae8584caa73bULL, + 0x3c6ef372fe94f82bULL, + 0xa54ff53a5f1d36f1ULL, + 0x510e527fade682d1ULL, + 0x9b05688c2b3e6c1fULL, + 0x1f83d9abfb41bd6bULL, + 0x5be0cd19137e2179ULL }; +/* + * 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) { @@ -296,7 +349,7 @@ void SHA256_Init(SHA256_CTX* context) { /* Unrolled SHA-256 round macros: */ -#ifndef WORDS_BIGENDIAN +#if BYTE_ORDER == LITTLE_ENDIAN #define ROUND256_0_TO_15(a,b,c,d,e,f,g,h) \ REVERSE32(*data++, W256[j]); \ @@ -307,7 +360,7 @@ void SHA256_Init(SHA256_CTX* context) { j++ -#else +#else /* BYTE_ORDER == LITTLE_ENDIAN */ #define ROUND256_0_TO_15(a,b,c,d,e,f,g,h) \ T1 = (h) + Sigma1_256(e) + Ch((e), (f), (g)) + \ @@ -316,7 +369,7 @@ void SHA256_Init(SHA256_CTX* context) { (h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \ j++ -#endif +#endif /* BYTE_ORDER == LITTLE_ENDIAN */ #define ROUND256(a,b,c,d,e,f,g,h) \ s0 = W256[(j+1)&0x0f]; \ @@ -406,15 +459,15 @@ void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) { j = 0; do { -#ifndef WORDS_BIGENDIAN +#if BYTE_ORDER == LITTLE_ENDIAN /* 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 +#else /* BYTE_ORDER == LITTLE_ENDIAN */ /* 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 +#endif /* BYTE_ORDER == LITTLE_ENDIAN */ T2 = Sigma0_256(a) + Maj(a, b, c); h = g; g = f; @@ -476,7 +529,7 @@ void SHA256_Update(SHA256_CTX* context, const sha2_byte *data, size_t len) { } /* Sanity check: */ - assert(context != NULL && data != NULL); + assert(context != (SHA256_CTX*)0 && data != (sha2_byte*)0); usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH; if (usedspace > 0) { @@ -501,7 +554,7 @@ void SHA256_Update(SHA256_CTX* context, const sha2_byte *data, size_t len) { } while (len >= SHA256_BLOCK_LENGTH) { /* Process as many complete blocks as we can */ - SHA256_Transform(context, (const sha2_word32*)data); + SHA256_Transform(context, (sha2_word32*)data); context->bitcount += SHA256_BLOCK_LENGTH << 3; len -= SHA256_BLOCK_LENGTH; data += SHA256_BLOCK_LENGTH; @@ -515,17 +568,21 @@ void SHA256_Update(SHA256_CTX* context, const sha2_byte *data, size_t len) { usedspace = freespace = 0; } +#ifdef RUBY +void SHA256_Final(sha2_byte digest[], SHA256_CTX* context) { +#else void SHA256_Finish(SHA256_CTX* context, sha2_byte digest[]) { +#endif sha2_word32 *d = (sha2_word32*)digest; unsigned int usedspace; /* Sanity check: */ - assert(context != NULL); + assert(context != (SHA256_CTX*)0); /* If no digest buffer is passed, we don't bother doing this: */ if (digest != (sha2_byte*)0) { usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH; -#ifndef WORDS_BIGENDIAN +#if BYTE_ORDER == LITTLE_ENDIAN /* Convert FROM host byte order */ REVERSE64(context->bitcount,context->bitcount); #endif @@ -559,7 +616,7 @@ void SHA256_Finish(SHA256_CTX* context, sha2_byte digest[]) { /* Final transform: */ SHA256_Transform(context, (sha2_word32*)context->buffer); -#ifndef WORDS_BIGENDIAN +#if BYTE_ORDER == LITTLE_ENDIAN { /* Convert TO host byte order */ int j; @@ -574,10 +631,46 @@ void SHA256_Finish(SHA256_CTX* context, sha2_byte digest[]) { } /* Clean up state data: */ - MEMSET_BZERO(context, sizeof(SHA256_CTX)); + 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 != (SHA256_CTX*)0); + + if (buffer != (char*)0) { +#ifdef RUBY + SHA256_Finish(context, digest); +#else + SHA256_Final(digest, context); +#endif + + for (i = 0; i < SHA256_DIGEST_LENGTH; i++) { + *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4]; + *buffer++ = sha2_hex_digits[*d & 0x0f]; + d++; + } + *buffer = (char)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); +} + + /*** SHA-512: *********************************************************/ void SHA512_Init(SHA512_CTX* context) { if (context == (SHA512_CTX*)0) { @@ -591,7 +684,7 @@ void SHA512_Init(SHA512_CTX* context) { #ifdef SHA2_UNROLL_TRANSFORM /* Unrolled SHA-512 round macros: */ -#ifndef WORDS_BIGENDIAN +#if BYTE_ORDER == LITTLE_ENDIAN #define ROUND512_0_TO_15(a,b,c,d,e,f,g,h) \ REVERSE64(*data++, W512[j]); \ @@ -602,7 +695,7 @@ void SHA512_Init(SHA512_CTX* context) { j++ -#else +#else /* BYTE_ORDER == LITTLE_ENDIAN */ #define ROUND512_0_TO_15(a,b,c,d,e,f,g,h) \ T1 = (h) + Sigma1_512(e) + Ch((e), (f), (g)) + \ @@ -611,7 +704,7 @@ void SHA512_Init(SHA512_CTX* context) { (h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)); \ j++ -#endif +#endif /* BYTE_ORDER == LITTLE_ENDIAN */ #define ROUND512(a,b,c,d,e,f,g,h) \ s0 = W512[(j+1)&0x0f]; \ @@ -696,15 +789,15 @@ void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) { j = 0; do { -#ifndef WORDS_BIGENDIAN +#if BYTE_ORDER == LITTLE_ENDIAN /* Convert TO host byte order */ REVERSE64(*data++, W512[j]); /* Apply the SHA-512 compression function to update a..h */ T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + W512[j]; -#else +#else /* BYTE_ORDER == LITTLE_ENDIAN */ /* Apply the SHA-512 compression function to update a..h with copy */ T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + (W512[j] = *data++); -#endif +#endif /* BYTE_ORDER == LITTLE_ENDIAN */ T2 = Sigma0_512(a) + Maj(a, b, c); h = g; g = f; @@ -766,7 +859,7 @@ void SHA512_Update(SHA512_CTX* context, const sha2_byte *data, size_t len) { } /* Sanity check: */ - assert(context != NULL && data != NULL); + assert(context != (SHA512_CTX*)0 && data != (sha2_byte*)0); usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH; if (usedspace > 0) { @@ -779,7 +872,7 @@ void SHA512_Update(SHA512_CTX* context, const sha2_byte *data, size_t len) { ADDINC128(context->bitcount, freespace << 3); len -= freespace; data += freespace; - SHA512_Transform(context, (const sha2_word64*)context->buffer); + SHA512_Transform(context, (sha2_word64*)context->buffer); } else { /* The buffer is not yet full */ MEMCPY_BCOPY(&context->buffer[usedspace], data, len); @@ -791,7 +884,7 @@ void SHA512_Update(SHA512_CTX* context, const sha2_byte *data, size_t len) { } while (len >= SHA512_BLOCK_LENGTH) { /* Process as many complete blocks as we can */ - SHA512_Transform(context, (const sha2_word64*)data); + SHA512_Transform(context, (sha2_word64*)data); ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3); len -= SHA512_BLOCK_LENGTH; data += SHA512_BLOCK_LENGTH; @@ -809,7 +902,7 @@ void SHA512_Last(SHA512_CTX* context) { unsigned int usedspace; usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH; -#ifndef WORDS_BIGENDIAN +#if BYTE_ORDER == LITTLE_ENDIAN /* Convert FROM host byte order */ REVERSE64(context->bitcount[0],context->bitcount[0]); REVERSE64(context->bitcount[1],context->bitcount[1]); @@ -826,7 +919,7 @@ void SHA512_Last(SHA512_CTX* context) { MEMSET_BZERO(&context->buffer[usedspace], SHA512_BLOCK_LENGTH - usedspace); } /* Do second-to-last transform: */ - SHA512_Transform(context, (const sha2_word64*)context->buffer); + SHA512_Transform(context, (sha2_word64*)context->buffer); /* And set-up for the last transform: */ MEMSET_BZERO(context->buffer, SHA512_BLOCK_LENGTH - 2); @@ -843,21 +936,25 @@ void SHA512_Last(SHA512_CTX* context) { *(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8] = context->bitcount[0]; /* Final transform: */ - SHA512_Transform(context, (const sha2_word64*)context->buffer); + SHA512_Transform(context, (sha2_word64*)context->buffer); } +#ifdef RUBY +void SHA512_Final(sha2_byte digest[], SHA512_CTX* context) { +#else void SHA512_Finish(SHA512_CTX* context, sha2_byte digest[]) { +#endif sha2_word64 *d = (sha2_word64*)digest; /* Sanity check: */ - assert(context != NULL); + assert(context != (SHA512_CTX*)0); /* If no digest buffer is passed, we don't bother doing this: */ if (digest != (sha2_byte*)0) { SHA512_Last(context); /* Save the hash data for output: */ -#ifndef WORDS_BIGENDIAN +#if BYTE_ORDER == LITTLE_ENDIAN { /* Convert TO host byte order */ int j; @@ -872,9 +969,45 @@ void SHA512_Finish(SHA512_CTX* context, sha2_byte digest[]) { } /* Zero out state data */ - MEMSET_BZERO(context, sizeof(SHA512_CTX)); + MEMSET_BZERO(context, sizeof(context)); } +char *SHA512_End(SHA512_CTX* context, char buffer[]) { + sha2_byte digest[SHA512_DIGEST_LENGTH], *d = digest; + int i; + + /* Sanity check: */ + assert(context != (SHA512_CTX*)0); + + if (buffer != (char*)0) { +#ifdef RUBY + SHA512_Finish(context, digest); +#else + SHA512_Final(digest, context); +#endif + + for (i = 0; i < SHA512_DIGEST_LENGTH; i++) { + *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4]; + *buffer++ = sha2_hex_digits[*d & 0x0f]; + d++; + } + *buffer = (char)0; + } else { + MEMSET_BZERO(context, sizeof(context)); + } + MEMSET_BZERO(digest, SHA512_DIGEST_LENGTH); + return buffer; +} + +char* SHA512_Data(const sha2_byte* data, size_t len, char digest[SHA512_DIGEST_STRING_LENGTH]) { + SHA512_CTX context; + + SHA512_Init(&context); + SHA512_Update(&context, data, len); + return SHA512_End(&context, digest); +} + + /*** SHA-384: *********************************************************/ void SHA384_Init(SHA384_CTX* context) { if (context == (SHA384_CTX*)0) { @@ -889,18 +1022,22 @@ void SHA384_Update(SHA384_CTX* context, const sha2_byte* data, size_t len) { SHA512_Update((SHA512_CTX*)context, data, len); } +#ifdef RUBY +void SHA384_Final(sha2_byte digest[], SHA384_CTX* context) { +#else void SHA384_Finish(SHA384_CTX* context, sha2_byte digest[]) { +#endif sha2_word64 *d = (sha2_word64*)digest; /* Sanity check: */ - assert(context != NULL); + assert(context != (SHA384_CTX*)0); /* If no digest buffer is passed, we don't bother doing this: */ if (digest != (sha2_byte*)0) { SHA512_Last((SHA512_CTX*)context); /* Save the hash data for output: */ -#ifndef WORDS_BIGENDIAN +#if BYTE_ORDER == LITTLE_ENDIAN { /* Convert TO host byte order */ int j; @@ -915,5 +1052,41 @@ void SHA384_Finish(SHA384_CTX* context, sha2_byte digest[]) { } /* Zero out state data */ - MEMSET_BZERO(context, sizeof(SHA384_CTX)); + MEMSET_BZERO(context, sizeof(context)); +} + +char *SHA384_End(SHA384_CTX* context, char buffer[]) { + sha2_byte digest[SHA384_DIGEST_LENGTH], *d = digest; + int i; + + /* Sanity check: */ + assert(context != (SHA384_CTX*)0); + + if (buffer != (char*)0) { +#ifdef RUBY + SHA384_Finish(context, digest); +#else + SHA384_Final(digest, context); +#endif + + for (i = 0; i < SHA384_DIGEST_LENGTH; i++) { + *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4]; + *buffer++ = sha2_hex_digits[*d & 0x0f]; + d++; + } + *buffer = (char)0; + } else { + MEMSET_BZERO(context, sizeof(context)); + } + MEMSET_BZERO(digest, SHA384_DIGEST_LENGTH); + return buffer; } + +char* SHA384_Data(const sha2_byte* data, size_t len, char digest[SHA384_DIGEST_STRING_LENGTH]) { + SHA384_CTX context; + + SHA384_Init(&context); + SHA384_Update(&context, data, len); + return SHA384_End(&context, digest); +} + |