/2.0/Source/ExtSupport/PHP4/Digest.cpp
C++ | 689 lines | 411 code | 89 blank | 189 comment | 12 complexity | 45d810fa7e77687f2f37ebbd7b451371 MD5 | raw file
Possible License(s): CPL-1.0, GPL-2.0, CC-BY-SA-3.0, MPL-2.0-no-copyleft-exception, Apache-2.0
- //
- // ExtSupport.PHP4 - substitute for php4ts.dll
- //
- // Digest.cpp
- // - slightly modified md5.c and sha1.c, originally PHP source files
- //
-
- /*
- +----------------------------------------------------------------------+
- | PHP Version 4 |
- +----------------------------------------------------------------------+
- | Copyright (c) 1997-2003 The PHP Group |
- +----------------------------------------------------------------------+
- | This source file is subject to version 3.0 of the PHP license, |
- | that is bundled with this package in the file LICENSE, and is |
- | available through the world-wide-web at the following url: |
- | http://www.php.net/license/3_0.txt. |
- | If you did not receive a copy of the PHP license and are unable to |
- | obtain it through the world-wide-web, please send a note to |
- | license@php.net so we can mail you a copy immediately. |
- +----------------------------------------------------------------------+
- | Author: Lachlan Roche |
- +----------------------------------------------------------------------+
- */
-
- /* $Id: Digest.cpp,v 1.1.2.2 2006/04/15 20:19:12 prosl0am Exp $ */
-
- /*
- * md5.c - Copyright 1997 Lachlan Roche
- * md5_file() added by Alessandro Astarita <aleast@capri.it>
- */
-
- #include "stdafx.h"
- #include <stdio.h>
- //#include "php.h"
-
- #include "Digest.h"
-
- #pragma unmanaged
-
- ZEND_API void make_digest(char *md5str, unsigned char *digest)
- {
- int i;
-
- for (i = 0; i < 16; i++) {
- sprintf(md5str, "%02x", digest[i]);
- md5str += 2;
- }
-
- *md5str = '\0';
- }
-
- /*
- * The remaining code is the reference MD5 code (md5c.c) from rfc1321
- */
- /* MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm
- */
-
- /* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
- rights reserved.
-
- License to copy and use this software is granted provided that it
- is identified as the "RSA Data Security, Inc. MD5 Message-Digest
- Algorithm" in all material mentioning or referencing this software
- or this function.
-
- License is also granted to make and use derivative works provided
- that such works are identified as "derived from the RSA Data
- Security, Inc. MD5 Message-Digest Algorithm" in all material
- mentioning or referencing the derived work.
-
- RSA Data Security, Inc. makes no representations concerning either
- the merchantability of this software or the suitability of this
- software for any particular purpose. It is provided "as is"
- without express or implied warranty of any kind.
-
- These notices must be retained in any copies of any part of this
- documentation and/or software.
- */
-
- /* Constants for MD5Transform routine.
- */
-
-
- #define S11 7
- #define S12 12
- #define S13 17
- #define S14 22
- #define S21 5
- #define S22 9
- #define S23 14
- #define S24 20
- #define S31 4
- #define S32 11
- #define S33 16
- #define S34 23
- #define S41 6
- #define S42 10
- #define S43 15
- #define S44 21
-
- static void MD5Transform(php_uint32[4], const unsigned char[64]);
- static void Encode(unsigned char *, php_uint32 *, unsigned int);
- static void Decode(php_uint32 *, const unsigned char *, unsigned int);
-
- static unsigned char PADDING[64] =
- {
- 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- };
-
- /* F, G, H and I are basic MD5 functions.
- */
- #define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
- #define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
- #define H(x, y, z) ((x) ^ (y) ^ (z))
- #define I(x, y, z) ((y) ^ ((x) | (~z)))
-
- /* ROTATE_LEFT rotates x left n bits.
- */
- #define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
-
- /* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
- Rotation is separate from addition to prevent recomputation.
- */
- #define FF(a, b, c, d, x, s, ac) { \
- (a) += F ((b), (c), (d)) + (x) + (php_uint32)(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
- }
- #define GG(a, b, c, d, x, s, ac) { \
- (a) += G ((b), (c), (d)) + (x) + (php_uint32)(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
- }
- #define HH(a, b, c, d, x, s, ac) { \
- (a) += H ((b), (c), (d)) + (x) + (php_uint32)(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
- }
- #define II(a, b, c, d, x, s, ac) { \
- (a) += I ((b), (c), (d)) + (x) + (php_uint32)(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
- }
-
- /* {{{ PHP_MD5Init
- * MD5 initialization. Begins an MD5 operation, writing a new context.
- */
- ZEND_API void PHP_MD5Init(PHP_MD5_CTX * context)
- {
- context->count[0] = context->count[1] = 0;
- /* Load magic initialization constants.
- */
- context->state[0] = 0x67452301;
- context->state[1] = 0xefcdab89;
- context->state[2] = 0x98badcfe;
- context->state[3] = 0x10325476;
- }
- /* }}} */
-
- /* {{{ PHP_MD5Update
- MD5 block update operation. Continues an MD5 message-digest
- operation, processing another message block, and updating the
- context.
- */
- ZEND_API void PHP_MD5Update(PHP_MD5_CTX * context, const unsigned char *input,
- unsigned int inputLen)
- {
- unsigned int i, index, partLen;
-
- /* Compute number of bytes mod 64 */
- index = (unsigned int) ((context->count[0] >> 3) & 0x3F);
-
- /* Update number of bits */
- if ((context->count[0] += ((php_uint32) inputLen << 3))
- < ((php_uint32) inputLen << 3))
- context->count[1]++;
- context->count[1] += ((php_uint32) inputLen >> 29);
-
- partLen = 64 - index;
-
- /* Transform as many times as possible.
- */
- if (inputLen >= partLen) {
- memcpy
- ((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
- MD5Transform(context->state, context->buffer);
-
- for (i = partLen; i + 63 < inputLen; i += 64)
- MD5Transform(context->state, &input[i]);
-
- index = 0;
- } else
- i = 0;
-
- /* Buffer remaining input */
- memcpy
- ((unsigned char*) & context->buffer[index], (unsigned char*) & input[i],
- inputLen - i);
- }
- /* }}} */
-
- /* {{{ PHP_MD5Final
- MD5 finalization. Ends an MD5 message-digest operation, writing the
- the message digest and zeroizing the context.
- */
- ZEND_API void PHP_MD5Final(unsigned char digest[16], PHP_MD5_CTX * context)
- {
- unsigned char bits[8];
- unsigned int index, padLen;
-
- /* Save number of bits */
- Encode(bits, context->count, 8);
-
- /* Pad out to 56 mod 64.
- */
- index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
- padLen = (index < 56) ? (56 - index) : (120 - index);
- PHP_MD5Update(context, PADDING, padLen);
-
- /* Append length (before padding) */
- PHP_MD5Update(context, bits, 8);
-
- /* Store state in digest */
- Encode(digest, context->state, 16);
-
- /* Zeroize sensitive information.
- */
- memset((unsigned char*) context, 0, sizeof(*context));
- }
- /* }}} */
-
- /* {{{ MD5Transform
- * MD5 basic transformation. Transforms state based on block.
- */
- static void MD5Transform(php_uint32 state[4], const unsigned char block[64])
- {
- php_uint32 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
-
- Decode(x, block, 64);
-
- /* Round 1 */
- FF(a, b, c, d, x[0], S11, 0xd76aa478); /* 1 */
- FF(d, a, b, c, x[1], S12, 0xe8c7b756); /* 2 */
- FF(c, d, a, b, x[2], S13, 0x242070db); /* 3 */
- FF(b, c, d, a, x[3], S14, 0xc1bdceee); /* 4 */
- FF(a, b, c, d, x[4], S11, 0xf57c0faf); /* 5 */
- FF(d, a, b, c, x[5], S12, 0x4787c62a); /* 6 */
- FF(c, d, a, b, x[6], S13, 0xa8304613); /* 7 */
- FF(b, c, d, a, x[7], S14, 0xfd469501); /* 8 */
- FF(a, b, c, d, x[8], S11, 0x698098d8); /* 9 */
- FF(d, a, b, c, x[9], S12, 0x8b44f7af); /* 10 */
- FF(c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
- FF(b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
- FF(a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
- FF(d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
- FF(c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
- FF(b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
-
- /* Round 2 */
- GG(a, b, c, d, x[1], S21, 0xf61e2562); /* 17 */
- GG(d, a, b, c, x[6], S22, 0xc040b340); /* 18 */
- GG(c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
- GG(b, c, d, a, x[0], S24, 0xe9b6c7aa); /* 20 */
- GG(a, b, c, d, x[5], S21, 0xd62f105d); /* 21 */
- GG(d, a, b, c, x[10], S22, 0x2441453); /* 22 */
- GG(c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
- GG(b, c, d, a, x[4], S24, 0xe7d3fbc8); /* 24 */
- GG(a, b, c, d, x[9], S21, 0x21e1cde6); /* 25 */
- GG(d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
- GG(c, d, a, b, x[3], S23, 0xf4d50d87); /* 27 */
- GG(b, c, d, a, x[8], S24, 0x455a14ed); /* 28 */
- GG(a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
- GG(d, a, b, c, x[2], S22, 0xfcefa3f8); /* 30 */
- GG(c, d, a, b, x[7], S23, 0x676f02d9); /* 31 */
- GG(b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
-
- /* Round 3 */
- HH(a, b, c, d, x[5], S31, 0xfffa3942); /* 33 */
- HH(d, a, b, c, x[8], S32, 0x8771f681); /* 34 */
- HH(c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
- HH(b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
- HH(a, b, c, d, x[1], S31, 0xa4beea44); /* 37 */
- HH(d, a, b, c, x[4], S32, 0x4bdecfa9); /* 38 */
- HH(c, d, a, b, x[7], S33, 0xf6bb4b60); /* 39 */
- HH(b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
- HH(a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
- HH(d, a, b, c, x[0], S32, 0xeaa127fa); /* 42 */
- HH(c, d, a, b, x[3], S33, 0xd4ef3085); /* 43 */
- HH(b, c, d, a, x[6], S34, 0x4881d05); /* 44 */
- HH(a, b, c, d, x[9], S31, 0xd9d4d039); /* 45 */
- HH(d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
- HH(c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
- HH(b, c, d, a, x[2], S34, 0xc4ac5665); /* 48 */
-
- /* Round 4 */
- II(a, b, c, d, x[0], S41, 0xf4292244); /* 49 */
- II(d, a, b, c, x[7], S42, 0x432aff97); /* 50 */
- II(c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
- II(b, c, d, a, x[5], S44, 0xfc93a039); /* 52 */
- II(a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
- II(d, a, b, c, x[3], S42, 0x8f0ccc92); /* 54 */
- II(c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
- II(b, c, d, a, x[1], S44, 0x85845dd1); /* 56 */
- II(a, b, c, d, x[8], S41, 0x6fa87e4f); /* 57 */
- II(d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
- II(c, d, a, b, x[6], S43, 0xa3014314); /* 59 */
- II(b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
- II(a, b, c, d, x[4], S41, 0xf7537e82); /* 61 */
- II(d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
- II(c, d, a, b, x[2], S43, 0x2ad7d2bb); /* 63 */
- II(b, c, d, a, x[9], S44, 0xeb86d391); /* 64 */
-
- state[0] += a;
- state[1] += b;
- state[2] += c;
- state[3] += d;
-
- /* Zeroize sensitive information. */
- memset((unsigned char*) x, 0, sizeof(x));
- }
- /* }}} */
-
- /* {{{ Encode
- Encodes input (php_uint32) into output (unsigned char). Assumes len is
- a multiple of 4.
- */
- static void Encode(unsigned char *output, php_uint32 *input, unsigned int len)
- {
- unsigned int i, j;
-
- for (i = 0, j = 0; j < len; i++, j += 4) {
- output[j] = (unsigned char) (input[i] & 0xff);
- output[j + 1] = (unsigned char) ((input[i] >> 8) & 0xff);
- output[j + 2] = (unsigned char) ((input[i] >> 16) & 0xff);
- output[j + 3] = (unsigned char) ((input[i] >> 24) & 0xff);
- }
- }
- /* }}} */
-
- /* {{{ Decode
- Decodes input (unsigned char) into output (php_uint32). Assumes len is
- a multiple of 4.
- */
- static void Decode(php_uint32 *output, const unsigned char *input, unsigned int len)
- {
- unsigned int i, j;
-
- for (i = 0, j = 0; j < len; i++, j += 4)
- output[i] = ((php_uint32) input[j]) | (((php_uint32) input[j + 1]) << 8) |
- (((php_uint32) input[j + 2]) << 16) | (((php_uint32) input[j + 3]) << 24);
- }
- /* }}} */
-
- #undef F
- #undef G
- #undef H
- #undef I
- #undef FF
- #undef GG
- #undef HH
- #undef II
-
- /*
- +----------------------------------------------------------------------+
- | PHP Version 4 |
- +----------------------------------------------------------------------+
- | Copyright (c) 1997-2003 The PHP Group |
- +----------------------------------------------------------------------+
- | This source file is subject to version 3.0 of the PHP license, |
- | that is bundled with this package in the file LICENSE, and is |
- | available through the world-wide-web at the following url: |
- | http://www.php.net/license/3_0.txt. |
- | If you did not receive a copy of the PHP license and are unable to |
- | obtain it through the world-wide-web, please send a note to |
- | license@php.net so we can mail you a copy immediately. |
- +----------------------------------------------------------------------+
- | Author: Stefan Esser <sesser@php.net> |
- +----------------------------------------------------------------------+
- */
-
- /* $Id: Digest.cpp,v 1.1.2.2 2006/04/15 20:19:12 prosl0am Exp $ */
-
- #include <stdio.h>
- //#include "php.h"
-
- /* This code is heavily based on the PHP md5 implementation */
-
- //#include "sha1.h"
-
- ZEND_API void make_sha1_digest(char *sha1str, unsigned char *digest)
- {
- int i;
-
- for (i = 0; i < 20; i++) {
- sprintf(sha1str, "%02x", digest[i]);
- sha1str += 2;
- }
-
- *sha1str = '\0';
- }
-
- static void SHA1Transform(php_uint32[5], const unsigned char[64]);
- static void SHA1Encode(unsigned char *, php_uint32 *, unsigned int);
- static void SHA1Decode(php_uint32 *, const unsigned char *, unsigned int);
-
- static unsigned char PADDING_[64] =
- {
- 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- };
-
- /* F, G, H and I are basic SHA1 functions.
- */
- #define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z))))
- #define G(x, y, z) ((x) ^ (y) ^ (z))
- #define H(x, y, z) (((x) & (y)) | ((z) & ((x) | (y))))
- #define I(x, y, z) ((x) ^ (y) ^ (z))
-
- /* ROTATE_LEFT rotates x left n bits.
- */
- #define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
-
- /* W[i]
- */
- #define W(i) ( tmp=x[(i-3)&15]^x[(i-8)&15]^x[(i-14)&15]^x[i&15], \
- (x[i&15]=ROTATE_LEFT(tmp, 1)) )
-
- /* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
- */
- #define FF(a, b, c, d, e, w) { \
- (e) += F ((b), (c), (d)) + (w) + (php_uint32)(0x5A827999); \
- (e) += ROTATE_LEFT ((a), 5); \
- (b) = ROTATE_LEFT((b), 30); \
- }
- #define GG(a, b, c, d, e, w) { \
- (e) += G ((b), (c), (d)) + (w) + (php_uint32)(0x6ED9EBA1); \
- (e) += ROTATE_LEFT ((a), 5); \
- (b) = ROTATE_LEFT((b), 30); \
- }
- #define HH(a, b, c, d, e, w) { \
- (e) += H ((b), (c), (d)) + (w) + (php_uint32)(0x8F1BBCDC); \
- (e) += ROTATE_LEFT ((a), 5); \
- (b) = ROTATE_LEFT((b), 30); \
- }
- #define II(a, b, c, d, e, w) { \
- (e) += I ((b), (c), (d)) + (w) + (php_uint32)(0xCA62C1D6); \
- (e) += ROTATE_LEFT ((a), 5); \
- (b) = ROTATE_LEFT((b), 30); \
- }
-
-
- /* {{{ PHP_SHA1Init
- * SHA1 initialization. Begins an SHA1 operation, writing a new context.
- */
- ZEND_API void PHP_SHA1Init(PHP_SHA1_CTX * context)
- {
- context->count[0] = context->count[1] = 0;
- /* Load magic initialization constants.
- */
- context->state[0] = 0x67452301;
- context->state[1] = 0xefcdab89;
- context->state[2] = 0x98badcfe;
- context->state[3] = 0x10325476;
- context->state[4] = 0xc3d2e1f0;
- }
- /* }}} */
-
- /* {{{ PHP_SHA1Update
- SHA1 block update operation. Continues an SHA1 message-digest
- operation, processing another message block, and updating the
- context.
- */
- ZEND_API void PHP_SHA1Update(PHP_SHA1_CTX * context, const unsigned char *input,
- unsigned int inputLen)
- {
- unsigned int i, index, partLen;
-
- /* Compute number of bytes mod 64 */
- index = (unsigned int) ((context->count[0] >> 3) & 0x3F);
-
- /* Update number of bits */
- if ((context->count[0] += ((php_uint32) inputLen << 3))
- < ((php_uint32) inputLen << 3))
- context->count[1]++;
- context->count[1] += ((php_uint32) inputLen >> 29);
-
- partLen = 64 - index;
-
- /* Transform as many times as possible.
- */
- if (inputLen >= partLen) {
- memcpy
- ((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
- SHA1Transform(context->state, context->buffer);
-
- for (i = partLen; i + 63 < inputLen; i += 64)
- SHA1Transform(context->state, &input[i]);
-
- index = 0;
- } else
- i = 0;
-
- /* Buffer remaining input */
- memcpy
- ((unsigned char*) & context->buffer[index], (unsigned char*) & input[i],
- inputLen - i);
- }
- /* }}} */
-
- /* {{{ PHP_SHA1Final
- SHA1 finalization. Ends an SHA1 message-digest operation, writing the
- the message digest and zeroizing the context.
- */
- ZEND_API void PHP_SHA1Final(unsigned char digest[20], PHP_SHA1_CTX * context)
- {
- unsigned char bits[8];
- unsigned int index, padLen;
-
- /* Save number of bits */
- bits[7] = context->count[0] & 0xFF;
- bits[6] = (context->count[0] >> 8) & 0xFF;
- bits[5] = (context->count[0] >> 16) & 0xFF;
- bits[4] = (context->count[0] >> 24) & 0xFF;
- bits[3] = context->count[1] & 0xFF;
- bits[2] = (context->count[1] >> 8) & 0xFF;
- bits[1] = (context->count[1] >> 16) & 0xFF;
- bits[0] = (context->count[1] >> 24) & 0xFF;
-
- /* Pad out to 56 mod 64.
- */
- index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
- padLen = (index < 56) ? (56 - index) : (120 - index);
- PHP_SHA1Update(context, PADDING_, padLen);
-
- /* Append length (before padding) */
- PHP_SHA1Update(context, bits, 8);
-
- /* Store state in digest */
- SHA1Encode(digest, context->state, 20);
-
- /* Zeroize sensitive information.
- */
- memset((unsigned char*) context, 0, sizeof(*context));
- }
- /* }}} */
-
- /* {{{ SHA1Transform
- * SHA1 basic transformation. Transforms state based on block.
- */
- static void SHA1Transform(php_uint32 state[5], const unsigned char block[64])
- {
- php_uint32 a = state[0], b = state[1], c = state[2];
- php_uint32 d = state[3], e = state[4], x[16], tmp;
-
- SHA1Decode(x, block, 64);
-
- /* Round 1 */
- FF(a, b, c, d, e, x[0]); /* 1 */
- FF(e, a, b, c, d, x[1]); /* 2 */
- FF(d, e, a, b, c, x[2]); /* 3 */
- FF(c, d, e, a, b, x[3]); /* 4 */
- FF(b, c, d, e, a, x[4]); /* 5 */
- FF(a, b, c, d, e, x[5]); /* 6 */
- FF(e, a, b, c, d, x[6]); /* 7 */
- FF(d, e, a, b, c, x[7]); /* 8 */
- FF(c, d, e, a, b, x[8]); /* 9 */
- FF(b, c, d, e, a, x[9]); /* 10 */
- FF(a, b, c, d, e, x[10]); /* 11 */
- FF(e, a, b, c, d, x[11]); /* 12 */
- FF(d, e, a, b, c, x[12]); /* 13 */
- FF(c, d, e, a, b, x[13]); /* 14 */
- FF(b, c, d, e, a, x[14]); /* 15 */
- FF(a, b, c, d, e, x[15]); /* 16 */
- FF(e, a, b, c, d, W(16)); /* 17 */
- FF(d, e, a, b, c, W(17)); /* 18 */
- FF(c, d, e, a, b, W(18)); /* 19 */
- FF(b, c, d, e, a, W(19)); /* 20 */
-
- /* Round 2 */
- GG(a, b, c, d, e, W(20)); /* 21 */
- GG(e, a, b, c, d, W(21)); /* 22 */
- GG(d, e, a, b, c, W(22)); /* 23 */
- GG(c, d, e, a, b, W(23)); /* 24 */
- GG(b, c, d, e, a, W(24)); /* 25 */
- GG(a, b, c, d, e, W(25)); /* 26 */
- GG(e, a, b, c, d, W(26)); /* 27 */
- GG(d, e, a, b, c, W(27)); /* 28 */
- GG(c, d, e, a, b, W(28)); /* 29 */
- GG(b, c, d, e, a, W(29)); /* 30 */
- GG(a, b, c, d, e, W(30)); /* 31 */
- GG(e, a, b, c, d, W(31)); /* 32 */
- GG(d, e, a, b, c, W(32)); /* 33 */
- GG(c, d, e, a, b, W(33)); /* 34 */
- GG(b, c, d, e, a, W(34)); /* 35 */
- GG(a, b, c, d, e, W(35)); /* 36 */
- GG(e, a, b, c, d, W(36)); /* 37 */
- GG(d, e, a, b, c, W(37)); /* 38 */
- GG(c, d, e, a, b, W(38)); /* 39 */
- GG(b, c, d, e, a, W(39)); /* 40 */
-
- /* Round 3 */
- HH(a, b, c, d, e, W(40)); /* 41 */
- HH(e, a, b, c, d, W(41)); /* 42 */
- HH(d, e, a, b, c, W(42)); /* 43 */
- HH(c, d, e, a, b, W(43)); /* 44 */
- HH(b, c, d, e, a, W(44)); /* 45 */
- HH(a, b, c, d, e, W(45)); /* 46 */
- HH(e, a, b, c, d, W(46)); /* 47 */
- HH(d, e, a, b, c, W(47)); /* 48 */
- HH(c, d, e, a, b, W(48)); /* 49 */
- HH(b, c, d, e, a, W(49)); /* 50 */
- HH(a, b, c, d, e, W(50)); /* 51 */
- HH(e, a, b, c, d, W(51)); /* 52 */
- HH(d, e, a, b, c, W(52)); /* 53 */
- HH(c, d, e, a, b, W(53)); /* 54 */
- HH(b, c, d, e, a, W(54)); /* 55 */
- HH(a, b, c, d, e, W(55)); /* 56 */
- HH(e, a, b, c, d, W(56)); /* 57 */
- HH(d, e, a, b, c, W(57)); /* 58 */
- HH(c, d, e, a, b, W(58)); /* 59 */
- HH(b, c, d, e, a, W(59)); /* 60 */
-
- /* Round 4 */
- II(a, b, c, d, e, W(60)); /* 61 */
- II(e, a, b, c, d, W(61)); /* 62 */
- II(d, e, a, b, c, W(62)); /* 63 */
- II(c, d, e, a, b, W(63)); /* 64 */
- II(b, c, d, e, a, W(64)); /* 65 */
- II(a, b, c, d, e, W(65)); /* 66 */
- II(e, a, b, c, d, W(66)); /* 67 */
- II(d, e, a, b, c, W(67)); /* 68 */
- II(c, d, e, a, b, W(68)); /* 69 */
- II(b, c, d, e, a, W(69)); /* 70 */
- II(a, b, c, d, e, W(70)); /* 71 */
- II(e, a, b, c, d, W(71)); /* 72 */
- II(d, e, a, b, c, W(72)); /* 73 */
- II(c, d, e, a, b, W(73)); /* 74 */
- II(b, c, d, e, a, W(74)); /* 75 */
- II(a, b, c, d, e, W(75)); /* 76 */
- II(e, a, b, c, d, W(76)); /* 77 */
- II(d, e, a, b, c, W(77)); /* 78 */
- II(c, d, e, a, b, W(78)); /* 79 */
- II(b, c, d, e, a, W(79)); /* 80 */
-
- state[0] += a;
- state[1] += b;
- state[2] += c;
- state[3] += d;
- state[4] += e;
-
- /* Zeroize sensitive information. */
- memset((unsigned char*) x, 0, sizeof(x));
- }
- /* }}} */
-
- /* {{{ SHA1Encode
- Encodes input (php_uint32) into output (unsigned char). Assumes len is
- a multiple of 4.
- */
- static void SHA1Encode(unsigned char *output, php_uint32 *input, unsigned int len)
- {
- unsigned int i, j;
-
- for (i = 0, j = 0; j < len; i++, j += 4) {
- output[j] = (unsigned char) ((input[i] >> 24) & 0xff);
- output[j + 1] = (unsigned char) ((input[i] >> 16) & 0xff);
- output[j + 2] = (unsigned char) ((input[i] >> 8) & 0xff);
- output[j + 3] = (unsigned char) (input[i] & 0xff);
- }
- }
- /* }}} */
-
- /* {{{ SHA1Decode
- Decodes input (unsigned char) into output (php_uint32). Assumes len is
- a multiple of 4.
- */
- static void SHA1Decode(php_uint32 *output, const unsigned char *input, unsigned int len)
- {
- unsigned int i, j;
-
- for (i = 0, j = 0; j < len; i++, j += 4)
- output[i] = ((php_uint32) input[j + 3]) | (((php_uint32) input[j + 2]) << 8) |
- (((php_uint32) input[j + 1]) << 16) | (((php_uint32) input[j]) << 24);
- }
- /* }}} */