Removing third-party hash implementations.

Using library/platform implementation instead. Change-Id: I2457c2dad80e6fdda023a7f31c3906ff10fe09ed
author: Remko Tronçon <git@el-tramo.be> 2013-04-26 20:07:58 (GMT)
committer: Remko Tronçon <git@el-tramo.be> 2013-04-27 11:02:06 (GMT)
commit: 5d8c328e236f57d7390d32f9ea7bd17a31e1e740 (patch)
tree: bebe606707a6b835fe3fd15e694d629b5e420947 /Swiften/StringCodecs/MD5.cpp
parent: aa131405927fc7f597ed06aff71abb0a30b59926 (diff)
download: swift-5d8c328e236f57d7390d32f9ea7bd17a31e1e740.zip
swift-5d8c328e236f57d7390d32f9ea7bd17a31e1e740.tar.bz2
1 files changed, 0 insertions, 413 deletions
diff --git a/Swiften/StringCodecs/MD5.cpp b/Swiften/StringCodecs/MD5.cpp
deleted file mode 100644
index ffed37b..0000000
--- a/Swiften/StringCodecs/MD5.cpp
+++ /dev/null
@@ -1,413 +0,0 @@
-/*
- * Copyright (c) 2010-2012 Remko Tronçon
- * Licensed under the GNU General Public License v3.
- * See Documentation/Licenses/GPLv3.txt for more information.
- */
-
-/*
- * This implementation is shamelessly copied from L. Peter Deutsch's
- * implementation, and altered to use our own defines and datastructures.
- * Original license below.
- *//*
-	Copyright (C) 1999, 2002 Aladdin Enterprises.  All rights reserved.
-
-	This software is provided 'as-is', without any express or implied
-	warranty.  In no event will the authors be held liable for any damages
-	arising from the use of this software.
-
-	Permission is granted to anyone to use this software for any purpose,
-	including commercial applications, and to alter it and redistribute it
-	freely, subject to the following restrictions:
-
-	1. The origin of this software must not be misrepresented; you must not
-		 claim that you wrote the original software. If you use this software
-		 in a product, an acknowledgment in the product documentation would be
-		 appreciated but is not required.
-	2. Altered source versions must be plainly marked as such, and must not be
-		 misrepresented as being the original software.
-	3. This notice may not be removed or altered from any source distribution.
-
-	L. Peter Deutsch
-	ghost@aladdin.com
- */
-
-#pragma GCC diagnostic ignored "-Wold-style-cast"
-#pragma clang diagnostic ignored "-Wconversion"
-#pragma clang diagnostic ignored "-Wcast-align"
-#pragma clang diagnostic ignored "-Wmissing-prototypes"
-
-#include <Swiften/StringCodecs/MD5.h>
-
-#include <cassert>
-#include <string.h>
-
-#include <Swiften/Base/ByteArray.h>
-#include <Swiften/Base/Platform.h>
-
-#ifdef SWIFTEN_PLATFORM_WIN32
-#include <Swiften/Base/WindowsRegistry.h>
-#endif
-
-namespace Swift {
-
-typedef unsigned char md5_byte_t; /* 8-bit byte */
-typedef unsigned int md5_word_t; /* 32-bit word */
-
-/* Define the state of the MD5 Algorithm. */
-typedef struct md5_state_s {
-		md5_word_t count[2];				/* message length in bits, lsw first */
-		md5_word_t abcd[4];					/* digest buffer */
-		md5_byte_t buf[64];					/* accumulate block */
-} md5_state_t;
-
-#define T_MASK ((md5_word_t)~0)
-#define T1 /* 0xd76aa478 */ (T_MASK ^ 0x28955b87)
-#define T2 /* 0xe8c7b756 */ (T_MASK ^ 0x173848a9)
-#define T3		0x242070db
-#define T4 /* 0xc1bdceee */ (T_MASK ^ 0x3e423111)
-#define T5 /* 0xf57c0faf */ (T_MASK ^ 0x0a83f050)
-#define T6		0x4787c62a
-#define T7 /* 0xa8304613 */ (T_MASK ^ 0x57cfb9ec)
-#define T8 /* 0xfd469501 */ (T_MASK ^ 0x02b96afe)
-#define T9		0x698098d8
-#define T10 /* 0x8b44f7af */ (T_MASK ^ 0x74bb0850)
-#define T11 /* 0xffff5bb1 */ (T_MASK ^ 0x0000a44e)
-#define T12 /* 0x895cd7be */ (T_MASK ^ 0x76a32841)
-#define T13		 0x6b901122
-#define T14 /* 0xfd987193 */ (T_MASK ^ 0x02678e6c)
-#define T15 /* 0xa679438e */ (T_MASK ^ 0x5986bc71)
-#define T16		 0x49b40821
-#define T17 /* 0xf61e2562 */ (T_MASK ^ 0x09e1da9d)
-#define T18 /* 0xc040b340 */ (T_MASK ^ 0x3fbf4cbf)
-#define T19		 0x265e5a51
-#define T20 /* 0xe9b6c7aa */ (T_MASK ^ 0x16493855)
-#define T21 /* 0xd62f105d */ (T_MASK ^ 0x29d0efa2)
-#define T22		 0x02441453
-#define T23 /* 0xd8a1e681 */ (T_MASK ^ 0x275e197e)
-#define T24 /* 0xe7d3fbc8 */ (T_MASK ^ 0x182c0437)
-#define T25		 0x21e1cde6
-#define T26 /* 0xc33707d6 */ (T_MASK ^ 0x3cc8f829)
-#define T27 /* 0xf4d50d87 */ (T_MASK ^ 0x0b2af278)
-#define T28		 0x455a14ed
-#define T29 /* 0xa9e3e905 */ (T_MASK ^ 0x561c16fa)
-#define T30 /* 0xfcefa3f8 */ (T_MASK ^ 0x03105c07)
-#define T31		 0x676f02d9
-#define T32 /* 0x8d2a4c8a */ (T_MASK ^ 0x72d5b375)
-#define T33 /* 0xfffa3942 */ (T_MASK ^ 0x0005c6bd)
-#define T34 /* 0x8771f681 */ (T_MASK ^ 0x788e097e)
-#define T35		 0x6d9d6122
-#define T36 /* 0xfde5380c */ (T_MASK ^ 0x021ac7f3)
-#define T37 /* 0xa4beea44 */ (T_MASK ^ 0x5b4115bb)
-#define T38		 0x4bdecfa9
-#define T39 /* 0xf6bb4b60 */ (T_MASK ^ 0x0944b49f)
-#define T40 /* 0xbebfbc70 */ (T_MASK ^ 0x4140438f)
-#define T41		 0x289b7ec6
-#define T42 /* 0xeaa127fa */ (T_MASK ^ 0x155ed805)
-#define T43 /* 0xd4ef3085 */ (T_MASK ^ 0x2b10cf7a)
-#define T44		 0x04881d05
-#define T45 /* 0xd9d4d039 */ (T_MASK ^ 0x262b2fc6)
-#define T46 /* 0xe6db99e5 */ (T_MASK ^ 0x1924661a)
-#define T47		 0x1fa27cf8
-#define T48 /* 0xc4ac5665 */ (T_MASK ^ 0x3b53a99a)
-#define T49 /* 0xf4292244 */ (T_MASK ^ 0x0bd6ddbb)
-#define T50		 0x432aff97
-#define T51 /* 0xab9423a7 */ (T_MASK ^ 0x546bdc58)
-#define T52 /* 0xfc93a039 */ (T_MASK ^ 0x036c5fc6)
-#define T53		 0x655b59c3
-#define T54 /* 0x8f0ccc92 */ (T_MASK ^ 0x70f3336d)
-#define T55 /* 0xffeff47d */ (T_MASK ^ 0x00100b82)
-#define T56 /* 0x85845dd1 */ (T_MASK ^ 0x7a7ba22e)
-#define T57		 0x6fa87e4f
-#define T58 /* 0xfe2ce6e0 */ (T_MASK ^ 0x01d3191f)
-#define T59 /* 0xa3014314 */ (T_MASK ^ 0x5cfebceb)
-#define T60		 0x4e0811a1
-#define T61 /* 0xf7537e82 */ (T_MASK ^ 0x08ac817d)
-#define T62 /* 0xbd3af235 */ (T_MASK ^ 0x42c50dca)
-#define T63		 0x2ad7d2bb
-#define T64 /* 0xeb86d391 */ (T_MASK ^ 0x14792c6e)
-
-
-static void md5_process(md5_state_t *pms, const md5_byte_t *data /*[64]*/) {
-		md5_word_t
-		a = pms->abcd[0], b = pms->abcd[1],
-		c = pms->abcd[2], d = pms->abcd[3];
-		md5_word_t t;
-#ifdef SWIFTEN_LITTLE_ENDIAN
-		/* Define storage for little-endian or both types of CPUs. */
-		md5_word_t xbuf[16];
-		const md5_word_t *X;
-#else
-		/* Define storage only for big-endian CPUs. */
-		md5_word_t X[16];
-#endif
-
-		{
-#ifdef SWIFTEN_LITTLE_ENDIAN
-				{
-						/*
-						 * On little-endian machines, we can process properly aligned
-						 * data without copying it.
-						 */
-						if (!((data - (const md5_byte_t *)0) & 3)) {
-								/* data are properly aligned */
-								X = (const md5_word_t *)data;
-						} else {
-								/* not aligned */
-								memcpy(xbuf, data, 64);
-								X = xbuf;
-						}
-				}
-#else
-				{
-						/*
-						 * On big-endian machines, we must arrange the bytes in the
-						 * right order.
-						 */
-						const md5_byte_t *xp = data;
-						int i;
-
-						for (i = 0; i < 16; ++i, xp += 4)
-								X[i] = xp[0] + (xp[1] << 8) + (xp[2] << 16) + (xp[3] << 24);
-				}
-#endif
-		}
-
-#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32 - (n))))
-
-		/* Round 1. */
-		/* Let [abcd k s i] denote the operation
-			 a = b + ((a + F(b,c,d) + X[k] + T[i]) <<< s). */
-#define F(x, y, z) (((x) & (y)) | (~(x) & (z)))
-#define SET(a, b, c, d, k, s, Ti)\
-	t = a + F(b,c,d) + X[k] + Ti;\
-	a = ROTATE_LEFT(t, s) + b
-		/* Do the following 16 operations. */
-		SET(a, b, c, d,  0,  7,  T1);
-		SET(d, a, b, c,  1, 12,  T2);
-		SET(c, d, a, b,  2, 17,  T3);
-		SET(b, c, d, a,  3, 22,  T4);
-		SET(a, b, c, d,  4,  7,  T5);
-		SET(d, a, b, c,  5, 12,  T6);
-		SET(c, d, a, b,  6, 17,  T7);
-		SET(b, c, d, a,  7, 22,  T8);
-		SET(a, b, c, d,  8,  7,  T9);
-		SET(d, a, b, c,  9, 12, T10);
-		SET(c, d, a, b, 10, 17, T11);
-		SET(b, c, d, a, 11, 22, T12);
-		SET(a, b, c, d, 12,  7, T13);
-		SET(d, a, b, c, 13, 12, T14);
-		SET(c, d, a, b, 14, 17, T15);
-		SET(b, c, d, a, 15, 22, T16);
-#undef SET
-
-		 /* Round 2. */
-		 /* Let [abcd k s i] denote the operation
-					a = b + ((a + G(b,c,d) + X[k] + T[i]) <<< s). */
-#define G(x, y, z) (((x) & (z)) | ((y) & ~(z)))
-#define SET(a, b, c, d, k, s, Ti)\
-	t = a + G(b,c,d) + X[k] + Ti;\
-	a = ROTATE_LEFT(t, s) + b
-		 /* Do the following 16 operations. */
-		SET(a, b, c, d,  1,  5, T17);
-		SET(d, a, b, c,  6,  9, T18);
-		SET(c, d, a, b, 11, 14, T19);
-		SET(b, c, d, a,  0, 20, T20);
-		SET(a, b, c, d,  5,  5, T21);
-		SET(d, a, b, c, 10,  9, T22);
-		SET(c, d, a, b, 15, 14, T23);
-		SET(b, c, d, a,  4, 20, T24);
-		SET(a, b, c, d,  9,  5, T25);
-		SET(d, a, b, c, 14,  9, T26);
-		SET(c, d, a, b,  3, 14, T27);
-		SET(b, c, d, a,  8, 20, T28);
-		SET(a, b, c, d, 13,  5, T29);
-		SET(d, a, b, c,  2,  9, T30);
-		SET(c, d, a, b,  7, 14, T31);
-		SET(b, c, d, a, 12, 20, T32);
-#undef SET
-
-		 /* Round 3. */
-		 /* Let [abcd k s t] denote the operation
-					a = b + ((a + H(b,c,d) + X[k] + T[i]) <<< s). */
-#define H(x, y, z) ((x) ^ (y) ^ (z))
-#define SET(a, b, c, d, k, s, Ti)\
-	t = a + H(b,c,d) + X[k] + Ti;\
-	a = ROTATE_LEFT(t, s) + b
-		 /* Do the following 16 operations. */
-		SET(a, b, c, d,  5,  4, T33);
-		SET(d, a, b, c,  8, 11, T34);
-		SET(c, d, a, b, 11, 16, T35);
-		SET(b, c, d, a, 14, 23, T36);
-		SET(a, b, c, d,  1,  4, T37);
-		SET(d, a, b, c,  4, 11, T38);
-		SET(c, d, a, b,  7, 16, T39);
-		SET(b, c, d, a, 10, 23, T40);
-		SET(a, b, c, d, 13,  4, T41);
-		SET(d, a, b, c,  0, 11, T42);
-		SET(c, d, a, b,  3, 16, T43);
-		SET(b, c, d, a,  6, 23, T44);
-		SET(a, b, c, d,  9,  4, T45);
-		SET(d, a, b, c, 12, 11, T46);
-		SET(c, d, a, b, 15, 16, T47);
-		SET(b, c, d, a,  2, 23, T48);
-#undef SET
-
-		 /* Round 4. */
-		 /* Let [abcd k s t] denote the operation
-					a = b + ((a + I(b,c,d) + X[k] + T[i]) <<< s). */
-#define I(x, y, z) ((y) ^ ((x) | ~(z)))
-#define SET(a, b, c, d, k, s, Ti)\
-	t = a + I(b,c,d) + X[k] + Ti;\
-	a = ROTATE_LEFT(t, s) + b
-		 /* Do the following 16 operations. */
-		SET(a, b, c, d,  0,  6, T49);
-		SET(d, a, b, c,  7, 10, T50);
-		SET(c, d, a, b, 14, 15, T51);
-		SET(b, c, d, a,  5, 21, T52);
-		SET(a, b, c, d, 12,  6, T53);
-		SET(d, a, b, c,  3, 10, T54);
-		SET(c, d, a, b, 10, 15, T55);
-		SET(b, c, d, a,  1, 21, T56);
-		SET(a, b, c, d,  8,  6, T57);
-		SET(d, a, b, c, 15, 10, T58);
-		SET(c, d, a, b,  6, 15, T59);
-		SET(b, c, d, a, 13, 21, T60);
-		SET(a, b, c, d,  4,  6, T61);
-		SET(d, a, b, c, 11, 10, T62);
-		SET(c, d, a, b,  2, 15, T63);
-		SET(b, c, d, a,  9, 21, T64);
-#undef SET
-
-		 /* Then perform the following additions. (That is increment each
-				of the four registers by the value it had before this block
-				was started.) */
-		pms->abcd[0] += a;
-		pms->abcd[1] += b;
-		pms->abcd[2] += c;
-		pms->abcd[3] += d;
-}
-
-void
-md5_init(md5_state_t *pms)
-{
-		pms->count[0] = pms->count[1] = 0;
-		pms->abcd[0] = 0x67452301;
-		pms->abcd[1] = /*0xefcdab89*/ T_MASK ^ 0x10325476;
-		pms->abcd[2] = /*0x98badcfe*/ T_MASK ^ 0x67452301;
-		pms->abcd[3] = 0x10325476;
-}
-
-void
-md5_append(md5_state_t *pms, const md5_byte_t *data, int nbytes)
-{
-		const md5_byte_t *p = data;
-		int left = nbytes;
-		int offset = (pms->count[0] >> 3) & 63;
-		md5_word_t nbits = (md5_word_t)(nbytes << 3);
-
-		if (nbytes <= 0)
-				return;
-
-		/* Update the message length. */
-		pms->count[1] += nbytes >> 29;
-		pms->count[0] += nbits;
-		if (pms->count[0] < nbits)
-				pms->count[1]++;
-
-		/* Process an initial partial block. */
-		if (offset) {
-				int copy = (offset + nbytes > 64 ? 64 - offset : nbytes);
-
-				memcpy(pms->buf + offset, p, copy);
-				if (offset + copy < 64)
-						return;
-				p += copy;
-				left -= copy;
-				md5_process(pms, pms->buf);
-		}
-
-		/* Process full blocks. */
-		for (; left >= 64; p += 64, left -= 64)
-				md5_process(pms, p);
-
-		/* Process a final partial block. */
-		if (left)
-				memcpy(pms->buf, p, left);
-}
-
-void
-md5_finish(md5_state_t *pms, md5_byte_t digest[16])
-{
-		static const md5_byte_t pad[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
-		};
-		md5_byte_t data[8];
-		int i;
-
-		/* Save the length before padding. */
-		for (i = 0; i < 8; ++i)
-				data[i] = (md5_byte_t)(pms->count[i >> 2] >> ((i & 3) << 3));
-		/* Pad to 56 bytes mod 64. */
-		md5_append(pms, pad, ((55 - (pms->count[0] >> 3)) & 63) + 1);
-		/* Append the length. */
-		md5_append(pms, data, 8);
-		for (i = 0; i < 16; ++i)
-				digest[i] = (md5_byte_t)(pms->abcd[i >> 2] >> ((i & 3) << 3));
-}
-
-namespace {
-	template<typename SourceType>
-	ByteArray getMD5Hash(const SourceType& data) {
-		ByteArray digest;
-		digest.resize(16);
-
-		md5_state_t state;
-		md5_init(&state);
-		md5_append(&state, reinterpret_cast<const md5_byte_t*>(vecptr(data)), data.size());
-		md5_finish(&state, reinterpret_cast<md5_byte_t*>(vecptr(digest)));
-
-		return digest;
-	}
-}
-
-MD5::MD5() {
-	state = new md5_state_t;
-	md5_init(state);
-}
-
-MD5::~MD5() {
-	delete state;
-}
-
-MD5& MD5::update(const std::vector<unsigned char>& input) {
-	md5_append(state, reinterpret_cast<const md5_byte_t*>(vecptr(input)), input.size());
-	return *this;
-}
-
-std::vector<unsigned char> MD5::getHash() {
-	ByteArray digest;
-	digest.resize(16);
-	md5_finish(state, reinterpret_cast<md5_byte_t*>(vecptr(digest)));
-	return digest;
-}
-
-ByteArray MD5::getHash(const ByteArray& data) {
-	return getMD5Hash(data);
-}
-
-ByteArray MD5::getHash(const SafeByteArray& data) {
-	return getMD5Hash(data);
-}
-
-bool MD5::isAllowedForCrypto() {
-#ifdef SWIFTEN_PLATFORM_WIN32
-	return !WindowsRegistry::isFIPSEnabled();
-#else
-	return true;
-#endif
-}
-
-}
author	Remko Tronçon <git@el-tramo.be>	2013-04-26 20:07:58 (GMT)
committer	Remko Tronçon <git@el-tramo.be>	2013-04-27 11:02:06 (GMT)
commit	5d8c328e236f57d7390d32f9ea7bd17a31e1e740 (patch)
tree	bebe606707a6b835fe3fd15e694d629b5e420947 /Swiften/StringCodecs/MD5.cpp
parent	aa131405927fc7f597ed06aff71abb0a30b59926 (diff)
download	swift-5d8c328e236f57d7390d32f9ea7bd17a31e1e740.zip swift-5d8c328e236f57d7390d32f9ea7bd17a31e1e740.tar.bz2