diff options
author | Colin Walters <walters@verbum.org> | 2012-12-03 14:20:46 -0500 |
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committer | Colin Walters <walters@verbum.org> | 2012-12-03 17:16:40 -0500 |
commit | 03dc53b111d2aeeca15dcacac8bb22f8a21fe118 (patch) | |
tree | 02a4ce3e40dd947ea2fb5793263058f739bbb1a2 /common | |
parent | a6ef96b47afaa74b563ad0da69476af394c3e563 (diff) | |
download | gdm-03dc53b111d2aeeca15dcacac8bb22f8a21fe118.tar.gz |
gdm-md5: Delete
Nothing was using it...
https://bugzilla.gnome.org/show_bug.cgi?id=689569
Diffstat (limited to 'common')
-rw-r--r-- | common/Makefile.am | 2 | ||||
-rw-r--r-- | common/gdm-md5.c | 457 | ||||
-rw-r--r-- | common/gdm-md5.h | 50 |
3 files changed, 0 insertions, 509 deletions
diff --git a/common/Makefile.am b/common/Makefile.am index 11cd473d..8bbe9c53 100644 --- a/common/Makefile.am +++ b/common/Makefile.am @@ -86,8 +86,6 @@ libgdmcommon_la_SOURCES = \ gdm-settings-client.c \ gdm-log.h \ gdm-log.c \ - gdm-md5.h \ - gdm-md5.c \ gdm-signal-handler.h \ gdm-signal-handler.c \ $(MKDTEMP_FILES) \ diff --git a/common/gdm-md5.c b/common/gdm-md5.c deleted file mode 100644 index 37078814..00000000 --- a/common/gdm-md5.c +++ /dev/null @@ -1,457 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- - * - * gdm-md5.c md5 implementation (based on L Peter Deutsch implementation) - * - * Copyright (C) 2003 Red Hat Inc. - * Copyright (C) 1999, 2000 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 - */ -/* - * Independent implementation of MD5 (RFC 1321). - * - * This code implements the MD5 Algorithm defined in RFC 1321. - * It is derived directly from the text of the RFC and not from the - * reference implementation. - * - * The original and principal author of md5.c is L. Peter Deutsch - * <ghost@aladdin.com>. - */ - -/* This GDM version was modified for glib from dbus-md5.c */ - -#include <string.h> -#include <glib.h> - -#include "gdm-md5.h" - -/** - * @defgroup GdmMD5Internals MD5 implementation details - * @ingroup GdmInternals - * @brief Internals of MD5 implementation. - * - * The implementation of MD5 (see http://www.ietf.org/rfc/rfc1321.txt). - * This MD5 implementation was written by L. Peter Deutsch and - * is not derived from the RSA reference implementation in the - * RFC. The version included in D-Bus comes from the Ghostscript - * 7.05 distribution. - * - * @{ - */ -#ifndef DOXYGEN_SHOULD_SKIP_THIS -/* - * For reference, here is the program that computed the T values. - */ -#ifdef COMPUTE_T_VALUES -#include <math.h> -int -main(int argc, char **argv) -{ - int i; - for (i = 1; i <= 64; ++i) - { - unsigned long v = (unsigned long)(4294967296.0 * fabs(sin((double)i))); - - /* - * The following nonsense is only to avoid compiler warnings about - * "integer constant is unsigned in ANSI C, signed with -traditional". - */ - if (v >> 31) - { - printf("#define T%d /* 0x%08lx */ (T_MASK ^ 0x%08lx)\n", i, - v, (unsigned long)(unsigned int)(~v)); - } else { - printf("#define T%d 0x%08lx\n", i, v); - } - } - return 0; -} -#endif /* COMPUTE_T_VALUES */ -/* - * End of T computation program. - */ - -#define T_MASK ((guint32)~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) -#endif /* !DOXYGEN_SHOULD_SKIP_THIS */ - -static void -md5_process (GdmMD5Context *context, - const unsigned char *data /*[64]*/) -{ - guint32 - a = context->abcd[0], b = context->abcd[1], - c = context->abcd[2], d = context->abcd[3]; - guint32 t; - -#ifdef WORDS_BIGENDIAN - /* - * On big-endian machines, we must arrange the bytes in the right - * order. (This also works on machines of unknown byte order.) - */ - guint32 X[16]; - const unsigned char *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); - -#else /* !WORDS_BIGENDIAN */ - /* - * On little-endian machines, we can process properly aligned data - * without copying it. - */ - guint32 xbuf[16]; - const guint32 *X; - - if (!((data - (const unsigned char *)0) & 3)) - { - /* data are properly aligned */ - X = (const guint32 *)data; - } - else - { - /* not aligned */ - memcpy(xbuf, data, 64); - X = xbuf; - } -#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.) */ - context->abcd[0] += a; - context->abcd[1] += b; - context->abcd[2] += c; - context->abcd[3] += d; -} - -static void -md5_init (GdmMD5Context *context) -{ - context->count[0] = context->count[1] = 0; - context->abcd[0] = 0x67452301; - context->abcd[1] = /*0xefcdab89*/ T_MASK ^ 0x10325476; - context->abcd[2] = /*0x98badcfe*/ T_MASK ^ 0x67452301; - context->abcd[3] = 0x10325476; -} - -static void -md5_append (GdmMD5Context *context, - const unsigned char *data, - int nbytes) -{ - const unsigned char *p = data; - int left = nbytes; - int offset = (context->count[0] >> 3) & 63; - guint32 nbits = (guint32)(nbytes << 3); - - if (nbytes <= 0) - return; - - /* Update the message length. */ - context->count[1] += nbytes >> 29; - context->count[0] += nbits; - if (context->count[0] < nbits) - context->count[1]++; - - /* Process an initial partial block. */ - if (offset) - { - int copy = (offset + nbytes > 64 ? 64 - offset : nbytes); - - memcpy(context->buf + offset, p, copy); - if (offset + copy < 64) - return; - p += copy; - left -= copy; - md5_process(context, context->buf); - } - - /* Process full blocks. */ - for (; left >= 64; p += 64, left -= 64) - md5_process(context, p); - - /* Process a final partial block. */ - if (left) - memcpy(context->buf, p, left); -} - -static void -md5_finish (GdmMD5Context *context, - unsigned char digest[16]) -{ - static const unsigned char 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 - }; - unsigned char data[8]; - int i; - - /* Save the length before padding. */ - for (i = 0; i < 8; ++i) - data[i] = (unsigned char)(context->count[i >> 2] >> ((i & 3) << 3)); - /* Pad to 56 bytes mod 64. */ - md5_append(context, pad, ((55 - (context->count[0] >> 3)) & 63) + 1); - /* Append the length. */ - md5_append(context, data, 8); - for (i = 0; i < 16; ++i) - digest[i] = (unsigned char)(context->abcd[i >> 2] >> ((i & 3) << 3)); -} - -/** @} */ /* End of internals */ - -/** - * @addtogroup GdmMD5 - * - * @{ - */ - -/** - * Initializes the MD5 context. - * - * @param context an uninitialized context, typically on the stack. - */ -void -gdm_md5_init (GdmMD5Context *context) -{ - md5_init (context); -} - - -/** - * Feeds more data into an existing md5sum computation. - * - * @param context the MD5 context - * @param data the additional data to hash - */ -void -gdm_md5_update (GdmMD5Context *context, - const GString *data) -{ - unsigned int inputLen; - unsigned char *input; - - input = (unsigned char *)data->str; - inputLen = data->len; - - md5_append (context, input, inputLen); -} - -/** - * MD5 finalization. Ends an MD5 message-digest operation, writing the - * the message digest and zeroing the context. The results are - * returned as a raw 16-byte digest, not as the ascii-hex-digits - * string form of the digest. - * - * @param context the MD5 context - * @param results string to append the 16-byte MD5 digest to - * @returns #FALSE if not enough memory to append the digest - * - */ -gboolean -gdm_md5_final (GdmMD5Context *context, - GString *results) -{ - unsigned char digest[16]; - - md5_finish (context, digest); - - if (!g_string_append_len (results, (char *)digest, 16)) - return FALSE; - - /* some kind of security paranoia, though it seems pointless - * to me given the nonzeroed stuff flying around - */ - memset ((void*)context, '\0', sizeof (GdmMD5Context)); - - return TRUE; -} diff --git a/common/gdm-md5.h b/common/gdm-md5.h deleted file mode 100644 index dd31e875..00000000 --- a/common/gdm-md5.h +++ /dev/null @@ -1,50 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- - * - * gdm-md5.h md5 implementation (based on L Peter Deutsch implementation) - * - * Copyright (C) 2003 Red Hat Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - */ - -#ifndef GDM_MD5_H -#define GDM_MD5_H - -#include <glib.h> - -G_BEGIN_DECLS - -typedef struct GdmMD5Context GdmMD5Context; - -/** - * A context used to store the state of the MD5 algorithm - */ -struct GdmMD5Context -{ - guint32 count[2]; /**< message length in bits, lsw first */ - guint32 abcd[4]; /**< digest buffer */ - unsigned char buf[64]; /**< accumulate block */ -}; - -void gdm_md5_init (GdmMD5Context *context); -void gdm_md5_update (GdmMD5Context *context, - const GString *data); -gboolean gdm_md5_final (GdmMD5Context *context, - GString *results); - -G_END_DECLS - -#endif /* GDM_MD5_H */ |