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Diffstat (limited to 'subversion/libsvn_subr/pseudo_md5.c')
| -rw-r--r-- | subversion/libsvn_subr/pseudo_md5.c | 422 |
1 files changed, 0 insertions, 422 deletions
diff --git a/subversion/libsvn_subr/pseudo_md5.c b/subversion/libsvn_subr/pseudo_md5.c deleted file mode 100644 index 8c194f7..0000000 --- a/subversion/libsvn_subr/pseudo_md5.c +++ /dev/null @@ -1,422 +0,0 @@ -/* - * This is work is derived from material Copyright RSA Data Security, Inc. - * - * The RSA copyright statement and Licence for that original material is - * included below. This is followed by the Apache copyright statement and - * licence for the modifications made to that material. - */ - -/* 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. - */ - -/* Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* - * The apr_md5_encode() routine uses much code obtained from the FreeBSD 3.0 - * MD5 crypt() function, which is licenced as follows: - * ---------------------------------------------------------------------------- - * "THE BEER-WARE LICENSE" (Revision 42): - * <phk@login.dknet.dk> wrote this file. As long as you retain this notice you - * can do whatever you want with this stuff. If we meet some day, and you think - * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp - * ---------------------------------------------------------------------------- - */ - -/* - * pseudo_md5.c: md5-esque hash sum calculation for short data blocks. - * Code taken and adapted from the APR (see licenses above). - */ -#include "private/svn_pseudo_md5.h" - -/* Constants for MD5 calculation. - */ - -#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 - -/* 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. - */ -#if defined(_MSC_VER) && _MSC_VER >= 1310 -#pragma intrinsic(_rotl) -#define ROTATE_LEFT(x, n) (_rotl(x,n)) -#else -#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n)))) -#endif - -/* 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) + (apr_uint32_t)(ac); \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ - } -#define GG(a, b, c, d, x, s, ac) { \ - (a) += G ((b), (c), (d)) + (x) + (apr_uint32_t)(ac); \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ - } -#define HH(a, b, c, d, x, s, ac) { \ - (a) += H ((b), (c), (d)) + (x) + (apr_uint32_t)(ac); \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ - } -#define II(a, b, c, d, x, s, ac) { \ - (a) += I ((b), (c), (d)) + (x) + (apr_uint32_t)(ac); \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ - } - -/* The idea of the functions below is as follows: - * - * - The core MD5 algorithm does not assume that the "important" data - * is at the begin of the encryption block, followed by e.g. 0. - * Instead, all bits are equally relevant. - * - * - If some bytes in the input are known to be 0, we may hard-code them. - * With the previous property, it is safe to move them to the upper end - * of the encryption block to maximize the number of steps that can be - * pre-calculated. - * - * - Variable-length streams will use the upper 8 byte of the last - * encryption block to store the stream length in bits (to make 0, 00, - * 000, ... etc. produce different hash sums). - * - * - We will hash at most 63 bytes, i.e. 504 bits. In the standard stream - * implementation, the upper 6 bytes of the last encryption block would - * be 0. We will put at least one non-NULL value in the last 4 bytes. - * Therefore, our input will always be different to a standard MD5 stream - * implementation in either block count, content or both. - * - * - Our length indicator also varies with the number bytes in the input. - * Hence, different pseudo-MD5 input length produces different output - * (with "cryptographic probability") even if the content is all 0 or - * otherwise identical. - * - * - Collisions between pseudo-MD5 and pseudo-MD5 as well as pseudo-MD5 - * and standard MD5 are as likely as any other MD5 collision. - */ - -void svn__pseudo_md5_15(apr_uint32_t digest[4], - const apr_uint32_t x[4]) -{ - apr_uint32_t a = 0x67452301; - apr_uint32_t b = 0xefcdab89; - apr_uint32_t c = 0x98badcfe; - apr_uint32_t d = 0x10325476; - - /* make sure byte 63 gets the marker independently of BE / LE */ - apr_uint32_t x3n = x[3] ^ 0xffffffff; - - /* Round 1 */ - FF(a, b, c, d, 0, S11, 0xd76aa478); /* 1 */ - FF(d, a, b, c, 0, S12, 0xe8c7b756); /* 2 */ - FF(c, d, a, b, 0, S13, 0x242070db); /* 3 */ - FF(b, c, d, a, 0, S14, 0xc1bdceee); /* 4 */ - FF(a, b, c, d, 0, S11, 0xf57c0faf); /* 5 */ - FF(d, a, b, c, 0, S12, 0x4787c62a); /* 6 */ - FF(c, d, a, b, 0, S13, 0xa8304613); /* 7 */ - FF(b, c, d, a, 0, S14, 0xfd469501); /* 8 */ - FF(a, b, c, d, 0, S11, 0x698098d8); /* 9 */ - FF(d, a, b, c, 0, S12, 0x8b44f7af); /* 10 */ - FF(c, d, a, b, 0, S13, 0xffff5bb1); /* 11 */ - FF(b, c, d, a, 0, S14, 0x895cd7be); /* 12 */ - FF(a, b, c, d, x[0], S11, 0x6b901122); /* 13 */ - FF(d, a, b, c, x[1], S12, 0xfd987193); /* 14 */ - FF(c, d, a, b, x[2], S13, 0xa679438e); /* 15 */ - FF(b, c, d, a, x3n, S14, 0x49b40821); /* 16 */ - - /* Round 2 */ - GG(a, b, c, d, 0, S21, 0xf61e2562); /* 17 */ - GG(d, a, b, c, 0, S22, 0xc040b340); /* 18 */ - GG(c, d, a, b, 0, S23, 0x265e5a51); /* 19 */ - GG(b, c, d, a, 0, S24, 0xe9b6c7aa); /* 20 */ - GG(a, b, c, d, 0, S21, 0xd62f105d); /* 21 */ - GG(d, a, b, c, 0, S22, 0x2441453); /* 22 */ - GG(c, d, a, b, x3n, S23, 0xd8a1e681); /* 23 */ - GG(b, c, d, a, 0, S24, 0xe7d3fbc8); /* 24 */ - GG(a, b, c, d, 0, S21, 0x21e1cde6); /* 25 */ - GG(d, a, b, c, x[2], S22, 0xc33707d6); /* 26 */ - GG(c, d, a, b, 0, S23, 0xf4d50d87); /* 27 */ - GG(b, c, d, a, 0, S24, 0x455a14ed); /* 28 */ - GG(a, b, c, d, x[1], S21, 0xa9e3e905); /* 29 */ - GG(d, a, b, c, 0, S22, 0xfcefa3f8); /* 30 */ - GG(c, d, a, b, 0, S23, 0x676f02d9); /* 31 */ - GG(b, c, d, a, x[0], S24, 0x8d2a4c8a); /* 32 */ - - /* Round 3 */ - HH(a, b, c, d, 0, S31, 0xfffa3942); /* 33 */ - HH(d, a, b, c, 0, S32, 0x8771f681); /* 34 */ - HH(c, d, a, b, 0, S33, 0x6d9d6122); /* 35 */ - HH(b, c, d, a, x[2], S34, 0xfde5380c); /* 36 */ - HH(a, b, c, d, 0, S31, 0xa4beea44); /* 37 */ - HH(d, a, b, c, 0, S32, 0x4bdecfa9); /* 38 */ - HH(c, d, a, b, 0, S33, 0xf6bb4b60); /* 39 */ - HH(b, c, d, a, 0, S34, 0xbebfbc70); /* 40 */ - HH(a, b, c, d, x[1], S31, 0x289b7ec6); /* 41 */ - HH(d, a, b, c, 0, S32, 0xeaa127fa); /* 42 */ - HH(c, d, a, b, 0, S33, 0xd4ef3085); /* 43 */ - HH(b, c, d, a, 0, S34, 0x4881d05); /* 44 */ - HH(a, b, c, d, 0, S31, 0xd9d4d039); /* 45 */ - HH(d, a, b, c, x[0], S32, 0xe6db99e5); /* 46 */ - HH(c, d, a, b, x3n, S33, 0x1fa27cf8); /* 47 */ - HH(b, c, d, a, 0, S34, 0xc4ac5665); /* 48 */ - - /* Round 4 */ - II(a, b, c, d, 0, S41, 0xf4292244); /* 49 */ - II(d, a, b, c, 0, S42, 0x432aff97); /* 50 */ - II(c, d, a, b, x[2], S43, 0xab9423a7); /* 51 */ - II(b, c, d, a, 0, S44, 0xfc93a039); /* 52 */ - II(a, b, c, d, x[0], S41, 0x655b59c3); /* 53 */ - II(d, a, b, c, 0, S42, 0x8f0ccc92); /* 54 */ - II(c, d, a, b, 0, S43, 0xffeff47d); /* 55 */ - II(b, c, d, a, 0, S44, 0x85845dd1); /* 56 */ - II(a, b, c, d, 0, S41, 0x6fa87e4f); /* 57 */ - II(d, a, b, c, x3n, S42, 0xfe2ce6e0); /* 58 */ - II(c, d, a, b, 0, S43, 0xa3014314); /* 59 */ - II(b, c, d, a, x[1], S44, 0x4e0811a1); /* 60 */ - II(a, b, c, d, 0, S41, 0xf7537e82); /* 61 */ - II(d, a, b, c, 0, S42, 0xbd3af235); /* 62 */ - II(c, d, a, b, 0, S43, 0x2ad7d2bb); /* 63 */ - II(b, c, d, a, 0, S44, 0xeb86d391); /* 64 */ - - digest[0] = a; - digest[1] = b; - digest[2] = c; - digest[3] = d; -} - -void svn__pseudo_md5_31(apr_uint32_t digest[4], - const apr_uint32_t x[8]) -{ - apr_uint32_t a = 0x67452301; - apr_uint32_t b = 0xefcdab89; - apr_uint32_t c = 0x98badcfe; - apr_uint32_t d = 0x10325476; - - /* make sure byte 63 gets the marker independently of BE / LE */ - apr_uint32_t x7n = x[7] ^ 0xfefefefe; - - /* Round 1 */ - FF(a, b, c, d, 0, S11, 0xd76aa478); /* 1 */ - FF(d, a, b, c, 0, S12, 0xe8c7b756); /* 2 */ - FF(c, d, a, b, 0, S13, 0x242070db); /* 3 */ - FF(b, c, d, a, 0, S14, 0xc1bdceee); /* 4 */ - FF(a, b, c, d, 0, S11, 0xf57c0faf); /* 5 */ - FF(d, a, b, c, 0, S12, 0x4787c62a); /* 6 */ - FF(c, d, a, b, 0, S13, 0xa8304613); /* 7 */ - FF(b, c, d, a, 0, S14, 0xfd469501); /* 8 */ - FF(a, b, c, d, x[0], S11, 0x698098d8); /* 9 */ - FF(d, a, b, c, x[1], S12, 0x8b44f7af); /* 10 */ - FF(c, d, a, b, x[2], S13, 0xffff5bb1); /* 11 */ - FF(b, c, d, a, x[3], S14, 0x895cd7be); /* 12 */ - FF(a, b, c, d, x[4], S11, 0x6b901122); /* 13 */ - FF(d, a, b, c, x[5], S12, 0xfd987193); /* 14 */ - FF(c, d, a, b, x[6], S13, 0xa679438e); /* 15 */ - FF(b, c, d, a, x7n, S14, 0x49b40821); /* 16 */ - - /* Round 2 */ - GG(a, b, c, d, 0, S21, 0xf61e2562); /* 17 */ - GG(d, a, b, c, 0, S22, 0xc040b340); /* 18 */ - GG(c, d, a, b, x[3], S23, 0x265e5a51); /* 19 */ - GG(b, c, d, a, 0, S24, 0xe9b6c7aa); /* 20 */ - GG(a, b, c, d, 0, S21, 0xd62f105d); /* 21 */ - GG(d, a, b, c, x[2], S22, 0x2441453); /* 22 */ - GG(c, d, a, b, x7n, S23, 0xd8a1e681); /* 23 */ - GG(b, c, d, a, 0, S24, 0xe7d3fbc8); /* 24 */ - GG(a, b, c, d, x[1], S21, 0x21e1cde6); /* 25 */ - GG(d, a, b, c, x[6], S22, 0xc33707d6); /* 26 */ - GG(c, d, a, b, 0, S23, 0xf4d50d87); /* 27 */ - GG(b, c, d, a, x[0], S24, 0x455a14ed); /* 28 */ - GG(a, b, c, d, x[5], S21, 0xa9e3e905); /* 29 */ - GG(d, a, b, c, 0, S22, 0xfcefa3f8); /* 30 */ - GG(c, d, a, b, 0, S23, 0x676f02d9); /* 31 */ - GG(b, c, d, a, x[4], S24, 0x8d2a4c8a); /* 32 */ - - /* Round 3 */ - HH(a, b, c, d, 0, S31, 0xfffa3942); /* 33 */ - HH(d, a, b, c, x[0], S32, 0x8771f681); /* 34 */ - HH(c, d, a, b, x[3], S33, 0x6d9d6122); /* 35 */ - HH(b, c, d, a, x[6], S34, 0xfde5380c); /* 36 */ - HH(a, b, c, d, 0, S31, 0xa4beea44); /* 37 */ - HH(d, a, b, c, 0, S32, 0x4bdecfa9); /* 38 */ - HH(c, d, a, b, 0, S33, 0xf6bb4b60); /* 39 */ - HH(b, c, d, a, x[2], S34, 0xbebfbc70); /* 40 */ - HH(a, b, c, d, x[5], S31, 0x289b7ec6); /* 41 */ - HH(d, a, b, c, 0, S32, 0xeaa127fa); /* 42 */ - HH(c, d, a, b, 0, S33, 0xd4ef3085); /* 43 */ - HH(b, c, d, a, 0, S34, 0x4881d05); /* 44 */ - HH(a, b, c, d, x[1], S31, 0xd9d4d039); /* 45 */ - HH(d, a, b, c, x[4], S32, 0xe6db99e5); /* 46 */ - HH(c, d, a, b, x7n, S33, 0x1fa27cf8); /* 47 */ - HH(b, c, d, a, 0, S34, 0xc4ac5665); /* 48 */ - - /* Round 4 */ - II(a, b, c, d, 0, S41, 0xf4292244); /* 49 */ - II(d, a, b, c, 0, S42, 0x432aff97); /* 50 */ - II(c, d, a, b, x[6], S43, 0xab9423a7); /* 51 */ - II(b, c, d, a, 0, S44, 0xfc93a039); /* 52 */ - II(a, b, c, d, x[4], S41, 0x655b59c3); /* 53 */ - II(d, a, b, c, 0, S42, 0x8f0ccc92); /* 54 */ - II(c, d, a, b, x[2], S43, 0xffeff47d); /* 55 */ - II(b, c, d, a, 0, S44, 0x85845dd1); /* 56 */ - II(a, b, c, d, x[0], S41, 0x6fa87e4f); /* 57 */ - II(d, a, b, c, x7n, S42, 0xfe2ce6e0); /* 58 */ - II(c, d, a, b, 0, S43, 0xa3014314); /* 59 */ - II(b, c, d, a, x[5], S44, 0x4e0811a1); /* 60 */ - II(a, b, c, d, 0, S41, 0xf7537e82); /* 61 */ - II(d, a, b, c, x[3], S42, 0xbd3af235); /* 62 */ - II(c, d, a, b, 0, S43, 0x2ad7d2bb); /* 63 */ - II(b, c, d, a, x[1], S44, 0xeb86d391); /* 64 */ - - digest[0] = a; - digest[1] = b; - digest[2] = c; - digest[3] = d; -} - -void svn__pseudo_md5_63(apr_uint32_t digest[4], - const apr_uint32_t x[16]) -{ - apr_uint32_t a = 0x67452301; - apr_uint32_t b = 0xefcdab89; - apr_uint32_t c = 0x98badcfe; - apr_uint32_t d = 0x10325476; - - /* make sure byte 63 gets the marker independently of BE / LE */ - apr_uint32_t x15n = x[15] ^ 0xfcfcfcfc; - - /* 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, x15n, 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, x15n, 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, x15n, 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, x15n, 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 */ - - digest[0] = a; - digest[1] = b; - digest[2] = c; - digest[3] = d; -} |