1 /* crypto/md4/md4_locl.h */ 2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh (at) cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay (at) cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #include <stdlib.h> 60 #include <string.h> 61 #include <openssl/opensslconf.h> 62 #include <openssl/md4.h> 63 64 #ifndef MD4_LONG_LOG2 65 #define MD4_LONG_LOG2 2 /* default to 32 bits */ 66 #endif 67 68 void md4_block_data_order (MD4_CTX *c, const void *p,size_t num); 69 70 #define DATA_ORDER_IS_LITTLE_ENDIAN 71 72 #define HASH_LONG MD4_LONG 73 #define HASH_CTX MD4_CTX 74 #define HASH_CBLOCK MD4_CBLOCK 75 #define HASH_UPDATE MD4_Update 76 #define HASH_TRANSFORM MD4_Transform 77 #define HASH_FINAL MD4_Final 78 #define HASH_MAKE_STRING(c,s) do { \ 79 unsigned long ll; \ 80 ll=(c)->A; (void)HOST_l2c(ll,(s)); \ 81 ll=(c)->B; (void)HOST_l2c(ll,(s)); \ 82 ll=(c)->C; (void)HOST_l2c(ll,(s)); \ 83 ll=(c)->D; (void)HOST_l2c(ll,(s)); \ 84 } while (0) 85 #define HASH_BLOCK_DATA_ORDER md4_block_data_order 86 87 #include "md32_common.h" 88 89 /* 90 #define F(x,y,z) (((x) & (y)) | ((~(x)) & (z))) 91 #define G(x,y,z) (((x) & (y)) | ((x) & ((z))) | ((y) & ((z)))) 92 */ 93 94 /* As pointed out by Wei Dai <weidai (at) eskimo.com>, the above can be 95 * simplified to the code below. Wei attributes these optimizations 96 * to Peter Gutmann's SHS code, and he attributes it to Rich Schroeppel. 97 */ 98 #define F(b,c,d) ((((c) ^ (d)) & (b)) ^ (d)) 99 #define G(b,c,d) (((b) & (c)) | ((b) & (d)) | ((c) & (d))) 100 #define H(b,c,d) ((b) ^ (c) ^ (d)) 101 102 #define R0(a,b,c,d,k,s,t) { \ 103 a+=((k)+(t)+F((b),(c),(d))); \ 104 a=ROTATE(a,s); }; 105 106 #define R1(a,b,c,d,k,s,t) { \ 107 a+=((k)+(t)+G((b),(c),(d))); \ 108 a=ROTATE(a,s); };\ 109 110 #define R2(a,b,c,d,k,s,t) { \ 111 a+=((k)+(t)+H((b),(c),(d))); \ 112 a=ROTATE(a,s); }; 113
