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1 /* crypto/md4/md4_locl.h */ | |
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
3 * All rights reserved. | |
4 * | |
5 * This package is an SSL implementation written | |
6 * by Eric Young (eay@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@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@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@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@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); }; | |
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