yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. |
| 3 | * |
| 4 | * Licensed under the OpenSSL license (the "License"). You may not use |
| 5 | * this file except in compliance with the License. You can obtain a copy |
| 6 | * in the file LICENSE in the source distribution or at |
| 7 | * https://www.openssl.org/source/license.html |
| 8 | */ |
| 9 | |
| 10 | #include <stdlib.h> |
| 11 | #include <string.h> |
| 12 | #include <openssl/opensslconf.h> |
| 13 | #include <openssl/md4.h> |
| 14 | |
| 15 | void md4_block_data_order(MD4_CTX *c, const void *p, size_t num); |
| 16 | |
| 17 | #define DATA_ORDER_IS_LITTLE_ENDIAN |
| 18 | |
| 19 | #define HASH_LONG MD4_LONG |
| 20 | #define HASH_CTX MD4_CTX |
| 21 | #define HASH_CBLOCK MD4_CBLOCK |
| 22 | #define HASH_UPDATE MD4_Update |
| 23 | #define HASH_TRANSFORM MD4_Transform |
| 24 | #define HASH_FINAL MD4_Final |
| 25 | #define HASH_MAKE_STRING(c,s) do { \ |
| 26 | unsigned long ll; \ |
| 27 | ll=(c)->A; (void)HOST_l2c(ll,(s)); \ |
| 28 | ll=(c)->B; (void)HOST_l2c(ll,(s)); \ |
| 29 | ll=(c)->C; (void)HOST_l2c(ll,(s)); \ |
| 30 | ll=(c)->D; (void)HOST_l2c(ll,(s)); \ |
| 31 | } while (0) |
| 32 | #define HASH_BLOCK_DATA_ORDER md4_block_data_order |
| 33 | |
| 34 | #include "crypto/md32_common.h" |
| 35 | |
| 36 | /*- |
| 37 | #define F(x,y,z) (((x) & (y)) | ((~(x)) & (z))) |
| 38 | #define G(x,y,z) (((x) & (y)) | ((x) & ((z))) | ((y) & ((z)))) |
| 39 | */ |
| 40 | |
| 41 | /* |
| 42 | * As pointed out by Wei Dai, the above can be simplified to the code |
| 43 | * below. Wei attributes these optimizations to Peter Gutmann's SHS code, |
| 44 | * and he attributes it to Rich Schroeppel. |
| 45 | */ |
| 46 | #define F(b,c,d) ((((c) ^ (d)) & (b)) ^ (d)) |
| 47 | #define G(b,c,d) (((b) & (c)) | ((b) & (d)) | ((c) & (d))) |
| 48 | #define H(b,c,d) ((b) ^ (c) ^ (d)) |
| 49 | |
| 50 | #define R0(a,b,c,d,k,s,t) { \ |
| 51 | a+=((k)+(t)+F((b),(c),(d))); \ |
| 52 | a=ROTATE(a,s); }; |
| 53 | |
| 54 | #define R1(a,b,c,d,k,s,t) { \ |
| 55 | a+=((k)+(t)+G((b),(c),(d))); \ |
| 56 | a=ROTATE(a,s); }; |
| 57 | |
| 58 | #define R2(a,b,c,d,k,s,t) { \ |
| 59 | a+=((k)+(t)+H((b),(c),(d))); \ |
| 60 | a=ROTATE(a,s); }; |