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- /*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the OpenSSL license (the "License"). You may not use
- * this file except in compliance with the License. You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
- #include <stdlib.h>
- #include <string.h>
- #include <openssl/opensslconf.h>
- #include <openssl/md4.h>
- void md4_block_data_order(MD4_CTX *c, const void *p, size_t num);
- #define DATA_ORDER_IS_LITTLE_ENDIAN
- #define HASH_LONG MD4_LONG
- #define HASH_CTX MD4_CTX
- #define HASH_CBLOCK MD4_CBLOCK
- #define HASH_UPDATE MD4_Update
- #define HASH_TRANSFORM MD4_Transform
- #define HASH_FINAL MD4_Final
- #define HASH_MAKE_STRING(c,s) do { \
- unsigned long ll; \
- ll=(c)->A; (void)HOST_l2c(ll,(s)); \
- ll=(c)->B; (void)HOST_l2c(ll,(s)); \
- ll=(c)->C; (void)HOST_l2c(ll,(s)); \
- ll=(c)->D; (void)HOST_l2c(ll,(s)); \
- } while (0)
- #define HASH_BLOCK_DATA_ORDER md4_block_data_order
- #include "crypto/md32_common.h"
- /*-
- #define F(x,y,z) (((x) & (y)) | ((~(x)) & (z)))
- #define G(x,y,z) (((x) & (y)) | ((x) & ((z))) | ((y) & ((z))))
- */
- /*
- * As pointed out by Wei Dai, the above can be simplified to the code
- * below. Wei attributes these optimizations to Peter Gutmann's SHS code,
- * and he attributes it to Rich Schroeppel.
- */
- #define F(b,c,d) ((((c) ^ (d)) & (b)) ^ (d))
- #define G(b,c,d) (((b) & (c)) | ((b) & (d)) | ((c) & (d)))
- #define H(b,c,d) ((b) ^ (c) ^ (d))
- #define R0(a,b,c,d,k,s,t) { \
- a+=((k)+(t)+F((b),(c),(d))); \
- a=ROTATE(a,s); };
- #define R1(a,b,c,d,k,s,t) { \
- a+=((k)+(t)+G((b),(c),(d))); \
- a=ROTATE(a,s); };
- #define R2(a,b,c,d,k,s,t) { \
- a+=((k)+(t)+H((b),(c),(d))); \
- a=ROTATE(a,s); };
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