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