1/*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (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/ripemd.h>
14
15/*
16 * DO EXAMINE COMMENTS IN crypto/md5/md5_local.h & crypto/md5/md5_dgst.c
17 * FOR EXPLANATIONS ON FOLLOWING "CODE."
18 */
19#ifdef RMD160_ASM
20# if defined(__i386) || defined(__i386__) || defined(_M_IX86)
21# define ripemd160_block_data_order ripemd160_block_asm_data_order
22# endif
23#endif
24
25void ripemd160_block_data_order(RIPEMD160_CTX *c, const void *p, size_t num);
26
27#define DATA_ORDER_IS_LITTLE_ENDIAN
28
29#define HASH_LONG RIPEMD160_LONG
30#define HASH_CTX RIPEMD160_CTX
31#define HASH_CBLOCK RIPEMD160_CBLOCK
32#define HASH_UPDATE RIPEMD160_Update
33#define HASH_TRANSFORM RIPEMD160_Transform
34#define HASH_FINAL RIPEMD160_Final
35#define HASH_MAKE_STRING(c,s) do { \
36 unsigned long ll; \
37 ll=(c)->A; (void)HOST_l2c(ll,(s)); \
38 ll=(c)->B; (void)HOST_l2c(ll,(s)); \
39 ll=(c)->C; (void)HOST_l2c(ll,(s)); \
40 ll=(c)->D; (void)HOST_l2c(ll,(s)); \
41 ll=(c)->E; (void)HOST_l2c(ll,(s)); \
42 } while (0)
43#define HASH_BLOCK_DATA_ORDER ripemd160_block_data_order
44
45#include "crypto/md32_common.h"
46
47/*
48 * Transformed F2 and F4 are courtesy of Wei Dai
49 */
50#define F1(x,y,z) ((x) ^ (y) ^ (z))
51#define F2(x,y,z) ((((y) ^ (z)) & (x)) ^ (z))
52#define F3(x,y,z) (((~(y)) | (x)) ^ (z))
53#define F4(x,y,z) ((((x) ^ (y)) & (z)) ^ (y))
54#define F5(x,y,z) (((~(z)) | (y)) ^ (x))
55
56#define RIPEMD160_A 0x67452301L
57#define RIPEMD160_B 0xEFCDAB89L
58#define RIPEMD160_C 0x98BADCFEL
59#define RIPEMD160_D 0x10325476L
60#define RIPEMD160_E 0xC3D2E1F0L
61
62#include "rmdconst.h"
63
64#define RIP1(a,b,c,d,e,w,s) { \
65 a+=F1(b,c,d)+X(w); \
66 a=ROTATE(a,s)+e; \
67 c=ROTATE(c,10); }
68
69#define RIP2(a,b,c,d,e,w,s,K) { \
70 a+=F2(b,c,d)+X(w)+K; \
71 a=ROTATE(a,s)+e; \
72 c=ROTATE(c,10); }
73
74#define RIP3(a,b,c,d,e,w,s,K) { \
75 a+=F3(b,c,d)+X(w)+K; \
76 a=ROTATE(a,s)+e; \
77 c=ROTATE(c,10); }
78
79#define RIP4(a,b,c,d,e,w,s,K) { \
80 a+=F4(b,c,d)+X(w)+K; \
81 a=ROTATE(a,s)+e; \
82 c=ROTATE(c,10); }
83
84#define RIP5(a,b,c,d,e,w,s,K) { \
85 a+=F5(b,c,d)+X(w)+K; \
86 a=ROTATE(a,s)+e; \
87 c=ROTATE(c,10); }
88