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#ifndef __OSSL_SHA_H__
11#define	__OSSL_SHA_H__
12
13/*
14 * This is always included last which permits the namespace hacks below
15 * to work.
16 */
17#define	SHA256_CTX	OSSL_SHA256_CTX
18#define	SHA512_CTX	OSSL_SHA512_CTX
19
20/* From include/openssl/sha.h */
21# define SHA_LONG unsigned int
22
23# define SHA_LBLOCK      16
24# define SHA_CBLOCK      (SHA_LBLOCK*4)/* SHA treats input data as a
25                                        * contiguous array of 32 bit wide
26                                        * big-endian values. */
27
28typedef struct SHAstate_st {
29    SHA_LONG h0, h1, h2, h3, h4;
30    SHA_LONG Nl, Nh;
31    SHA_LONG data[SHA_LBLOCK];
32    unsigned int num;
33} SHA_CTX;
34
35# define SHA256_CBLOCK   (SHA_LBLOCK*4)/* SHA-256 treats input data as a
36                                        * contiguous array of 32 bit wide
37                                        * big-endian values. */
38
39typedef struct SHA256state_st {
40    SHA_LONG h[8];
41    SHA_LONG Nl, Nh;
42    SHA_LONG data[SHA_LBLOCK];
43    unsigned int num, md_len;
44} SHA256_CTX;
45
46/*
47 * SHA-512 treats input data as a
48 * contiguous array of 64 bit
49 * wide big-endian values.
50 */
51# define SHA512_CBLOCK   (SHA_LBLOCK*8)
52
53#  define SHA_LONG64 unsigned long long
54#  define U64(C)     C##ULL
55
56typedef struct SHA512state_st {
57    SHA_LONG64 h[8];
58    SHA_LONG64 Nl, Nh;
59    union {
60        SHA_LONG64 d[SHA_LBLOCK];
61        unsigned char p[SHA512_CBLOCK];
62    } u;
63    unsigned int num, md_len;
64} SHA512_CTX;
65
66#endif /* !__OSSL_SHA_H__ */
67