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sha3.h
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1/* @(#)sha3.h 1.6 16/10/26 2015-2016 J. Schilling */
2/* sha3.h */
3/*
4 * SHA3 hash code taken from
5 * https://github.com/rhash/RHash/tree/master/librhash
6 *
7 * Portions Copyright (c) 2015-2016 J. Schilling
8 */
9#ifndef _SCHILY_SHA3_H
10#define _SCHILY_SHA3_H
11
12#ifndef _SCHILY_MCONFIG_H
13#include <schily/mconfig.h>
14#endif
15#include <schily/types.h>
16#include <schily/stdint.h>
17
18#ifdef __cplusplus
19extern "C" {
20#endif
21
22#ifdef HAVE_LONGLONG
23
24#define sha3_224_hash_size 28
25#define sha3_256_hash_size 32
26#define sha3_384_hash_size 48
27#define sha3_512_hash_size 64
28#define sha3_max_permutation_size 25
29#define sha3_max_rate_in_qwords 24
30
31#define SHA3_224_DIGEST_LENGTH sha3_224_hash_size
32#define SHA3_224_DIGEST_STRING_LENGTH (SHA3_224_DIGEST_LENGTH * 2 + 1)
33#define SHA3_256_DIGEST_LENGTH sha3_256_hash_size
34#define SHA3_256_DIGEST_STRING_LENGTH (SHA3_256_DIGEST_LENGTH * 2 + 1)
35#define SHA3_384_DIGEST_LENGTH sha3_384_hash_size
36#define SHA3_384_DIGEST_STRING_LENGTH (SHA3_384_DIGEST_LENGTH * 2 + 1)
37#define SHA3_512_DIGEST_LENGTH sha3_512_hash_size
38#define SHA3_512_DIGEST_STRING_LENGTH (SHA3_512_DIGEST_LENGTH * 2 + 1)
39
40/*
41 * SHA3 Algorithm context.
42 */
43typedef struct sha3_ctx
44{
45 /* 1600 bits algorithm hashing state */
46 UInt64_t hash[sha3_max_permutation_size];
47 /* 1536-bit buffer for leftovers */
48 UInt64_t message[sha3_max_rate_in_qwords];
49 /* count of bytes in the message[] buffer */
50 unsigned rest;
51 /* size of a message block processed at once */
52 unsigned block_size;
53} sha3_ctx, SHA3_CTX;
54
55/* methods for calculating the hash function */
56
57void rhash_sha3_224_init __PR((sha3_ctx *ctx));
58void rhash_sha3_256_init __PR((sha3_ctx *ctx));
59void rhash_sha3_384_init __PR((sha3_ctx *ctx));
60void rhash_sha3_512_init __PR((sha3_ctx *ctx));
61void rhash_sha3_update __PR((sha3_ctx *ctx,
62 const unsigned char *msg,
63 size_t size));
64void rhash_sha3_final __PR((sha3_ctx *ctx, unsigned char *result));
65
66void SHA3_224_Init __PR((SHA3_CTX *ctx));
67void SHA3_256_Init __PR((SHA3_CTX *ctx));
68void SHA3_384_Init __PR((SHA3_CTX *ctx));
69void SHA3_512_Init __PR((SHA3_CTX *ctx));
70void SHA3_Update __PR((SHA3_CTX *ctx,
71 const unsigned char *msg,
72 size_t size));
73void SHA3_Final __PR((unsigned char *result, SHA3_CTX *ctx));
74
75#ifdef USE_KECCAK
76#define rhash_keccak_224_init rhash_sha3_224_init
77#define rhash_keccak_256_init rhash_sha3_256_init
78#define rhash_keccak_384_init rhash_sha3_384_init
79#define rhash_keccak_512_init rhash_sha3_512_init
80#define rhash_keccak_update rhash_sha3_update
81void rhash_keccak_final __PR((sha3_ctx *ctx, unsigned char *result));
82#endif
83
84#endif /* HAVE_LONGLONG */
85
86#ifdef __cplusplus
87}
88#endif
89
90#endif /* _SCHILY_SHA3_H */
#define msg(x)
Definition: auth_time.c:54
GLsizeiptr size
Definition: glext.h:5919
GLuint64EXT * result
Definition: glext.h:11304
static DWORD block_size(DWORD block)
Definition: jsutils.c:66
#define __PR(a)
Definition: prototyp.h:106
Definition: _hash_fun.h:40
Definition: tftpd.h:60