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blake2-int.h
1/*
2 BLAKE2 reference source code package - reference C implementations
3
4 Written in 2012 by Samuel Neves <sneves@dei.uc.pt>
5
6 To the extent possible under law, the author(s) have dedicated all copyright
7 and related and neighboring rights to this software to the public domain
8 worldwide. This software is distributed without any warranty.
9
10 You should have received a copy of the CC0 Public Domain Dedication along with
11 this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
12*/
13/* blake2-int.h
14 *
15 * Copyright (C) 2006-2020 wolfSSL Inc.
16 *
17 * This file is part of wolfSSL.
18 *
19 * wolfSSL is free software; you can redistribute it and/or modify
20 * it under the terms of the GNU General Public License as published by
21 * the Free Software Foundation; either version 2 of the License, or
22 * (at your option) any later version.
23 *
24 * wolfSSL is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program; if not, write to the Free Software
31 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
32 */
33
34
35
36
37#ifndef WOLFCRYPT_BLAKE2_INT_H
38#define WOLFCRYPT_BLAKE2_INT_H
39
40#include <wolfssl/wolfcrypt/types.h>
41
42
43#if defined(_MSC_VER)
44 #define ALIGN(x) __declspec(align(x))
45#elif defined(__IAR_SYSTEMS_ICC__) || defined(__GNUC__)
46 #define ALIGN(x) __attribute__((aligned(x)))
47#else
48 #define ALIGN(x)
49#endif
50
51
52#if defined(__cplusplus)
53 extern "C" {
54#endif
55
56 enum blake2s_constant
57 {
58 BLAKE2S_BLOCKBYTES = 64,
59 BLAKE2S_OUTBYTES = 32,
60 BLAKE2S_KEYBYTES = 32,
61 BLAKE2S_SALTBYTES = 8,
62 BLAKE2S_PERSONALBYTES = 8
63 };
64
65 enum blake2b_constant
66 {
67 BLAKE2B_BLOCKBYTES = 128,
68 BLAKE2B_OUTBYTES = 64,
69 BLAKE2B_KEYBYTES = 64,
70 BLAKE2B_SALTBYTES = 16,
71 BLAKE2B_PERSONALBYTES = 16
72 };
73
74#pragma pack(push, 1)
75 typedef struct __blake2s_param
76 {
77 byte digest_length; /* 1 */
78 byte key_length; /* 2 */
79 byte fanout; /* 3 */
80 byte depth; /* 4 */
81 word32 leaf_length; /* 8 */
82 byte node_offset[6];/* 14 */
83 byte node_depth; /* 15 */
84 byte inner_length; /* 16 */
85 /* byte reserved[0]; */
86 byte salt[BLAKE2B_SALTBYTES]; /* 24 */
87 byte personal[BLAKE2S_PERSONALBYTES]; /* 32 */
88 } blake2s_param;
89
90 ALIGN( 32 ) typedef struct __blake2s_state
91 {
92 word32 h[8];
93 word32 t[2];
94 word32 f[2];
95 byte buf[2 * BLAKE2S_BLOCKBYTES];
96 word32 buflen;
97 byte last_node;
98 } blake2s_state ;
99
100 typedef struct __blake2b_param
101 {
102 byte digest_length; /* 1 */
103 byte key_length; /* 2 */
104 byte fanout; /* 3 */
105 byte depth; /* 4 */
106 word32 leaf_length; /* 8 */
107 word64 node_offset; /* 16 */
108 byte node_depth; /* 17 */
109 byte inner_length; /* 18 */
110 byte reserved[14]; /* 32 */
111 byte salt[BLAKE2B_SALTBYTES]; /* 48 */
112 byte personal[BLAKE2B_PERSONALBYTES]; /* 64 */
113 } blake2b_param;
114
115 ALIGN( 64 ) typedef struct __blake2b_state
116 {
117 word64 h[8];
118 word64 t[2];
119 word64 f[2];
120 byte buf[2 * BLAKE2B_BLOCKBYTES];
121 word64 buflen;
122 byte last_node;
123 } blake2b_state;
124
125 typedef struct __blake2sp_state
126 {
127 blake2s_state S[8][1];
128 blake2s_state R[1];
129 byte buf[8 * BLAKE2S_BLOCKBYTES];
130 word32 buflen;
131 } blake2sp_state;
132
133 typedef struct __blake2bp_state
134 {
135 blake2b_state S[4][1];
136 blake2b_state R[1];
137 byte buf[4 * BLAKE2B_BLOCKBYTES];
138 word64 buflen;
139 } blake2bp_state;
140#pragma pack(pop)
141
142 /* Streaming API */
143 int blake2s_init( blake2s_state *S, const byte outlen );
144 int blake2s_init_key( blake2s_state *S, const byte outlen, const void *key, const byte keylen );
145 int blake2s_init_param( blake2s_state *S, const blake2s_param *P );
146 int blake2s_update( blake2s_state *S, const byte *in, word32 inlen );
147 int blake2s_final( blake2s_state *S, byte *out, byte outlen );
148
149 int blake2b_init( blake2b_state *S, const byte outlen );
150 int blake2b_init_key( blake2b_state *S, const byte outlen, const void *key, const byte keylen );
151 int blake2b_init_param( blake2b_state *S, const blake2b_param *P );
152 int blake2b_update( blake2b_state *S, const byte *in, word64 inlen );
153 int blake2b_final( blake2b_state *S, byte *out, byte outlen );
154
155 int blake2sp_init( blake2sp_state *S, const byte outlen );
156 int blake2sp_init_key( blake2sp_state *S, const byte outlen, const void *key, const byte keylen );
157 int blake2sp_update( blake2sp_state *S, const byte *in, word32 inlen );
158 int blake2sp_final( blake2sp_state *S, byte *out, byte outlen );
159
160 int blake2bp_init( blake2bp_state *S, const byte outlen );
161 int blake2bp_init_key( blake2bp_state *S, const byte outlen, const void *key, const byte keylen );
162 int blake2bp_update( blake2bp_state *S, const byte *in, word64 inlen );
163 int blake2bp_final( blake2bp_state *S, byte *out, byte outlen );
164
165 /* Simple API */
166 int blake2s( byte *out, const void *in, const void *key, const byte outlen, const word32 inlen, byte keylen );
167 int blake2b( byte *out, const void *in, const void *key, const byte outlen, const word64 inlen, byte keylen );
168
169 int blake2sp( byte *out, const void *in, const void *key, const byte outlen, const word32 inlen, byte keylen );
170 int blake2bp( byte *out, const void *in, const void *key, const byte outlen, const word64 inlen, byte keylen );
171
172 static WC_INLINE int blake2( byte *out, const void *in, const void *key, const byte outlen, const word64 inlen, byte keylen )
173 {
174 return blake2b( out, in, key, outlen, inlen, keylen );
175 }
176
177
178
179#if defined(__cplusplus)
180 }
181#endif
182
183#endif /* WOLFCRYPT_BLAKE2_INT_H */
184
__blake2b_param
Definition blake2-int.h:101
__blake2bp_state
Definition blake2-int.h:134
__blake2s_param
Definition blake2-int.h:76
__blake2sp_state
Definition blake2-int.h:126