source: UsbWattMeter/trunk/wolfssl-3.7.0/wolfssl/wolfcrypt/hmac.h@ 164

Last change on this file since 164 was 164, checked in by coas-nagasima, 6 years ago

TOPPERS/ECNLサンプルアプリ「USB充電器電力計」を追加

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1/* hmac.h
2 *
3 * Copyright (C) 2006-2015 wolfSSL Inc.
4 *
5 * This file is part of wolfSSL. (formerly known as CyaSSL)
6 *
7 * wolfSSL is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * wolfSSL is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22
23#ifndef NO_HMAC
24
25#ifndef WOLF_CRYPT_HMAC_H
26#define WOLF_CRYPT_HMAC_H
27
28#include <wolfssl/wolfcrypt/types.h>
29
30#ifndef NO_MD5
31 #include <wolfssl/wolfcrypt/md5.h>
32#endif
33
34#ifndef NO_SHA
35 #include <wolfssl/wolfcrypt/sha.h>
36#endif
37
38#ifndef NO_SHA256
39 #include <wolfssl/wolfcrypt/sha256.h>
40#endif
41
42#ifdef WOLFSSL_SHA512
43 #include <wolfssl/wolfcrypt/sha512.h>
44#endif
45
46#ifdef HAVE_BLAKE2
47 #include <wolfssl/wolfcrypt/blake2.h>
48#endif
49
50#ifdef HAVE_FIPS
51/* for fips */
52 #include <cyassl/ctaocrypt/hmac.h>
53#endif
54
55#ifdef HAVE_CAVIUM
56 #include <wolfssl/wolfcrypt/logging.h>
57 #include "cavium_common.h"
58#endif
59
60
61#ifdef __cplusplus
62 extern "C" {
63#endif
64#ifndef HAVE_FIPS
65#define WOLFSSL_HMAC_CAVIUM_MAGIC 0xBEEF0005
66
67enum {
68 HMAC_FIPS_MIN_KEY = 14, /* 112 bit key length minimum */
69
70 IPAD = 0x36,
71 OPAD = 0x5C,
72
73/* If any hash is not enabled, add the ID here. */
74#ifdef NO_MD5
75 MD5 = 0,
76#endif
77#ifdef NO_SHA
78 SHA = 1,
79#endif
80#ifdef NO_SHA256
81 SHA256 = 2,
82#endif
83#ifndef WOLFSSL_SHA512
84 SHA512 = 4,
85#endif
86#ifndef WOLFSSL_SHA384
87 SHA384 = 5,
88#endif
89#ifndef HAVE_BLAKE2
90 BLAKE2B_ID = 7,
91#endif
92
93/* Select the largest available hash for the buffer size. */
94#if defined(WOLFSSL_SHA512)
95 MAX_DIGEST_SIZE = SHA512_DIGEST_SIZE,
96 HMAC_BLOCK_SIZE = SHA512_BLOCK_SIZE
97#elif defined(HAVE_BLAKE2)
98 MAX_DIGEST_SIZE = BLAKE2B_OUTBYTES,
99 HMAC_BLOCK_SIZE = BLAKE2B_BLOCKBYTES,
100#elif defined(WOLFSSL_SHA384)
101 MAX_DIGEST_SIZE = SHA384_DIGEST_SIZE,
102 HMAC_BLOCK_SIZE = SHA384_BLOCK_SIZE
103#elif !defined(NO_SHA256)
104 MAX_DIGEST_SIZE = SHA256_DIGEST_SIZE,
105 HMAC_BLOCK_SIZE = SHA256_BLOCK_SIZE
106#elif !defined(NO_SHA)
107 MAX_DIGEST_SIZE = SHA_DIGEST_SIZE,
108 HMAC_BLOCK_SIZE = SHA_BLOCK_SIZE
109#elif !defined(NO_MD5)
110 MAX_DIGEST_SIZE = MD5_DIGEST_SIZE,
111 HMAC_BLOCK_SIZE = MD5_BLOCK_SIZE
112#else
113 #error "You have to have some kind of hash if you want to use HMAC."
114#endif
115};
116
117
118/* hash union */
119typedef union {
120 #ifndef NO_MD5
121 Md5 md5;
122 #endif
123 #ifndef NO_SHA
124 Sha sha;
125 #endif
126 #ifndef NO_SHA256
127 Sha256 sha256;
128 #endif
129 #ifdef WOLFSSL_SHA384
130 Sha384 sha384;
131 #endif
132 #ifdef WOLFSSL_SHA512
133 Sha512 sha512;
134 #endif
135 #ifdef HAVE_BLAKE2
136 Blake2b blake2b;
137 #endif
138} Hash;
139
140/* Hmac digest */
141typedef struct Hmac {
142 Hash hash;
143 word32 ipad[HMAC_BLOCK_SIZE / sizeof(word32)]; /* same block size all*/
144 word32 opad[HMAC_BLOCK_SIZE / sizeof(word32)];
145 word32 innerHash[MAX_DIGEST_SIZE / sizeof(word32)];
146 byte macType; /* md5 sha or sha256 */
147 byte innerHashKeyed; /* keyed flag */
148#ifdef HAVE_CAVIUM
149 word16 keyLen; /* hmac key length */
150 word16 dataLen;
151 HashType type; /* hmac key type */
152 int devId; /* nitrox device id */
153 word32 magic; /* using cavium magic */
154 word64 contextHandle; /* nitrox context memory handle */
155 byte* data; /* buffered input data for one call */
156#endif
157} Hmac;
158
159#endif /* HAVE_FIPS */
160
161/* does init */
162WOLFSSL_API int wc_HmacSetKey(Hmac*, int type, const byte* key, word32 keySz);
163WOLFSSL_API int wc_HmacUpdate(Hmac*, const byte*, word32);
164WOLFSSL_API int wc_HmacFinal(Hmac*, byte*);
165
166#ifdef HAVE_CAVIUM
167 WOLFSSL_API int wc_HmacInitCavium(Hmac*, int);
168 WOLFSSL_API void wc_HmacFreeCavium(Hmac*);
169#endif
170
171WOLFSSL_API int wolfSSL_GetHmacMaxSize(void);
172
173
174#ifdef HAVE_HKDF
175
176WOLFSSL_API int wc_HKDF(int type, const byte* inKey, word32 inKeySz,
177 const byte* salt, word32 saltSz,
178 const byte* info, word32 infoSz,
179 byte* out, word32 outSz);
180
181#endif /* HAVE_HKDF */
182
183#ifdef __cplusplus
184 } /* extern "C" */
185#endif
186
187#endif /* WOLF_CRYPT_HMAC_H */
188
189#endif /* NO_HMAC */
190
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