1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
|
/* algo_hmac - hash-based message authentication code (HMAC) wrapper
*
* Copyright(c) 2021 Glenn Strauss gstrauss()gluelogic.com All rights reserved
* License: BSD 3-clause (same as lighttpd)
*/
#include "first.h"
#include "algo_hmac.h"
#include "sys-crypto-md.h"
#ifdef USE_LIB_CRYPTO
#if defined(USE_NETTLE_CRYPTO)
#include <nettle/hmac.h>
#elif defined(USE_MBEDTLS_CRYPTO)
#include <mbedtls/md.h>
#elif defined(USE_WOLFSSL_CRYPTO)
#include <wolfssl/wolfcrypt/hmac.h>
#elif defined(USE_OPENSSL_CRYPTO)
#include <openssl/evp.h>
#include <openssl/hmac.h>
#elif defined(USE_GNUTLS_CRYPTO)
#include <gnutls/crypto.h>
#elif defined(USE_NSS_CRYPTO)
#if 0 /*(nss/alghmac.h might not be present)*/
#ifdef NSS_VER_INCLUDE
#include <nss3/alghmac.h>
#else
#include <nss/alghmac.h>
#endif
#endif
#endif
#endif
#ifndef USE_NETTLE_CRYPTO
#if defined(USE_OPENSSL_CRYPTO) && OPENSSL_VERSION_NUMBER >= 0x30000000L
#define HMAC EVP_HMAC
static unsigned char *
EVP_HMAC (const EVP_MD *evp_md, const void *key,
int key_len, const unsigned char *d, int n,
unsigned char *md, size_t *md_len)
{
EVP_PKEY * const pkey =
EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, NULL, key, key_len);
if (NULL == pkey) return NULL;
EVP_MD_CTX * const ctx = EVP_MD_CTX_new();
if (NULL == ctx) {
EVP_PKEY_free(pkey);
return NULL;
}
int rc = (1 == EVP_DigestSignInit(ctx, NULL, evp_md, NULL, pkey))
&& (1 == EVP_DigestSignUpdate(ctx, d, n))
&& (1 == EVP_DigestSignFinal(ctx, md, md_len));
EVP_MD_CTX_free(ctx);
EVP_PKEY_free(pkey);
return (1 == rc) ? md : NULL;
}
typedef size_t evp_siglen_t;
#else
typedef unsigned int evp_siglen_t;
#endif
#endif
int
li_hmac_md5 (unsigned char digest[MD5_DIGEST_LENGTH],
const void * const secret, const uint32_t slen,
const unsigned char * const msg, const uint32_t mlen)
{
struct const_iovec iov[] = { { secret, slen }, { msg, mlen } };
MD5_iov(digest, iov, sizeof(iov)/sizeof(*iov));
return 1;
}
#ifdef USE_LIB_CRYPTO_SHA1
int
li_hmac_sha1 (unsigned char digest[SHA_DIGEST_LENGTH],
const void * const secret, const uint32_t slen,
const unsigned char * const msg, const uint32_t mlen)
{
#ifdef USE_LIB_CRYPTO
#if defined(USE_NETTLE_CRYPTO)
struct hmac_sha1_ctx ctx;
hmac_sha1_set_key(&ctx, slen, (const uint8_t *)secret);
hmac_sha1_update(&ctx, mlen, (const uint8_t *)msg);
hmac_sha1_digest(&ctx, SHA_DIGEST_LENGTH, (uint8_t *)digest);
return 1;
#elif defined(USE_MBEDTLS_CRYPTO) \
&& defined(MBEDTLS_MD_C) && defined(MBEDTLS_SHA1_C)
return 0 ==
mbedtls_md_hmac(mbedtls_md_info_from_type(MBEDTLS_MD_SHA1),
(const unsigned char *)secret, slen,
(const unsigned char *)msg, mlen, digest);
#elif defined(USE_WOLFSSL_CRYPTO)
Hmac hmac;
if (0 != wc_HmacInit(&hmac, NULL, INVALID_DEVID)
|| wc_HmacSetKey(&hmac, WC_SHA, (const byte *)secret, (word32)slen) < 0
|| wc_HmacUpdate(&hmac, (const byte *)msg, (word32)mlen) < 0
|| wc_HmacFinal(&hmac, (byte *)digest) < 0)
return 0;
return 1;
#elif defined(USE_OPENSSL_CRYPTO)
evp_siglen_t dlen = SHA_DIGEST_LENGTH;
return (NULL != HMAC(EVP_sha1(),
(const unsigned char *)secret, (int)slen,
(const unsigned char *)msg, mlen,
digest, &dlen));
#elif defined(USE_GNUTLS_CRYPTO)
return 0 ==
gnutls_hmac_fast(GNUTLS_MAC_SHA1,
(const unsigned char *)secret, slen,
(const unsigned char *)msg, mlen, digest);
#elif defined(USE_NSS_CRYPTO)
/*(HMAC* funcs not public export of libfreebl3.so,
* even though nss3/alghmac.h is public (WTH?!))*/
#if 0
HMACContext *hmac =
HMAC_Create(HASH_GetHashObject(HASH_AlgSHA1),
(const unsigned char *)secret, slen, PR_FALSE);
if (NULL == hmac)
return 0;
HMAC_Begin(hmac);
HMAC_Update(hmac, (const unsigned char *)msg, mlen);
unsigned int dlen;
int rc = HMAC_Finish(hmac, digest, &dlen, SHA_DIGEST_LENGTH);
HMAC_Destroy(hmac, PR_TRUE);
return (SECSuccess == rc);
#else
UNUSED(digest);
UNUSED(secret);
UNUSED(slen);
UNUSED(msg);
UNUSED(mlen);
return 0;
#endif
#else
#error "unexpected; crypto lib not configured for HMAC SHA1"
#endif
#else
UNUSED(digest);
UNUSED(secret);
UNUSED(slen);
UNUSED(msg);
UNUSED(mlen);
return 0;
#endif
}
#endif
#ifdef USE_LIB_CRYPTO_SHA256
int
li_hmac_sha256 (unsigned char digest[SHA256_DIGEST_LENGTH],
const void * const secret, const uint32_t slen,
const unsigned char * const msg, const uint32_t mlen)
{
#ifdef USE_LIB_CRYPTO
#if defined(USE_NETTLE_CRYPTO)
struct hmac_sha256_ctx ctx;
hmac_sha256_set_key(&ctx, slen, (const uint8_t *)secret);
hmac_sha256_update(&ctx, mlen, (const uint8_t *)msg);
hmac_sha256_digest(&ctx, SHA256_DIGEST_LENGTH, (uint8_t *)digest);
return 1;
#elif defined(USE_MBEDTLS_CRYPTO) \
&& defined(MBEDTLS_MD_C) && defined(MBEDTLS_SHA256_C)
return 0 ==
mbedtls_md_hmac(mbedtls_md_info_from_type(MBEDTLS_MD_SHA256),
(const unsigned char *)secret, slen,
(const unsigned char *)msg, mlen, digest);
#elif defined(USE_WOLFSSL_CRYPTO)
Hmac hmac;
if (0 != wc_HmacInit(&hmac, NULL, INVALID_DEVID)
|| wc_HmacSetKey(&hmac, WC_SHA256,(const byte *)secret,(word32)slen) < 0
|| wc_HmacUpdate(&hmac, (const byte *)msg, (word32)mlen) < 0
|| wc_HmacFinal(&hmac, (byte *)digest) < 0)
return 0;
return 1;
#elif defined(USE_OPENSSL_CRYPTO)
evp_siglen_t dlen = SHA256_DIGEST_LENGTH;
return (NULL != HMAC(EVP_sha256(),
(const unsigned char *)secret, (int)slen,
(const unsigned char *)msg, mlen,
digest, &dlen));
#elif defined(USE_GNUTLS_CRYPTO)
return 0 ==
gnutls_hmac_fast(GNUTLS_MAC_SHA256,
(const unsigned char *)secret, slen,
(const unsigned char *)msg, mlen, digest);
#elif defined(USE_NSS_CRYPTO)
/*(HMAC* funcs not public export of libfreebl3.so,
* even though nss3/alghmac.h is public (WTH?!))*/
#if 0
HMACContext *hmac =
HMAC_Create(HASH_GetHashObject(HASH_AlgSHA256),
(const unsigned char *)secret, slen, PR_FALSE);
if (NULL == hmac)
return 0;
HMAC_Begin(hmac);
HMAC_Update(hmac, (const unsigned char *)msg, mlen);
unsigned int dlen;
int rc = HMAC_Finish(hmac, digest, &dlen, SHA256_DIGEST_LENGTH);
HMAC_Destroy(hmac, PR_TRUE);
return (SECSuccess == rc);
#else
UNUSED(digest);
UNUSED(secret);
UNUSED(slen);
UNUSED(msg);
UNUSED(mlen);
return 0;
#endif
#else
#error "unexpected; crypto lib not configured for HMAC SHA256"
#endif
#else
UNUSED(digest);
UNUSED(secret);
UNUSED(slen);
UNUSED(msg);
UNUSED(mlen);
return 0;
#endif
}
#endif
#ifdef USE_LIB_CRYPTO_SHA512
int
li_hmac_sha512 (unsigned char digest[SHA512_DIGEST_LENGTH],
const void * const secret, const uint32_t slen,
const unsigned char * const msg, const uint32_t mlen)
{
#ifdef USE_LIB_CRYPTO
#if defined(USE_NETTLE_CRYPTO)
struct hmac_sha512_ctx ctx;
hmac_sha512_set_key(&ctx, slen, (const uint8_t *)secret);
hmac_sha512_update(&ctx, mlen, (const uint8_t *)msg);
hmac_sha512_digest(&ctx, SHA512_DIGEST_LENGTH, (uint8_t *)digest);
return 1;
#elif defined(USE_MBEDTLS_CRYPTO) \
&& defined(MBEDTLS_MD_C) && defined(MBEDTLS_SHA512_C)
return 0 ==
mbedtls_md_hmac(mbedtls_md_info_from_type(MBEDTLS_MD_SHA512),
(const unsigned char *)secret, slen,
(const unsigned char *)msg, mlen, digest);
#elif defined(USE_WOLFSSL_CRYPTO)
Hmac hmac;
if (0 != wc_HmacInit(&hmac, NULL, INVALID_DEVID)
|| wc_HmacSetKey(&hmac, WC_SHA512,(const byte *)secret,(word32)slen) < 0
|| wc_HmacUpdate(&hmac, (const byte *)msg, (word32)mlen) < 0
|| wc_HmacFinal(&hmac, (byte *)digest) < 0)
return 0;
return 1;
#elif defined(USE_OPENSSL_CRYPTO)
evp_siglen_t dlen = SHA512_DIGEST_LENGTH;
return (NULL != HMAC(EVP_sha512(),
(const unsigned char *)secret, (int)slen,
(const unsigned char *)msg, mlen,
digest, &dlen));
#elif defined(USE_GNUTLS_CRYPTO)
return 0 ==
gnutls_hmac_fast(GNUTLS_MAC_SHA512,
(const unsigned char *)secret, slen,
(const unsigned char *)msg, mlen, digest);
#elif defined(USE_NSS_CRYPTO)
/*(HMAC* funcs not public export of libfreebl3.so,
* even though nss3/alghmac.h is public (WTH?!))*/
#if 0
HMACContext *hmac =
HMAC_Create(HASH_GetHashObject(HASH_AlgSHA512),
(const unsigned char *)secret, slen, PR_FALSE);
if (NULL == hmac)
return 0;
HMAC_Begin(hmac);
HMAC_Update(hmac, (const unsigned char *)msg, mlen);
unsigned int dlen;
int rc = HMAC_Finish(hmac, digest, &dlen, SHA512_DIGEST_LENGTH);
HMAC_Destroy(hmac, PR_TRUE);
return (SECSuccess == rc);
#else
UNUSED(digest);
UNUSED(secret);
UNUSED(slen);
UNUSED(msg);
UNUSED(mlen);
return 0;
#endif
#else
#error "unexpected; crypto lib not configured for HMAC SHA512"
#endif
#else
UNUSED(digest);
UNUSED(secret);
UNUSED(slen);
UNUSED(msg);
UNUSED(mlen);
return 0;
#endif
}
#endif
|
