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Diffstat (limited to 'src/lib/libcrypto/hmac/hm_pmeth.c')
-rw-r--r-- | src/lib/libcrypto/hmac/hm_pmeth.c | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/src/lib/libcrypto/hmac/hm_pmeth.c b/src/lib/libcrypto/hmac/hm_pmeth.c deleted file mode 100644 index 71e8567a14..0000000000 --- a/src/lib/libcrypto/hmac/hm_pmeth.c +++ /dev/null | |||
@@ -1,267 +0,0 @@ | |||
1 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | ||
2 | * project 2007. | ||
3 | */ | ||
4 | /* ==================================================================== | ||
5 | * Copyright (c) 2007 The OpenSSL Project. All rights reserved. | ||
6 | * | ||
7 | * Redistribution and use in source and binary forms, with or without | ||
8 | * modification, are permitted provided that the following conditions | ||
9 | * are met: | ||
10 | * | ||
11 | * 1. Redistributions of source code must retain the above copyright | ||
12 | * notice, this list of conditions and the following disclaimer. | ||
13 | * | ||
14 | * 2. Redistributions in binary form must reproduce the above copyright | ||
15 | * notice, this list of conditions and the following disclaimer in | ||
16 | * the documentation and/or other materials provided with the | ||
17 | * distribution. | ||
18 | * | ||
19 | * 3. All advertising materials mentioning features or use of this | ||
20 | * software must display the following acknowledgment: | ||
21 | * "This product includes software developed by the OpenSSL Project | ||
22 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | ||
23 | * | ||
24 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
25 | * endorse or promote products derived from this software without | ||
26 | * prior written permission. For written permission, please contact | ||
27 | * licensing@OpenSSL.org. | ||
28 | * | ||
29 | * 5. Products derived from this software may not be called "OpenSSL" | ||
30 | * nor may "OpenSSL" appear in their names without prior written | ||
31 | * permission of the OpenSSL Project. | ||
32 | * | ||
33 | * 6. Redistributions of any form whatsoever must retain the following | ||
34 | * acknowledgment: | ||
35 | * "This product includes software developed by the OpenSSL Project | ||
36 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | ||
37 | * | ||
38 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
39 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
40 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
41 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
42 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
43 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
44 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
45 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
46 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
47 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
48 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
49 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
50 | * ==================================================================== | ||
51 | * | ||
52 | * This product includes cryptographic software written by Eric Young | ||
53 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
54 | * Hudson (tjh@cryptsoft.com). | ||
55 | * | ||
56 | */ | ||
57 | |||
58 | #include <stdio.h> | ||
59 | #include "cryptlib.h" | ||
60 | #include <openssl/x509.h> | ||
61 | #include <openssl/x509v3.h> | ||
62 | #include <openssl/evp.h> | ||
63 | #include <openssl/hmac.h> | ||
64 | #include "evp_locl.h" | ||
65 | |||
66 | /* HMAC pkey context structure */ | ||
67 | |||
68 | typedef struct | ||
69 | { | ||
70 | const EVP_MD *md; /* MD for HMAC use */ | ||
71 | ASN1_OCTET_STRING ktmp; /* Temp storage for key */ | ||
72 | HMAC_CTX ctx; | ||
73 | } HMAC_PKEY_CTX; | ||
74 | |||
75 | static int pkey_hmac_init(EVP_PKEY_CTX *ctx) | ||
76 | { | ||
77 | HMAC_PKEY_CTX *hctx; | ||
78 | hctx = OPENSSL_malloc(sizeof(HMAC_PKEY_CTX)); | ||
79 | if (!hctx) | ||
80 | return 0; | ||
81 | hctx->md = NULL; | ||
82 | hctx->ktmp.data = NULL; | ||
83 | hctx->ktmp.length = 0; | ||
84 | hctx->ktmp.flags = 0; | ||
85 | hctx->ktmp.type = V_ASN1_OCTET_STRING; | ||
86 | HMAC_CTX_init(&hctx->ctx); | ||
87 | |||
88 | ctx->data = hctx; | ||
89 | ctx->keygen_info_count = 0; | ||
90 | |||
91 | return 1; | ||
92 | } | ||
93 | |||
94 | static int pkey_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src) | ||
95 | { | ||
96 | HMAC_PKEY_CTX *sctx, *dctx; | ||
97 | if (!pkey_hmac_init(dst)) | ||
98 | return 0; | ||
99 | sctx = src->data; | ||
100 | dctx = dst->data; | ||
101 | dctx->md = sctx->md; | ||
102 | HMAC_CTX_init(&dctx->ctx); | ||
103 | HMAC_CTX_copy(&dctx->ctx, &sctx->ctx); | ||
104 | if (sctx->ktmp.data) | ||
105 | { | ||
106 | if (!ASN1_OCTET_STRING_set(&dctx->ktmp, | ||
107 | sctx->ktmp.data, sctx->ktmp.length)) | ||
108 | return 0; | ||
109 | } | ||
110 | return 1; | ||
111 | } | ||
112 | |||
113 | static void pkey_hmac_cleanup(EVP_PKEY_CTX *ctx) | ||
114 | { | ||
115 | HMAC_PKEY_CTX *hctx = ctx->data; | ||
116 | HMAC_CTX_cleanup(&hctx->ctx); | ||
117 | if (hctx->ktmp.data) | ||
118 | { | ||
119 | if (hctx->ktmp.length) | ||
120 | OPENSSL_cleanse(hctx->ktmp.data, hctx->ktmp.length); | ||
121 | OPENSSL_free(hctx->ktmp.data); | ||
122 | hctx->ktmp.data = NULL; | ||
123 | } | ||
124 | OPENSSL_free(hctx); | ||
125 | } | ||
126 | |||
127 | static int pkey_hmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey) | ||
128 | { | ||
129 | ASN1_OCTET_STRING *hkey = NULL; | ||
130 | HMAC_PKEY_CTX *hctx = ctx->data; | ||
131 | if (!hctx->ktmp.data) | ||
132 | return 0; | ||
133 | hkey = ASN1_OCTET_STRING_dup(&hctx->ktmp); | ||
134 | if (!hkey) | ||
135 | return 0; | ||
136 | EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, hkey); | ||
137 | |||
138 | return 1; | ||
139 | } | ||
140 | |||
141 | static int int_update(EVP_MD_CTX *ctx,const void *data,size_t count) | ||
142 | { | ||
143 | HMAC_PKEY_CTX *hctx = ctx->pctx->data; | ||
144 | HMAC_Update(&hctx->ctx, data, count); | ||
145 | return 1; | ||
146 | } | ||
147 | |||
148 | static int hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx) | ||
149 | { | ||
150 | HMAC_PKEY_CTX *hctx = ctx->data; | ||
151 | HMAC_CTX_set_flags(&hctx->ctx, mctx->flags & ~EVP_MD_CTX_FLAG_NO_INIT); | ||
152 | EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT); | ||
153 | mctx->update = int_update; | ||
154 | return 1; | ||
155 | } | ||
156 | |||
157 | static int hmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, | ||
158 | EVP_MD_CTX *mctx) | ||
159 | { | ||
160 | unsigned int hlen; | ||
161 | HMAC_PKEY_CTX *hctx = ctx->data; | ||
162 | int l = EVP_MD_CTX_size(mctx); | ||
163 | |||
164 | if (l < 0) | ||
165 | return 0; | ||
166 | *siglen = l; | ||
167 | if (!sig) | ||
168 | return 1; | ||
169 | |||
170 | HMAC_Final(&hctx->ctx, sig, &hlen); | ||
171 | *siglen = (size_t)hlen; | ||
172 | return 1; | ||
173 | } | ||
174 | |||
175 | static int pkey_hmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2) | ||
176 | { | ||
177 | HMAC_PKEY_CTX *hctx = ctx->data; | ||
178 | ASN1_OCTET_STRING *key; | ||
179 | switch (type) | ||
180 | { | ||
181 | |||
182 | case EVP_PKEY_CTRL_SET_MAC_KEY: | ||
183 | if ((!p2 && p1 > 0) || (p1 < -1)) | ||
184 | return 0; | ||
185 | if (!ASN1_OCTET_STRING_set(&hctx->ktmp, p2, p1)) | ||
186 | return 0; | ||
187 | break; | ||
188 | |||
189 | case EVP_PKEY_CTRL_MD: | ||
190 | hctx->md = p2; | ||
191 | break; | ||
192 | |||
193 | case EVP_PKEY_CTRL_DIGESTINIT: | ||
194 | key = (ASN1_OCTET_STRING *)ctx->pkey->pkey.ptr; | ||
195 | HMAC_Init_ex(&hctx->ctx, key->data, key->length, hctx->md, | ||
196 | ctx->engine); | ||
197 | break; | ||
198 | |||
199 | default: | ||
200 | return -2; | ||
201 | |||
202 | } | ||
203 | return 1; | ||
204 | } | ||
205 | |||
206 | static int pkey_hmac_ctrl_str(EVP_PKEY_CTX *ctx, | ||
207 | const char *type, const char *value) | ||
208 | { | ||
209 | if (!value) | ||
210 | { | ||
211 | return 0; | ||
212 | } | ||
213 | if (!strcmp(type, "key")) | ||
214 | { | ||
215 | void *p = (void *)value; | ||
216 | return pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, | ||
217 | -1, p); | ||
218 | } | ||
219 | if (!strcmp(type, "hexkey")) | ||
220 | { | ||
221 | unsigned char *key; | ||
222 | int r; | ||
223 | long keylen; | ||
224 | key = string_to_hex(value, &keylen); | ||
225 | if (!key) | ||
226 | return 0; | ||
227 | r = pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key); | ||
228 | OPENSSL_free(key); | ||
229 | return r; | ||
230 | } | ||
231 | return -2; | ||
232 | } | ||
233 | |||
234 | const EVP_PKEY_METHOD hmac_pkey_meth = | ||
235 | { | ||
236 | EVP_PKEY_HMAC, | ||
237 | 0, | ||
238 | pkey_hmac_init, | ||
239 | pkey_hmac_copy, | ||
240 | pkey_hmac_cleanup, | ||
241 | |||
242 | 0, 0, | ||
243 | |||
244 | 0, | ||
245 | pkey_hmac_keygen, | ||
246 | |||
247 | 0, 0, | ||
248 | |||
249 | 0, 0, | ||
250 | |||
251 | 0,0, | ||
252 | |||
253 | hmac_signctx_init, | ||
254 | hmac_signctx, | ||
255 | |||
256 | 0,0, | ||
257 | |||
258 | 0,0, | ||
259 | |||
260 | 0,0, | ||
261 | |||
262 | 0,0, | ||
263 | |||
264 | pkey_hmac_ctrl, | ||
265 | pkey_hmac_ctrl_str | ||
266 | |||
267 | }; | ||