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authorcvs2svn <admin@example.com>2015-08-02 21:54:22 +0000
committercvs2svn <admin@example.com>2015-08-02 21:54:22 +0000
commited3760bf4be4a96a89233fb8f8b84a0d44725862 (patch)
tree5609c82060f75c53af0a7641d9b33a88574876cd /src/lib/libcrypto/evp/pmeth_fn.c
parentf8b563fb5ba1524c821d37308f4e6abfc866bc3f (diff)
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This commit was manufactured by cvs2git to create tag 'OPENBSD_5_8_BASE'.OPENBSD_5_8_BASE
Diffstat (limited to 'src/lib/libcrypto/evp/pmeth_fn.c')
-rw-r--r--src/lib/libcrypto/evp/pmeth_fn.c362
1 files changed, 0 insertions, 362 deletions
diff --git a/src/lib/libcrypto/evp/pmeth_fn.c b/src/lib/libcrypto/evp/pmeth_fn.c
deleted file mode 100644
index 4cf18a0be1..0000000000
--- a/src/lib/libcrypto/evp/pmeth_fn.c
+++ /dev/null
@@ -1,362 +0,0 @@
1/* $OpenBSD: pmeth_fn.c,v 1.5 2014/07/12 16:03:37 miod Exp $ */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 2006.
4 */
5/* ====================================================================
6 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include <stdlib.h>
61
62#include <openssl/err.h>
63#include <openssl/evp.h>
64#include <openssl/objects.h>
65
66#include "evp_locl.h"
67
68#define M_check_autoarg(ctx, arg, arglen, err) \
69 if (ctx->pmeth->flags & EVP_PKEY_FLAG_AUTOARGLEN) \
70 { \
71 size_t pksize = (size_t)EVP_PKEY_size(ctx->pkey); \
72 if (!arg) \
73 { \
74 *arglen = pksize; \
75 return 1; \
76 } \
77 else if (*arglen < pksize) \
78 { \
79 EVPerr(err, EVP_R_BUFFER_TOO_SMALL); /*ckerr_ignore*/\
80 return 0; \
81 } \
82 }
83
84int
85EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx)
86{
87 int ret;
88
89 if (!ctx || !ctx->pmeth || !ctx->pmeth->sign) {
90 EVPerr(EVP_F_EVP_PKEY_SIGN_INIT,
91 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
92 return -2;
93 }
94 ctx->operation = EVP_PKEY_OP_SIGN;
95 if (!ctx->pmeth->sign_init)
96 return 1;
97 ret = ctx->pmeth->sign_init(ctx);
98 if (ret <= 0)
99 ctx->operation = EVP_PKEY_OP_UNDEFINED;
100 return ret;
101}
102
103int
104EVP_PKEY_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
105 const unsigned char *tbs, size_t tbslen)
106{
107 if (!ctx || !ctx->pmeth || !ctx->pmeth->sign) {
108 EVPerr(EVP_F_EVP_PKEY_SIGN,
109 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
110 return -2;
111 }
112 if (ctx->operation != EVP_PKEY_OP_SIGN) {
113 EVPerr(EVP_F_EVP_PKEY_SIGN, EVP_R_OPERATON_NOT_INITIALIZED);
114 return -1;
115 }
116 M_check_autoarg(ctx, sig, siglen, EVP_F_EVP_PKEY_SIGN)
117 return ctx->pmeth->sign(ctx, sig, siglen, tbs, tbslen);
118}
119
120int
121EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx)
122{
123 int ret;
124
125 if (!ctx || !ctx->pmeth || !ctx->pmeth->verify) {
126 EVPerr(EVP_F_EVP_PKEY_VERIFY_INIT,
127 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
128 return -2;
129 }
130 ctx->operation = EVP_PKEY_OP_VERIFY;
131 if (!ctx->pmeth->verify_init)
132 return 1;
133 ret = ctx->pmeth->verify_init(ctx);
134 if (ret <= 0)
135 ctx->operation = EVP_PKEY_OP_UNDEFINED;
136 return ret;
137}
138
139int
140EVP_PKEY_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen,
141 const unsigned char *tbs, size_t tbslen)
142{
143 if (!ctx || !ctx->pmeth || !ctx->pmeth->verify) {
144 EVPerr(EVP_F_EVP_PKEY_VERIFY,
145 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
146 return -2;
147 }
148 if (ctx->operation != EVP_PKEY_OP_VERIFY) {
149 EVPerr(EVP_F_EVP_PKEY_VERIFY, EVP_R_OPERATON_NOT_INITIALIZED);
150 return -1;
151 }
152 return ctx->pmeth->verify(ctx, sig, siglen, tbs, tbslen);
153}
154
155int
156EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx)
157{
158 int ret;
159
160 if (!ctx || !ctx->pmeth || !ctx->pmeth->verify_recover) {
161 EVPerr(EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT,
162 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
163 return -2;
164 }
165 ctx->operation = EVP_PKEY_OP_VERIFYRECOVER;
166 if (!ctx->pmeth->verify_recover_init)
167 return 1;
168 ret = ctx->pmeth->verify_recover_init(ctx);
169 if (ret <= 0)
170 ctx->operation = EVP_PKEY_OP_UNDEFINED;
171 return ret;
172}
173
174int
175EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx, unsigned char *rout, size_t *routlen,
176 const unsigned char *sig, size_t siglen)
177{
178 if (!ctx || !ctx->pmeth || !ctx->pmeth->verify_recover) {
179 EVPerr(EVP_F_EVP_PKEY_VERIFY_RECOVER,
180 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
181 return -2;
182 }
183 if (ctx->operation != EVP_PKEY_OP_VERIFYRECOVER) {
184 EVPerr(EVP_F_EVP_PKEY_VERIFY_RECOVER,
185 EVP_R_OPERATON_NOT_INITIALIZED);
186 return -1;
187 }
188 M_check_autoarg(ctx, rout, routlen, EVP_F_EVP_PKEY_VERIFY_RECOVER)
189 return ctx->pmeth->verify_recover(ctx, rout, routlen, sig, siglen);
190}
191
192int
193EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx)
194{
195 int ret;
196
197 if (!ctx || !ctx->pmeth || !ctx->pmeth->encrypt) {
198 EVPerr(EVP_F_EVP_PKEY_ENCRYPT_INIT,
199 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
200 return -2;
201 }
202 ctx->operation = EVP_PKEY_OP_ENCRYPT;
203 if (!ctx->pmeth->encrypt_init)
204 return 1;
205 ret = ctx->pmeth->encrypt_init(ctx);
206 if (ret <= 0)
207 ctx->operation = EVP_PKEY_OP_UNDEFINED;
208 return ret;
209}
210
211int
212EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
213 const unsigned char *in, size_t inlen)
214{
215 if (!ctx || !ctx->pmeth || !ctx->pmeth->encrypt) {
216 EVPerr(EVP_F_EVP_PKEY_ENCRYPT,
217 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
218 return -2;
219 }
220 if (ctx->operation != EVP_PKEY_OP_ENCRYPT) {
221 EVPerr(EVP_F_EVP_PKEY_ENCRYPT, EVP_R_OPERATON_NOT_INITIALIZED);
222 return -1;
223 }
224 M_check_autoarg(ctx, out, outlen, EVP_F_EVP_PKEY_ENCRYPT)
225 return ctx->pmeth->encrypt(ctx, out, outlen, in, inlen);
226}
227
228int
229EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx)
230{
231 int ret;
232
233 if (!ctx || !ctx->pmeth || !ctx->pmeth->decrypt) {
234 EVPerr(EVP_F_EVP_PKEY_DECRYPT_INIT,
235 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
236 return -2;
237 }
238 ctx->operation = EVP_PKEY_OP_DECRYPT;
239 if (!ctx->pmeth->decrypt_init)
240 return 1;
241 ret = ctx->pmeth->decrypt_init(ctx);
242 if (ret <= 0)
243 ctx->operation = EVP_PKEY_OP_UNDEFINED;
244 return ret;
245}
246
247int
248EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
249 const unsigned char *in, size_t inlen)
250{
251 if (!ctx || !ctx->pmeth || !ctx->pmeth->decrypt) {
252 EVPerr(EVP_F_EVP_PKEY_DECRYPT,
253 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
254 return -2;
255 }
256 if (ctx->operation != EVP_PKEY_OP_DECRYPT) {
257 EVPerr(EVP_F_EVP_PKEY_DECRYPT, EVP_R_OPERATON_NOT_INITIALIZED);
258 return -1;
259 }
260 M_check_autoarg(ctx, out, outlen, EVP_F_EVP_PKEY_DECRYPT)
261 return ctx->pmeth->decrypt(ctx, out, outlen, in, inlen);
262}
263
264int
265EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx)
266{
267 int ret;
268
269 if (!ctx || !ctx->pmeth || !ctx->pmeth->derive) {
270 EVPerr(EVP_F_EVP_PKEY_DERIVE_INIT,
271 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
272 return -2;
273 }
274 ctx->operation = EVP_PKEY_OP_DERIVE;
275 if (!ctx->pmeth->derive_init)
276 return 1;
277 ret = ctx->pmeth->derive_init(ctx);
278 if (ret <= 0)
279 ctx->operation = EVP_PKEY_OP_UNDEFINED;
280 return ret;
281}
282
283int
284EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer)
285{
286 int ret;
287
288 if (!ctx || !ctx->pmeth || !(ctx->pmeth->derive ||
289 ctx->pmeth->encrypt || ctx->pmeth->decrypt) ||
290 !ctx->pmeth->ctrl) {
291 EVPerr(EVP_F_EVP_PKEY_DERIVE_SET_PEER,
292 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
293 return -2;
294 }
295 if (ctx->operation != EVP_PKEY_OP_DERIVE &&
296 ctx->operation != EVP_PKEY_OP_ENCRYPT &&
297 ctx->operation != EVP_PKEY_OP_DECRYPT) {
298 EVPerr(EVP_F_EVP_PKEY_DERIVE_SET_PEER,
299 EVP_R_OPERATON_NOT_INITIALIZED);
300 return -1;
301 }
302
303 ret = ctx->pmeth->ctrl(ctx, EVP_PKEY_CTRL_PEER_KEY, 0, peer);
304
305 if (ret <= 0)
306 return ret;
307
308 if (ret == 2)
309 return 1;
310
311 if (!ctx->pkey) {
312 EVPerr(EVP_F_EVP_PKEY_DERIVE_SET_PEER, EVP_R_NO_KEY_SET);
313 return -1;
314 }
315
316 if (ctx->pkey->type != peer->type) {
317 EVPerr(EVP_F_EVP_PKEY_DERIVE_SET_PEER,
318 EVP_R_DIFFERENT_KEY_TYPES);
319 return -1;
320 }
321
322 /* ran@cryptocom.ru: For clarity. The error is if parameters in peer are
323 * present (!missing) but don't match. EVP_PKEY_cmp_parameters may return
324 * 1 (match), 0 (don't match) and -2 (comparison is not defined). -1
325 * (different key types) is impossible here because it is checked earlier.
326 * -2 is OK for us here, as well as 1, so we can check for 0 only. */
327 if (!EVP_PKEY_missing_parameters(peer) &&
328 !EVP_PKEY_cmp_parameters(ctx->pkey, peer)) {
329 EVPerr(EVP_F_EVP_PKEY_DERIVE_SET_PEER,
330 EVP_R_DIFFERENT_PARAMETERS);
331 return -1;
332 }
333
334 EVP_PKEY_free(ctx->peerkey);
335 ctx->peerkey = peer;
336
337 ret = ctx->pmeth->ctrl(ctx, EVP_PKEY_CTRL_PEER_KEY, 1, peer);
338
339 if (ret <= 0) {
340 ctx->peerkey = NULL;
341 return ret;
342 }
343
344 CRYPTO_add(&peer->references, 1, CRYPTO_LOCK_EVP_PKEY);
345 return 1;
346}
347
348int
349EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *pkeylen)
350{
351 if (!ctx || !ctx->pmeth || !ctx->pmeth->derive) {
352 EVPerr(EVP_F_EVP_PKEY_DERIVE,
353 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
354 return -2;
355 }
356 if (ctx->operation != EVP_PKEY_OP_DERIVE) {
357 EVPerr(EVP_F_EVP_PKEY_DERIVE, EVP_R_OPERATON_NOT_INITIALIZED);
358 return -1;
359 }
360 M_check_autoarg(ctx, key, pkeylen, EVP_F_EVP_PKEY_DERIVE)
361 return ctx->pmeth->derive(ctx, key, pkeylen);
362}
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