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Diffstat (limited to 'src/lib/libcrypto/evp/pmeth_fn.c')
-rw-r--r--src/lib/libcrypto/evp/pmeth_fn.c344
1 files changed, 0 insertions, 344 deletions
diff --git a/src/lib/libcrypto/evp/pmeth_fn.c b/src/lib/libcrypto/evp/pmeth_fn.c
deleted file mode 100644
index 308c434f0d..0000000000
--- a/src/lib/libcrypto/evp/pmeth_fn.c
+++ /dev/null
@@ -1,344 +0,0 @@
1/* $OpenBSD: pmeth_fn.c,v 1.11 2024/04/12 09:41:39 tb 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_local.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 EVPerror(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 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
91 return -2;
92 }
93 ctx->operation = EVP_PKEY_OP_SIGN;
94 if (!ctx->pmeth->sign_init)
95 return 1;
96 ret = ctx->pmeth->sign_init(ctx);
97 if (ret <= 0)
98 ctx->operation = EVP_PKEY_OP_UNDEFINED;
99 return ret;
100}
101LCRYPTO_ALIAS(EVP_PKEY_sign_init);
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 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
109 return -2;
110 }
111 if (ctx->operation != EVP_PKEY_OP_SIGN) {
112 EVPerror(EVP_R_OPERATON_NOT_INITIALIZED);
113 return -1;
114 }
115 M_check_autoarg(ctx, sig, siglen, EVP_F_EVP_PKEY_SIGN)
116 return ctx->pmeth->sign(ctx, sig, siglen, tbs, tbslen);
117}
118LCRYPTO_ALIAS(EVP_PKEY_sign);
119
120int
121EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx)
122{
123 int ret;
124
125 if (!ctx || !ctx->pmeth || !ctx->pmeth->verify) {
126 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
127 return -2;
128 }
129 ctx->operation = EVP_PKEY_OP_VERIFY;
130 if (!ctx->pmeth->verify_init)
131 return 1;
132 ret = ctx->pmeth->verify_init(ctx);
133 if (ret <= 0)
134 ctx->operation = EVP_PKEY_OP_UNDEFINED;
135 return ret;
136}
137LCRYPTO_ALIAS(EVP_PKEY_verify_init);
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 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
145 return -2;
146 }
147 if (ctx->operation != EVP_PKEY_OP_VERIFY) {
148 EVPerror(EVP_R_OPERATON_NOT_INITIALIZED);
149 return -1;
150 }
151 return ctx->pmeth->verify(ctx, sig, siglen, tbs, tbslen);
152}
153LCRYPTO_ALIAS(EVP_PKEY_verify);
154
155int
156EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx)
157{
158 if (ctx == NULL || ctx->pmeth == NULL ||
159 ctx->pmeth->verify_recover == NULL) {
160 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
161 return -2;
162 }
163
164 ctx->operation = EVP_PKEY_OP_VERIFYRECOVER;
165
166 return 1;
167}
168LCRYPTO_ALIAS(EVP_PKEY_verify_recover_init);
169
170int
171EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx, unsigned char *rout, size_t *routlen,
172 const unsigned char *sig, size_t siglen)
173{
174 if (!ctx || !ctx->pmeth || !ctx->pmeth->verify_recover) {
175 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
176 return -2;
177 }
178 if (ctx->operation != EVP_PKEY_OP_VERIFYRECOVER) {
179 EVPerror(EVP_R_OPERATON_NOT_INITIALIZED);
180 return -1;
181 }
182 M_check_autoarg(ctx, rout, routlen, EVP_F_EVP_PKEY_VERIFY_RECOVER)
183 return ctx->pmeth->verify_recover(ctx, rout, routlen, sig, siglen);
184}
185LCRYPTO_ALIAS(EVP_PKEY_verify_recover);
186
187int
188EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx)
189{
190 if (ctx == NULL || ctx->pmeth == NULL || ctx->pmeth->encrypt == NULL) {
191 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
192 return -2;
193 }
194
195 ctx->operation = EVP_PKEY_OP_ENCRYPT;
196
197 return 1;
198}
199LCRYPTO_ALIAS(EVP_PKEY_encrypt_init);
200
201int
202EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
203 const unsigned char *in, size_t inlen)
204{
205 if (!ctx || !ctx->pmeth || !ctx->pmeth->encrypt) {
206 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
207 return -2;
208 }
209 if (ctx->operation != EVP_PKEY_OP_ENCRYPT) {
210 EVPerror(EVP_R_OPERATON_NOT_INITIALIZED);
211 return -1;
212 }
213 M_check_autoarg(ctx, out, outlen, EVP_F_EVP_PKEY_ENCRYPT)
214 return ctx->pmeth->encrypt(ctx, out, outlen, in, inlen);
215}
216LCRYPTO_ALIAS(EVP_PKEY_encrypt);
217
218int
219EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx)
220{
221 if (ctx == NULL || ctx->pmeth == NULL || ctx->pmeth->decrypt == NULL) {
222 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
223 return -2;
224 }
225
226 ctx->operation = EVP_PKEY_OP_DECRYPT;
227
228 return 1;
229}
230LCRYPTO_ALIAS(EVP_PKEY_decrypt_init);
231
232int
233EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
234 const unsigned char *in, size_t inlen)
235{
236 if (!ctx || !ctx->pmeth || !ctx->pmeth->decrypt) {
237 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
238 return -2;
239 }
240 if (ctx->operation != EVP_PKEY_OP_DECRYPT) {
241 EVPerror(EVP_R_OPERATON_NOT_INITIALIZED);
242 return -1;
243 }
244 M_check_autoarg(ctx, out, outlen, EVP_F_EVP_PKEY_DECRYPT)
245 return ctx->pmeth->decrypt(ctx, out, outlen, in, inlen);
246}
247LCRYPTO_ALIAS(EVP_PKEY_decrypt);
248
249int
250EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx)
251{
252 int ret;
253
254 if (!ctx || !ctx->pmeth || !ctx->pmeth->derive) {
255 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
256 return -2;
257 }
258 ctx->operation = EVP_PKEY_OP_DERIVE;
259 if (!ctx->pmeth->derive_init)
260 return 1;
261 ret = ctx->pmeth->derive_init(ctx);
262 if (ret <= 0)
263 ctx->operation = EVP_PKEY_OP_UNDEFINED;
264 return ret;
265}
266LCRYPTO_ALIAS(EVP_PKEY_derive_init);
267
268int
269EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer)
270{
271 int ret;
272
273 if (!ctx || !ctx->pmeth || !(ctx->pmeth->derive ||
274 ctx->pmeth->encrypt || ctx->pmeth->decrypt) ||
275 !ctx->pmeth->ctrl) {
276 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
277 return -2;
278 }
279 if (ctx->operation != EVP_PKEY_OP_DERIVE &&
280 ctx->operation != EVP_PKEY_OP_ENCRYPT &&
281 ctx->operation != EVP_PKEY_OP_DECRYPT) {
282 EVPerror(EVP_R_OPERATON_NOT_INITIALIZED);
283 return -1;
284 }
285
286 ret = ctx->pmeth->ctrl(ctx, EVP_PKEY_CTRL_PEER_KEY, 0, peer);
287
288 if (ret <= 0)
289 return ret;
290
291 if (ret == 2)
292 return 1;
293
294 if (!ctx->pkey) {
295 EVPerror(EVP_R_NO_KEY_SET);
296 return -1;
297 }
298
299 if (ctx->pkey->type != peer->type) {
300 EVPerror(EVP_R_DIFFERENT_KEY_TYPES);
301 return -1;
302 }
303
304 /* ran@cryptocom.ru: For clarity. The error is if parameters in peer are
305 * present (!missing) but don't match. EVP_PKEY_cmp_parameters may return
306 * 1 (match), 0 (don't match) and -2 (comparison is not defined). -1
307 * (different key types) is impossible here because it is checked earlier.
308 * -2 is OK for us here, as well as 1, so we can check for 0 only. */
309 if (!EVP_PKEY_missing_parameters(peer) &&
310 !EVP_PKEY_cmp_parameters(ctx->pkey, peer)) {
311 EVPerror(EVP_R_DIFFERENT_PARAMETERS);
312 return -1;
313 }
314
315 EVP_PKEY_free(ctx->peerkey);
316 ctx->peerkey = peer;
317
318 ret = ctx->pmeth->ctrl(ctx, EVP_PKEY_CTRL_PEER_KEY, 1, peer);
319
320 if (ret <= 0) {
321 ctx->peerkey = NULL;
322 return ret;
323 }
324
325 CRYPTO_add(&peer->references, 1, CRYPTO_LOCK_EVP_PKEY);
326 return 1;
327}
328LCRYPTO_ALIAS(EVP_PKEY_derive_set_peer);
329
330int
331EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *pkeylen)
332{
333 if (!ctx || !ctx->pmeth || !ctx->pmeth->derive) {
334 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
335 return -2;
336 }
337 if (ctx->operation != EVP_PKEY_OP_DERIVE) {
338 EVPerror(EVP_R_OPERATON_NOT_INITIALIZED);
339 return -1;
340 }
341 M_check_autoarg(ctx, key, pkeylen, EVP_F_EVP_PKEY_DERIVE)
342 return ctx->pmeth->derive(ctx, key, pkeylen);
343}
344LCRYPTO_ALIAS(EVP_PKEY_derive);
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-12-23 15:15:32 +0000