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-rw-r--r--src/lib/libcrypto/evp/pmeth_lib.c366
1 files changed, 0 insertions, 366 deletions
diff --git a/src/lib/libcrypto/evp/pmeth_lib.c b/src/lib/libcrypto/evp/pmeth_lib.c
deleted file mode 100644
index fbf4057c38..0000000000
--- a/src/lib/libcrypto/evp/pmeth_lib.c
+++ /dev/null
@@ -1,366 +0,0 @@
1/* $OpenBSD: pmeth_lib.c,v 1.42 2025/01/20 12:57:28 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 <limits.h>
60#include <stdio.h>
61#include <stdlib.h>
62#include <string.h>
63
64#include <openssl/opensslconf.h>
65
66#include <openssl/err.h>
67#include <openssl/evp.h>
68#include <openssl/objects.h>
69#include <openssl/x509v3.h>
70
71#include "asn1_local.h"
72#include "evp_local.h"
73
74extern const EVP_PKEY_METHOD cmac_pkey_meth;
75extern const EVP_PKEY_METHOD dh_pkey_meth;
76extern const EVP_PKEY_METHOD dsa_pkey_meth;
77extern const EVP_PKEY_METHOD ec_pkey_meth;
78extern const EVP_PKEY_METHOD ed25519_pkey_meth;
79extern const EVP_PKEY_METHOD hkdf_pkey_meth;
80extern const EVP_PKEY_METHOD hmac_pkey_meth;
81extern const EVP_PKEY_METHOD rsa_pkey_meth;
82extern const EVP_PKEY_METHOD rsa_pss_pkey_meth;
83extern const EVP_PKEY_METHOD tls1_prf_pkey_meth;
84extern const EVP_PKEY_METHOD x25519_pkey_meth;
85
86static const EVP_PKEY_METHOD *pkey_methods[] = {
87 &cmac_pkey_meth,
88 &dh_pkey_meth,
89 &dsa_pkey_meth,
90 &ec_pkey_meth,
91 &ed25519_pkey_meth,
92 &hkdf_pkey_meth,
93 &hmac_pkey_meth,
94 &rsa_pkey_meth,
95 &rsa_pss_pkey_meth,
96 &tls1_prf_pkey_meth,
97 &x25519_pkey_meth,
98};
99
100#define N_PKEY_METHODS (sizeof(pkey_methods) / sizeof(pkey_methods[0]))
101
102static const EVP_PKEY_METHOD *
103evp_pkey_method_find(int nid)
104{
105 size_t i;
106
107 for (i = 0; i < N_PKEY_METHODS; i++) {
108 const EVP_PKEY_METHOD *pmeth = pkey_methods[i];
109 if (pmeth->pkey_id == nid)
110 return pmeth;
111 }
112
113 return NULL;
114}
115
116static EVP_PKEY_CTX *
117evp_pkey_ctx_new(EVP_PKEY *pkey, int nid)
118{
119 EVP_PKEY_CTX *pkey_ctx = NULL;
120 const EVP_PKEY_METHOD *pmeth;
121
122 if (nid == -1) {
123 if (pkey == NULL || pkey->ameth == NULL)
124 return NULL;
125 nid = pkey->ameth->pkey_id;
126 }
127
128 if ((pmeth = evp_pkey_method_find(nid)) == NULL) {
129 EVPerror(EVP_R_UNSUPPORTED_ALGORITHM);
130 goto err;
131 }
132
133 if ((pkey_ctx = calloc(1, sizeof(*pkey_ctx))) == NULL) {
134 EVPerror(ERR_R_MALLOC_FAILURE);
135 goto err;
136 }
137 pkey_ctx->pmeth = pmeth;
138 pkey_ctx->operation = EVP_PKEY_OP_UNDEFINED;
139 if ((pkey_ctx->pkey = pkey) != NULL)
140 EVP_PKEY_up_ref(pkey_ctx->pkey);
141
142 if (pmeth->init != NULL) {
143 if (pmeth->init(pkey_ctx) <= 0)
144 goto err;
145 }
146
147 return pkey_ctx;
148
149 err:
150 EVP_PKEY_CTX_free(pkey_ctx);
151
152 return NULL;
153}
154
155EVP_PKEY_CTX *
156EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *engine)
157{
158 return evp_pkey_ctx_new(pkey, -1);
159}
160LCRYPTO_ALIAS(EVP_PKEY_CTX_new);
161
162EVP_PKEY_CTX *
163EVP_PKEY_CTX_new_id(int nid, ENGINE *engine)
164{
165 return evp_pkey_ctx_new(NULL, nid);
166}
167LCRYPTO_ALIAS(EVP_PKEY_CTX_new_id);
168
169EVP_PKEY_CTX *
170EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx)
171{
172 EVP_PKEY_CTX *rctx = NULL;
173
174 if (pctx->pmeth == NULL || pctx->pmeth->copy == NULL)
175 goto err;
176 if ((rctx = calloc(1, sizeof(*rctx))) == NULL) {
177 EVPerror(ERR_R_MALLOC_FAILURE);
178 goto err;
179 }
180
181 rctx->pmeth = pctx->pmeth;
182
183 if ((rctx->pkey = pctx->pkey) != NULL)
184 EVP_PKEY_up_ref(rctx->pkey);
185 if ((rctx->peerkey = pctx->peerkey) != NULL)
186 EVP_PKEY_up_ref(rctx->peerkey);
187
188 rctx->operation = pctx->operation;
189
190 if (pctx->pmeth->copy(rctx, pctx) <= 0)
191 goto err;
192
193 return rctx;
194
195 err:
196 EVP_PKEY_CTX_free(rctx);
197 return NULL;
198}
199LCRYPTO_ALIAS(EVP_PKEY_CTX_dup);
200
201void
202EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
203{
204 if (ctx == NULL)
205 return;
206 if (ctx->pmeth && ctx->pmeth->cleanup)
207 ctx->pmeth->cleanup(ctx);
208 EVP_PKEY_free(ctx->pkey);
209 EVP_PKEY_free(ctx->peerkey);
210 free(ctx);
211}
212LCRYPTO_ALIAS(EVP_PKEY_CTX_free);
213
214int
215EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, int cmd,
216 int p1, void *p2)
217{
218 int ret;
219
220 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) {
221 EVPerror(EVP_R_COMMAND_NOT_SUPPORTED);
222 return -2;
223 }
224 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
225 return -1;
226
227 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
228 EVPerror(EVP_R_NO_OPERATION_SET);
229 return -1;
230 }
231
232 if ((optype != -1) && !(ctx->operation & optype)) {
233 EVPerror(EVP_R_INVALID_OPERATION);
234 return -1;
235 }
236
237 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
238
239 if (ret == -2)
240 EVPerror(EVP_R_COMMAND_NOT_SUPPORTED);
241
242 return ret;
243
244}
245LCRYPTO_ALIAS(EVP_PKEY_CTX_ctrl);
246
247/*
248 * This is practically unused and would best be a part of the openssl(1) code,
249 * but, unfortunately, openssl-ruby exposes this directly in an interface and
250 * it's currently the only way to do RSA-PSS in Ruby.
251 */
252int
253EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *name, const char *value)
254{
255 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
256 EVPerror(EVP_R_COMMAND_NOT_SUPPORTED);
257 return -2;
258 }
259 if (!strcmp(name, "digest")) {
260 return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG,
261 EVP_PKEY_CTRL_MD, value);
262 }
263 return ctx->pmeth->ctrl_str(ctx, name, value);
264}
265LCRYPTO_ALIAS(EVP_PKEY_CTX_ctrl_str);
266
267int
268EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
269{
270 size_t len;
271
272 if ((len = strlen(str)) > INT_MAX)
273 return -1;
274
275 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
276}
277
278int
279EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hexstr)
280{
281 unsigned char *hex = NULL;
282 long length;
283 int ret = 0;
284
285 if ((hex = string_to_hex(hexstr, &length)) == NULL)
286 goto err;
287 if (length < 0 || length > INT_MAX) {
288 ret = -1;
289 goto err;
290 }
291
292 ret = ctx->pmeth->ctrl(ctx, cmd, length, hex);
293
294 err:
295 free(hex);
296 return ret;
297}
298
299int
300EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md_name)
301{
302 const EVP_MD *md;
303
304 if ((md = EVP_get_digestbyname(md_name)) == NULL) {
305 EVPerror(EVP_R_INVALID_DIGEST);
306 return 0;
307 }
308 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)md);
309}
310
311int
312EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
313{
314 return ctx->operation;
315}
316LCRYPTO_ALIAS(EVP_PKEY_CTX_get_operation);
317
318void
319EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
320{
321 ctx->keygen_info = dat;
322 ctx->keygen_info_count = datlen;
323}
324LCRYPTO_ALIAS(EVP_PKEY_CTX_set0_keygen_info);
325
326void
327EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
328{
329 ctx->data = data;
330}
331LCRYPTO_ALIAS(EVP_PKEY_CTX_set_data);
332
333void *
334EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx)
335{
336 return ctx->data;
337}
338LCRYPTO_ALIAS(EVP_PKEY_CTX_get_data);
339
340EVP_PKEY *
341EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
342{
343 return ctx->pkey;
344}
345LCRYPTO_ALIAS(EVP_PKEY_CTX_get0_pkey);
346
347EVP_PKEY *
348EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
349{
350 return ctx->peerkey;
351}
352LCRYPTO_ALIAS(EVP_PKEY_CTX_get0_peerkey);
353
354void
355EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
356{
357 ctx->app_data = data;
358}
359LCRYPTO_ALIAS(EVP_PKEY_CTX_set_app_data);
360
361void *
362EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
363{
364 return ctx->app_data;
365}
366LCRYPTO_ALIAS(EVP_PKEY_CTX_get_app_data);
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