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authorcvs2svn <admin@example.com>2025-04-14 17:32:06 +0000
committercvs2svn <admin@example.com>2025-04-14 17:32:06 +0000
commiteb8dd9dca1228af0cd132f515509051ecfabf6f6 (patch)
treeedb6da6af7e865d488dc1a29309f1e1ec226e603 /src/lib/libcrypto/evp/pmeth_gn.c
parent247f0352e0ed72a4f476db9dc91f4d982bc83eb2 (diff)
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This commit was manufactured by cvs2git to create tag 'tb_20250414'.tb_20250414
Diffstat (limited to 'src/lib/libcrypto/evp/pmeth_gn.c')
-rw-r--r--src/lib/libcrypto/evp/pmeth_gn.c227
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diff --git a/src/lib/libcrypto/evp/pmeth_gn.c b/src/lib/libcrypto/evp/pmeth_gn.c
deleted file mode 100644
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1/* $OpenBSD: pmeth_gn.c,v 1.21 2024/08/31 09:14:21 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/bn.h>
63#include <openssl/err.h>
64#include <openssl/evp.h>
65#include <openssl/objects.h>
66
67#include "asn1_local.h"
68#include "bn_local.h"
69#include "evp_local.h"
70
71int
72EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx)
73{
74 if (ctx == NULL || ctx->pmeth == NULL || ctx->pmeth->paramgen == NULL) {
75 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
76 return -2;
77 }
78
79 ctx->operation = EVP_PKEY_OP_PARAMGEN;
80
81 return 1;
82}
83LCRYPTO_ALIAS(EVP_PKEY_paramgen_init);
84
85int
86EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey)
87{
88 int ret;
89
90 if (ctx == NULL || ctx->pmeth == NULL || ctx->pmeth->paramgen == NULL) {
91 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
92 return -2;
93 }
94
95 if (ctx->operation != EVP_PKEY_OP_PARAMGEN) {
96 EVPerror(EVP_R_OPERATON_NOT_INITIALIZED);
97 return -1;
98 }
99
100 if (ppkey == NULL)
101 return -1;
102
103 if (*ppkey == NULL)
104 *ppkey = EVP_PKEY_new();
105 if (*ppkey == NULL)
106 return -1;
107
108 if ((ret = ctx->pmeth->paramgen(ctx, *ppkey)) <= 0) {
109 EVP_PKEY_free(*ppkey);
110 *ppkey = NULL;
111 }
112
113 return ret;
114}
115LCRYPTO_ALIAS(EVP_PKEY_paramgen);
116
117int
118EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx)
119{
120 if (ctx == NULL || ctx->pmeth == NULL || ctx->pmeth->keygen == NULL) {
121 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
122 return -2;
123 }
124
125 ctx->operation = EVP_PKEY_OP_KEYGEN;
126
127 return 1;
128}
129LCRYPTO_ALIAS(EVP_PKEY_keygen_init);
130
131int
132EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey)
133{
134 int ret;
135
136 if (ctx == NULL || ctx->pmeth == NULL || ctx->pmeth->keygen == NULL) {
137 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
138 return -2;
139 }
140 if (ctx->operation != EVP_PKEY_OP_KEYGEN) {
141 EVPerror(EVP_R_OPERATON_NOT_INITIALIZED);
142 return -1;
143 }
144
145 if (ppkey == NULL)
146 return -1;
147
148 if (*ppkey == NULL)
149 *ppkey = EVP_PKEY_new();
150 if (*ppkey == NULL)
151 return -1;
152
153 if ((ret = ctx->pmeth->keygen(ctx, *ppkey)) <= 0) {
154 EVP_PKEY_free(*ppkey);
155 *ppkey = NULL;
156 }
157
158 return ret;
159}
160LCRYPTO_ALIAS(EVP_PKEY_keygen);
161
162void
163EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb)
164{
165 ctx->pkey_gencb = cb;
166}
167LCRYPTO_ALIAS(EVP_PKEY_CTX_set_cb);
168
169EVP_PKEY_gen_cb *
170EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx)
171{
172 return ctx->pkey_gencb;
173}
174LCRYPTO_ALIAS(EVP_PKEY_CTX_get_cb);
175
176/* "translation callback" to call EVP_PKEY_CTX callbacks using BN_GENCB
177 * style callbacks.
178 */
179
180static int
181trans_cb(int a, int b, BN_GENCB *gcb)
182{
183 EVP_PKEY_CTX *ctx = gcb->arg;
184 ctx->keygen_info[0] = a;
185 ctx->keygen_info[1] = b;
186 return ctx->pkey_gencb(ctx);
187}
188
189void
190evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx)
191{
192 BN_GENCB_set(cb, trans_cb, ctx);
193}
194
195int
196EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx)
197{
198 if (idx == -1)
199 return ctx->keygen_info_count;
200 if (idx < 0 || idx >= ctx->keygen_info_count)
201 return 0;
202 return ctx->keygen_info[idx];
203}
204LCRYPTO_ALIAS(EVP_PKEY_CTX_get_keygen_info);
205
206EVP_PKEY *
207EVP_PKEY_new_mac_key(int type, ENGINE *e, const unsigned char *key, int keylen)
208{
209 EVP_PKEY_CTX *mac_ctx = NULL;
210 EVP_PKEY *mac_key = NULL;
211
212 mac_ctx = EVP_PKEY_CTX_new_id(type, NULL);
213 if (!mac_ctx)
214 return NULL;
215 if (EVP_PKEY_keygen_init(mac_ctx) <= 0)
216 goto merr;
217 if (EVP_PKEY_CTX_ctrl(mac_ctx, -1, EVP_PKEY_OP_KEYGEN,
218 EVP_PKEY_CTRL_SET_MAC_KEY, keylen, (void *)key) <= 0)
219 goto merr;
220 if (EVP_PKEY_keygen(mac_ctx, &mac_key) <= 0)
221 goto merr;
222
223merr:
224 EVP_PKEY_CTX_free(mac_ctx);
225 return mac_key;
226}
227LCRYPTO_ALIAS(EVP_PKEY_new_mac_key);