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pmeth_gn.c

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1/* $OpenBSD: pmeth_gn.c,v 1.6 2017/01/29 17:49:23 beck 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 "evp_locl.h"-
68-
69int-
70EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx)-
71{-
72 int ret;-
73-
74 if (!ctx || !ctx->pmeth || !ctx->pmeth->paramgen) {
!ctxDescription
TRUEnever evaluated
FALSEnever evaluated
!ctx->pmethDescription
TRUEnever evaluated
FALSEnever evaluated
!ctx->pmeth->paramgenDescription
TRUEnever evaluated
FALSEnever evaluated
0
75 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);-
76 return -2;
never executed: return -2;
0
77 }-
78 ctx->operation = EVP_PKEY_OP_PARAMGEN;-
79 if (!ctx->pmeth->paramgen_init)
!ctx->pmeth->paramgen_initDescription
TRUEnever evaluated
FALSEnever evaluated
0
80 return 1;
never executed: return 1;
0
81 ret = ctx->pmeth->paramgen_init(ctx);-
82 if (ret <= 0)
ret <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
83 ctx->operation = EVP_PKEY_OP_UNDEFINED;
never executed: ctx->operation = 0;
0
84 return ret;
never executed: return ret;
0
85}-
86-
87int-
88EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey)-
89{-
90 int ret;-
91-
92 if (!ctx || !ctx->pmeth || !ctx->pmeth->paramgen) {
!ctxDescription
TRUEnever evaluated
FALSEnever evaluated
!ctx->pmethDescription
TRUEnever evaluated
FALSEnever evaluated
!ctx->pmeth->paramgenDescription
TRUEnever evaluated
FALSEnever evaluated
0
93 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);-
94 return -2;
never executed: return -2;
0
95 }-
96-
97 if (ctx->operation != EVP_PKEY_OP_PARAMGEN) {
ctx->operation != (1<<1)Description
TRUEnever evaluated
FALSEnever evaluated
0
98 EVPerror(EVP_R_OPERATON_NOT_INITIALIZED);-
99 return -1;
never executed: return -1;
0
100 }-
101-
102 if (!ppkey)
!ppkeyDescription
TRUEnever evaluated
FALSEnever evaluated
0
103 return -1;
never executed: return -1;
0
104-
105 if (!*ppkey)
!*ppkeyDescription
TRUEnever evaluated
FALSEnever evaluated
0
106 *ppkey = EVP_PKEY_new();
never executed: *ppkey = EVP_PKEY_new();
0
107-
108 ret = ctx->pmeth->paramgen(ctx, *ppkey);-
109 if (ret <= 0) {
ret <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
110 EVP_PKEY_free(*ppkey);-
111 *ppkey = NULL;-
112 }
never executed: end of block
0
113 return ret;
never executed: return ret;
0
114}-
115-
116int-
117EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx)-
118{-
119 int ret;-
120-
121 if (!ctx || !ctx->pmeth || !ctx->pmeth->keygen) {
!ctxDescription
TRUEnever evaluated
FALSEevaluated 1813 times by 5 tests
Evaluated by:
  • gost2814789t
  • libcrypto.so.44.0.1
  • ssltest
  • tls_prf
  • tlstest
!ctx->pmethDescription
TRUEnever evaluated
FALSEevaluated 1813 times by 5 tests
Evaluated by:
  • gost2814789t
  • libcrypto.so.44.0.1
  • ssltest
  • tls_prf
  • tlstest
!ctx->pmeth->keygenDescription
TRUEnever evaluated
FALSEevaluated 1813 times by 5 tests
Evaluated by:
  • gost2814789t
  • libcrypto.so.44.0.1
  • ssltest
  • tls_prf
  • tlstest
0-1813
122 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);-
123 return -2;
never executed: return -2;
0
124 }-
125 ctx->operation = EVP_PKEY_OP_KEYGEN;-
126 if (!ctx->pmeth->keygen_init)
!ctx->pmeth->keygen_initDescription
TRUEevaluated 1813 times by 5 tests
Evaluated by:
  • gost2814789t
  • libcrypto.so.44.0.1
  • ssltest
  • tls_prf
  • tlstest
FALSEnever evaluated
0-1813
127 return 1;
executed 1813 times by 5 tests: return 1;
Executed by:
  • gost2814789t
  • libcrypto.so.44.0.1
  • ssltest
  • tls_prf
  • tlstest
1813
128 ret = ctx->pmeth->keygen_init(ctx);-
129 if (ret <= 0)
ret <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
130 ctx->operation = EVP_PKEY_OP_UNDEFINED;
never executed: ctx->operation = 0;
0
131 return ret;
never executed: return ret;
0
132}-
133-
134int-
135EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey)-
136{-
137 int ret;-
138-
139 if (!ctx || !ctx->pmeth || !ctx->pmeth->keygen) {
!ctxDescription
TRUEnever evaluated
FALSEevaluated 1813 times by 5 tests
Evaluated by:
  • gost2814789t
  • libcrypto.so.44.0.1
  • ssltest
  • tls_prf
  • tlstest
!ctx->pmethDescription
TRUEnever evaluated
FALSEevaluated 1813 times by 5 tests
Evaluated by:
  • gost2814789t
  • libcrypto.so.44.0.1
  • ssltest
  • tls_prf
  • tlstest
!ctx->pmeth->keygenDescription
TRUEnever evaluated
FALSEevaluated 1813 times by 5 tests
Evaluated by:
  • gost2814789t
  • libcrypto.so.44.0.1
  • ssltest
  • tls_prf
  • tlstest
0-1813
140 EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);-
141 return -2;
never executed: return -2;
0
142 }-
143 if (ctx->operation != EVP_PKEY_OP_KEYGEN) {
ctx->operation != (1<<2)Description
TRUEnever evaluated
FALSEevaluated 1813 times by 5 tests
Evaluated by:
  • gost2814789t
  • libcrypto.so.44.0.1
  • ssltest
  • tls_prf
  • tlstest
0-1813
144 EVPerror(EVP_R_OPERATON_NOT_INITIALIZED);-
145 return -1;
never executed: return -1;
0
146 }-
147-
148 if (!ppkey)
!ppkeyDescription
TRUEnever evaluated
FALSEevaluated 1813 times by 5 tests
Evaluated by:
  • gost2814789t
  • libcrypto.so.44.0.1
  • ssltest
  • tls_prf
  • tlstest
0-1813
149 return -1;
never executed: return -1;
0
150-
151 if (!*ppkey)
!*ppkeyDescription
TRUEevaluated 1813 times by 5 tests
Evaluated by:
  • gost2814789t
  • libcrypto.so.44.0.1
  • ssltest
  • tls_prf
  • tlstest
FALSEnever evaluated
0-1813
152 *ppkey = EVP_PKEY_new();
executed 1813 times by 5 tests: *ppkey = EVP_PKEY_new();
Executed by:
  • gost2814789t
  • libcrypto.so.44.0.1
  • ssltest
  • tls_prf
  • tlstest
1813
153-
154 ret = ctx->pmeth->keygen(ctx, *ppkey);-
155 if (ret <= 0) {
ret <= 0Description
TRUEnever evaluated
FALSEevaluated 1813 times by 5 tests
Evaluated by:
  • gost2814789t
  • libcrypto.so.44.0.1
  • ssltest
  • tls_prf
  • tlstest
0-1813
156 EVP_PKEY_free(*ppkey);-
157 *ppkey = NULL;-
158 }
never executed: end of block
0
159 return ret;
executed 1813 times by 5 tests: return ret;
Executed by:
  • gost2814789t
  • libcrypto.so.44.0.1
  • ssltest
  • tls_prf
  • tlstest
1813
160}-
161-
162void-
163EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb)-
164{-
165 ctx->pkey_gencb = cb;-
166}
executed 1 time by 1 test: end of block
Executed by:
  • libcrypto.so.44.0.1
1
167-
168EVP_PKEY_gen_cb *-
169EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx)-
170{-
171 return ctx->pkey_gencb;
never executed: return ctx->pkey_gencb;
0
172}-
173-
174/* "translation callback" to call EVP_PKEY_CTX callbacks using BN_GENCB-
175 * style callbacks.-
176 */-
177-
178static int-
179trans_cb(int a, int b, BN_GENCB *gcb)-
180{-
181 EVP_PKEY_CTX *ctx = gcb->arg;-
182 ctx->keygen_info[0] = a;-
183 ctx->keygen_info[1] = b;-
184 return ctx->pkey_gencb(ctx);
never executed: return ctx->pkey_gencb(ctx);
0
185}-
186-
187void-
188evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx)-
189{-
190 BN_GENCB_set(cb, trans_cb, ctx)-
191}
never executed: end of block
0
192-
193int-
194EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx)-
195{-
196 if (idx == -1)
idx == -1Description
TRUEnever evaluated
FALSEnever evaluated
0
197 return ctx->keygen_info_count;
never executed: return ctx->keygen_info_count;
0
198 if (idx < 0 || idx > ctx->keygen_info_count)
idx < 0Description
TRUEnever evaluated
FALSEnever evaluated
idx > ctx->keygen_info_countDescription
TRUEnever evaluated
FALSEnever evaluated
0
199 return 0;
never executed: return 0;
0
200 return ctx->keygen_info[idx];
never executed: return ctx->keygen_info[idx];
0
201}-
202-
203EVP_PKEY *-
204EVP_PKEY_new_mac_key(int type, ENGINE *e, const unsigned char *key, int keylen)-
205{-
206 EVP_PKEY_CTX *mac_ctx = NULL;-
207 EVP_PKEY *mac_key = NULL;-
208-
209 mac_ctx = EVP_PKEY_CTX_new_id(type, e);-
210 if (!mac_ctx)
!mac_ctxDescription
TRUEnever evaluated
FALSEevaluated 1812 times by 4 tests
Evaluated by:
  • gost2814789t
  • ssltest
  • tls_prf
  • tlstest
0-1812
211 return NULL;
never executed: return ((void *)0) ;
0
212 if (EVP_PKEY_keygen_init(mac_ctx) <= 0)
EVP_PKEY_keyge...(mac_ctx) <= 0Description
TRUEnever evaluated
FALSEevaluated 1812 times by 4 tests
Evaluated by:
  • gost2814789t
  • ssltest
  • tls_prf
  • tlstest
0-1812
213 goto merr;
never executed: goto merr;
0
214 if (EVP_PKEY_CTX_ctrl(mac_ctx, -1, EVP_PKEY_OP_KEYGEN,
EVP_PKEY_CTX_c...id *)key) <= 0Description
TRUEnever evaluated
FALSEevaluated 1812 times by 4 tests
Evaluated by:
  • gost2814789t
  • ssltest
  • tls_prf
  • tlstest
0-1812
215 EVP_PKEY_CTRL_SET_MAC_KEY, keylen, (void *)key) <= 0)
EVP_PKEY_CTX_c...id *)key) <= 0Description
TRUEnever evaluated
FALSEevaluated 1812 times by 4 tests
Evaluated by:
  • gost2814789t
  • ssltest
  • tls_prf
  • tlstest
0-1812
216 goto merr;
never executed: goto merr;
0
217 if (EVP_PKEY_keygen(mac_ctx, &mac_key) <= 0)
EVP_PKEY_keyge...&mac_key) <= 0Description
TRUEnever evaluated
FALSEevaluated 1812 times by 4 tests
Evaluated by:
  • gost2814789t
  • ssltest
  • tls_prf
  • tlstest
0-1812
218 goto merr;
never executed: goto merr;
0
219-
220merr:
code before this statement executed 1812 times by 4 tests: merr:
Executed by:
  • gost2814789t
  • ssltest
  • tls_prf
  • tlstest
1812
221 EVP_PKEY_CTX_free(mac_ctx);-
222 return mac_key;
executed 1812 times by 4 tests: return mac_key;
Executed by:
  • gost2814789t
  • ssltest
  • tls_prf
  • tlstest
1812
223}-
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