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ec_key.c

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1/* $OpenBSD: ec_key.c,v 1.17 2018/07/15 16:27:39 tb Exp $ */-
2/*-
3 * Written by Nils Larsch for the OpenSSL project.-
4 */-
5/* ====================================================================-
6 * Copyright (c) 1998-2005 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 * openssl-core@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 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.-
60 * Portions originally developed by SUN MICROSYSTEMS, INC., and-
61 * contributed to the OpenSSL project.-
62 */-
63-
64#include <string.h>-
65-
66#include <openssl/opensslconf.h>-
67-
68#include "ec_lcl.h"-
69#include <openssl/err.h>-
70-
71EC_KEY *-
72EC_KEY_new(void)-
73{-
74 EC_KEY *ret;-
75-
76 ret = malloc(sizeof(EC_KEY));-
77 if (ret == NULL) {
ret == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 319 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
0-319
78 ECerror(ERR_R_MALLOC_FAILURE);-
79 return (NULL);
never executed: return ( ((void *)0) );
0
80 }-
81 ret->version = 1;-
82 ret->flags = 0;-
83 ret->group = NULL;-
84 ret->pub_key = NULL;-
85 ret->priv_key = NULL;-
86 ret->enc_flag = 0;-
87 ret->conv_form = POINT_CONVERSION_UNCOMPRESSED;-
88 ret->references = 1;-
89 ret->method_data = NULL;-
90 return (ret);
executed 319 times by 3 tests: return (ret);
Executed by:
  • ecdhtest
  • ecdsatest
  • ssltest
319
91}-
92-
93EC_KEY *-
94EC_KEY_new_by_curve_name(int nid)-
95{-
96 EC_KEY *ret = EC_KEY_new();-
97 if (ret == NULL)
ret == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 108 times by 2 tests
Evaluated by:
  • ecdhtest
  • ssltest
0-108
98 return NULL;
never executed: return ((void *)0) ;
0
99 ret->group = EC_GROUP_new_by_curve_name(nid);-
100 if (ret->group == NULL) {
ret->group == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 108 times by 2 tests
Evaluated by:
  • ecdhtest
  • ssltest
0-108
101 EC_KEY_free(ret);-
102 return NULL;
never executed: return ((void *)0) ;
0
103 }-
104 return ret;
executed 108 times by 2 tests: return ret;
Executed by:
  • ecdhtest
  • ssltest
108
105}-
106-
107void -
108EC_KEY_free(EC_KEY * r)-
109{-
110 int i;-
111-
112 if (r == NULL)
r == ((void *)0)Description
TRUEevaluated 1454 times by 15 tests
Evaluated by:
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • ecdsatest
  • freenull
  • libcrypto.so.44.0.1
  • servertest
  • ssl_versions
  • ssltest
  • tls_ext_alpn
  • tls_prf
  • tlsexttest
  • tlstest
  • verifytest
FALSEevaluated 319 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
319-1454
113 return;
executed 1454 times by 15 tests: return;
Executed by:
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • ecdsatest
  • freenull
  • libcrypto.so.44.0.1
  • servertest
  • ssl_versions
  • ssltest
  • tls_ext_alpn
  • tls_prf
  • tlsexttest
  • tlstest
  • verifytest
1454
114-
115 i = CRYPTO_add(&r->references, -1, CRYPTO_LOCK_EC);-
116 if (i > 0)
i > 0Description
TRUEnever evaluated
FALSEevaluated 319 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
0-319
117 return;
never executed: return;
0
118-
119 EC_GROUP_free(r->group);-
120 EC_POINT_free(r->pub_key);-
121 BN_clear_free(r->priv_key);-
122-
123 EC_EX_DATA_free_all_data(&r->method_data);-
124-
125 freezero(r, sizeof(EC_KEY));-
126}
executed 319 times by 3 tests: end of block
Executed by:
  • ecdhtest
  • ecdsatest
  • ssltest
319
127-
128EC_KEY *-
129EC_KEY_copy(EC_KEY * dest, const EC_KEY * src)-
130{-
131 EC_EXTRA_DATA *d;-
132-
133 if (dest == NULL || src == NULL) {
dest == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
src == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
134 ECerror(ERR_R_PASSED_NULL_PARAMETER);-
135 return NULL;
never executed: return ((void *)0) ;
0
136 }-
137 /* copy the parameters */-
138 if (src->group) {
src->groupDescription
TRUEnever evaluated
FALSEnever evaluated
0
139 const EC_METHOD *meth = EC_GROUP_method_of(src->group);-
140 /* clear the old group */-
141 EC_GROUP_free(dest->group);-
142 dest->group = EC_GROUP_new(meth);-
143 if (dest->group == NULL)
dest->group == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
144 return NULL;
never executed: return ((void *)0) ;
0
145 if (!EC_GROUP_copy(dest->group, src->group))
!EC_GROUP_copy...p, src->group)Description
TRUEnever evaluated
FALSEnever evaluated
0
146 return NULL;
never executed: return ((void *)0) ;
0
147 }
never executed: end of block
0
148 /* copy the public key */-
149 if (src->pub_key && src->group) {
src->pub_keyDescription
TRUEnever evaluated
FALSEnever evaluated
src->groupDescription
TRUEnever evaluated
FALSEnever evaluated
0
150 EC_POINT_free(dest->pub_key);-
151 dest->pub_key = EC_POINT_new(src->group);-
152 if (dest->pub_key == NULL)
dest->pub_key == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
153 return NULL;
never executed: return ((void *)0) ;
0
154 if (!EC_POINT_copy(dest->pub_key, src->pub_key))
!EC_POINT_copy... src->pub_key)Description
TRUEnever evaluated
FALSEnever evaluated
0
155 return NULL;
never executed: return ((void *)0) ;
0
156 }
never executed: end of block
0
157 /* copy the private key */-
158 if (src->priv_key) {
src->priv_keyDescription
TRUEnever evaluated
FALSEnever evaluated
0
159 if (dest->priv_key == NULL) {
dest->priv_key == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
160 dest->priv_key = BN_new();-
161 if (dest->priv_key == NULL)
dest->priv_key == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
162 return NULL;
never executed: return ((void *)0) ;
0
163 }
never executed: end of block
0
164 if (!BN_copy(dest->priv_key, src->priv_key))
!BN_copy(dest-...src->priv_key)Description
TRUEnever evaluated
FALSEnever evaluated
0
165 return NULL;
never executed: return ((void *)0) ;
0
166 }
never executed: end of block
0
167 /* copy method/extra data */-
168 EC_EX_DATA_free_all_data(&dest->method_data);-
169-
170 for (d = src->method_data; d != NULL; d = d->next) {
d != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
171 void *t = d->dup_func(d->data);-
172-
173 if (t == NULL)
t == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
174 return 0;
never executed: return 0;
0
175 if (!EC_EX_DATA_set_data(&dest->method_data, t, d->dup_func,
!EC_EX_DATA_se...ear_free_func)Description
TRUEnever evaluated
FALSEnever evaluated
0
176 d->free_func, d->clear_free_func))
!EC_EX_DATA_se...ear_free_func)Description
TRUEnever evaluated
FALSEnever evaluated
0
177 return 0;
never executed: return 0;
0
178 }
never executed: end of block
0
179-
180 /* copy the rest */-
181 dest->enc_flag = src->enc_flag;-
182 dest->conv_form = src->conv_form;-
183 dest->version = src->version;-
184 dest->flags = src->flags;-
185-
186 return dest;
never executed: return dest;
0
187}-
188-
189EC_KEY *-
190EC_KEY_dup(const EC_KEY * ec_key)-
191{-
192 EC_KEY *ret = EC_KEY_new();-
193 if (ret == NULL)
ret == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
194 return NULL;
never executed: return ((void *)0) ;
0
195 if (EC_KEY_copy(ret, ec_key) == NULL) {
EC_KEY_copy(re...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
196 EC_KEY_free(ret);-
197 return NULL;
never executed: return ((void *)0) ;
0
198 }-
199 return ret;
never executed: return ret;
0
200}-
201-
202int -
203EC_KEY_up_ref(EC_KEY * r)-
204{-
205 int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_EC);-
206 return ((i > 1) ? 1 : 0);
never executed: return ((i > 1) ? 1 : 0);
(i > 1)Description
TRUEnever evaluated
FALSEnever evaluated
0
207}-
208-
209int -
210EC_KEY_generate_key(EC_KEY * eckey)-
211{-
212 int ok = 0;-
213 BN_CTX *ctx = NULL;-
214 BIGNUM *priv_key = NULL, *order = NULL;-
215 EC_POINT *pub_key = NULL;-
216-
217 if (!eckey || !eckey->group) {
!eckeyDescription
TRUEnever evaluated
FALSEevaluated 228 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
!eckey->groupDescription
TRUEnever evaluated
FALSEevaluated 228 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
0-228
218 ECerror(ERR_R_PASSED_NULL_PARAMETER);-
219 return 0;
never executed: return 0;
0
220 }-
221 if ((order = BN_new()) == NULL)
(order = BN_ne...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 228 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
0-228
222 goto err;
never executed: goto err;
0
223 if ((ctx = BN_CTX_new()) == NULL)
(ctx = BN_CTX_...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 228 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
0-228
224 goto err;
never executed: goto err;
0
225-
226 if (eckey->priv_key == NULL) {
eckey->priv_key == ((void *)0)Description
TRUEevaluated 228 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
FALSEnever evaluated
0-228
227 priv_key = BN_new();-
228 if (priv_key == NULL)
priv_key == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 228 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
0-228
229 goto err;
never executed: goto err;
0
230 } else
executed 228 times by 3 tests: end of block
Executed by:
  • ecdhtest
  • ecdsatest
  • ssltest
228
231 priv_key = eckey->priv_key;
never executed: priv_key = eckey->priv_key;
0
232-
233 if (!EC_GROUP_get_order(eckey->group, order, ctx))
!EC_GROUP_get_...p, order, ctx)Description
TRUEnever evaluated
FALSEevaluated 228 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
0-228
234 goto err;
never executed: goto err;
0
235-
236 do-
237 if (!BN_rand_range(priv_key, order))
!BN_rand_range...iv_key, order)Description
TRUEnever evaluated
FALSEevaluated 228 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
0-228
238 goto err;
never executed: goto err;
0
239 while (BN_is_zero(priv_key));
((priv_key)->top == 0)Description
TRUEnever evaluated
FALSEevaluated 228 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
0-228
240-
241 if (eckey->pub_key == NULL) {
eckey->pub_key == ((void *)0)Description
TRUEevaluated 228 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
FALSEnever evaluated
0-228
242 pub_key = EC_POINT_new(eckey->group);-
243 if (pub_key == NULL)
pub_key == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 228 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
0-228
244 goto err;
never executed: goto err;
0
245 } else
executed 228 times by 3 tests: end of block
Executed by:
  • ecdhtest
  • ecdsatest
  • ssltest
228
246 pub_key = eckey->pub_key;
never executed: pub_key = eckey->pub_key;
0
247-
248 if (!EC_POINT_mul(eckey->group, pub_key, priv_key, NULL, NULL, ctx))
!EC_POINT_mul(...id *)0) , ctx)Description
TRUEnever evaluated
FALSEevaluated 228 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
0-228
249 goto err;
never executed: goto err;
0
250-
251 eckey->priv_key = priv_key;-
252 eckey->pub_key = pub_key;-
253-
254 ok = 1;-
255-
256 err:
code before this statement executed 228 times by 3 tests: err:
Executed by:
  • ecdhtest
  • ecdsatest
  • ssltest
228
257 BN_free(order);-
258 if (pub_key != NULL && eckey->pub_key == NULL)
pub_key != ((void *)0)Description
TRUEevaluated 228 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
FALSEnever evaluated
eckey->pub_key == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 228 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
0-228
259 EC_POINT_free(pub_key);
never executed: EC_POINT_free(pub_key);
0
260 if (priv_key != NULL && eckey->priv_key == NULL)
priv_key != ((void *)0)Description
TRUEevaluated 228 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
FALSEnever evaluated
eckey->priv_key == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 228 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
0-228
261 BN_free(priv_key);
never executed: BN_free(priv_key);
0
262 BN_CTX_free(ctx);-
263 return (ok);
executed 228 times by 3 tests: return (ok);
Executed by:
  • ecdhtest
  • ecdsatest
  • ssltest
228
264}-
265-
266int -
267EC_KEY_check_key(const EC_KEY * eckey)-
268{-
269 int ok = 0;-
270 BN_CTX *ctx = NULL;-
271 const BIGNUM *order = NULL;-
272 EC_POINT *point = NULL;-
273-
274 if (!eckey || !eckey->group || !eckey->pub_key) {
!eckeyDescription
TRUEnever evaluated
FALSEevaluated 76 times by 1 test
Evaluated by:
  • ecdsatest
!eckey->groupDescription
TRUEnever evaluated
FALSEevaluated 76 times by 1 test
Evaluated by:
  • ecdsatest
!eckey->pub_keyDescription
TRUEnever evaluated
FALSEevaluated 76 times by 1 test
Evaluated by:
  • ecdsatest
0-76
275 ECerror(ERR_R_PASSED_NULL_PARAMETER);-
276 return 0;
never executed: return 0;
0
277 }-
278 if (EC_POINT_is_at_infinity(eckey->group, eckey->pub_key) > 0) {
EC_POINT_is_at...->pub_key) > 0Description
TRUEnever evaluated
FALSEevaluated 76 times by 1 test
Evaluated by:
  • ecdsatest
0-76
279 ECerror(EC_R_POINT_AT_INFINITY);-
280 goto err;
never executed: goto err;
0
281 }-
282 if ((ctx = BN_CTX_new()) == NULL)
(ctx = BN_CTX_...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 76 times by 1 test
Evaluated by:
  • ecdsatest
0-76
283 goto err;
never executed: goto err;
0
284 if ((point = EC_POINT_new(eckey->group)) == NULL)
(point = EC_PO...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 76 times by 1 test
Evaluated by:
  • ecdsatest
0-76
285 goto err;
never executed: goto err;
0
286-
287 /* testing whether the pub_key is on the elliptic curve */-
288 if (EC_POINT_is_on_curve(eckey->group, eckey->pub_key, ctx) <= 0) {
EC_POINT_is_on...key, ctx) <= 0Description
TRUEnever evaluated
FALSEevaluated 76 times by 1 test
Evaluated by:
  • ecdsatest
0-76
289 ECerror(EC_R_POINT_IS_NOT_ON_CURVE);-
290 goto err;
never executed: goto err;
0
291 }-
292 /* testing whether pub_key * order is the point at infinity */-
293 order = &eckey->group->order;-
294 if (BN_is_zero(order)) {
((order)->top == 0)Description
TRUEnever evaluated
FALSEevaluated 76 times by 1 test
Evaluated by:
  • ecdsatest
0-76
295 ECerror(EC_R_INVALID_GROUP_ORDER);-
296 goto err;
never executed: goto err;
0
297 }-
298 if (!EC_POINT_mul(eckey->group, point, NULL, eckey->pub_key, order, ctx)) {
!EC_POINT_mul(...y, order, ctx)Description
TRUEnever evaluated
FALSEevaluated 76 times by 1 test
Evaluated by:
  • ecdsatest
0-76
299 ECerror(ERR_R_EC_LIB);-
300 goto err;
never executed: goto err;
0
301 }-
302 if (EC_POINT_is_at_infinity(eckey->group, point) <= 0) {
EC_POINT_is_at...p, point) <= 0Description
TRUEnever evaluated
FALSEevaluated 76 times by 1 test
Evaluated by:
  • ecdsatest
0-76
303 ECerror(EC_R_WRONG_ORDER);-
304 goto err;
never executed: goto err;
0
305 }-
306 /*-
307 * in case the priv_key is present : check if generator * priv_key ==-
308 * pub_key-
309 */-
310 if (eckey->priv_key) {
eckey->priv_keyDescription
TRUEevaluated 76 times by 1 test
Evaluated by:
  • ecdsatest
FALSEnever evaluated
0-76
311 if (BN_cmp(eckey->priv_key, order) >= 0) {
BN_cmp(eckey->...y, order) >= 0Description
TRUEnever evaluated
FALSEevaluated 76 times by 1 test
Evaluated by:
  • ecdsatest
0-76
312 ECerror(EC_R_WRONG_ORDER);-
313 goto err;
never executed: goto err;
0
314 }-
315 if (!EC_POINT_mul(eckey->group, point, eckey->priv_key,
!EC_POINT_mul(...id *)0) , ctx)Description
TRUEnever evaluated
FALSEevaluated 76 times by 1 test
Evaluated by:
  • ecdsatest
0-76
316 NULL, NULL, ctx)) {
!EC_POINT_mul(...id *)0) , ctx)Description
TRUEnever evaluated
FALSEevaluated 76 times by 1 test
Evaluated by:
  • ecdsatest
0-76
317 ECerror(ERR_R_EC_LIB);-
318 goto err;
never executed: goto err;
0
319 }-
320 if (EC_POINT_cmp(eckey->group, point, eckey->pub_key,
EC_POINT_cmp(e...key, ctx) != 0Description
TRUEnever evaluated
FALSEevaluated 76 times by 1 test
Evaluated by:
  • ecdsatest
0-76
321 ctx) != 0) {
EC_POINT_cmp(e...key, ctx) != 0Description
TRUEnever evaluated
FALSEevaluated 76 times by 1 test
Evaluated by:
  • ecdsatest
0-76
322 ECerror(EC_R_INVALID_PRIVATE_KEY);-
323 goto err;
never executed: goto err;
0
324 }-
325 }
executed 76 times by 1 test: end of block
Executed by:
  • ecdsatest
76
326 ok = 1;-
327 err:
code before this statement executed 76 times by 1 test: err:
Executed by:
  • ecdsatest
76
328 BN_CTX_free(ctx);-
329 EC_POINT_free(point);-
330 return (ok);
executed 76 times by 1 test: return (ok);
Executed by:
  • ecdsatest
76
331}-
332-
333int -
334EC_KEY_set_public_key_affine_coordinates(EC_KEY * key, BIGNUM * x, BIGNUM * y)-
335{-
336 BN_CTX *ctx = NULL;-
337 BIGNUM *tx, *ty;-
338 EC_POINT *point = NULL;-
339 int ok = 0, tmp_nid, is_char_two = 0;-
340-
341 if (!key || !key->group || !x || !y) {
!keyDescription
TRUEnever evaluated
FALSEnever evaluated
!key->groupDescription
TRUEnever evaluated
FALSEnever evaluated
!xDescription
TRUEnever evaluated
FALSEnever evaluated
!yDescription
TRUEnever evaluated
FALSEnever evaluated
0
342 ECerror(ERR_R_PASSED_NULL_PARAMETER);-
343 return 0;
never executed: return 0;
0
344 }-
345 ctx = BN_CTX_new();-
346 if (!ctx)
!ctxDescription
TRUEnever evaluated
FALSEnever evaluated
0
347 goto err;
never executed: goto err;
0
348-
349 point = EC_POINT_new(key->group);-
350-
351 if (!point)
!pointDescription
TRUEnever evaluated
FALSEnever evaluated
0
352 goto err;
never executed: goto err;
0
353-
354 tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(key->group));-
355-
356 if (tmp_nid == NID_X9_62_characteristic_two_field)
tmp_nid == 407Description
TRUEnever evaluated
FALSEnever evaluated
0
357 is_char_two = 1;
never executed: is_char_two = 1;
0
358-
359 if ((tx = BN_CTX_get(ctx)) == NULL)
(tx = BN_CTX_g...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
360 goto err;
never executed: goto err;
0
361 if ((ty = BN_CTX_get(ctx)) == NULL)
(ty = BN_CTX_g...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
362 goto err;
never executed: goto err;
0
363-
364#ifndef OPENSSL_NO_EC2M-
365 if (is_char_two) {
is_char_twoDescription
TRUEnever evaluated
FALSEnever evaluated
0
366 if (!EC_POINT_set_affine_coordinates_GF2m(key->group, point,
!EC_POINT_set_...nt, x, y, ctx)Description
TRUEnever evaluated
FALSEnever evaluated
0
367 x, y, ctx))
!EC_POINT_set_...nt, x, y, ctx)Description
TRUEnever evaluated
FALSEnever evaluated
0
368 goto err;
never executed: goto err;
0
369 if (!EC_POINT_get_affine_coordinates_GF2m(key->group, point,
!EC_POINT_get_..., tx, ty, ctx)Description
TRUEnever evaluated
FALSEnever evaluated
0
370 tx, ty, ctx))
!EC_POINT_get_..., tx, ty, ctx)Description
TRUEnever evaluated
FALSEnever evaluated
0
371 goto err;
never executed: goto err;
0
372 } else
never executed: end of block
0
373#endif-
374 {-
375 if (!EC_POINT_set_affine_coordinates_GFp(key->group, point,
!EC_POINT_set_...nt, x, y, ctx)Description
TRUEnever evaluated
FALSEnever evaluated
0
376 x, y, ctx))
!EC_POINT_set_...nt, x, y, ctx)Description
TRUEnever evaluated
FALSEnever evaluated
0
377 goto err;
never executed: goto err;
0
378 if (!EC_POINT_get_affine_coordinates_GFp(key->group, point,
!EC_POINT_get_..., tx, ty, ctx)Description
TRUEnever evaluated
FALSEnever evaluated
0
379 tx, ty, ctx))
!EC_POINT_get_..., tx, ty, ctx)Description
TRUEnever evaluated
FALSEnever evaluated
0
380 goto err;
never executed: goto err;
0
381 }
never executed: end of block
0
382 /*-
383 * Check if retrieved coordinates match originals: if not values are-
384 * out of range.-
385 */-
386 if (BN_cmp(x, tx) || BN_cmp(y, ty)) {
BN_cmp(x, tx)Description
TRUEnever evaluated
FALSEnever evaluated
BN_cmp(y, ty)Description
TRUEnever evaluated
FALSEnever evaluated
0
387 ECerror(EC_R_COORDINATES_OUT_OF_RANGE);-
388 goto err;
never executed: goto err;
0
389 }-
390 if (!EC_KEY_set_public_key(key, point))
!EC_KEY_set_pu...ey(key, point)Description
TRUEnever evaluated
FALSEnever evaluated
0
391 goto err;
never executed: goto err;
0
392-
393 if (EC_KEY_check_key(key) == 0)
EC_KEY_check_key(key) == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
394 goto err;
never executed: goto err;
0
395-
396 ok = 1;-
397-
398 err:
code before this statement never executed: err:
0
399 BN_CTX_free(ctx);-
400 EC_POINT_free(point);-
401 return ok;
never executed: return ok;
0
402-
403}-
404-
405const EC_GROUP *-
406EC_KEY_get0_group(const EC_KEY * key)-
407{-
408 return key->group;
executed 1072 times by 3 tests: return key->group;
Executed by:
  • ecdhtest
  • ecdsatest
  • ssltest
1072
409}-
410-
411int -
412EC_KEY_set_group(EC_KEY * key, const EC_GROUP * group)-
413{-
414 EC_GROUP_free(key->group);-
415 key->group = EC_GROUP_dup(group);-
416 return (key->group == NULL) ? 0 : 1;
executed 211 times by 2 tests: return (key->group == ((void *)0) ) ? 0 : 1;
Executed by:
  • ecdsatest
  • ssltest
(key->group == ((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 211 times by 2 tests
Evaluated by:
  • ecdsatest
  • ssltest
0-211
417}-
418-
419const BIGNUM *-
420EC_KEY_get0_private_key(const EC_KEY * key)-
421{-
422 return key->priv_key;
executed 181 times by 3 tests: return key->priv_key;
Executed by:
  • ecdhtest
  • ecdsatest
  • ssltest
181
423}-
424-
425int -
426EC_KEY_set_private_key(EC_KEY * key, const BIGNUM * priv_key)-
427{-
428 BN_clear_free(key->priv_key);-
429 key->priv_key = BN_dup(priv_key);-
430 return (key->priv_key == NULL) ? 0 : 1;
executed 6 times by 1 test: return (key->priv_key == ((void *)0) ) ? 0 : 1;
Executed by:
  • ecdhtest
(key->priv_key... ((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 6 times by 1 test
Evaluated by:
  • ecdhtest
0-6
431}-
432-
433const EC_POINT *-
434EC_KEY_get0_public_key(const EC_KEY * key)-
435{-
436 return key->pub_key;
executed 538 times by 3 tests: return key->pub_key;
Executed by:
  • ecdhtest
  • ecdsatest
  • ssltest
538
437}-
438-
439int -
440EC_KEY_set_public_key(EC_KEY * key, const EC_POINT * pub_key)-
441{-
442 EC_POINT_free(key->pub_key);-
443 key->pub_key = EC_POINT_dup(pub_key, key->group);-
444 return (key->pub_key == NULL) ? 0 : 1;
executed 29 times by 2 tests: return (key->pub_key == ((void *)0) ) ? 0 : 1;
Executed by:
  • ecdhtest
  • ssltest
(key->pub_key == ((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 29 times by 2 tests
Evaluated by:
  • ecdhtest
  • ssltest
0-29
445}-
446-
447unsigned int -
448EC_KEY_get_enc_flags(const EC_KEY * key)-
449{-
450 return key->enc_flag;
never executed: return key->enc_flag;
0
451}-
452-
453void -
454EC_KEY_set_enc_flags(EC_KEY * key, unsigned int flags)-
455{-
456 key->enc_flag = flags;-
457}
never executed: end of block
0
458-
459point_conversion_form_t -
460EC_KEY_get_conv_form(const EC_KEY * key)-
461{-
462 return key->conv_form;
never executed: return key->conv_form;
0
463}-
464-
465void -
466EC_KEY_set_conv_form(EC_KEY * key, point_conversion_form_t cform)-
467{-
468 key->conv_form = cform;-
469 if (key->group != NULL)
key->group != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
470 EC_GROUP_set_point_conversion_form(key->group, cform);
never executed: EC_GROUP_set_point_conversion_form(key->group, cform);
0
471}
never executed: end of block
0
472-
473void *-
474EC_KEY_get_key_method_data(EC_KEY *key,-
475 void *(*dup_func) (void *),-
476 void (*free_func) (void *),-
477 void (*clear_free_func) (void *))-
478{-
479 void *ret;-
480-
481 CRYPTO_r_lock(CRYPTO_LOCK_EC);-
482 ret = EC_EX_DATA_get_data(key->method_data, dup_func, free_func, clear_free_func);-
483 CRYPTO_r_unlock(CRYPTO_LOCK_EC);-
484-
485 return ret;
executed 690 times by 3 tests: return ret;
Executed by:
  • ecdhtest
  • ecdsatest
  • ssltest
690
486}-
487-
488void *-
489EC_KEY_insert_key_method_data(EC_KEY * key, void *data,-
490 void *(*dup_func) (void *),-
491 void (*free_func) (void *),-
492 void (*clear_free_func) (void *))-
493{-
494 EC_EXTRA_DATA *ex_data;-
495-
496 CRYPTO_w_lock(CRYPTO_LOCK_EC);-
497 ex_data = EC_EX_DATA_get_data(key->method_data, dup_func, free_func, clear_free_func);-
498 if (ex_data == NULL)
ex_data == ((void *)0)Description
TRUEevaluated 234 times by 3 tests
Evaluated by:
  • ecdhtest
  • ecdsatest
  • ssltest
FALSEnever evaluated
0-234
499 EC_EX_DATA_set_data(&key->method_data, data, dup_func, free_func, clear_free_func);
executed 234 times by 3 tests: EC_EX_DATA_set_data(&key->method_data, data, dup_func, free_func, clear_free_func);
Executed by:
  • ecdhtest
  • ecdsatest
  • ssltest
234
500 CRYPTO_w_unlock(CRYPTO_LOCK_EC);-
501-
502 return ex_data;
executed 234 times by 3 tests: return ex_data;
Executed by:
  • ecdhtest
  • ecdsatest
  • ssltest
234
503}-
504-
505void -
506EC_KEY_set_asn1_flag(EC_KEY * key, int flag)-
507{-
508 if (key->group != NULL)
key->group != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
509 EC_GROUP_set_asn1_flag(key->group, flag);
never executed: EC_GROUP_set_asn1_flag(key->group, flag);
0
510}
never executed: end of block
0
511-
512int -
513EC_KEY_precompute_mult(EC_KEY * key, BN_CTX * ctx)-
514{-
515 if (key->group == NULL)
key->group == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
516 return 0;
never executed: return 0;
0
517 return EC_GROUP_precompute_mult(key->group, ctx);
never executed: return EC_GROUP_precompute_mult(key->group, ctx);
0
518}-
519-
520int -
521EC_KEY_get_flags(const EC_KEY * key)-
522{-
523 return key->flags;
never executed: return key->flags;
0
524}-
525-
526void -
527EC_KEY_set_flags(EC_KEY * key, int flags)-
528{-
529 key->flags |= flags;-
530}
never executed: end of block
0
531-
532void -
533EC_KEY_clear_flags(EC_KEY * key, int flags)-
534{-
535 key->flags &= ~flags;-
536}
never executed: end of block
0
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