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Initial experimental support for X9.42 DH parameter format to handle
[thirdparty/openssl.git] / crypto / ecdsa / ecdsatest.c
CommitLineData
4d94ae00 1/* crypto/ecdsa/ecdsatest.c */
2b32b281
BM
2/*
3 * Written by Nils Larsch for the OpenSSL project.
4 */
4d94ae00 5/* ====================================================================
9dd84053 6 * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved.
4d94ae00
BM
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 */
e172d60d
BM
58/* ====================================================================
59 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
60 *
61 * Portions of the attached software ("Contribution") are developed by
62 * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
63 *
64 * The Contribution is licensed pursuant to the OpenSSL open source
65 * license provided above.
66 *
e172d60d
BM
67 * The elliptic curve binary polynomial software is originally written by
68 * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
69 *
70 */
71
4d94ae00
BM
72#include <stdio.h>
73#include <stdlib.h>
74#include <string.h>
4d94ae00 75
3b6aa36c
RL
76#include <openssl/opensslconf.h> /* To see if OPENSSL_NO_ECDSA is defined */
77
4d94ae00 78#ifdef OPENSSL_NO_ECDSA
2b32b281
BM
79int main(int argc, char * argv[])
80 {
81 puts("Elliptic curves are disabled.");
82 return 0;
83 }
4d94ae00
BM
84#else
85
690ecff7
BM
86#include <openssl/crypto.h>
87#include <openssl/bio.h>
88#include <openssl/evp.h>
3eeaab4b 89#include <openssl/bn.h>
690ecff7 90#include <openssl/ecdsa.h>
97b70891 91#ifndef OPENSSL_NO_ENGINE
690ecff7 92#include <openssl/engine.h>
97b70891 93#endif
690ecff7 94#include <openssl/err.h>
3a87a9b9 95#include <openssl/rand.h>
690ecff7 96
2b32b281
BM
97static const char rnd_seed[] = "string to make the random number generator "
98 "think it has entropy";
99
100/* declaration of the test functions */
101int x9_62_tests(BIO *);
102int x9_62_test_internal(BIO *out, int nid, const char *r, const char *s);
103int test_builtin(BIO *);
104
105/* functions to change the RAND_METHOD */
106int change_rand(void);
107int restore_rand(void);
6343829a 108int fbytes(unsigned char *buf, int num);
2b32b281
BM
109
110RAND_METHOD fake_rand;
111const RAND_METHOD *old_rand;
112
113int change_rand(void)
4d94ae00 114 {
2b32b281
BM
115 /* save old rand method */
116 if ((old_rand = RAND_get_rand_method()) == NULL)
117 return 0;
118
119 fake_rand.seed = old_rand->seed;
120 fake_rand.cleanup = old_rand->cleanup;
121 fake_rand.add = old_rand->add;
122 fake_rand.status = old_rand->status;
123 /* use own random function */
124 fake_rand.bytes = fbytes;
31182ad3 125 fake_rand.pseudorand = old_rand->bytes;
2b32b281
BM
126 /* set new RAND_METHOD */
127 if (!RAND_set_rand_method(&fake_rand))
128 return 0;
129 return 1;
4d94ae00 130 }
2b32b281
BM
131
132int restore_rand(void)
4d94ae00 133 {
2b32b281
BM
134 if (!RAND_set_rand_method(old_rand))
135 return 0;
136 else
137 return 1;
4d94ae00 138 }
4d94ae00 139
d80399a3 140static int fbytes_counter = 0, use_fake = 0;
2b32b281
BM
141static const char *numbers[8] = {
142 "651056770906015076056810763456358567190100156695615665659",
143 "6140507067065001063065065565667405560006161556565665656654",
144 "8763001015071075675010661307616710783570106710677817767166"
145 "71676178726717",
146 "7000000175690566466555057817571571075705015757757057795755"
147 "55657156756655",
148 "1275552191113212300012030439187146164646146646466749494799",
149 "1542725565216523985789236956265265265235675811949404040041",
150 "1456427555219115346513212300075341203043918714616464614664"
151 "64667494947990",
152 "1712787255652165239672857892369562652652652356758119494040"
153 "40041670216363"};
154
6343829a 155int fbytes(unsigned char *buf, int num)
2b32b281
BM
156 {
157 int ret;
158 BIGNUM *tmp = NULL;
4d94ae00 159
d80399a3
DSH
160 if (use_fake == 0)
161 return old_rand->bytes(buf, num);
162
163 use_fake = 0;
164
2b32b281 165 if (fbytes_counter >= 8)
4d94ae00 166 return 0;
2b32b281
BM
167 tmp = BN_new();
168 if (!tmp)
169 return 0;
170 if (!BN_dec2bn(&tmp, numbers[fbytes_counter]))
171 {
172 BN_free(tmp);
173 return 0;
174 }
175 fbytes_counter ++;
acd410dc 176 if (num != BN_num_bytes(tmp) || !BN_bn2bin(tmp, buf))
2b32b281 177 ret = 0;
acd410dc 178 else
2b32b281
BM
179 ret = 1;
180 if (tmp)
181 BN_free(tmp);
182 return ret;
4d94ae00 183 }
2b32b281
BM
184
185/* some tests from the X9.62 draft */
186int x9_62_test_internal(BIO *out, int nid, const char *r_in, const char *s_in)
4d94ae00 187 {
2b32b281
BM
188 int ret = 0;
189 const char message[] = "abc";
190 unsigned char digest[20];
191 unsigned int dgst_len = 0;
192 EVP_MD_CTX md_ctx;
193 EC_KEY *key = NULL;
194 ECDSA_SIG *signature = NULL;
195 BIGNUM *r = NULL, *s = NULL;
196
197 EVP_MD_CTX_init(&md_ctx);
198 /* get the message digest */
ae551760
BL
199 if (!EVP_DigestInit(&md_ctx, EVP_ecdsa())
200 || !EVP_DigestUpdate(&md_ctx, (const void*)message, 3)
201 || !EVP_DigestFinal(&md_ctx, digest, &dgst_len))
202 goto x962_int_err;
2b32b281
BM
203
204 BIO_printf(out, "testing %s: ", OBJ_nid2sn(nid));
205 /* create the key */
9dd84053 206 if ((key = EC_KEY_new_by_curve_name(nid)) == NULL)
2b32b281 207 goto x962_int_err;
d80399a3 208 use_fake = 1;
2b32b281
BM
209 if (!EC_KEY_generate_key(key))
210 goto x962_int_err;
211 BIO_printf(out, ".");
710069c1 212 (void)BIO_flush(out);
2b32b281 213 /* create the signature */
d80399a3 214 use_fake = 1;
2b32b281
BM
215 signature = ECDSA_do_sign(digest, 20, key);
216 if (signature == NULL)
217 goto x962_int_err;
218 BIO_printf(out, ".");
710069c1 219 (void)BIO_flush(out);
2b32b281
BM
220 /* compare the created signature with the expected signature */
221 if ((r = BN_new()) == NULL || (s = BN_new()) == NULL)
222 goto x962_int_err;
223 if (!BN_dec2bn(&r, r_in) ||
224 !BN_dec2bn(&s, s_in))
225 goto x962_int_err;
226 if (BN_cmp(signature->r ,r) || BN_cmp(signature->s, s))
227 goto x962_int_err;
228 BIO_printf(out, ".");
710069c1 229 (void)BIO_flush(out);
2b32b281
BM
230 /* verify the signature */
231 if (ECDSA_do_verify(digest, 20, signature, key) != 1)
232 goto x962_int_err;
233 BIO_printf(out, ".");
710069c1 234 (void)BIO_flush(out);
2b32b281
BM
235
236 BIO_printf(out, " ok\n");
237 ret = 1;
238x962_int_err:
239 if (!ret)
240 BIO_printf(out, " failed\n");
241 if (key)
242 EC_KEY_free(key);
243 if (signature)
244 ECDSA_SIG_free(signature);
245 if (r)
246 BN_free(r);
247 if (s)
248 BN_free(s);
249 EVP_MD_CTX_cleanup(&md_ctx);
250 return ret;
4d94ae00
BM
251 }
252
2b32b281 253int x9_62_tests(BIO *out)
4d94ae00 254 {
2b32b281
BM
255 int ret = 0;
256
257 BIO_printf(out, "some tests from X9.62:\n");
258
259 /* set own rand method */
260 if (!change_rand())
261 goto x962_err;
262
263 if (!x9_62_test_internal(out, NID_X9_62_prime192v1,
264 "3342403536405981729393488334694600415596881826869351677613",
265 "5735822328888155254683894997897571951568553642892029982342"))
266 goto x962_err;
267 if (!x9_62_test_internal(out, NID_X9_62_prime239v1,
268 "3086361431751678114926225473006680188549593787585317781474"
269 "62058306432176",
270 "3238135532097973577080787768312505059318910517550078427819"
271 "78505179448783"))
272 goto x962_err;
b3310161 273#ifndef OPENSSL_NO_EC2M
2b32b281
BM
274 if (!x9_62_test_internal(out, NID_X9_62_c2tnb191v1,
275 "87194383164871543355722284926904419997237591535066528048",
276 "308992691965804947361541664549085895292153777025772063598"))
277 goto x962_err;
278 if (!x9_62_test_internal(out, NID_X9_62_c2tnb239v1,
279 "2159633321041961198501834003903461262881815148684178964245"
280 "5876922391552",
281 "1970303740007316867383349976549972270528498040721988191026"
282 "49413465737174"))
283 goto x962_err;
b3310161 284#endif
2b32b281
BM
285 ret = 1;
286x962_err:
287 if (!restore_rand())
288 ret = 0;
4d94ae00 289 return ret;
2b32b281
BM
290 }
291
292int test_builtin(BIO *out)
293 {
294 EC_builtin_curve *curves = NULL;
295 size_t crv_len = 0, n = 0;
296 EC_KEY *eckey = NULL, *wrong_eckey = NULL;
9dd84053 297 EC_GROUP *group;
ea8c77a5 298 ECDSA_SIG *ecdsa_sig = NULL;
2b32b281 299 unsigned char digest[20], wrong_digest[20];
ea8c77a5
BM
300 unsigned char *signature = NULL;
301 unsigned char *sig_ptr;
afb14cda 302 const unsigned char *csig_ptr;
ea8c77a5
BM
303 unsigned char *raw_buf = NULL;
304 unsigned int sig_len, degree, r_len, s_len, bn_len, buf_len;
2b32b281
BM
305 int nid, ret = 0;
306
307 /* fill digest values with some random data */
308 if (!RAND_pseudo_bytes(digest, 20) ||
309 !RAND_pseudo_bytes(wrong_digest, 20))
310 {
311 BIO_printf(out, "ERROR: unable to get random data\n");
312 goto builtin_err;
313 }
4d94ae00 314
2b32b281
BM
315 /* create and verify a ecdsa signature with every availble curve
316 * (with ) */
317 BIO_printf(out, "\ntesting ECDSA_sign() and ECDSA_verify() "
318 "with some internal curves:\n");
4d94ae00 319
2b32b281
BM
320 /* get a list of all internal curves */
321 crv_len = EC_get_builtin_curves(NULL, 0);
322
323 curves = OPENSSL_malloc(sizeof(EC_builtin_curve) * crv_len);
324
325 if (curves == NULL)
326 {
327 BIO_printf(out, "malloc error\n");
328 goto builtin_err;
329 }
4d94ae00 330
2b32b281
BM
331 if (!EC_get_builtin_curves(curves, crv_len))
332 {
333 BIO_printf(out, "unable to get internal curves\n");
334 goto builtin_err;
335 }
4d94ae00 336
2b32b281
BM
337 /* now create and verify a signature for every curve */
338 for (n = 0; n < crv_len; n++)
339 {
ac9c6e10
UM
340 unsigned char dirt, offset;
341
2b32b281 342 nid = curves[n].nid;
a9f2330f
UM
343 if (nid == NID_ipsec4)
344 continue;
2b32b281
BM
345 /* create new ecdsa key (== EC_KEY) */
346 if ((eckey = EC_KEY_new()) == NULL)
347 goto builtin_err;
9dd84053
NL
348 group = EC_GROUP_new_by_curve_name(nid);
349 if (group == NULL)
350 goto builtin_err;
351 if (EC_KEY_set_group(eckey, group) == 0)
2b32b281 352 goto builtin_err;
9dd84053 353 EC_GROUP_free(group);
ea8c77a5
BM
354 degree = EC_GROUP_get_degree(EC_KEY_get0_group(eckey));
355 if (degree < 160)
2b32b281
BM
356 /* drop the curve */
357 {
358 EC_KEY_free(eckey);
359 eckey = NULL;
360 continue;
361 }
362 BIO_printf(out, "%s: ", OBJ_nid2sn(nid));
363 /* create key */
364 if (!EC_KEY_generate_key(eckey))
365 {
366 BIO_printf(out, " failed\n");
367 goto builtin_err;
368 }
369 /* create second key */
370 if ((wrong_eckey = EC_KEY_new()) == NULL)
371 goto builtin_err;
9dd84053
NL
372 group = EC_GROUP_new_by_curve_name(nid);
373 if (group == NULL)
374 goto builtin_err;
375 if (EC_KEY_set_group(wrong_eckey, group) == 0)
2b32b281 376 goto builtin_err;
9dd84053 377 EC_GROUP_free(group);
2b32b281
BM
378 if (!EC_KEY_generate_key(wrong_eckey))
379 {
380 BIO_printf(out, " failed\n");
381 goto builtin_err;
382 }
383
384 BIO_printf(out, ".");
710069c1 385 (void)BIO_flush(out);
2b32b281
BM
386 /* check key */
387 if (!EC_KEY_check_key(eckey))
388 {
389 BIO_printf(out, " failed\n");
390 goto builtin_err;
391 }
392 BIO_printf(out, ".");
710069c1 393 (void)BIO_flush(out);
2b32b281
BM
394 /* create signature */
395 sig_len = ECDSA_size(eckey);
396 if ((signature = OPENSSL_malloc(sig_len)) == NULL)
397 goto builtin_err;
398 if (!ECDSA_sign(0, digest, 20, signature, &sig_len, eckey))
399 {
400 BIO_printf(out, " failed\n");
401 goto builtin_err;
402 }
403 BIO_printf(out, ".");
710069c1 404 (void)BIO_flush(out);
2b32b281
BM
405 /* verify signature */
406 if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) != 1)
407 {
408 BIO_printf(out, " failed\n");
409 goto builtin_err;
410 }
411 BIO_printf(out, ".");
710069c1 412 (void)BIO_flush(out);
2b32b281
BM
413 /* verify signature with the wrong key */
414 if (ECDSA_verify(0, digest, 20, signature, sig_len,
415 wrong_eckey) == 1)
416 {
417 BIO_printf(out, " failed\n");
418 goto builtin_err;
419 }
420 BIO_printf(out, ".");
710069c1 421 (void)BIO_flush(out);
2b32b281
BM
422 /* wrong digest */
423 if (ECDSA_verify(0, wrong_digest, 20, signature, sig_len,
424 eckey) == 1)
425 {
426 BIO_printf(out, " failed\n");
427 goto builtin_err;
428 }
429 BIO_printf(out, ".");
710069c1 430 (void)BIO_flush(out);
ea8c77a5
BM
431 /* wrong length */
432 if (ECDSA_verify(0, digest, 20, signature, sig_len - 1,
433 eckey) == 1)
434 {
435 BIO_printf(out, " failed\n");
436 goto builtin_err;
437 }
438 BIO_printf(out, ".");
439 (void)BIO_flush(out);
440
441 /* Modify a single byte of the signature: to ensure we don't
442 * garble the ASN1 structure, we read the raw signature and
443 * modify a byte in one of the bignums directly. */
afb14cda
DSH
444 csig_ptr = signature;
445 if ((ecdsa_sig = d2i_ECDSA_SIG(NULL, &csig_ptr, sig_len)) == NULL)
ea8c77a5
BM
446 {
447 BIO_printf(out, " failed\n");
448 goto builtin_err;
449 }
450
451 /* Store the two BIGNUMs in raw_buf. */
452 r_len = BN_num_bytes(ecdsa_sig->r);
453 s_len = BN_num_bytes(ecdsa_sig->s);
454 bn_len = (degree + 7) / 8;
455 if ((r_len > bn_len) || (s_len > bn_len))
456 {
457 BIO_printf(out, " failed\n");
458 goto builtin_err;
459 }
460 buf_len = 2 * bn_len;
461 if ((raw_buf = OPENSSL_malloc(buf_len)) == NULL)
462 goto builtin_err;
463 /* Pad the bignums with leading zeroes. */
464 memset(raw_buf, 0, buf_len);
465 BN_bn2bin(ecdsa_sig->r, raw_buf + bn_len - r_len);
466 BN_bn2bin(ecdsa_sig->s, raw_buf + buf_len - s_len);
467
468 /* Modify a single byte in the buffer. */
469 offset = raw_buf[10] % buf_len;
470 dirt = raw_buf[11] ? raw_buf[11] : 1;
471 raw_buf[offset] ^= dirt;
472 /* Now read the BIGNUMs back in from raw_buf. */
473 if ((BN_bin2bn(raw_buf, bn_len, ecdsa_sig->r) == NULL) ||
474 (BN_bin2bn(raw_buf + bn_len, bn_len, ecdsa_sig->s) == NULL))
475 goto builtin_err;
476
477 sig_ptr = signature;
478 sig_len = i2d_ECDSA_SIG(ecdsa_sig, &sig_ptr);
2b32b281
BM
479 if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) == 1)
480 {
481 BIO_printf(out, " failed\n");
482 goto builtin_err;
483 }
ea8c77a5
BM
484 /* Sanity check: undo the modification and verify signature. */
485 raw_buf[offset] ^= dirt;
486 if ((BN_bin2bn(raw_buf, bn_len, ecdsa_sig->r) == NULL) ||
487 (BN_bin2bn(raw_buf + bn_len, bn_len, ecdsa_sig->s) == NULL))
488 goto builtin_err;
489
490 sig_ptr = signature;
491 sig_len = i2d_ECDSA_SIG(ecdsa_sig, &sig_ptr);
492 if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) != 1)
493 {
494 BIO_printf(out, " failed\n");
495 goto builtin_err;
496 }
2b32b281 497 BIO_printf(out, ".");
710069c1 498 (void)BIO_flush(out);
2b32b281
BM
499
500 BIO_printf(out, " ok\n");
501 /* cleanup */
ea8c77a5
BM
502 /* clean bogus errors */
503 ERR_clear_error();
2b32b281
BM
504 OPENSSL_free(signature);
505 signature = NULL;
506 EC_KEY_free(eckey);
507 eckey = NULL;
508 EC_KEY_free(wrong_eckey);
509 wrong_eckey = NULL;
ea8c77a5
BM
510 ECDSA_SIG_free(ecdsa_sig);
511 ecdsa_sig = NULL;
512 OPENSSL_free(raw_buf);
513 raw_buf = NULL;
2b32b281
BM
514 }
515
516 ret = 1;
517builtin_err:
518 if (eckey)
519 EC_KEY_free(eckey);
520 if (wrong_eckey)
521 EC_KEY_free(wrong_eckey);
ea8c77a5
BM
522 if (ecdsa_sig)
523 ECDSA_SIG_free(ecdsa_sig);
f42e6d24 524 if (signature)
2b32b281 525 OPENSSL_free(signature);
ea8c77a5
BM
526 if (raw_buf)
527 OPENSSL_free(raw_buf);
2b32b281
BM
528 if (curves)
529 OPENSSL_free(curves);
4d94ae00 530
4d94ae00 531 return ret;
2b32b281 532 }
4d94ae00
BM
533
534int main(void)
2b32b281 535 {
b3b67209 536 int ret = 1;
2b32b281
BM
537 BIO *out;
538
539 out = BIO_new_fp(stdout, BIO_NOCLOSE);
4d94ae00 540
8f06b003 541 /* enable memory leak checking unless explicitly disabled */
2b32b281
BM
542 if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) &&
543 (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
8f06b003
BM
544 {
545 CRYPTO_malloc_debug_init();
546 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
547 }
548 else
549 {
550 /* OPENSSL_DEBUG_MEMORY=off */
551 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
552 }
553 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
4d94ae00 554
8f06b003 555 ERR_load_crypto_strings();
4d94ae00 556
2b32b281 557 /* initialize the prng */
8f06b003 558 RAND_seed(rnd_seed, sizeof(rnd_seed));
4d94ae00 559
2b32b281
BM
560 /* the tests */
561 if (!x9_62_tests(out)) goto err;
562 if (!test_builtin(out)) goto err;
4d94ae00 563
b3b67209 564 ret = 0;
2b32b281 565err:
b3b67209 566 if (ret)
2b32b281 567 BIO_printf(out, "\nECDSA test failed\n");
4d94ae00 568 else
2b32b281 569 BIO_printf(out, "\nECDSA test passed\n");
0210065b 570 if (ret)
2b32b281 571 ERR_print_errors(out);
4d94ae00 572 CRYPTO_cleanup_all_ex_data();
4c329696 573 ERR_remove_thread_state(NULL);
4d94ae00 574 ERR_free_strings();
2b32b281
BM
575 CRYPTO_mem_leaks(out);
576 if (out != NULL)
577 BIO_free(out);
b3b67209 578 return ret;
2b32b281 579 }
4d94ae00 580#endif