1 /* $OpenBSD: ssl_rsa.c,v 1.20 2015/02/06 01:37:11 reyk Exp $ */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
63 #include <openssl/bio.h>
64 #include <openssl/evp.h>
65 #include <openssl/objects.h>
66 #include <openssl/pem.h>
67 #include <openssl/x509.h>
69 static int ssl_set_cert(CERT *c, X509 *x509);
70 static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey);
71 static int ssl_ctx_use_certificate_chain_bio(SSL_CTX *, BIO *);
74 SSL_use_certificate(SSL *ssl, X509 *x)
77 SSLerr(SSL_F_SSL_USE_CERTIFICATE, ERR_R_PASSED_NULL_PARAMETER);
80 if (!ssl_cert_inst(&ssl->cert)) {
81 SSLerr(SSL_F_SSL_USE_CERTIFICATE, ERR_R_MALLOC_FAILURE);
84 return (ssl_set_cert(ssl->cert, x));
88 SSL_use_certificate_file(SSL *ssl, const char *file, int type)
95 in = BIO_new(BIO_s_file_internal());
97 SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, ERR_R_BUF_LIB);
101 if (BIO_read_filename(in, file) <= 0) {
102 SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, ERR_R_SYS_LIB);
105 if (type == SSL_FILETYPE_ASN1) {
107 x = d2i_X509_bio(in, NULL);
108 } else if (type == SSL_FILETYPE_PEM) {
110 x = PEM_read_bio_X509(in, NULL,
111 ssl->ctx->default_passwd_callback,
112 ssl->ctx->default_passwd_callback_userdata);
114 SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, SSL_R_BAD_SSL_FILETYPE);
119 SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, j);
123 ret = SSL_use_certificate(ssl, x);
131 SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len)
136 x = d2i_X509(NULL, &d,(long)len);
138 SSLerr(SSL_F_SSL_USE_CERTIFICATE_ASN1, ERR_R_ASN1_LIB);
142 ret = SSL_use_certificate(ssl, x);
148 SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa)
154 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
157 if (!ssl_cert_inst(&ssl->cert)) {
158 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY, ERR_R_MALLOC_FAILURE);
161 if ((pkey = EVP_PKEY_new()) == NULL) {
162 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY, ERR_R_EVP_LIB);
167 EVP_PKEY_assign_RSA(pkey, rsa);
169 ret = ssl_set_pkey(ssl->cert, pkey);
175 ssl_set_pkey(CERT *c, EVP_PKEY *pkey)
179 i = ssl_cert_type(NULL, pkey);
181 SSLerr(SSL_F_SSL_SET_PKEY, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
185 if (c->pkeys[i].x509 != NULL) {
187 pktmp = X509_get_pubkey(c->pkeys[i].x509);
188 EVP_PKEY_copy_parameters(pktmp, pkey);
189 EVP_PKEY_free(pktmp);
193 * Don't check the public/private key, this is mostly
196 if ((pkey->type == EVP_PKEY_RSA) &&
197 (RSA_flags(pkey->pkey.rsa) & RSA_METHOD_FLAG_NO_CHECK))
200 if (!X509_check_private_key(c->pkeys[i].x509, pkey)) {
201 X509_free(c->pkeys[i].x509);
202 c->pkeys[i].x509 = NULL;
207 EVP_PKEY_free(c->pkeys[i].privatekey);
208 CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
209 c->pkeys[i].privatekey = pkey;
210 c->key = &(c->pkeys[i]);
217 SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type)
223 in = BIO_new(BIO_s_file_internal());
225 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, ERR_R_BUF_LIB);
229 if (BIO_read_filename(in, file) <= 0) {
230 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, ERR_R_SYS_LIB);
233 if (type == SSL_FILETYPE_ASN1) {
235 rsa = d2i_RSAPrivateKey_bio(in, NULL);
236 } else if (type == SSL_FILETYPE_PEM) {
238 rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
239 ssl->ctx->default_passwd_callback,
240 ssl->ctx->default_passwd_callback_userdata);
242 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
246 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, j);
249 ret = SSL_use_RSAPrivateKey(ssl, rsa);
257 SSL_use_RSAPrivateKey_ASN1(SSL *ssl, unsigned char *d, long len)
260 const unsigned char *p;
264 if ((rsa = d2i_RSAPrivateKey(NULL, &p,(long)len)) == NULL) {
265 SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
269 ret = SSL_use_RSAPrivateKey(ssl, rsa);
275 SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey)
280 SSLerr(SSL_F_SSL_USE_PRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
283 if (!ssl_cert_inst(&ssl->cert)) {
284 SSLerr(SSL_F_SSL_USE_PRIVATEKEY, ERR_R_MALLOC_FAILURE);
287 ret = ssl_set_pkey(ssl->cert, pkey);
292 SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type)
296 EVP_PKEY *pkey = NULL;
298 in = BIO_new(BIO_s_file_internal());
300 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, ERR_R_BUF_LIB);
304 if (BIO_read_filename(in, file) <= 0) {
305 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, ERR_R_SYS_LIB);
308 if (type == SSL_FILETYPE_PEM) {
310 pkey = PEM_read_bio_PrivateKey(in, NULL,
311 ssl->ctx->default_passwd_callback,
312 ssl->ctx->default_passwd_callback_userdata);
313 } else if (type == SSL_FILETYPE_ASN1) {
315 pkey = d2i_PrivateKey_bio(in, NULL);
317 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
321 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, j);
324 ret = SSL_use_PrivateKey(ssl, pkey);
332 SSL_use_PrivateKey_ASN1(int type, SSL *ssl, const unsigned char *d, long len)
335 const unsigned char *p;
339 if ((pkey = d2i_PrivateKey(type, NULL, &p,(long)len)) == NULL) {
340 SSLerr(SSL_F_SSL_USE_PRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
344 ret = SSL_use_PrivateKey(ssl, pkey);
350 SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x)
353 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE, ERR_R_PASSED_NULL_PARAMETER);
356 if (!ssl_cert_inst(&ctx->cert)) {
357 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE, ERR_R_MALLOC_FAILURE);
360 return (ssl_set_cert(ctx->cert, x));
364 ssl_set_cert(CERT *c, X509 *x)
369 pkey = X509_get_pubkey(x);
371 SSLerr(SSL_F_SSL_SET_CERT, SSL_R_X509_LIB);
375 i = ssl_cert_type(x, pkey);
377 SSLerr(SSL_F_SSL_SET_CERT, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
382 if (c->pkeys[i].privatekey != NULL) {
383 EVP_PKEY_copy_parameters(pkey, c->pkeys[i].privatekey);
387 * Don't check the public/private key, this is mostly
390 if ((c->pkeys[i].privatekey->type == EVP_PKEY_RSA) &&
391 (RSA_flags(c->pkeys[i].privatekey->pkey.rsa) &
392 RSA_METHOD_FLAG_NO_CHECK))
395 if (!X509_check_private_key(x, c->pkeys[i].privatekey)) {
397 * don't fail for a cert/key mismatch, just free
398 * current private key (when switching to a different
399 * cert & key, first this function should be used,
402 EVP_PKEY_free(c->pkeys[i].privatekey);
403 c->pkeys[i].privatekey = NULL;
404 /* clear error queue */
411 X509_free(c->pkeys[i].x509);
412 CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
413 c->pkeys[i].x509 = x;
414 c->key = &(c->pkeys[i]);
421 SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type)
428 in = BIO_new(BIO_s_file_internal());
430 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_BUF_LIB);
434 if (BIO_read_filename(in, file) <= 0) {
435 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_SYS_LIB);
438 if (type == SSL_FILETYPE_ASN1) {
440 x = d2i_X509_bio(in, NULL);
441 } else if (type == SSL_FILETYPE_PEM) {
443 x = PEM_read_bio_X509(in, NULL, ctx->default_passwd_callback,
444 ctx->default_passwd_callback_userdata);
446 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, SSL_R_BAD_SSL_FILETYPE);
451 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, j);
455 ret = SSL_CTX_use_certificate(ctx, x);
463 SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, const unsigned char *d)
468 x = d2i_X509(NULL, &d,(long)len);
470 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1, ERR_R_ASN1_LIB);
474 ret = SSL_CTX_use_certificate(ctx, x);
480 SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa)
486 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
489 if (!ssl_cert_inst(&ctx->cert)) {
490 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_MALLOC_FAILURE);
493 if ((pkey = EVP_PKEY_new()) == NULL) {
494 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_EVP_LIB);
499 EVP_PKEY_assign_RSA(pkey, rsa);
501 ret = ssl_set_pkey(ctx->cert, pkey);
507 SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type)
513 in = BIO_new(BIO_s_file_internal());
515 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, ERR_R_BUF_LIB);
519 if (BIO_read_filename(in, file) <= 0) {
520 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, ERR_R_SYS_LIB);
523 if (type == SSL_FILETYPE_ASN1) {
525 rsa = d2i_RSAPrivateKey_bio(in, NULL);
526 } else if (type == SSL_FILETYPE_PEM) {
528 rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
529 ctx->default_passwd_callback,
530 ctx->default_passwd_callback_userdata);
532 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
536 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, j);
539 ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
547 SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d, long len)
550 const unsigned char *p;
554 if ((rsa = d2i_RSAPrivateKey(NULL, &p,(long)len)) == NULL) {
555 SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
559 ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
565 SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey)
568 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY,
569 ERR_R_PASSED_NULL_PARAMETER);
572 if (!ssl_cert_inst(&ctx->cert)) {
573 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY, ERR_R_MALLOC_FAILURE);
576 return (ssl_set_pkey(ctx->cert, pkey));
580 SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type)
584 EVP_PKEY *pkey = NULL;
586 in = BIO_new(BIO_s_file_internal());
588 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, ERR_R_BUF_LIB);
592 if (BIO_read_filename(in, file) <= 0) {
593 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, ERR_R_SYS_LIB);
596 if (type == SSL_FILETYPE_PEM) {
598 pkey = PEM_read_bio_PrivateKey(in, NULL,
599 ctx->default_passwd_callback,
600 ctx->default_passwd_callback_userdata);
601 } else if (type == SSL_FILETYPE_ASN1) {
603 pkey = d2i_PrivateKey_bio(in, NULL);
605 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE,
606 SSL_R_BAD_SSL_FILETYPE);
610 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, j);
613 ret = SSL_CTX_use_PrivateKey(ctx, pkey);
621 SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx, const unsigned char *d,
625 const unsigned char *p;
629 if ((pkey = d2i_PrivateKey(type, NULL, &p,(long)len)) == NULL) {
630 SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
634 ret = SSL_CTX_use_PrivateKey(ctx, pkey);
641 * Read a bio that contains our certificate in "PEM" format,
642 * possibly followed by a sequence of CA certificates that should be
643 * sent to the peer in the Certificate message.
646 ssl_ctx_use_certificate_chain_bio(SSL_CTX *ctx, BIO *in)
651 ERR_clear_error(); /* clear error stack for SSL_CTX_use_certificate() */
653 x = PEM_read_bio_X509_AUX(in, NULL, ctx->default_passwd_callback,
654 ctx->default_passwd_callback_userdata);
656 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_PEM_LIB);
660 ret = SSL_CTX_use_certificate(ctx, x);
662 if (ERR_peek_error() != 0)
664 /* Key/certificate mismatch doesn't imply ret==0 ... */
667 * If we could set up our certificate, now proceed to
668 * the CA certificates.
674 if (ctx->extra_certs != NULL) {
675 sk_X509_pop_free(ctx->extra_certs, X509_free);
676 ctx->extra_certs = NULL;
679 while ((ca = PEM_read_bio_X509(in, NULL,
680 ctx->default_passwd_callback,
681 ctx->default_passwd_callback_userdata)) != NULL) {
682 r = SSL_CTX_add_extra_chain_cert(ctx, ca);
689 * Note that we must not free r if it was successfully
690 * added to the chain (while we must free the main
691 * certificate, since its reference count is increased
692 * by SSL_CTX_use_certificate).
696 /* When the while loop ends, it's usually just EOF. */
697 err = ERR_peek_last_error();
698 if (ERR_GET_LIB(err) == ERR_LIB_PEM &&
699 ERR_GET_REASON(err) == PEM_R_NO_START_LINE)
702 ret = 0; /* some real error */
711 SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file)
716 in = BIO_new(BIO_s_file_internal());
718 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_BUF_LIB);
722 if (BIO_read_filename(in, file) <= 0) {
723 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_SYS_LIB);
727 ret = ssl_ctx_use_certificate_chain_bio(ctx, in);
735 SSL_CTX_use_certificate_chain_mem(SSL_CTX *ctx, void *buf, int len)
740 in = BIO_new_mem_buf(buf, len);
742 SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_BUF_LIB);
746 ret = ssl_ctx_use_certificate_chain_bio(ctx, in);