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.]
67 /* SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,ERR_R_MALLOC_FAILURE);
68 * SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,ERR_R_MALLOC_FAILURE);
69 * SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,ERR_R_MALLOC_FAILURE);
70 * SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE);
71 * SSLerr(SSL_F_SSL3_GET_CERTIFICATE_REQUEST,ERR_R_MALLOC_FAILURE);
72 * SSLerr(SSL_F_SSL3_GET_SERVER_DONE,ERR_R_MALLOC_FAILURE);
73 SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_SSL3_SESSION_ID_TOO_SHORT);
77 static int ssl3_client_hello(SSL
*s
);
78 static int ssl3_get_server_hello(SSL
*s
);
79 static int ssl3_get_certificate_request(SSL
*s
);
80 static int ca_dn_cmp(X509_NAME
**a
,X509_NAME
**b
);
81 static int ssl3_get_server_done(SSL
*s
);
82 static int ssl3_send_client_verify(SSL
*s
);
83 static int ssl3_send_client_certificate(SSL
*s
);
84 static int ssl3_send_client_key_exchange(SSL
*s
);
85 static int ssl3_get_key_exchange(SSL
*s
);
86 static int ssl3_get_server_certificate(SSL
*s
);
87 static int ssl3_check_cert_and_algorithm(SSL
*s
);
89 static int ssl3_client_hello();
90 static int ssl3_get_server_hello();
91 static int ssl3_get_certificate_request();
92 static int ca_dn_cmp();
93 static int ssl3_get_server_done();
94 static int ssl3_send_client_verify();
95 static int ssl3_send_client_certificate();
96 static int ssl3_send_client_key_exchange();
97 static int ssl3_get_key_exchange();
98 static int ssl3_get_server_certificate();
99 static int ssl3_check_cert_and_algorithm();
102 static SSL_METHOD
*ssl3_get_client_method(ver
)
105 if (ver
== SSL3_VERSION
)
106 return(SSLv3_client_method());
111 SSL_METHOD
*SSLv3_client_method()
114 static SSL_METHOD SSLv3_client_data
;
119 memcpy((char *)&SSLv3_client_data
,(char *)sslv3_base_method(),
121 SSLv3_client_data
.ssl_connect
=ssl3_connect
;
122 SSLv3_client_data
.get_ssl_method
=ssl3_get_client_method
;
124 return(&SSLv3_client_data
);
131 unsigned long Time
=time(NULL
),l
;
136 int new_state
,state
,skip
=0;;
138 RAND_seed((unsigned char *)&Time
,sizeof(Time
));
142 if (s
->info_callback
!= NULL
)
144 else if (s
->ctx
->info_callback
!= NULL
)
145 cb
=s
->ctx
->info_callback
;
147 if (!SSL_in_init(s
) || SSL_in_before(s
)) SSL_clear(s
);
156 case SSL_ST_RENEGOTIATE
:
158 s
->state
=SSL_ST_CONNECT
;
159 s
->ctx
->sess_connect_renegotiate
++;
163 case SSL_ST_BEFORE
|SSL_ST_CONNECT
:
164 case SSL_ST_OK
|SSL_ST_CONNECT
:
166 if (cb
!= NULL
) cb(s
,SSL_CB_HANDSHAKE_START
,1);
168 if ((s
->version
& 0xff00 ) != 0x0300)
170 /* s->version=SSL3_VERSION; */
171 s
->type
=SSL_ST_CONNECT
;
173 if (s
->init_buf
== NULL
)
175 if ((buf
=BUF_MEM_new()) == NULL
)
180 if (!BUF_MEM_grow(buf
,SSL3_RT_MAX_PLAIN_LENGTH
))
188 if (!ssl3_setup_buffers(s
)) { ret
= -1; goto end
; }
190 /* setup buffing BIO */
191 if (!ssl_init_wbio_buffer(s
,0)) { ret
= -1; goto end
; }
193 /* don't push the buffering BIO quite yet */
195 ssl3_init_finished_mac(s
);
197 s
->state
=SSL3_ST_CW_CLNT_HELLO_A
;
198 s
->ctx
->sess_connect
++;
202 case SSL3_ST_CW_CLNT_HELLO_A
:
203 case SSL3_ST_CW_CLNT_HELLO_B
:
206 ret
=ssl3_client_hello(s
);
207 if (ret
<= 0) goto end
;
208 s
->state
=SSL3_ST_CR_SRVR_HELLO_A
;
211 /* turn on buffering for the next lot of output */
212 if (s
->bbio
!= s
->wbio
)
213 s
->wbio
=BIO_push(s
->bbio
,s
->wbio
);
217 case SSL3_ST_CR_SRVR_HELLO_A
:
218 case SSL3_ST_CR_SRVR_HELLO_B
:
219 ret
=ssl3_get_server_hello(s
);
220 if (ret
<= 0) goto end
;
222 s
->state
=SSL3_ST_CR_FINISHED_A
;
224 s
->state
=SSL3_ST_CR_CERT_A
;
228 case SSL3_ST_CR_CERT_A
:
229 case SSL3_ST_CR_CERT_B
:
230 /* Check if it is anon DH */
231 if (!(s
->s3
->tmp
.new_cipher
->algorithms
& SSL_aNULL
))
233 ret
=ssl3_get_server_certificate(s
);
234 if (ret
<= 0) goto end
;
238 s
->state
=SSL3_ST_CR_KEY_EXCH_A
;
242 case SSL3_ST_CR_KEY_EXCH_A
:
243 case SSL3_ST_CR_KEY_EXCH_B
:
244 ret
=ssl3_get_key_exchange(s
);
245 if (ret
<= 0) goto end
;
246 s
->state
=SSL3_ST_CR_CERT_REQ_A
;
249 /* at this point we check that we have the
250 * required stuff from the server */
251 if (!ssl3_check_cert_and_algorithm(s
))
258 case SSL3_ST_CR_CERT_REQ_A
:
259 case SSL3_ST_CR_CERT_REQ_B
:
260 ret
=ssl3_get_certificate_request(s
);
261 if (ret
<= 0) goto end
;
262 s
->state
=SSL3_ST_CR_SRVR_DONE_A
;
266 case SSL3_ST_CR_SRVR_DONE_A
:
267 case SSL3_ST_CR_SRVR_DONE_B
:
268 ret
=ssl3_get_server_done(s
);
269 if (ret
<= 0) goto end
;
270 if (s
->s3
->tmp
.cert_req
)
271 s
->state
=SSL3_ST_CW_CERT_A
;
273 s
->state
=SSL3_ST_CW_KEY_EXCH_A
;
278 case SSL3_ST_CW_CERT_A
:
279 case SSL3_ST_CW_CERT_B
:
280 case SSL3_ST_CW_CERT_C
:
281 ret
=ssl3_send_client_certificate(s
);
282 if (ret
<= 0) goto end
;
283 s
->state
=SSL3_ST_CW_KEY_EXCH_A
;
287 case SSL3_ST_CW_KEY_EXCH_A
:
288 case SSL3_ST_CW_KEY_EXCH_B
:
289 ret
=ssl3_send_client_key_exchange(s
);
290 if (ret
<= 0) goto end
;
291 l
=s
->s3
->tmp
.new_cipher
->algorithms
;
292 /* EAY EAY EAY need to check for DH fix cert
294 /* For TLS, cert_req is set to 2, so a cert chain
295 * of nothing is sent, but no verify packet is sent */
296 if (s
->s3
->tmp
.cert_req
== 1)
298 s
->state
=SSL3_ST_CW_CERT_VRFY_A
;
302 s
->state
=SSL3_ST_CW_CHANGE_A
;
303 s
->s3
->change_cipher_spec
=0;
309 case SSL3_ST_CW_CERT_VRFY_A
:
310 case SSL3_ST_CW_CERT_VRFY_B
:
311 ret
=ssl3_send_client_verify(s
);
312 if (ret
<= 0) goto end
;
313 s
->state
=SSL3_ST_CW_CHANGE_A
;
315 s
->s3
->change_cipher_spec
=0;
318 case SSL3_ST_CW_CHANGE_A
:
319 case SSL3_ST_CW_CHANGE_B
:
320 ret
=ssl3_send_change_cipher_spec(s
,
321 SSL3_ST_CW_CHANGE_A
,SSL3_ST_CW_CHANGE_B
);
322 if (ret
<= 0) goto end
;
323 s
->state
=SSL3_ST_CW_FINISHED_A
;
326 s
->session
->cipher
=s
->s3
->tmp
.new_cipher
;
327 if (!s
->method
->ssl3_enc
->setup_key_block(s
))
333 if (!s
->method
->ssl3_enc
->change_cipher_state(s
,
334 SSL3_CHANGE_CIPHER_CLIENT_WRITE
))
342 case SSL3_ST_CW_FINISHED_A
:
343 case SSL3_ST_CW_FINISHED_B
:
344 ret
=ssl3_send_finished(s
,
345 SSL3_ST_CW_FINISHED_A
,SSL3_ST_CW_FINISHED_B
,
346 s
->method
->ssl3_enc
->client_finished
,
347 s
->method
->ssl3_enc
->client_finished_len
);
348 if (ret
<= 0) goto end
;
349 s
->state
=SSL3_ST_CW_FLUSH
;
352 s
->s3
->flags
&= ~SSL3_FLAGS_POP_BUFFER
;
355 s
->s3
->tmp
.next_state
=SSL_ST_OK
;
356 if (s
->s3
->flags
& SSL3_FLAGS_DELAY_CLIENT_FINISHED
)
359 s
->s3
->flags
|=SSL3_FLAGS_POP_BUFFER
;
360 s
->s3
->delay_buf_pop_ret
=0;
365 s
->s3
->tmp
.next_state
=SSL3_ST_CR_FINISHED_A
;
370 case SSL3_ST_CR_FINISHED_A
:
371 case SSL3_ST_CR_FINISHED_B
:
373 ret
=ssl3_get_finished(s
,SSL3_ST_CR_FINISHED_A
,
374 SSL3_ST_CR_FINISHED_B
);
375 if (ret
<= 0) goto end
;
378 s
->state
=SSL3_ST_CW_CHANGE_A
;
384 case SSL3_ST_CW_FLUSH
:
385 /* number of bytes to be flushed */
386 num1
=BIO_ctrl(s
->wbio
,BIO_CTRL_INFO
,0,NULL
);
389 s
->rwstate
=SSL_WRITING
;
390 num1
=BIO_flush(s
->wbio
);
391 if (num1
<= 0) { ret
= -1; goto end
; }
392 s
->rwstate
=SSL_NOTHING
;
395 s
->state
=s
->s3
->tmp
.next_state
;
399 /* clean a few things up */
400 ssl3_cleanup_key_block(s
);
402 BUF_MEM_free(s
->init_buf
);
405 if (!(s
->s3
->flags
& SSL3_FLAGS_POP_BUFFER
))
407 /* remove buffering */
408 under
=BIO_pop(s
->wbio
);
417 /* else do it later */
422 ssl_update_cache(s
,SSL_SESS_CACHE_CLIENT
);
423 if (s
->hit
) s
->ctx
->sess_hit
++;
427 s
->handshake_func
=ssl3_connect
;
428 s
->ctx
->sess_connect_good
++;
430 if (cb
!= NULL
) cb(s
,SSL_CB_HANDSHAKE_DONE
,1);
436 SSLerr(SSL_F_SSL3_CONNECT
,SSL_R_UNKNOWN_STATE
);
442 /* did we do anything */
443 if (!s
->s3
->tmp
.reuse_message
&& !skip
)
447 if ((ret
=BIO_flush(s
->wbio
)) <= 0)
451 if ((cb
!= NULL
) && (s
->state
!= state
))
455 cb(s
,SSL_CB_CONNECT_LOOP
,1);
463 cb(s
,SSL_CB_CONNECT_EXIT
,ret
);
469 static int ssl3_client_hello(s
)
475 unsigned long Time
,l
;
477 buf
=(unsigned char *)s
->init_buf
->data
;
478 if (s
->state
== SSL3_ST_CW_CLNT_HELLO_A
)
480 if ((s
->session
== NULL
) ||
481 (s
->session
->ssl_version
!= s
->version
))
483 if (!ssl_get_new_session(s
,0))
486 /* else use the pre-loaded session */
488 p
=s
->s3
->client_random
;
489 Time
=time(NULL
); /* Time */
491 RAND_bytes(&(p
[4]),SSL3_RANDOM_SIZE
-sizeof(Time
));
493 /* Do the message type and length last */
496 *(p
++)=s
->version
>>8;
497 *(p
++)=s
->version
&0xff;
500 memcpy(p
,s
->s3
->client_random
,SSL3_RANDOM_SIZE
);
507 i
=s
->session
->session_id_length
;
511 memcpy(p
,s
->session
->session_id
,i
);
515 /* Ciphers supported */
516 i
=ssl_cipher_list_to_bytes(s
,SSL_get_ciphers(s
),&(p
[2]));
519 SSLerr(SSL_F_SSL3_CLIENT_HELLO
,SSL_R_NO_CIPHERS_AVAILABLE
);
525 /* hardwire in the NULL compression algorithm. */
531 *(d
++)=SSL3_MT_CLIENT_HELLO
;
534 s
->state
=SSL3_ST_CW_CLNT_HELLO_B
;
535 /* number of bytes to write */
540 /* SSL3_ST_CW_CLNT_HELLO_B */
541 return(ssl3_do_write(s
,SSL3_RT_HANDSHAKE
));
546 static int ssl3_get_server_hello(s
)
556 n
=ssl3_get_message(s
,
557 SSL3_ST_CR_SRVR_HELLO_A
,
558 SSL3_ST_CR_SRVR_HELLO_B
,
559 SSL3_MT_SERVER_HELLO
,
563 if (!ok
) return((int)n
);
564 d
=p
=(unsigned char *)s
->init_buf
->data
;
566 if ((p
[0] != (s
->version
>>8)) || (p
[1] != (s
->version
&0xff)))
568 SSLerr(SSL_F_SSL3_GET_SERVER_HELLO
,SSL_R_WRONG_SSL_VERSION
);
569 s
->version
=(s
->version
&0xff00)|p
[1];
570 al
=SSL_AD_PROTOCOL_VERSION
;
575 /* load the server hello data */
576 /* load the server random */
577 memcpy(s
->s3
->server_random
,p
,SSL3_RANDOM_SIZE
);
580 /* get the session-id */
583 if ((j
!= 0) && (j
!= SSL3_SESSION_ID_SIZE
))
585 /* SSLref returns 16 :-( */
586 if (j
< SSL2_SSL_SESSION_ID_LENGTH
)
588 al
=SSL_AD_ILLEGAL_PARAMETER
;
589 SSLerr(SSL_F_SSL3_GET_SERVER_HELLO
,SSL_R_SSL3_SESSION_ID_TOO_SHORT
);
593 if ((j
!= 0) && (j
== s
->session
->session_id_length
) &&
594 (memcmp(p
,s
->session
->session_id
,j
) == 0))
596 else /* a miss or crap from the other end */
598 /* If we were trying for session-id reuse, make a new
599 * SSL_SESSION so we don't stuff up other people */
601 if (s
->session
->session_id_length
> 0)
603 if (!ssl_get_new_session(s
,0))
605 al
=SSL_AD_INTERNAL_ERROR
;
609 s
->session
->session_id_length
=j
;
610 memcpy(s
->session
->session_id
,p
,j
); /* j could be 0 */
613 c
=ssl_get_cipher_by_char(s
,p
);
617 al
=SSL_AD_ILLEGAL_PARAMETER
;
618 SSLerr(SSL_F_SSL3_GET_SERVER_HELLO
,SSL_R_UNKNOWN_CIPHER_RETURNED
);
621 p
+=ssl_put_cipher_by_char(s
,NULL
,NULL
);
623 sk
=ssl_get_ciphers_by_id(s
);
624 i
=sk_find(sk
,(char *)c
);
627 /* we did not say we would use this cipher */
628 al
=SSL_AD_ILLEGAL_PARAMETER
;
629 SSLerr(SSL_F_SSL3_GET_SERVER_HELLO
,SSL_R_WRONG_CIPHER_RETURNED
);
633 if (s
->hit
&& (s
->session
->cipher
!= c
))
636 SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG
))
638 al
=SSL_AD_ILLEGAL_PARAMETER
;
639 SSLerr(SSL_F_SSL3_GET_SERVER_HELLO
,SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED
);
643 s
->s3
->tmp
.new_cipher
=c
;
645 /* lets get the compression algorithm */
649 al
=SSL_AD_ILLEGAL_PARAMETER
;
650 SSLerr(SSL_F_SSL3_GET_SERVER_HELLO
,SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM
);
656 /* wrong packet length */
657 al
=SSL_AD_DECODE_ERROR
;
658 SSLerr(SSL_F_SSL3_GET_SERVER_HELLO
,SSL_R_BAD_PACKET_LENGTH
);
664 ssl3_send_alert(s
,SSL3_AL_FATAL
,al
);
669 static int ssl3_get_server_certificate(s
)
673 unsigned long n
,nc
,llen
,l
;
675 unsigned char *p
,*d
,*q
;
680 n
=ssl3_get_message(s
,
684 #if defined(MSDOS) && !defined(WIN32)
685 1024*30, /* 30k max cert list :-) */
687 1024*100, /* 100k max cert list :-) */
691 if (!ok
) return((int)n
);
693 if (s
->s3
->tmp
.message_type
== SSL3_MT_SERVER_KEY_EXCHANGE
)
695 s
->s3
->tmp
.reuse_message
=1;
699 if (s
->s3
->tmp
.message_type
!= SSL3_MT_CERTIFICATE
)
701 al
=SSL_AD_UNEXPECTED_MESSAGE
;
702 SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE
,SSL_R_BAD_MESSAGE_TYPE
);
705 d
=p
=(unsigned char *)s
->init_buf
->data
;
707 if ((sk
=sk_new_null()) == NULL
)
709 SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE
,ERR_R_MALLOC_FAILURE
);
716 al
=SSL_AD_DECODE_ERROR
;
717 SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE
,SSL_R_LENGTH_MISMATCH
);
720 for (nc
=0; nc
<llen
; )
725 al
=SSL_AD_DECODE_ERROR
;
726 SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE
,SSL_R_CERT_LENGTH_MISMATCH
);
731 x
=d2i_X509(NULL
,&q
,l
);
734 al
=SSL_AD_BAD_CERTIFICATE
;
735 SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE
,ERR_R_ASN1_LIB
);
740 al
=SSL_AD_DECODE_ERROR
;
741 SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE
,SSL_R_CERT_LENGTH_MISMATCH
);
744 if (!sk_push(sk
,(char *)x
))
746 SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE
,ERR_R_MALLOC_FAILURE
);
754 i
=ssl_verify_cert_chain(s
,sk
);
755 if ((s
->verify_mode
!= SSL_VERIFY_NONE
) && (!i
))
757 al
=ssl_verify_alarm_type(s
->verify_result
);
758 SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE
,SSL_R_CERTIFICATE_VERIFY_FAILED
);
763 if (c
== NULL
) goto err
;
765 if (s
->session
->cert
) ssl_cert_free(s
->session
->cert
);
769 x
=(X509
*)sk_value(sk
,0);
772 pkey
=X509_get_pubkey(x
);
774 if (EVP_PKEY_missing_parameters(pkey
))
778 SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE
,SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS
);
782 i
=ssl_cert_type(x
,pkey
);
787 SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE
,SSL_R_UNKNOWN_CERTIFICATE_TYPE
);
792 CRYPTO_add(&x
->references
,1,CRYPTO_LOCK_X509
);
793 if (c
->pkeys
[i
].x509
!= NULL
)
794 X509_free(c
->pkeys
[i
].x509
);
796 c
->key
= &(c
->pkeys
[i
]);
798 if ((s
->session
!= NULL
) && (s
->session
->peer
!= NULL
))
799 X509_free(s
->session
->peer
);
800 CRYPTO_add(&x
->references
,1,CRYPTO_LOCK_X509
);
809 ssl3_send_alert(s
,SSL3_AL_FATAL
,al
);
812 if (x
!= NULL
) X509_free(x
);
813 if (sk
!= NULL
) sk_pop_free(sk
,X509_free
);
817 static int ssl3_get_key_exchange(s
)
821 unsigned char *q
,md_buf
[EVP_MAX_MD_SIZE
*2];
824 unsigned char *param
,*p
;
825 int al
,i
,j
,param_len
,ok
;
833 n
=ssl3_get_message(s
,
834 SSL3_ST_CR_KEY_EXCH_A
,
835 SSL3_ST_CR_KEY_EXCH_B
,
840 if (!ok
) return((int)n
);
842 if (s
->s3
->tmp
.message_type
!= SSL3_MT_SERVER_KEY_EXCHANGE
)
844 s
->s3
->tmp
.reuse_message
=1;
848 param
=p
=(unsigned char *)s
->init_buf
->data
;
850 if (s
->session
->cert
!= NULL
)
853 if (s
->session
->cert
->rsa_tmp
!= NULL
)
855 RSA_free(s
->session
->cert
->rsa_tmp
);
856 s
->session
->cert
->rsa_tmp
=NULL
;
860 if (s
->session
->cert
->dh_tmp
)
862 DH_free(s
->session
->cert
->dh_tmp
);
863 s
->session
->cert
->dh_tmp
=NULL
;
869 s
->session
->cert
=ssl_cert_new();
873 alg
=s
->s3
->tmp
.new_cipher
->algorithms
;
878 if ((rsa
=RSA_new()) == NULL
)
880 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,ERR_R_MALLOC_FAILURE
);
887 al
=SSL_AD_DECODE_ERROR
;
888 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,SSL_R_BAD_RSA_MODULUS_LENGTH
);
891 if (!(rsa
->n
=BN_bin2bn(p
,i
,rsa
->n
)))
893 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,ERR_R_BN_LIB
);
902 al
=SSL_AD_DECODE_ERROR
;
903 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,SSL_R_BAD_RSA_E_LENGTH
);
906 if (!(rsa
->e
=BN_bin2bn(p
,i
,rsa
->e
)))
908 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,ERR_R_BN_LIB
);
914 /* s->session->cert->rsa_tmp=rsa;*/
915 /* this should be because we are using an export cipher */
917 pkey
=X509_get_pubkey(s
->session
->cert
->pkeys
[SSL_PKEY_RSA_ENC
].x509
);
920 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,SSL_R_INTERNAL_ERROR
);
923 s
->session
->cert
->rsa_tmp
=rsa
;
930 if ((dh
=DH_new()) == NULL
)
932 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,ERR_R_DH_LIB
);
939 al
=SSL_AD_DECODE_ERROR
;
940 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,SSL_R_BAD_DH_P_LENGTH
);
943 if (!(dh
->p
=BN_bin2bn(p
,i
,NULL
)))
945 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,ERR_R_BN_LIB
);
954 al
=SSL_AD_DECODE_ERROR
;
955 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,SSL_R_BAD_DH_G_LENGTH
);
958 if (!(dh
->g
=BN_bin2bn(p
,i
,NULL
)))
960 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,ERR_R_BN_LIB
);
969 al
=SSL_AD_DECODE_ERROR
;
970 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,SSL_R_BAD_DH_PUB_KEY_LENGTH
);
973 if (!(dh
->pub_key
=BN_bin2bn(p
,i
,NULL
)))
975 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,ERR_R_BN_LIB
);
983 pkey
=X509_get_pubkey(s
->session
->cert
->pkeys
[SSL_PKEY_RSA_ENC
].x509
);
988 pkey
=X509_get_pubkey(s
->session
->cert
->pkeys
[SSL_PKEY_DSA_SIGN
].x509
);
990 /* else anonymous DH, so no certificate or pkey. */
992 s
->session
->cert
->dh_tmp
=dh
;
994 else if ((alg
& SSL_kDHr
) || (alg
& SSL_kDHd
))
996 al
=SSL_AD_ILLEGAL_PARAMETER
;
997 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER
);
1002 /* p points to the next byte, there are 'n' bytes left */
1005 /* if it was signed, check the signature */
1010 j
=EVP_PKEY_size(pkey
);
1012 if ((i
!= n
) || (n
> j
) || (n
<= 0))
1014 /* wrong packet length */
1015 al
=SSL_AD_DECODE_ERROR
;
1016 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,SSL_R_WRONG_SIGNATURE_LENGTH
);
1021 if (pkey
->type
== EVP_PKEY_RSA
)
1027 for (num
=2; num
> 0; num
--)
1029 EVP_DigestInit(&md_ctx
,(num
== 2)
1030 ?s
->ctx
->md5
:s
->ctx
->sha1
);
1031 EVP_DigestUpdate(&md_ctx
,&(s
->s3
->client_random
[0]),SSL3_RANDOM_SIZE
);
1032 EVP_DigestUpdate(&md_ctx
,&(s
->s3
->server_random
[0]),SSL3_RANDOM_SIZE
);
1033 EVP_DigestUpdate(&md_ctx
,param
,param_len
);
1034 EVP_DigestFinal(&md_ctx
,q
,(unsigned int *)&i
);
1038 i
=RSA_public_decrypt((int)n
,p
,p
,pkey
->pkey
.rsa
,
1042 al
=SSL_AD_DECRYPT_ERROR
;
1043 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,SSL_R_BAD_RSA_DECRYPT
);
1046 if ((j
!= i
) || (memcmp(p
,md_buf
,i
) != 0))
1049 al
=SSL_AD_DECRYPT_ERROR
;
1050 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,SSL_R_BAD_SIGNATURE
);
1057 if (pkey
->type
== EVP_PKEY_DSA
)
1060 EVP_VerifyInit(&md_ctx
,EVP_dss1());
1061 EVP_VerifyUpdate(&md_ctx
,&(s
->s3
->client_random
[0]),SSL3_RANDOM_SIZE
);
1062 EVP_VerifyUpdate(&md_ctx
,&(s
->s3
->server_random
[0]),SSL3_RANDOM_SIZE
);
1063 EVP_VerifyUpdate(&md_ctx
,param
,param_len
);
1064 if (!EVP_VerifyFinal(&md_ctx
,p
,(int)n
,pkey
))
1067 al
=SSL_AD_DECRYPT_ERROR
;
1068 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,SSL_R_BAD_SIGNATURE
);
1075 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,SSL_R_INTERNAL_ERROR
);
1081 /* still data left over */
1082 if (!(alg
& SSL_aNULL
))
1084 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,SSL_R_INTERNAL_ERROR
);
1089 al
=SSL_AD_DECODE_ERROR
;
1090 SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE
,SSL_R_EXTRA_DATA_IN_MESSAGE
);
1097 ssl3_send_alert(s
,SSL3_AL_FATAL
,al
);
1102 static int ssl3_get_certificate_request(s
)
1106 unsigned long n
,nc
,l
;
1107 unsigned int llen
,ctype_num
,i
;
1109 unsigned char *p
,*d
,*q
;
1112 n
=ssl3_get_message(s
,
1113 SSL3_ST_CR_CERT_REQ_A
,
1114 SSL3_ST_CR_CERT_REQ_B
,
1116 #if defined(MSDOS) && !defined(WIN32)
1117 1024*30, /* 30k max cert list :-) */
1119 1024*100, /* 100k max cert list :-) */
1123 if (!ok
) return((int)n
);
1125 s
->s3
->tmp
.cert_req
=0;
1127 if (s
->s3
->tmp
.message_type
== SSL3_MT_SERVER_DONE
)
1129 s
->s3
->tmp
.reuse_message
=1;
1133 if (s
->s3
->tmp
.message_type
!= SSL3_MT_CERTIFICATE_REQUEST
)
1135 ssl3_send_alert(s
,SSL3_AL_FATAL
,SSL_AD_UNEXPECTED_MESSAGE
);
1136 SSLerr(SSL_F_SSL3_GET_CERTIFICATE_REQUEST
,SSL_R_WRONG_MESSAGE_TYPE
);
1140 /* TLS does not like anon-DH with client cert */
1141 if (s
->version
> SSL3_VERSION
)
1143 l
=s
->s3
->tmp
.new_cipher
->algorithms
;
1146 ssl3_send_alert(s
,SSL3_AL_FATAL
,SSL_AD_UNEXPECTED_MESSAGE
);
1147 SSLerr(SSL_F_SSL3_GET_CERTIFICATE_REQUEST
,SSL_R_TLS_CLIENT_CERT_REQ_WITH_ANON_CIPHER
);
1152 d
=p
=(unsigned char *)s
->init_buf
->data
;
1154 if ((ca_sk
=sk_new(ca_dn_cmp
)) == NULL
)
1156 SSLerr(SSL_F_SSL3_GET_CERTIFICATE_REQUEST
,ERR_R_MALLOC_FAILURE
);
1160 /* get the certificate types */
1162 if (ctype_num
> SSL3_CT_NUMBER
)
1163 ctype_num
=SSL3_CT_NUMBER
;
1164 for (i
=0; i
<ctype_num
; i
++)
1165 s
->s3
->tmp
.ctype
[i
]= p
[i
];
1168 /* get the CA RDNs */
1170 if ((llen
+ctype_num
+2+1) != n
)
1172 ssl3_send_alert(s
,SSL3_AL_FATAL
,SSL_AD_DECODE_ERROR
);
1173 SSLerr(SSL_F_SSL3_GET_CERTIFICATE_REQUEST
,SSL_R_LENGTH_MISMATCH
);
1177 for (nc
=0; nc
<llen
; )
1180 if ((l
+nc
+2) > llen
)
1182 if ((s
->options
& SSL_OP_NETSCAPE_CA_DN_BUG
))
1183 goto cont
; /* netscape bugs */
1184 ssl3_send_alert(s
,SSL3_AL_FATAL
,SSL_AD_DECODE_ERROR
);
1185 SSLerr(SSL_F_SSL3_GET_CERTIFICATE_REQUEST
,SSL_R_CA_DN_TOO_LONG
);
1191 if ((xn
=d2i_X509_NAME(NULL
,&q
,l
)) == NULL
)
1193 /* If netscape tollerance is on, ignore errors */
1194 if (s
->options
& SSL_OP_NETSCAPE_CA_DN_BUG
)
1198 ssl3_send_alert(s
,SSL3_AL_FATAL
,SSL_AD_DECODE_ERROR
);
1199 SSLerr(SSL_F_SSL3_GET_CERTIFICATE_REQUEST
,ERR_R_ASN1_LIB
);
1206 ssl3_send_alert(s
,SSL3_AL_FATAL
,SSL_AD_DECODE_ERROR
);
1207 SSLerr(SSL_F_SSL3_GET_CERTIFICATE_REQUEST
,SSL_R_CA_DN_LENGTH_MISMATCH
);
1210 if (!sk_push(ca_sk
,(char *)xn
))
1212 SSLerr(SSL_F_SSL3_GET_CERTIFICATE_REQUEST
,ERR_R_MALLOC_FAILURE
);
1226 /* we should setup a certficate to return.... */
1227 s
->s3
->tmp
.cert_req
=1;
1228 s
->s3
->tmp
.ctype_num
=ctype_num
;
1229 if (s
->s3
->tmp
.ca_names
!= NULL
)
1230 sk_pop_free(s
->s3
->tmp
.ca_names
,X509_NAME_free
);
1231 s
->s3
->tmp
.ca_names
=ca_sk
;
1236 if (ca_sk
!= NULL
) sk_pop_free(ca_sk
,X509_NAME_free
);
1240 static int ca_dn_cmp(a
,b
)
1243 return(X509_NAME_cmp(*a
,*b
));
1246 static int ssl3_get_server_done(s
)
1252 n
=ssl3_get_message(s
,
1253 SSL3_ST_CR_SRVR_DONE_A
,
1254 SSL3_ST_CR_SRVR_DONE_B
,
1255 SSL3_MT_SERVER_DONE
,
1256 30, /* should be very small, like 0 :-) */
1259 if (!ok
) return((int)n
);
1262 /* should contain no data */
1263 ssl3_send_alert(s
,SSL3_AL_FATAL
,SSL_AD_DECODE_ERROR
);
1264 SSLerr(SSL_F_SSL3_GET_SERVER_DONE
,SSL_R_LENGTH_MISMATCH
);
1270 static int ssl3_send_client_key_exchange(s
)
1273 unsigned char *p
,*q
,*d
;
1276 EVP_PKEY
*pkey
=NULL
;
1278 if (s
->state
== SSL3_ST_CW_KEY_EXCH_A
)
1280 d
=(unsigned char *)s
->init_buf
->data
;
1283 l
=s
->s3
->tmp
.new_cipher
->algorithms
;
1289 unsigned char tmp_buf
[48];
1291 if (s
->session
->cert
->rsa_tmp
!= NULL
)
1292 rsa
=s
->session
->cert
->rsa_tmp
;
1295 pkey
=X509_get_pubkey(s
->session
->cert
->pkeys
[SSL_PKEY_RSA_ENC
].x509
);
1296 if ((pkey
== NULL
) ||
1297 (pkey
->type
!= EVP_PKEY_RSA
) ||
1298 (pkey
->pkey
.rsa
== NULL
))
1300 SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE
,SSL_R_INTERNAL_ERROR
);
1306 tmp_buf
[0]=s
->version
>>8;
1307 tmp_buf
[1]=s
->version
&0xff;
1308 RAND_bytes(&(tmp_buf
[2]),SSL_MAX_MASTER_KEY_LENGTH
-2);
1310 s
->session
->master_key_length
=SSL_MAX_MASTER_KEY_LENGTH
;
1313 /* Fix buf for TLS and beyond */
1314 if (s
->version
> SSL3_VERSION
)
1316 n
=RSA_public_encrypt(SSL_MAX_MASTER_KEY_LENGTH
,
1317 tmp_buf
,p
,rsa
,RSA_PKCS1_PADDING
);
1320 SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE
,SSL_R_BAD_RSA_ENCRYPT
);
1324 /* Fix buf for TLS and beyond */
1325 if (s
->version
> SSL3_VERSION
)
1331 s
->session
->master_key_length
=
1332 s
->method
->ssl3_enc
->generate_master_secret(s
,
1333 s
->session
->master_key
,
1335 memset(tmp_buf
,0,48);
1340 if (l
& (SSL_kEDH
|SSL_kDHr
|SSL_kDHd
))
1342 DH
*dh_srvr
,*dh_clnt
;
1344 if (s
->session
->cert
->dh_tmp
!= NULL
)
1345 dh_srvr
=s
->session
->cert
->dh_tmp
;
1348 /* we get them from the cert */
1349 ssl3_send_alert(s
,SSL3_AL_FATAL
,SSL_AD_HANDSHAKE_FAILURE
);
1350 SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE
,SSL_R_UNABLE_TO_FIND_DH_PARAMETERS
);
1354 /* generate a new random key */
1355 if ((dh_clnt
=DHparams_dup(dh_srvr
)) == NULL
)
1357 SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE
,ERR_R_DH_LIB
);
1360 if (!DH_generate_key(dh_clnt
))
1362 SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE
,ERR_R_DH_LIB
);
1366 /* use the 'p' output buffer for the DH key, but
1367 * make sure to clear it out afterwards */
1369 n
=DH_compute_key(p
,dh_srvr
->pub_key
,dh_clnt
);
1373 SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE
,ERR_R_DH_LIB
);
1377 /* generate master key from the result */
1378 s
->session
->master_key_length
=
1379 s
->method
->ssl3_enc
->generate_master_secret(s
,
1380 s
->session
->master_key
,p
,n
);
1384 /* send off the data */
1385 n
=BN_num_bytes(dh_clnt
->pub_key
);
1387 BN_bn2bin(dh_clnt
->pub_key
,p
);
1392 /* perhaps clean things up a bit EAY EAY EAY EAY*/
1397 ssl3_send_alert(s
,SSL3_AL_FATAL
,SSL_AD_HANDSHAKE_FAILURE
);
1398 SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE
,SSL_R_INTERNAL_ERROR
);
1402 *(d
++)=SSL3_MT_CLIENT_KEY_EXCHANGE
;
1405 s
->state
=SSL3_ST_CW_KEY_EXCH_B
;
1406 /* number of bytes to write */
1411 /* SSL3_ST_CW_KEY_EXCH_B */
1412 return(ssl3_do_write(s
,SSL3_RT_HANDSHAKE
));
1417 static int ssl3_send_client_verify(s
)
1420 unsigned char *p
,*d
;
1421 unsigned char data
[MD5_DIGEST_LENGTH
+SHA_DIGEST_LENGTH
];
1429 if (s
->state
== SSL3_ST_CW_CERT_VRFY_A
)
1431 d
=(unsigned char *)s
->init_buf
->data
;
1433 pkey
=s
->cert
->key
->privatekey
;
1435 s
->method
->ssl3_enc
->cert_verify_mac(s
,&(s
->s3
->finish_dgst2
),
1436 &(data
[MD5_DIGEST_LENGTH
]));
1439 if (pkey
->type
== EVP_PKEY_RSA
)
1441 s
->method
->ssl3_enc
->cert_verify_mac(s
,
1442 &(s
->s3
->finish_dgst1
),&(data
[0]));
1443 i
=RSA_private_encrypt(
1444 MD5_DIGEST_LENGTH
+SHA_DIGEST_LENGTH
,
1445 data
,&(p
[2]),pkey
->pkey
.rsa
,
1449 SSLerr(SSL_F_SSL3_SEND_CLIENT_VERIFY
,ERR_R_RSA_LIB
);
1458 if (pkey
->type
== EVP_PKEY_DSA
)
1460 if (!DSA_sign(pkey
->save_type
,
1461 &(data
[MD5_DIGEST_LENGTH
]),
1462 SHA_DIGEST_LENGTH
,&(p
[2]),
1463 (unsigned int *)&j
,pkey
->pkey
.dsa
))
1465 SSLerr(SSL_F_SSL3_SEND_CLIENT_VERIFY
,ERR_R_DSA_LIB
);
1474 SSLerr(SSL_F_SSL3_SEND_CLIENT_VERIFY
,SSL_R_INTERNAL_ERROR
);
1477 *(d
++)=SSL3_MT_CERTIFICATE_VERIFY
;
1480 s
->init_num
=(int)n
+4;
1483 return(ssl3_do_write(s
,SSL3_RT_HANDSHAKE
));
1488 static int ssl3_send_client_certificate(s
)
1492 EVP_PKEY
*pkey
=NULL
;
1496 if (s
->state
== SSL3_ST_CW_CERT_A
)
1498 if ((s
->cert
== NULL
) ||
1499 (s
->cert
->key
->x509
== NULL
) ||
1500 (s
->cert
->key
->privatekey
== NULL
))
1501 s
->state
=SSL3_ST_CW_CERT_B
;
1503 s
->state
=SSL3_ST_CW_CERT_C
;
1506 /* We need to get a client cert */
1507 if (s
->state
== SSL3_ST_CW_CERT_B
)
1509 /* If we get an error, we need to
1510 * ssl->rwstate=SSL_X509_LOOKUP; return(-1);
1511 * We then get retied later */
1513 if (s
->ctx
->client_cert_cb
!= NULL
)
1514 i
=s
->ctx
->client_cert_cb(s
,&(x509
),&(pkey
));
1517 s
->rwstate
=SSL_X509_LOOKUP
;
1520 s
->rwstate
=SSL_NOTHING
;
1521 if ((i
== 1) && (pkey
!= NULL
) && (x509
!= NULL
))
1523 s
->state
=SSL3_ST_CW_CERT_B
;
1524 if ( !SSL_use_certificate(s
,x509
) ||
1525 !SSL_use_PrivateKey(s
,pkey
))
1531 SSLerr(SSL_F_SSL3_SEND_CLIENT_CERTIFICATE
,SSL_R_BAD_DATA_RETURNED_BY_CALLBACK
);
1534 if (x509
!= NULL
) X509_free(x509
);
1535 if (pkey
!= NULL
) EVP_PKEY_free(pkey
);
1538 if (s
->version
== SSL3_VERSION
)
1540 s
->s3
->tmp
.cert_req
=0;
1541 ssl3_send_alert(s
,SSL3_AL_WARNING
,SSL_AD_NO_CERTIFICATE
);
1546 s
->s3
->tmp
.cert_req
=2;
1550 /* Ok, we have a cert */
1551 s
->state
=SSL3_ST_CW_CERT_C
;
1554 if (s
->state
== SSL3_ST_CW_CERT_C
)
1556 s
->state
=SSL3_ST_CW_CERT_D
;
1557 l
=ssl3_output_cert_chain(s
,
1558 (s
->s3
->tmp
.cert_req
== 2)?NULL
:s
->cert
->key
->x509
);
1562 /* SSL3_ST_CW_CERT_D */
1563 return(ssl3_do_write(s
,SSL3_RT_HANDSHAKE
));
1566 #define has_bits(i,m) (((i)&(m)) == (m))
1568 static int ssl3_check_cert_and_algorithm(s
)
1573 EVP_PKEY
*pkey
=NULL
;
1582 SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM
,SSL_R_INTERNAL_ERROR
);
1586 algs
=s
->s3
->tmp
.new_cipher
->algorithms
;
1588 /* we don't have a certificate */
1589 if (algs
& (SSL_aDH
|SSL_aNULL
))
1592 rsa
=s
->session
->cert
->rsa_tmp
;
1593 dh
=s
->session
->cert
->dh_tmp
;
1595 /* This is the passed certificate */
1598 pkey
=X509_get_pubkey(c
->pkeys
[idx
].x509
);
1599 i
=X509_certificate_type(c
->pkeys
[idx
].x509
,pkey
);
1602 /* Check that we have a certificate if we require one */
1603 if ((algs
& SSL_aRSA
) && !has_bits(i
,EVP_PK_RSA
|EVP_PKT_SIGN
))
1605 SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM
,SSL_R_MISSING_RSA_SIGNING_CERT
);
1609 else if ((algs
& SSL_aDSS
) && !has_bits(i
,EVP_PK_DSA
|EVP_PKT_SIGN
))
1611 SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM
,SSL_R_MISSING_DSA_SIGNING_CERT
);
1616 if ((algs
& SSL_kRSA
) &&
1617 !(has_bits(i
,EVP_PK_RSA
|EVP_PKT_ENC
) || (rsa
!= NULL
)))
1619 SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM
,SSL_R_MISSING_RSA_ENCRYPTING_CERT
);
1623 else if ((algs
& SSL_kEDH
) &&
1624 !(has_bits(i
,EVP_PK_DH
|EVP_PKT_EXCH
) || (dh
!= NULL
)))
1626 SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM
,SSL_R_MISSING_DH_KEY
);
1629 else if ((algs
& SSL_kDHr
) && !has_bits(i
,EVP_PK_DH
|EVP_PKS_RSA
))
1631 SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM
,SSL_R_MISSING_DH_RSA_CERT
);
1635 else if ((algs
& SSL_kDHd
) && !has_bits(i
,EVP_PK_DH
|EVP_PKS_DSA
))
1637 SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM
,SSL_R_MISSING_DH_DSA_CERT
);
1643 if ((algs
& SSL_EXP
) && !has_bits(i
,EVP_PKT_EXP
))
1646 if (algs
& SSL_kRSA
)
1648 if ((rsa
== NULL
) || (RSA_size(rsa
) > 512))
1650 SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM
,SSL_R_MISSING_EXPORT_TMP_RSA_KEY
);
1657 if (algs
& (SSL_kEDH
|SSL_kDHr
|SSL_kDHd
))
1659 if ((dh
== NULL
) || (DH_size(dh
) > 512))
1661 SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM
,SSL_R_MISSING_EXPORT_TMP_DH_KEY
);
1668 SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM
,SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE
);
1674 ssl3_send_alert(s
,SSL3_AL_FATAL
,SSL_AD_HANDSHAKE_FAILURE
);