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1/* ssl/t1_enc.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
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.
8 *
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).
15 *
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.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
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)"
40 *
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
51 * SUCH DAMAGE.
52 *
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.]
57 */
58
59#include <stdio.h>
60#include "evp.h"
61#include "hmac.h"
62#include "ssl_locl.h"
63
64static void tls1_P_hash(md,sec,sec_len,seed,seed_len,out,olen)
65EVP_MD *md;
66unsigned char *sec;
67int sec_len;
68unsigned char *seed;
69int seed_len;
70unsigned char *out;
71int olen;
72 {
73 int chunk,n;
74 unsigned int j;
75 HMAC_CTX ctx;
76 HMAC_CTX ctx_tmp;
77 unsigned char A1[HMAC_MAX_MD_CBLOCK];
78 unsigned int A1_len;
79
80 chunk=EVP_MD_size(md);
81
82 HMAC_Init(&ctx,sec,sec_len,md);
83 HMAC_Update(&ctx,seed,seed_len);
84 HMAC_Final(&ctx,A1,&A1_len);
85
86 n=0;
87 for (;;)
88 {
89 HMAC_Init(&ctx,NULL,0,NULL); /* re-init */
90 HMAC_Update(&ctx,A1,A1_len);
91 memcpy(&ctx_tmp,&ctx,sizeof(ctx)); /* Copy for A2 */ /* not needed for last one */
92 HMAC_Update(&ctx,seed,seed_len);
93
94 if (olen > chunk)
95 {
96 HMAC_Final(&ctx,out,&j);
97 out+=j;
98 olen-=j;
99 HMAC_Final(&ctx_tmp,A1,&A1_len); /* calc the next A1 value */
100 }
101 else /* last one */
102 {
103 HMAC_Final(&ctx,A1,&A1_len);
104 memcpy(out,A1,olen);
105 break;
106 }
107 }
108 HMAC_cleanup(&ctx);
109 HMAC_cleanup(&ctx_tmp);
110 memset(A1,0,sizeof(A1));
111 }
112
113static void tls1_PRF(md5,sha1,label,label_len,sec,slen,out1,out2,olen)
114EVP_MD *md5;
115EVP_MD *sha1;
116unsigned char *label;
117int label_len;
118unsigned char *sec;
119int slen;
120unsigned char *out1;
121unsigned char *out2;
122int olen;
123 {
124 int len,i;
125 unsigned char *S1,*S2;
126
127 len=slen/2;
128 S1=sec;
129 S2= &(sec[len]);
130 len+=(slen&1); /* add for odd, make longer */
131
132
133 tls1_P_hash(md5 ,S1,len,label,label_len,out1,olen);
134 tls1_P_hash(sha1,S2,len,label,label_len,out2,olen);
135
136 for (i=0; i<olen; i++)
137 out1[i]^=out2[i];
138 }
139
140static void tls1_generate_key_block(s,km,tmp,num)
141SSL *s;
142unsigned char *km,*tmp;
143int num;
144 {
145 unsigned char *p;
146 unsigned char buf[SSL3_RANDOM_SIZE*2+
147 TLS_MD_MAX_CONST_SIZE];
148 p=buf;
149
150 memcpy(p,TLS_MD_KEY_EXPANSION_CONST,
151 TLS_MD_KEY_EXPANSION_CONST_SIZE);
152 p+=TLS_MD_KEY_EXPANSION_CONST_SIZE;
153 memcpy(p,s->s3->server_random,SSL3_RANDOM_SIZE);
154 p+=SSL3_RANDOM_SIZE;
155 memcpy(p,s->s3->client_random,SSL3_RANDOM_SIZE);
156 p+=SSL3_RANDOM_SIZE;
157
158 tls1_PRF(s->ctx->md5,s->ctx->sha1,buf,p-buf,
159 s->session->master_key,s->session->master_key_length,
160 km,tmp,num);
161 }
162
163int tls1_change_cipher_state(s,which)
164SSL *s;
165int which;
166 {
167 unsigned char *p,*key_block,*mac_secret;
168 unsigned char *exp_label,buf[TLS_MD_MAX_CONST_SIZE+
169 SSL3_RANDOM_SIZE*2];
170 unsigned char tmp1[EVP_MAX_KEY_LENGTH];
171 unsigned char tmp2[EVP_MAX_KEY_LENGTH];
172 unsigned char iv1[EVP_MAX_IV_LENGTH*2];
173 unsigned char iv2[EVP_MAX_IV_LENGTH*2];
174 unsigned char *ms,*key,*iv,*er1,*er2;
175 int client_write;
176 EVP_CIPHER_CTX *dd;
177 EVP_CIPHER *c;
178 SSL_COMPRESSION *comp;
179 EVP_MD *m;
180 int exp,n,i,j,k,exp_label_len;
181
182 exp=(s->s3->tmp.new_cipher->algorithms & SSL_EXPORT)?1:0;
183 c=s->s3->tmp.new_sym_enc;
184 m=s->s3->tmp.new_hash;
185 comp=s->s3->tmp.new_compression;
186 key_block=s->s3->tmp.key_block;
187
188 if (which & SSL3_CC_READ)
189 {
190 if ((s->enc_read_ctx == NULL) &&
191 ((s->enc_read_ctx=(EVP_CIPHER_CTX *)
192 Malloc(sizeof(EVP_CIPHER_CTX))) == NULL))
193 goto err;
194 dd= s->enc_read_ctx;
195 s->read_hash=m;
196 s->read_compression=comp;
197 memset(&(s->s3->read_sequence[0]),0,8);
198 mac_secret= &(s->s3->read_mac_secret[0]);
199 }
200 else
201 {
202 if ((s->enc_write_ctx == NULL) &&
203 ((s->enc_write_ctx=(EVP_CIPHER_CTX *)
204 Malloc(sizeof(EVP_CIPHER_CTX))) == NULL))
205 goto err;
206 dd= s->enc_write_ctx;
207 s->write_hash=m;
208 s->write_compression=comp;
209 memset(&(s->s3->write_sequence[0]),0,8);
210 mac_secret= &(s->s3->write_mac_secret[0]);
211 }
212
213 EVP_CIPHER_CTX_init(dd);
214
215 p=s->s3->tmp.key_block;
216 i=EVP_MD_size(m);
217 j=(exp)?5:EVP_CIPHER_key_length(c);
218 k=EVP_CIPHER_iv_length(c);
219 er1= &(s->s3->client_random[0]);
220 er2= &(s->s3->server_random[0]);
221 if ( (which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
222 (which == SSL3_CHANGE_CIPHER_SERVER_READ))
223 {
224 ms= &(p[ 0]); n=i+i;
225 key= &(p[ n]); n+=j+j;
226 iv= &(p[ n]); n+=k+k;
227 exp_label=(unsigned char *)TLS_MD_CLIENT_WRITE_KEY_CONST;
228 exp_label_len=TLS_MD_CLIENT_WRITE_KEY_CONST_SIZE;
229 client_write=1;
230 }
231 else
232 {
233 n=i;
234 ms= &(p[ n]); n+=i+j;
235 key= &(p[ n]); n+=j+k;
236 iv= &(p[ n]); n+=k;
237 exp_label=(unsigned char *)TLS_MD_SERVER_WRITE_KEY_CONST;
238 exp_label_len=TLS_MD_SERVER_WRITE_KEY_CONST_SIZE;
239 client_write=0;
240 }
241
242 if (n > s->s3->tmp.key_block_length)
243 {
244 SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,SSL_R_INTERNAL_ERROR);
245 goto err2;
246 }
247
248 memcpy(mac_secret,ms,i);
249#ifdef TLS_DEBUG
250printf("which = %04X\nmac key=",which);
251{ int z; for (z=0; z<i; z++) printf("%02X%c",ms[z],((z+1)%16)?' ':'\n'); }
252#endif
253 if (exp)
254 {
255 /* In here I set both the read and write key/iv to the
256 * same value since only the correct one will be used :-).
257 */
258 p=buf;
259 memcpy(p,exp_label,exp_label_len);
260 p+=exp_label_len;
261 memcpy(p,s->s3->client_random,SSL3_RANDOM_SIZE);
262 p+=SSL3_RANDOM_SIZE;
263 memcpy(p,s->s3->server_random,SSL3_RANDOM_SIZE);
264 p+=SSL3_RANDOM_SIZE;
265 tls1_PRF(s->ctx->md5,s->ctx->sha1,buf,p-buf,key,j,
266 tmp1,tmp2,EVP_CIPHER_key_length(c));
267 key=tmp1;
268
269 if (k > 0)
270 {
271 p=buf;
272 memcpy(p,TLS_MD_IV_BLOCK_CONST,
273 TLS_MD_IV_BLOCK_CONST_SIZE);
274 p+=TLS_MD_IV_BLOCK_CONST_SIZE;
275 memcpy(p,s->s3->client_random,SSL3_RANDOM_SIZE);
276 p+=SSL3_RANDOM_SIZE;
277 memcpy(p,s->s3->server_random,SSL3_RANDOM_SIZE);
278 p+=SSL3_RANDOM_SIZE;
279 tls1_PRF(s->ctx->md5,s->ctx->sha1,
280 buf,p-buf,"",0,iv1,iv2,k*2);
281 if (client_write)
282 iv=iv1;
283 else
284 iv= &(iv1[k]);
285 }
286 }
287
288 s->session->key_arg_length=0;
289
290 EVP_CipherInit(dd,c,key,iv,(which & SSL3_CC_WRITE));
291#ifdef TLS_DEBUG
292printf("which = %04X\nkey=",which);
293{ int z; for (z=0; z<EVP_CIPHER_key_length(c); z++) printf("%02X%c",key[z],((z+1)%16)?' ':'\n'); }
294printf("\niv=");
295{ int z; for (z=0; z<k; z++) printf("%02X%c",iv[z],((z+1)%16)?' ':'\n'); }
296printf("\n");
297#endif
298
299 memset(tmp1,0,sizeof(tmp1));
300 memset(tmp2,0,sizeof(tmp1));
301 memset(iv1,0,sizeof(iv1));
302 memset(iv2,0,sizeof(iv2));
303 return(1);
304err:
305 SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,ERR_R_MALLOC_FAILURE);
306err2:
307 return(0);
308 }
309
310int tls1_setup_key_block(s)
311SSL *s;
312 {
313 unsigned char *p1,*p2;
314 EVP_CIPHER *c;
315 EVP_MD *hash;
316 int num,exp;
317
318 if (s->s3->tmp.key_block_length != 0)
319 return(1);
320
321 if (!ssl_cipher_get_evp(s->session->cipher,&c,&hash))
322 {
323 SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
324 return(0);
325 }
326
327 s->s3->tmp.new_sym_enc=c;
328 s->s3->tmp.new_hash=hash;
329
330 exp=(s->session->cipher->algorithms & SSL_EXPORT)?1:0;
331
332 num=EVP_CIPHER_key_length(c)+EVP_MD_size(hash)+EVP_CIPHER_iv_length(c);
333 num*=2;
334
335 ssl3_cleanup_key_block(s);
336
337 if ((p1=(unsigned char *)Malloc(num)) == NULL)
338 goto err;
339 if ((p2=(unsigned char *)Malloc(num)) == NULL)
340 goto err;
341
342 s->s3->tmp.key_block_length=num;
343 s->s3->tmp.key_block=p1;
344
345
346#ifdef TLS_DEBUG
347printf("client random\n");
348{ int z; for (z=0; z<SSL3_RANDOM_SIZE; z++) printf("%02X%c",s->s3->client_random[z],((z+1)%16)?' ':'\n'); }
349printf("server random\n");
350{ int z; for (z=0; z<SSL3_RANDOM_SIZE; z++) printf("%02X%c",s->s3->server_random[z],((z+1)%16)?' ':'\n'); }
351printf("pre-master\n");
352{ int z; for (z=0; z<s->session->master_key_length; z++) printf("%02X%c",s->session->master_key[z],((z+1)%16)?' ':'\n'); }
353#endif
354 tls1_generate_key_block(s,p1,p2,num);
355 memset(p2,0,num);
356 Free(p2);
357#ifdef TLS_DEBUG
358printf("\nkey block\n");
359{ int z; for (z=0; z<num; z++) printf("%02X%c",p1[z],((z+1)%16)?' ':'\n'); }
360#endif
361
362 return(1);
363err:
364 SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE);
365 return(0);
366 }
367
368int tls1_enc(s,send)
369SSL *s;
370int send;
371 {
372 SSL3_RECORD *rec;
373 EVP_CIPHER_CTX *ds;
374 unsigned long l;
375 int bs,i,ii,j,k,n=0;
376 EVP_CIPHER *enc;
377 SSL_COMPRESSION *comp;
378
379 if (send)
380 {
381 if (s->write_hash != NULL)
382 n=EVP_MD_size(s->write_hash);
383 ds=s->enc_write_ctx;
384 rec= &(s->s3->wrec);
385 if (s->enc_write_ctx == NULL)
386 { enc=NULL; comp=NULL; }
387 else
388 {
389 enc=EVP_CIPHER_CTX_cipher(s->enc_write_ctx);
390 comp=s->write_compression;
391 }
392 }
393 else
394 {
395 if (s->read_hash != NULL)
396 n=EVP_MD_size(s->read_hash);
397 ds=s->enc_read_ctx;
398 rec= &(s->s3->rrec);
399 if (s->enc_read_ctx == NULL)
400 { enc=NULL; comp=NULL; }
401 else
402 {
403 enc=EVP_CIPHER_CTX_cipher(s->enc_read_ctx);
404 comp=s->read_compression;
405 }
406 }
407
408 if ((s->session == NULL) || (ds == NULL) ||
409 ((enc == NULL) && (comp == NULL)))
410 {
411 memcpy(rec->data,rec->input,rec->length);
412 rec->input=rec->data;
413 }
414 else
415 {
416 l=rec->length;
417 bs=EVP_CIPHER_block_size(ds->cipher);
418
419 if ((bs != 1) && send)
420 {
421 i=bs-((int)l%bs);
422
423 /* Add weird padding of upto 256 bytes */
424
425 /* we need to add 'i' padding bytes of value j */
426 j=i-1;
427 if (s->options & SSL_OP_TLS_BLOCK_PADDING_BUG)
428 {
429 if (s->s3->flags & TLS1_FLAGS_TLS_PADDING_BUG)
430 j++;
431 }
432 for (k=(int)l; k<(int)(l+i); k++)
433 rec->input[k]=j;
434 l+=i;
435 rec->length+=i;
436 }
437
438 EVP_Cipher(ds,rec->data,rec->input,l);
439
440 if ((bs != 1) && !send)
441 {
442 ii=i=rec->data[l-1];
443 i++;
444 if (s->options&SSL_OP_TLS_BLOCK_PADDING_BUG)
445 {
446 /* First packet is even in size, so check */
447 if ((memcmp(s->s3->read_sequence,
448 "\0\0\0\0\0\0\0\0",8) == 0) && !(ii & 1))
449 s->s3->flags|=TLS1_FLAGS_TLS_PADDING_BUG;
450 if (s->s3->flags & TLS1_FLAGS_TLS_PADDING_BUG)
451 i--;
452 }
453 if (i > (int)rec->length)
454 {
455 SSLerr(SSL_F_TLS1_ENC,SSL_R_BLOCK_CIPHER_PAD_IS_WRONG);
456 ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECRYPTION_FAILED);
457 return(0);
458 }
459 for (j=(int)(l-i); j<(int)l; j++)
460 {
461 if (rec->data[j] != ii)
462 {
463 SSLerr(SSL_F_TLS1_ENC,SSL_R_DECRYPTION_FAILED);
464 ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECRYPTION_FAILED);
465 return(0);
466 }
467 }
468 rec->length-=i;
469 }
470 }
471 return(1);
472 }
473
474int tls1_cert_verify_mac(s,in_ctx,out)
475SSL *s;
476EVP_MD_CTX *in_ctx;
477unsigned char *out;
478 {
479 unsigned int ret;
480 EVP_MD_CTX ctx;
481
482 memcpy(&ctx,in_ctx,sizeof(EVP_MD_CTX));
483 EVP_DigestFinal(&ctx,out,&ret);
484 return((int)ret);
485 }
486
487int tls1_final_finish_mac(s,in1_ctx,in2_ctx,str,slen,out)
488SSL *s;
489EVP_MD_CTX *in1_ctx,*in2_ctx;
490unsigned char *str;
491int slen;
492unsigned char *out;
493 {
494 unsigned int i;
495 EVP_MD_CTX ctx;
496 unsigned char buf[TLS_MD_MAX_CONST_SIZE+MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH];
497 unsigned char *q,buf2[12];
498
499 q=buf;
500 memcpy(q,str,slen);
501 q+=slen;
502
503 memcpy(&ctx,in1_ctx,sizeof(EVP_MD_CTX));
504 EVP_DigestFinal(&ctx,q,&i);
505 q+=i;
506 memcpy(&ctx,in2_ctx,sizeof(EVP_MD_CTX));
507 EVP_DigestFinal(&ctx,q,&i);
508 q+=i;
509
510 tls1_PRF(s->ctx->md5,s->ctx->sha1,buf,q-buf,
511 s->session->master_key,s->session->master_key_length,
512 out,buf2,12);
513 memset(&ctx,0,sizeof(EVP_MD_CTX));
514
515 return((int)12);
516 }
517
518int tls1_mac(ssl,md,send)
519SSL *ssl;
520unsigned char *md;
521int send;
522 {
523 SSL3_RECORD *rec;
524 unsigned char *mac_sec,*seq;
525 EVP_MD *hash;
526 unsigned int md_size;
527 int i;
528 HMAC_CTX hmac;
529 unsigned char buf[5];
530
531 if (send)
532 {
533 rec= &(ssl->s3->wrec);
534 mac_sec= &(ssl->s3->write_mac_secret[0]);
535 seq= &(ssl->s3->write_sequence[0]);
536 hash=ssl->write_hash;
537 }
538 else
539 {
540 rec= &(ssl->s3->rrec);
541 mac_sec= &(ssl->s3->read_mac_secret[0]);
542 seq= &(ssl->s3->read_sequence[0]);
543 hash=ssl->read_hash;
544 }
545
546 md_size=EVP_MD_size(hash);
547
548 buf[0]=rec->type;
549 buf[1]=TLS1_VERSION_MAJOR;
550 buf[2]=TLS1_VERSION_MINOR;
551 buf[3]=rec->length>>8;
552 buf[4]=rec->length&0xff;
553
554 /* I should fix this up TLS TLS TLS TLS TLS XXXXXXXX */
555 HMAC_Init(&hmac,mac_sec,EVP_MD_size(hash),hash);
556 HMAC_Update(&hmac,seq,8);
557 HMAC_Update(&hmac,buf,5);
558 HMAC_Update(&hmac,rec->input,rec->length);
559 HMAC_Final(&hmac,md,&md_size);
560
561#ifdef TLS_DEBUG
562printf("sec=");
563{int z; for (z=0; z<md_size; z++) printf("%02X ",mac_sec[z]); printf("\n"); }
564printf("seq=");
565{int z; for (z=0; z<8; z++) printf("%02X ",seq[z]); printf("\n"); }
566printf("buf=");
567{int z; for (z=0; z<5; z++) printf("%02X ",buf[z]); printf("\n"); }
568printf("rec=");
569{int z; for (z=0; z<rec->length; z++) printf("%02X ",buf[z]); printf("\n"); }
570#endif
571
572 for (i=7; i>=0; i--)
573 if (++seq[i]) break;
574
575#ifdef TLS_DEBUG
576{int z; for (z=0; z<md_size; z++) printf("%02X ",md[z]); printf("\n"); }
577#endif
578 return(md_size);
579 }
580
581int tls1_generate_master_secret(s,out,p,len)
582SSL *s;
583unsigned char *out;
584unsigned char *p;
585int len;
586 {
587 unsigned char buf[SSL3_RANDOM_SIZE*2+TLS_MD_MASTER_SECRET_CONST_SIZE];
588 unsigned char buff[SSL_MAX_MASTER_KEY_LENGTH];
589
590 /* Setup the stuff to munge */
591 memcpy(buf,TLS_MD_MASTER_SECRET_CONST,
592 TLS_MD_MASTER_SECRET_CONST_SIZE);
593 memcpy(&(buf[TLS_MD_MASTER_SECRET_CONST_SIZE]),
594 s->s3->client_random,SSL3_RANDOM_SIZE);
595 memcpy(&(buf[SSL3_RANDOM_SIZE+TLS_MD_MASTER_SECRET_CONST_SIZE]),
596 s->s3->server_random,SSL3_RANDOM_SIZE);
597 tls1_PRF(s->ctx->md5,s->ctx->sha1,
598 buf,TLS_MD_MASTER_SECRET_CONST_SIZE+SSL3_RANDOM_SIZE*2,p,len,
599 s->session->master_key,buff,SSL3_MASTER_SECRET_SIZE);
600 return(SSL3_MASTER_SECRET_SIZE);
601 }
602
603int tls1_alert_code(code)
604int code;
605 {
606 switch (code)
607 {
608 case SSL_AD_CLOSE_NOTIFY: return(SSL3_AD_CLOSE_NOTIFY);
609 case SSL_AD_UNEXPECTED_MESSAGE: return(SSL3_AD_UNEXPECTED_MESSAGE);
610 case SSL_AD_BAD_RECORD_MAC: return(SSL3_AD_BAD_RECORD_MAC);
611 case SSL_AD_DECRYPTION_FAILED: return(TLS1_AD_DECRYPTION_FAILED);
612 case SSL_AD_RECORD_OVERFLOW: return(TLS1_AD_RECORD_OVERFLOW);
613 case SSL_AD_DECOMPRESSION_FAILURE:return(SSL3_AD_DECOMPRESSION_FAILURE);
614 case SSL_AD_HANDSHAKE_FAILURE: return(SSL3_AD_HANDSHAKE_FAILURE);
615 case SSL_AD_NO_CERTIFICATE: return(-1);
616 case SSL_AD_BAD_CERTIFICATE: return(SSL3_AD_BAD_CERTIFICATE);
617 case SSL_AD_UNSUPPORTED_CERTIFICATE:return(SSL3_AD_UNSUPPORTED_CERTIFICATE);
618 case SSL_AD_CERTIFICATE_REVOKED:return(SSL3_AD_CERTIFICATE_REVOKED);
619 case SSL_AD_CERTIFICATE_EXPIRED:return(SSL3_AD_CERTIFICATE_EXPIRED);
620 case SSL_AD_CERTIFICATE_UNKNOWN:return(SSL3_AD_CERTIFICATE_UNKNOWN);
621 case SSL_AD_ILLEGAL_PARAMETER: return(SSL3_AD_ILLEGAL_PARAMETER);
622 case SSL_AD_UNKNOWN_CA: return(TLS1_AD_UNKNOWN_CA);
623 case SSL_AD_ACCESS_DENIED: return(TLS1_AD_ACCESS_DENIED);
624 case SSL_AD_DECODE_ERROR: return(TLS1_AD_DECODE_ERROR);
625 case SSL_AD_DECRYPT_ERROR: return(TLS1_AD_DECRYPT_ERROR);
626 case SSL_AD_EXPORT_RESTRICION: return(TLS1_AD_EXPORT_RESTRICION);
627 case SSL_AD_PROTOCOL_VERSION: return(TLS1_AD_PROTOCOL_VERSION);
628 case SSL_AD_INSUFFICIENT_SECURITY:return(TLS1_AD_INSUFFICIENT_SECURITY);
629 case SSL_AD_INTERNAL_ERROR: return(TLS1_AD_INTERNAL_ERROR);
630 case SSL_AD_USER_CANCLED: return(TLS1_AD_USER_CANCLED);
631 case SSL_AD_NO_RENEGOTIATION: return(TLS1_AD_NO_RENEGOTIATION);
632 default: return(-1);
633 }
634 }
635
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-04-26 13:50:56 +0000