1 /* ssl/ssl_locl.h */ 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 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. 60 * 61 * Redistribution and use in source and binary forms, with or without 62 * modification, are permitted provided that the following conditions 63 * are met: 64 * 65 * 1. Redistributions of source code must retain the above copyright 66 * notice, this list of conditions and the following disclaimer. 67 * 68 * 2. Redistributions in binary form must reproduce the above copyright 69 * notice, this list of conditions and the following disclaimer in 70 * the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3. All advertising materials mentioning features or use of this 74 * software must display the following acknowledgment: 75 * "This product includes software developed by the OpenSSL Project 76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 77 * 78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 79 * endorse or promote products derived from this software without 80 * prior written permission. For written permission, please contact 81 * openssl-core@openssl.org. 82 * 83 * 5. Products derived from this software may not be called "OpenSSL" 84 * nor may "OpenSSL" appear in their names without prior written 85 * permission of the OpenSSL Project. 86 * 87 * 6. Redistributions of any form whatsoever must retain the following 88 * acknowledgment: 89 * "This product includes software developed by the OpenSSL Project 90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 91 * 92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 103 * OF THE POSSIBILITY OF SUCH DAMAGE. 104 * ==================================================================== 105 * 106 * This product includes cryptographic software written by Eric Young 107 * (eay@cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh@cryptsoft.com). 109 * 110 */ 111 /* ==================================================================== 112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 113 * ECC cipher suite support in OpenSSL originally developed by 114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. 115 */ 116 117 #ifndef HEADER_SSL_LOCL_H 118 #define HEADER_SSL_LOCL_H 119 #include <stdlib.h> 120 #include <time.h> 121 #include <string.h> 122 #include <errno.h> 123 124 #include "e_os.h" 125 126 #include <openssl/buffer.h> 127 #include <openssl/comp.h> 128 #include <openssl/bio.h> 129 #include <openssl/stack.h> 130 #ifndef OPENSSL_NO_RSA 131 #include <openssl/rsa.h> 132 #endif 133 #ifndef OPENSSL_NO_DSA 134 #include <openssl/dsa.h> 135 #endif 136 #include <openssl/err.h> 137 #include <openssl/ssl.h> 138 #include <openssl/symhacks.h> 139 140 #ifdef OPENSSL_BUILD_SHLIBSSL 141 # undef OPENSSL_EXTERN 142 # define OPENSSL_EXTERN OPENSSL_EXPORT 143 #endif 144 145 #define PKCS1_CHECK 146 147 #define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ 148 l|=(((unsigned long)(*((c)++)))<< 8), \ 149 l|=(((unsigned long)(*((c)++)))<<16), \ 150 l|=(((unsigned long)(*((c)++)))<<24)) 151 152 /* NOTE - c is not incremented as per c2l */ 153 #define c2ln(c,l1,l2,n) { \ 154 c+=n; \ 155 l1=l2=0; \ 156 switch (n) { \ 157 case 8: l2 =((unsigned long)(*(--(c))))<<24; \ 158 case 7: l2|=((unsigned long)(*(--(c))))<<16; \ 159 case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ 160 case 5: l2|=((unsigned long)(*(--(c)))); \ 161 case 4: l1 =((unsigned long)(*(--(c))))<<24; \ 162 case 3: l1|=((unsigned long)(*(--(c))))<<16; \ 163 case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ 164 case 1: l1|=((unsigned long)(*(--(c)))); \ 165 } \ 166 } 167 168 #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ 169 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 170 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 171 *((c)++)=(unsigned char)(((l)>>24)&0xff)) 172 173 #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ 174 l|=((unsigned long)(*((c)++)))<<16, \ 175 l|=((unsigned long)(*((c)++)))<< 8, \ 176 l|=((unsigned long)(*((c)++)))) 177 178 #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ 179 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 180 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 181 *((c)++)=(unsigned char)(((l) )&0xff)) 182 183 #define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ 184 *((c)++)=(unsigned char)(((l)>>32)&0xff), \ 185 *((c)++)=(unsigned char)(((l)>>24)&0xff), \ 186 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 187 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 188 *((c)++)=(unsigned char)(((l) )&0xff)) 189 190 #define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \ 191 l|=((BN_ULLONG)(*((c)++)))<<32, \ 192 l|=((BN_ULLONG)(*((c)++)))<<24, \ 193 l|=((BN_ULLONG)(*((c)++)))<<16, \ 194 l|=((BN_ULLONG)(*((c)++)))<< 8, \ 195 l|=((BN_ULLONG)(*((c)++)))) 196 197 /* NOTE - c is not incremented as per l2c */ 198 #define l2cn(l1,l2,c,n) { \ 199 c+=n; \ 200 switch (n) { \ 201 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ 202 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ 203 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ 204 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ 205 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ 206 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ 207 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ 208 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ 209 } \ 210 } 211 212 #define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \ 213 (((unsigned int)(c[1])) )),c+=2) 214 #define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \ 215 c[1]=(unsigned char)(((s) )&0xff)),c+=2) 216 217 #define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \ 218 (((unsigned long)(c[1]))<< 8)| \ 219 (((unsigned long)(c[2])) )),c+=3) 220 221 #define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \ 222 c[1]=(unsigned char)(((l)>> 8)&0xff), \ 223 c[2]=(unsigned char)(((l) )&0xff)),c+=3) 224 225 /* LOCAL STUFF */ 226 227 #define SSL_DECRYPT 0 228 #define SSL_ENCRYPT 1 229 230 #define TWO_BYTE_BIT 0x80 231 #define SEC_ESC_BIT 0x40 232 #define TWO_BYTE_MASK 0x7fff 233 #define THREE_BYTE_MASK 0x3fff 234 235 #define INC32(a) ((a)=((a)+1)&0xffffffffL) 236 #define DEC32(a) ((a)=((a)-1)&0xffffffffL) 237 #define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ 238 239 /* 240 * Define the Bitmasks for SSL_CIPHER.algorithms. 241 * This bits are used packed as dense as possible. If new methods/ciphers 242 * etc will be added, the bits a likely to change, so this information 243 * is for internal library use only, even though SSL_CIPHER.algorithms 244 * can be publicly accessed. 245 * Use the according functions for cipher management instead. 246 * 247 * The bit mask handling in the selection and sorting scheme in 248 * ssl_create_cipher_list() has only limited capabilities, reflecting 249 * that the different entities within are mutually exclusive: 250 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. 251 */ 252 #define SSL_MKEY_MASK 0x000000FFL 253 #define SSL_kRSA 0x00000001L /* RSA key exchange */ 254 #define SSL_kDHr 0x00000002L /* DH cert RSA CA cert */ 255 #define SSL_kDHd 0x00000004L /* DH cert DSA CA cert */ 256 #define SSL_kFZA 0x00000008L 257 #define SSL_kEDH 0x00000010L /* tmp DH key no DH cert */ 258 #define SSL_kKRB5 0x00000020L /* Kerberos5 key exchange */ 259 #define SSL_kECDH 0x00000040L /* ECDH w/ long-term keys */ 260 #define SSL_kECDHE 0x00000080L /* ephemeral ECDH */ 261 #define SSL_EDH (SSL_kEDH|(SSL_AUTH_MASK^SSL_aNULL)) 262 263 #define SSL_AUTH_MASK 0x00007F00L 264 #define SSL_aRSA 0x00000100L /* Authenticate with RSA */ 265 #define SSL_aDSS 0x00000200L /* Authenticate with DSS */ 266 #define SSL_DSS SSL_aDSS 267 #define SSL_aFZA 0x00000400L 268 #define SSL_aNULL 0x00000800L /* no Authenticate, ADH */ 269 #define SSL_aDH 0x00001000L /* no Authenticate, ADH */ 270 #define SSL_aKRB5 0x00002000L /* Authenticate with KRB5 */ 271 #define SSL_aECDSA 0x00004000L /* Authenticate with ECDSA */ 272 273 #define SSL_NULL (SSL_eNULL) 274 #define SSL_ADH (SSL_kEDH|SSL_aNULL) 275 #define SSL_RSA (SSL_kRSA|SSL_aRSA) 276 #define SSL_DH (SSL_kDHr|SSL_kDHd|SSL_kEDH) 277 #define SSL_ECDH (SSL_kECDH|SSL_kECDHE) 278 #define SSL_FZA (SSL_aFZA|SSL_kFZA|SSL_eFZA) 279 #define SSL_KRB5 (SSL_kKRB5|SSL_aKRB5) 280 281 #define SSL_ENC_MASK 0x1C3F8000L 282 #define SSL_DES 0x00008000L 283 #define SSL_3DES 0x00010000L 284 #define SSL_RC4 0x00020000L 285 #define SSL_RC2 0x00040000L 286 #define SSL_IDEA 0x00080000L 287 #define SSL_eFZA 0x00100000L 288 #define SSL_eNULL 0x00200000L 289 #define SSL_AES 0x04000000L 290 #define SSL_CAMELLIA 0x08000000L 291 #define SSL_SEED 0x10000000L 292 293 #define SSL_MAC_MASK 0x00c00000L 294 #define SSL_MD5 0x00400000L 295 #define SSL_SHA1 0x00800000L 296 #define SSL_SHA (SSL_SHA1) 297 298 #define SSL_SSL_MASK 0x03000000L 299 #define SSL_SSLV2 0x01000000L 300 #define SSL_SSLV3 0x02000000L 301 #define SSL_TLSV1 SSL_SSLV3 /* for now */ 302 303 /* we have used 1fffffff - 3 bits left to go. */ 304 305 /* 306 * Export and cipher strength information. For each cipher we have to decide 307 * whether it is exportable or not. This information is likely to change 308 * over time, since the export control rules are no static technical issue. 309 * 310 * Independent of the export flag the cipher strength is sorted into classes. 311 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now 312 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change 313 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more, 314 * since SSL_EXP64 could be similar to SSL_LOW. 315 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the 316 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed 317 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would 318 * be possible. 319 */ 320 #define SSL_EXP_MASK 0x00000003L 321 #define SSL_NOT_EXP 0x00000001L 322 #define SSL_EXPORT 0x00000002L 323 324 #define SSL_STRONG_MASK 0x000000fcL 325 #define SSL_STRONG_NONE 0x00000004L 326 #define SSL_EXP40 0x00000008L 327 #define SSL_MICRO (SSL_EXP40) 328 #define SSL_EXP56 0x00000010L 329 #define SSL_MINI (SSL_EXP56) 330 #define SSL_LOW 0x00000020L 331 #define SSL_MEDIUM 0x00000040L 332 #define SSL_HIGH 0x00000080L 333 334 /* we have used 000000ff - 24 bits left to go */ 335 336 /* 337 * Macros to check the export status and cipher strength for export ciphers. 338 * Even though the macros for EXPORT and EXPORT40/56 have similar names, 339 * their meaning is different: 340 * *_EXPORT macros check the 'exportable' status. 341 * *_EXPORT40/56 macros are used to check whether a certain cipher strength 342 * is given. 343 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct 344 * algorithm structure element to be passed (algorithms, algo_strength) and no 345 * typechecking can be done as they are all of type unsigned long, their 346 * direct usage is discouraged. 347 * Use the SSL_C_* macros instead. 348 */ 349 #define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT) 350 #define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56) 351 #define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40) 352 #define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength) 353 #define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength) 354 #define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength) 355 356 #define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \ 357 ((a)&SSL_ENC_MASK) == SSL_DES ? 8 : 7) 358 #define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024) 359 #define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithms, \ 360 (c)->algo_strength) 361 #define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) 362 363 364 #define SSL_ALL 0xffffffffL 365 #define SSL_ALL_CIPHERS (SSL_MKEY_MASK|SSL_AUTH_MASK|SSL_ENC_MASK|\ 366 SSL_MAC_MASK) 367 #define SSL_ALL_STRENGTHS (SSL_EXP_MASK|SSL_STRONG_MASK) 368 369 /* Mostly for SSLv3 */ 370 #define SSL_PKEY_RSA_ENC 0 371 #define SSL_PKEY_RSA_SIGN 1 372 #define SSL_PKEY_DSA_SIGN 2 373 #define SSL_PKEY_DH_RSA 3 374 #define SSL_PKEY_DH_DSA 4 375 #define SSL_PKEY_ECC 5 376 #define SSL_PKEY_NUM 6 377 378 /* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | 379 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) 380 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) 381 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN 382 * SSL_aRSA <- RSA_ENC | RSA_SIGN 383 * SSL_aDSS <- DSA_SIGN 384 */ 385 386 /* 387 #define CERT_INVALID 0 388 #define CERT_PUBLIC_KEY 1 389 #define CERT_PRIVATE_KEY 2 390 */ 391 392 #ifndef OPENSSL_NO_EC 393 /* From ECC-TLS draft, used in encoding the curve type in 394 * ECParameters 395 */ 396 #define EXPLICIT_PRIME_CURVE_TYPE 1 397 #define EXPLICIT_CHAR2_CURVE_TYPE 2 398 #define NAMED_CURVE_TYPE 3 399 #endif /* OPENSSL_NO_EC */ 400 401 typedef struct cert_pkey_st 402 { 403 X509 *x509; 404 EVP_PKEY *privatekey; 405 } CERT_PKEY; 406 407 typedef struct cert_st 408 { 409 /* Current active set */ 410 CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array 411 * Probably it would make more sense to store 412 * an index, not a pointer. */ 413 414 /* The following masks are for the key and auth 415 * algorithms that are supported by the certs below */ 416 int valid; 417 unsigned long mask; 418 unsigned long export_mask; 419 #ifndef OPENSSL_NO_RSA 420 RSA *rsa_tmp; 421 RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize); 422 #endif 423 #ifndef OPENSSL_NO_DH 424 DH *dh_tmp; 425 DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize); 426 #endif 427 #ifndef OPENSSL_NO_ECDH 428 EC_KEY *ecdh_tmp; 429 /* Callback for generating ephemeral ECDH keys */ 430 EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize); 431 #endif 432 433 CERT_PKEY pkeys[SSL_PKEY_NUM]; 434 435 int references; /* >1 only if SSL_copy_session_id is used */ 436 } CERT; 437 438 439 typedef struct sess_cert_st 440 { 441 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */ 442 443 /* The 'peer_...' members are used only by clients. */ 444 int peer_cert_type; 445 446 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */ 447 CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; 448 /* Obviously we don't have the private keys of these, 449 * so maybe we shouldn't even use the CERT_PKEY type here. */ 450 451 #ifndef OPENSSL_NO_RSA 452 RSA *peer_rsa_tmp; /* not used for SSL 2 */ 453 #endif 454 #ifndef OPENSSL_NO_DH 455 DH *peer_dh_tmp; /* not used for SSL 2 */ 456 #endif 457 #ifndef OPENSSL_NO_ECDH 458 EC_KEY *peer_ecdh_tmp; 459 #endif 460 461 int references; /* actually always 1 at the moment */ 462 } SESS_CERT; 463 464 465 /*#define MAC_DEBUG */ 466 467 /*#define ERR_DEBUG */ 468 /*#define ABORT_DEBUG */ 469 /*#define PKT_DEBUG 1 */ 470 /*#define DES_DEBUG */ 471 /*#define DES_OFB_DEBUG */ 472 /*#define SSL_DEBUG */ 473 /*#define RSA_DEBUG */ 474 /*#define IDEA_DEBUG */ 475 476 #define FP_ICC (int (*)(const void *,const void *)) 477 #define ssl_put_cipher_by_char(ssl,ciph,ptr) \ 478 ((ssl)->method->put_cipher_by_char((ciph),(ptr))) 479 #define ssl_get_cipher_by_char(ssl,ptr) \ 480 ((ssl)->method->get_cipher_by_char(ptr)) 481 482 /* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff 483 * It is a bit of a mess of functions, but hell, think of it as 484 * an opaque structure :-) */ 485 typedef struct ssl3_enc_method 486 { 487 int (*enc)(SSL *, int); 488 int (*mac)(SSL *, unsigned char *, int); 489 int (*setup_key_block)(SSL *); 490 int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int); 491 int (*change_cipher_state)(SSL *, int); 492 int (*final_finish_mac)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char *, int, unsigned char *); 493 int finish_mac_length; 494 int (*cert_verify_mac)(SSL *, EVP_MD_CTX *, unsigned char *); 495 const char *client_finished_label; 496 int client_finished_label_len; 497 const char *server_finished_label; 498 int server_finished_label_len; 499 int (*alert_value)(int); 500 } SSL3_ENC_METHOD; 501 502 /* Used for holding the relevant compression methods loaded into SSL_CTX */ 503 typedef struct ssl3_comp_st 504 { 505 int comp_id; /* The identifier byte for this compression type */ 506 char *name; /* Text name used for the compression type */ 507 COMP_METHOD *method; /* The method :-) */ 508 } SSL3_COMP; 509 510 extern SSL3_ENC_METHOD ssl3_undef_enc_method; 511 OPENSSL_EXTERN SSL_CIPHER ssl2_ciphers[]; 512 OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[]; 513 514 515 SSL_METHOD *ssl_bad_method(int ver); 516 SSL_METHOD *sslv2_base_method(void); 517 SSL_METHOD *sslv23_base_method(void); 518 SSL_METHOD *sslv3_base_method(void); 519 520 extern SSL3_ENC_METHOD TLSv1_enc_data; 521 extern SSL3_ENC_METHOD SSLv3_enc_data; 522 extern SSL3_ENC_METHOD DTLSv1_enc_data; 523 524 #define IMPLEMENT_tls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 525 SSL_METHOD *func_name(void) \ 526 { \ 527 static SSL_METHOD func_name##_data= { \ 528 TLS1_VERSION, \ 529 tls1_new, \ 530 tls1_clear, \ 531 tls1_free, \ 532 s_accept, \ 533 s_connect, \ 534 ssl3_read, \ 535 ssl3_peek, \ 536 ssl3_write, \ 537 ssl3_shutdown, \ 538 ssl3_renegotiate, \ 539 ssl3_renegotiate_check, \ 540 ssl3_get_message, \ 541 ssl3_read_bytes, \ 542 ssl3_write_bytes, \ 543 ssl3_dispatch_alert, \ 544 ssl3_ctrl, \ 545 ssl3_ctx_ctrl, \ 546 ssl3_get_cipher_by_char, \ 547 ssl3_put_cipher_by_char, \ 548 ssl3_pending, \ 549 ssl3_num_ciphers, \ 550 ssl3_get_cipher, \ 551 s_get_meth, \ 552 tls1_default_timeout, \ 553 &TLSv1_enc_data, \ 554 ssl_undefined_void_function, \ 555 ssl3_callback_ctrl, \ 556 ssl3_ctx_callback_ctrl, \ 557 }; \ 558 return &func_name##_data; \ 559 } 560 561 #define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 562 SSL_METHOD *func_name(void) \ 563 { \ 564 static SSL_METHOD func_name##_data= { \ 565 SSL3_VERSION, \ 566 ssl3_new, \ 567 ssl3_clear, \ 568 ssl3_free, \ 569 s_accept, \ 570 s_connect, \ 571 ssl3_read, \ 572 ssl3_peek, \ 573 ssl3_write, \ 574 ssl3_shutdown, \ 575 ssl3_renegotiate, \ 576 ssl3_renegotiate_check, \ 577 ssl3_get_message, \ 578 ssl3_read_bytes, \ 579 ssl3_write_bytes, \ 580 ssl3_dispatch_alert, \ 581 ssl3_ctrl, \ 582 ssl3_ctx_ctrl, \ 583 ssl3_get_cipher_by_char, \ 584 ssl3_put_cipher_by_char, \ 585 ssl3_pending, \ 586 ssl3_num_ciphers, \ 587 ssl3_get_cipher, \ 588 s_get_meth, \ 589 ssl3_default_timeout, \ 590 &SSLv3_enc_data, \ 591 ssl_undefined_void_function, \ 592 ssl3_callback_ctrl, \ 593 ssl3_ctx_callback_ctrl, \ 594 }; \ 595 return &func_name##_data; \ 596 } 597 598 #define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 599 SSL_METHOD *func_name(void) \ 600 { \ 601 static SSL_METHOD func_name##_data= { \ 602 TLS1_VERSION, \ 603 tls1_new, \ 604 tls1_clear, \ 605 tls1_free, \ 606 s_accept, \ 607 s_connect, \ 608 ssl23_read, \ 609 ssl23_peek, \ 610 ssl23_write, \ 611 ssl_undefined_function, \ 612 ssl_undefined_function, \ 613 ssl_ok, \ 614 ssl3_get_message, \ 615 ssl3_read_bytes, \ 616 ssl3_write_bytes, \ 617 ssl3_dispatch_alert, \ 618 ssl3_ctrl, \ 619 ssl3_ctx_ctrl, \ 620 ssl23_get_cipher_by_char, \ 621 ssl23_put_cipher_by_char, \ 622 ssl_undefined_const_function, \ 623 ssl23_num_ciphers, \ 624 ssl23_get_cipher, \ 625 s_get_meth, \ 626 ssl23_default_timeout, \ 627 &ssl3_undef_enc_method, \ 628 ssl_undefined_void_function, \ 629 ssl3_callback_ctrl, \ 630 ssl3_ctx_callback_ctrl, \ 631 }; \ 632 return &func_name##_data; \ 633 } 634 635 #define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 636 SSL_METHOD *func_name(void) \ 637 { \ 638 static SSL_METHOD func_name##_data= { \ 639 SSL2_VERSION, \ 640 ssl2_new, /* local */ \ 641 ssl2_clear, /* local */ \ 642 ssl2_free, /* local */ \ 643 s_accept, \ 644 s_connect, \ 645 ssl2_read, \ 646 ssl2_peek, \ 647 ssl2_write, \ 648 ssl2_shutdown, \ 649 ssl_ok, /* NULL - renegotiate */ \ 650 ssl_ok, /* NULL - check renegotiate */ \ 651 NULL, /* NULL - ssl_get_message */ \ 652 NULL, /* NULL - ssl_get_record */ \ 653 NULL, /* NULL - ssl_write_bytes */ \ 654 NULL, /* NULL - dispatch_alert */ \ 655 ssl2_ctrl, /* local */ \ 656 ssl2_ctx_ctrl, /* local */ \ 657 ssl2_get_cipher_by_char, \ 658 ssl2_put_cipher_by_char, \ 659 ssl2_pending, \ 660 ssl2_num_ciphers, \ 661 ssl2_get_cipher, \ 662 s_get_meth, \ 663 ssl2_default_timeout, \ 664 &ssl3_undef_enc_method, \ 665 ssl_undefined_void_function, \ 666 ssl2_callback_ctrl, /* local */ \ 667 ssl2_ctx_callback_ctrl, /* local */ \ 668 }; \ 669 return &func_name##_data; \ 670 } 671 672 #define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 673 SSL_METHOD *func_name(void) \ 674 { \ 675 static SSL_METHOD func_name##_data= { \ 676 DTLS1_VERSION, \ 677 dtls1_new, \ 678 dtls1_clear, \ 679 dtls1_free, \ 680 s_accept, \ 681 s_connect, \ 682 ssl3_read, \ 683 ssl3_peek, \ 684 ssl3_write, \ 685 ssl3_shutdown, \ 686 ssl3_renegotiate, \ 687 ssl3_renegotiate_check, \ 688 dtls1_get_message, \ 689 dtls1_read_bytes, \ 690 dtls1_write_app_data_bytes, \ 691 dtls1_dispatch_alert, \ 692 ssl3_ctrl, \ 693 ssl3_ctx_ctrl, \ 694 ssl3_get_cipher_by_char, \ 695 ssl3_put_cipher_by_char, \ 696 ssl3_pending, \ 697 ssl3_num_ciphers, \ 698 dtls1_get_cipher, \ 699 s_get_meth, \ 700 dtls1_default_timeout, \ 701 &DTLSv1_enc_data, \ 702 ssl_undefined_void_function, \ 703 ssl3_callback_ctrl, \ 704 ssl3_ctx_callback_ctrl, \ 705 }; \ 706 return &func_name##_data; \ 707 } 708 709 void ssl_clear_cipher_ctx(SSL *s); 710 int ssl_clear_bad_session(SSL *s); 711 CERT *ssl_cert_new(void); 712 CERT *ssl_cert_dup(CERT *cert); 713 int ssl_cert_inst(CERT **o); 714 void ssl_cert_free(CERT *c); 715 SESS_CERT *ssl_sess_cert_new(void); 716 void ssl_sess_cert_free(SESS_CERT *sc); 717 int ssl_set_peer_cert_type(SESS_CERT *c, int type); 718 int ssl_get_new_session(SSL *s, int session); 719 int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit); 720 int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b); 721 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap, 722 const SSL_CIPHER * const *bp); 723 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num, 724 STACK_OF(SSL_CIPHER) **skp); 725 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p, 726 int (*put_cb)(const SSL_CIPHER *, unsigned char *)); 727 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, 728 STACK_OF(SSL_CIPHER) **pref, 729 STACK_OF(SSL_CIPHER) **sorted, 730 const char *rule_str); 731 void ssl_update_cache(SSL *s, int mode); 732 int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc, 733 const EVP_MD **md,SSL_COMP **comp); 734 int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk); 735 int ssl_undefined_function(SSL *s); 736 int ssl_undefined_void_function(void); 737 int ssl_undefined_const_function(const SSL *s); 738 X509 *ssl_get_server_send_cert(SSL *); 739 EVP_PKEY *ssl_get_sign_pkey(SSL *,SSL_CIPHER *); 740 int ssl_cert_type(X509 *x,EVP_PKEY *pkey); 741 void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher); 742 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); 743 int ssl_verify_alarm_type(long type); 744 void ssl_load_ciphers(void); 745 746 int ssl2_enc_init(SSL *s, int client); 747 int ssl2_generate_key_material(SSL *s); 748 void ssl2_enc(SSL *s,int send_data); 749 void ssl2_mac(SSL *s,unsigned char *mac,int send_data); 750 SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p); 751 int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); 752 int ssl2_part_read(SSL *s, unsigned long f, int i); 753 int ssl2_do_write(SSL *s); 754 int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data); 755 void ssl2_return_error(SSL *s,int reason); 756 void ssl2_write_error(SSL *s); 757 int ssl2_num_ciphers(void); 758 SSL_CIPHER *ssl2_get_cipher(unsigned int u); 759 int ssl2_new(SSL *s); 760 void ssl2_free(SSL *s); 761 int ssl2_accept(SSL *s); 762 int ssl2_connect(SSL *s); 763 int ssl2_read(SSL *s, void *buf, int len); 764 int ssl2_peek(SSL *s, void *buf, int len); 765 int ssl2_write(SSL *s, const void *buf, int len); 766 int ssl2_shutdown(SSL *s); 767 void ssl2_clear(SSL *s); 768 long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg); 769 long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); 770 long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 771 long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); 772 int ssl2_pending(const SSL *s); 773 long ssl2_default_timeout(void ); 774 775 SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); 776 int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); 777 void ssl3_init_finished_mac(SSL *s); 778 int ssl3_send_server_certificate(SSL *s); 779 int ssl3_send_newsession_ticket(SSL *s); 780 int ssl3_send_cert_status(SSL *s); 781 int ssl3_get_finished(SSL *s,int state_a,int state_b); 782 int ssl3_setup_key_block(SSL *s); 783 int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b); 784 int ssl3_change_cipher_state(SSL *s,int which); 785 void ssl3_cleanup_key_block(SSL *s); 786 int ssl3_do_write(SSL *s,int type); 787 void ssl3_send_alert(SSL *s,int level, int desc); 788 int ssl3_generate_master_secret(SSL *s, unsigned char *out, 789 unsigned char *p, int len); 790 int ssl3_get_req_cert_type(SSL *s,unsigned char *p); 791 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 792 int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen); 793 int ssl3_num_ciphers(void); 794 SSL_CIPHER *ssl3_get_cipher(unsigned int u); 795 int ssl3_renegotiate(SSL *ssl); 796 int ssl3_renegotiate_check(SSL *ssl); 797 int ssl3_dispatch_alert(SSL *s); 798 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 799 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); 800 int ssl3_final_finish_mac(SSL *s, EVP_MD_CTX *ctx1, EVP_MD_CTX *ctx2, 801 const char *sender, int slen,unsigned char *p); 802 int ssl3_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p); 803 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); 804 int ssl3_enc(SSL *s, int send_data); 805 int ssl3_mac(SSL *ssl, unsigned char *md, int send_data); 806 unsigned long ssl3_output_cert_chain(SSL *s, X509 *x); 807 SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt, 808 STACK_OF(SSL_CIPHER) *srvr); 809 int ssl3_setup_buffers(SSL *s); 810 int ssl3_new(SSL *s); 811 void ssl3_free(SSL *s); 812 int ssl3_accept(SSL *s); 813 int ssl3_connect(SSL *s); 814 int ssl3_read(SSL *s, void *buf, int len); 815 int ssl3_peek(SSL *s, void *buf, int len); 816 int ssl3_write(SSL *s, const void *buf, int len); 817 int ssl3_shutdown(SSL *s); 818 void ssl3_clear(SSL *s); 819 long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg); 820 long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); 821 long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 822 long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); 823 int ssl3_pending(const SSL *s); 824 825 void ssl3_record_sequence_update(unsigned char *seq); 826 int ssl3_do_change_cipher_spec(SSL *ssl); 827 long ssl3_default_timeout(void ); 828 829 int ssl23_num_ciphers(void ); 830 SSL_CIPHER *ssl23_get_cipher(unsigned int u); 831 int ssl23_read(SSL *s, void *buf, int len); 832 int ssl23_peek(SSL *s, void *buf, int len); 833 int ssl23_write(SSL *s, const void *buf, int len); 834 int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 835 SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); 836 long ssl23_default_timeout(void ); 837 838 long tls1_default_timeout(void); 839 int dtls1_do_write(SSL *s,int type); 840 int ssl3_read_n(SSL *s, int n, int max, int extend); 841 int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 842 int ssl3_do_compress(SSL *ssl); 843 int ssl3_do_uncompress(SSL *ssl); 844 int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, 845 unsigned int len); 846 unsigned char *dtls1_set_message_header(SSL *s, 847 unsigned char *p, unsigned char mt, unsigned long len, 848 unsigned long frag_off, unsigned long frag_len); 849 850 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); 851 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); 852 853 int dtls1_send_change_cipher_spec(SSL *s, int a, int b); 854 int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen); 855 unsigned long dtls1_output_cert_chain(SSL *s, X509 *x); 856 int dtls1_read_failed(SSL *s, int code); 857 int dtls1_buffer_message(SSL *s, int ccs); 858 int dtls1_retransmit_message(SSL *s, unsigned short seq, 859 unsigned long frag_off, int *found); 860 void dtls1_clear_record_buffer(SSL *s); 861 void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr); 862 void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); 863 void dtls1_reset_seq_numbers(SSL *s, int rw); 864 long dtls1_default_timeout(void); 865 SSL_CIPHER *dtls1_get_cipher(unsigned int u); 866 867 868 869 /* some client-only functions */ 870 int ssl3_client_hello(SSL *s); 871 int ssl3_get_server_hello(SSL *s); 872 int ssl3_get_certificate_request(SSL *s); 873 int ssl3_get_new_session_ticket(SSL *s); 874 int ssl3_get_cert_status(SSL *s); 875 int ssl3_get_server_done(SSL *s); 876 int ssl3_send_client_verify(SSL *s); 877 int ssl3_send_client_certificate(SSL *s); 878 int ssl3_send_client_key_exchange(SSL *s); 879 int ssl3_get_key_exchange(SSL *s); 880 int ssl3_get_server_certificate(SSL *s); 881 int ssl3_check_cert_and_algorithm(SSL *s); 882 883 int dtls1_client_hello(SSL *s); 884 int dtls1_send_client_certificate(SSL *s); 885 int dtls1_send_client_key_exchange(SSL *s); 886 int dtls1_send_client_verify(SSL *s); 887 888 /* some server-only functions */ 889 int ssl3_get_client_hello(SSL *s); 890 int ssl3_send_server_hello(SSL *s); 891 int ssl3_send_hello_request(SSL *s); 892 int ssl3_send_server_key_exchange(SSL *s); 893 int ssl3_send_certificate_request(SSL *s); 894 int ssl3_send_server_done(SSL *s); 895 int ssl3_check_client_hello(SSL *s); 896 int ssl3_get_client_certificate(SSL *s); 897 int ssl3_get_client_key_exchange(SSL *s); 898 int ssl3_get_cert_verify(SSL *s); 899 900 int dtls1_send_hello_request(SSL *s); 901 int dtls1_send_server_hello(SSL *s); 902 int dtls1_send_server_certificate(SSL *s); 903 int dtls1_send_server_key_exchange(SSL *s); 904 int dtls1_send_certificate_request(SSL *s); 905 int dtls1_send_server_done(SSL *s); 906 907 908 909 int ssl23_accept(SSL *s); 910 int ssl23_connect(SSL *s); 911 int ssl23_read_bytes(SSL *s, int n); 912 int ssl23_write_bytes(SSL *s); 913 914 int tls1_new(SSL *s); 915 void tls1_free(SSL *s); 916 void tls1_clear(SSL *s); 917 long tls1_ctrl(SSL *s,int cmd, long larg, void *parg); 918 long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 919 SSL_METHOD *tlsv1_base_method(void ); 920 921 int dtls1_new(SSL *s); 922 int dtls1_accept(SSL *s); 923 int dtls1_connect(SSL *s); 924 void dtls1_free(SSL *s); 925 void dtls1_clear(SSL *s); 926 long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg); 927 SSL_METHOD *dtlsv1_base_method(void ); 928 929 long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 930 int dtls1_get_record(SSL *s); 931 int do_dtls1_write(SSL *s, int type, const unsigned char *buf, 932 unsigned int len, int create_empty_fragement); 933 int dtls1_dispatch_alert(SSL *s); 934 int dtls1_enc(SSL *s, int snd); 935 936 int ssl_init_wbio_buffer(SSL *s, int push); 937 void ssl_free_wbio_buffer(SSL *s); 938 939 int tls1_change_cipher_state(SSL *s, int which); 940 int tls1_setup_key_block(SSL *s); 941 int tls1_enc(SSL *s, int snd); 942 int tls1_final_finish_mac(SSL *s, EVP_MD_CTX *in1_ctx, EVP_MD_CTX *in2_ctx, 943 const char *str, int slen, unsigned char *p); 944 int tls1_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p); 945 int tls1_mac(SSL *ssl, unsigned char *md, int snd); 946 int tls1_generate_master_secret(SSL *s, unsigned char *out, 947 unsigned char *p, int len); 948 int tls1_alert_code(int code); 949 int ssl3_alert_code(int code); 950 int ssl_ok(SSL *s); 951 952 int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs); 953 954 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); 955 956 #ifndef OPENSSL_NO_TLSEXT 957 unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); 958 unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); 959 int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); 960 int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); 961 int ssl_prepare_clienthello_tlsext(SSL *s); 962 int ssl_prepare_serverhello_tlsext(SSL *s); 963 int ssl_check_clienthello_tlsext(SSL *s); 964 int ssl_check_serverhello_tlsext(SSL *s); 965 #ifdef OPENSSL_NO_SHA256 966 #define tlsext_tick_md EVP_sha1 967 #else 968 #define tlsext_tick_md EVP_sha256 969 #endif 970 int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, 971 const unsigned char *limit, SSL_SESSION **ret); 972 EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ; 973 void ssl_clear_hash_ctx(EVP_MD_CTX **hash); 974 #endif 975 976 #endif 977