1 /* 2 * SSL/TLS interface definition 3 * Copyright (c) 2004-2013, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #ifndef TLS_H 10 #define TLS_H 11 12 struct tls_connection; 13 14 struct tls_random { 15 const u8 *client_random; 16 size_t client_random_len; 17 const u8 *server_random; 18 size_t server_random_len; 19 }; 20 21 enum tls_event { 22 TLS_CERT_CHAIN_SUCCESS, 23 TLS_CERT_CHAIN_FAILURE, 24 TLS_PEER_CERTIFICATE, 25 TLS_ALERT 26 }; 27 28 /* 29 * Note: These are used as identifier with external programs and as such, the 30 * values must not be changed. 31 */ 32 enum tls_fail_reason { 33 TLS_FAIL_UNSPECIFIED = 0, 34 TLS_FAIL_UNTRUSTED = 1, 35 TLS_FAIL_REVOKED = 2, 36 TLS_FAIL_NOT_YET_VALID = 3, 37 TLS_FAIL_EXPIRED = 4, 38 TLS_FAIL_SUBJECT_MISMATCH = 5, 39 TLS_FAIL_ALTSUBJECT_MISMATCH = 6, 40 TLS_FAIL_BAD_CERTIFICATE = 7, 41 TLS_FAIL_SERVER_CHAIN_PROBE = 8, 42 TLS_FAIL_DOMAIN_SUFFIX_MISMATCH = 9, 43 TLS_FAIL_DOMAIN_MISMATCH = 10, 44 TLS_FAIL_INSUFFICIENT_KEY_LEN = 11, 45 }; 46 47 48 #define TLS_MAX_ALT_SUBJECT 10 49 50 union tls_event_data { 51 struct { 52 int depth; 53 const char *subject; 54 enum tls_fail_reason reason; 55 const char *reason_txt; 56 const struct wpabuf *cert; 57 } cert_fail; 58 59 struct { 60 int depth; 61 const char *subject; 62 const struct wpabuf *cert; 63 const u8 *hash; 64 size_t hash_len; 65 const char *altsubject[TLS_MAX_ALT_SUBJECT]; 66 int num_altsubject; 67 const char *serial_num; 68 } peer_cert; 69 70 struct { 71 int is_local; 72 const char *type; 73 const char *description; 74 } alert; 75 }; 76 77 struct tls_config { 78 const char *opensc_engine_path; 79 const char *pkcs11_engine_path; 80 const char *pkcs11_module_path; 81 int fips_mode; 82 int cert_in_cb; 83 const char *openssl_ciphers; 84 unsigned int tls_session_lifetime; 85 unsigned int tls_flags; 86 87 void (*event_cb)(void *ctx, enum tls_event ev, 88 union tls_event_data *data); 89 void *cb_ctx; 90 }; 91 92 #define TLS_CONN_ALLOW_SIGN_RSA_MD5 BIT(0) 93 #define TLS_CONN_DISABLE_TIME_CHECKS BIT(1) 94 #define TLS_CONN_DISABLE_SESSION_TICKET BIT(2) 95 #define TLS_CONN_REQUEST_OCSP BIT(3) 96 #define TLS_CONN_REQUIRE_OCSP BIT(4) 97 #define TLS_CONN_DISABLE_TLSv1_1 BIT(5) 98 #define TLS_CONN_DISABLE_TLSv1_2 BIT(6) 99 #define TLS_CONN_EAP_FAST BIT(7) 100 #define TLS_CONN_DISABLE_TLSv1_0 BIT(8) 101 #define TLS_CONN_EXT_CERT_CHECK BIT(9) 102 #define TLS_CONN_REQUIRE_OCSP_ALL BIT(10) 103 #define TLS_CONN_SUITEB BIT(11) 104 #define TLS_CONN_SUITEB_NO_ECDH BIT(12) 105 #define TLS_CONN_DISABLE_TLSv1_3 BIT(13) 106 107 /** 108 * struct tls_connection_params - Parameters for TLS connection 109 * @ca_cert: File or reference name for CA X.509 certificate in PEM or DER 110 * format 111 * @ca_cert_blob: ca_cert as inlined data or %NULL if not used 112 * @ca_cert_blob_len: ca_cert_blob length 113 * @ca_path: Path to CA certificates (OpenSSL specific) 114 * @subject_match: String to match in the subject of the peer certificate or 115 * %NULL to allow all subjects 116 * @altsubject_match: String to match in the alternative subject of the peer 117 * certificate or %NULL to allow all alternative subjects 118 * @suffix_match: String to suffix match in the dNSName or CN of the peer 119 * certificate or %NULL to allow all domain names. This may allow subdomains an 120 * wildcard certificates. Each domain name label must have a full match. 121 * @domain_match: String to match in the dNSName or CN of the peer 122 * certificate or %NULL to allow all domain names. This requires a full, 123 * case-insensitive match. 124 * @client_cert: File or reference name for client X.509 certificate in PEM or 125 * DER format 126 * @client_cert_blob: client_cert as inlined data or %NULL if not used 127 * @client_cert_blob_len: client_cert_blob length 128 * @private_key: File or reference name for client private key in PEM or DER 129 * format (traditional format (RSA PRIVATE KEY) or PKCS#8 (PRIVATE KEY) 130 * @private_key_blob: private_key as inlined data or %NULL if not used 131 * @private_key_blob_len: private_key_blob length 132 * @private_key_passwd: Passphrase for decrypted private key, %NULL if no 133 * passphrase is used. 134 * @dh_file: File name for DH/DSA data in PEM format, or %NULL if not used 135 * @dh_blob: dh_file as inlined data or %NULL if not used 136 * @dh_blob_len: dh_blob length 137 * @engine: 1 = use engine (e.g., a smartcard) for private key operations 138 * (this is OpenSSL specific for now) 139 * @engine_id: engine id string (this is OpenSSL specific for now) 140 * @ppin: pointer to the pin variable in the configuration 141 * (this is OpenSSL specific for now) 142 * @key_id: the private key's id when using engine (this is OpenSSL 143 * specific for now) 144 * @cert_id: the certificate's id when using engine 145 * @ca_cert_id: the CA certificate's id when using engine 146 * @openssl_ciphers: OpenSSL cipher configuration 147 * @flags: Parameter options (TLS_CONN_*) 148 * @ocsp_stapling_response: DER encoded file with cached OCSP stapling response 149 * or %NULL if OCSP is not enabled 150 * @ocsp_stapling_response_multi: DER encoded file with cached OCSP stapling 151 * response list (OCSPResponseList for ocsp_multi in RFC 6961) or %NULL if 152 * ocsp_multi is not enabled 153 * 154 * TLS connection parameters to be configured with tls_connection_set_params() 155 * and tls_global_set_params(). 156 * 157 * Certificates and private key can be configured either as a reference name 158 * (file path or reference to certificate store) or by providing the same data 159 * as a pointer to the data in memory. Only one option will be used for each 160 * field. 161 */ 162 struct tls_connection_params { 163 const char *ca_cert; 164 const u8 *ca_cert_blob; 165 size_t ca_cert_blob_len; 166 const char *ca_path; 167 const char *subject_match; 168 const char *altsubject_match; 169 const char *suffix_match; 170 const char *domain_match; 171 const char *client_cert; 172 const u8 *client_cert_blob; 173 size_t client_cert_blob_len; 174 const char *private_key; 175 const u8 *private_key_blob; 176 size_t private_key_blob_len; 177 const char *private_key_passwd; 178 const char *dh_file; 179 const u8 *dh_blob; 180 size_t dh_blob_len; 181 182 /* OpenSSL specific variables */ 183 int engine; 184 const char *engine_id; 185 const char *pin; 186 const char *key_id; 187 const char *cert_id; 188 const char *ca_cert_id; 189 const char *openssl_ciphers; 190 191 unsigned int flags; 192 const char *ocsp_stapling_response; 193 const char *ocsp_stapling_response_multi; 194 }; 195 196 197 /** 198 * tls_init - Initialize TLS library 199 * @conf: Configuration data for TLS library 200 * Returns: Context data to be used as tls_ctx in calls to other functions, 201 * or %NULL on failure. 202 * 203 * Called once during program startup and once for each RSN pre-authentication 204 * session. In other words, there can be two concurrent TLS contexts. If global 205 * library initialization is needed (i.e., one that is shared between both 206 * authentication types), the TLS library wrapper should maintain a reference 207 * counter and do global initialization only when moving from 0 to 1 reference. 208 */ 209 void * tls_init(const struct tls_config *conf); 210 211 /** 212 * tls_deinit - Deinitialize TLS library 213 * @tls_ctx: TLS context data from tls_init() 214 * 215 * Called once during program shutdown and once for each RSN pre-authentication 216 * session. If global library deinitialization is needed (i.e., one that is 217 * shared between both authentication types), the TLS library wrapper should 218 * maintain a reference counter and do global deinitialization only when moving 219 * from 1 to 0 references. 220 */ 221 void tls_deinit(void *tls_ctx); 222 223 /** 224 * tls_get_errors - Process pending errors 225 * @tls_ctx: TLS context data from tls_init() 226 * Returns: Number of found error, 0 if no errors detected. 227 * 228 * Process all pending TLS errors. 229 */ 230 int tls_get_errors(void *tls_ctx); 231 232 /** 233 * tls_connection_init - Initialize a new TLS connection 234 * @tls_ctx: TLS context data from tls_init() 235 * Returns: Connection context data, conn for other function calls 236 */ 237 struct tls_connection * tls_connection_init(void *tls_ctx); 238 239 /** 240 * tls_connection_deinit - Free TLS connection data 241 * @tls_ctx: TLS context data from tls_init() 242 * @conn: Connection context data from tls_connection_init() 243 * 244 * Release all resources allocated for TLS connection. 245 */ 246 void tls_connection_deinit(void *tls_ctx, struct tls_connection *conn); 247 248 /** 249 * tls_connection_established - Has the TLS connection been completed? 250 * @tls_ctx: TLS context data from tls_init() 251 * @conn: Connection context data from tls_connection_init() 252 * Returns: 1 if TLS connection has been completed, 0 if not. 253 */ 254 int tls_connection_established(void *tls_ctx, struct tls_connection *conn); 255 256 /** 257 * tls_connection_peer_serial_num - Fetch peer certificate serial number 258 * @tls_ctx: TLS context data from tls_init() 259 * @conn: Connection context data from tls_connection_init() 260 * Returns: Allocated string buffer containing the peer certificate serial 261 * number or %NULL on error. 262 * 263 * The caller is responsible for freeing the returned buffer with os_free(). 264 */ 265 char * tls_connection_peer_serial_num(void *tls_ctx, 266 struct tls_connection *conn); 267 268 /** 269 * tls_connection_shutdown - Shutdown TLS connection 270 * @tls_ctx: TLS context data from tls_init() 271 * @conn: Connection context data from tls_connection_init() 272 * Returns: 0 on success, -1 on failure 273 * 274 * Shutdown current TLS connection without releasing all resources. New 275 * connection can be started by using the same conn without having to call 276 * tls_connection_init() or setting certificates etc. again. The new 277 * connection should try to use session resumption. 278 */ 279 int tls_connection_shutdown(void *tls_ctx, struct tls_connection *conn); 280 281 enum { 282 TLS_SET_PARAMS_ENGINE_PRV_BAD_PIN = -4, 283 TLS_SET_PARAMS_ENGINE_PRV_VERIFY_FAILED = -3, 284 TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED = -2 285 }; 286 287 /** 288 * tls_connection_set_params - Set TLS connection parameters 289 * @tls_ctx: TLS context data from tls_init() 290 * @conn: Connection context data from tls_connection_init() 291 * @params: Connection parameters 292 * Returns: 0 on success, -1 on failure, 293 * TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED (-2) on error causing PKCS#11 engine 294 * failure, or 295 * TLS_SET_PARAMS_ENGINE_PRV_VERIFY_FAILED (-3) on failure to verify the 296 * PKCS#11 engine private key, or 297 * TLS_SET_PARAMS_ENGINE_PRV_BAD_PIN (-4) on PIN error causing PKCS#11 engine 298 * failure. 299 */ 300 int __must_check 301 tls_connection_set_params(void *tls_ctx, struct tls_connection *conn, 302 const struct tls_connection_params *params); 303 304 /** 305 * tls_global_set_params - Set TLS parameters for all TLS connection 306 * @tls_ctx: TLS context data from tls_init() 307 * @params: Global TLS parameters 308 * Returns: 0 on success, -1 on failure, 309 * TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED (-2) on error causing PKCS#11 engine 310 * failure, or 311 * TLS_SET_PARAMS_ENGINE_PRV_VERIFY_FAILED (-3) on failure to verify the 312 * PKCS#11 engine private key, or 313 * TLS_SET_PARAMS_ENGINE_PRV_BAD_PIN (-4) on PIN error causing PKCS#11 engine 314 * failure. 315 */ 316 int __must_check tls_global_set_params( 317 void *tls_ctx, const struct tls_connection_params *params); 318 319 /** 320 * tls_global_set_verify - Set global certificate verification options 321 * @tls_ctx: TLS context data from tls_init() 322 * @check_crl: 0 = do not verify CRLs, 1 = verify CRL for the user certificate, 323 * 2 = verify CRL for all certificates 324 * Returns: 0 on success, -1 on failure 325 */ 326 int __must_check tls_global_set_verify(void *tls_ctx, int check_crl); 327 328 /** 329 * tls_connection_set_verify - Set certificate verification options 330 * @tls_ctx: TLS context data from tls_init() 331 * @conn: Connection context data from tls_connection_init() 332 * @verify_peer: 1 = verify peer certificate 333 * @flags: Connection flags (TLS_CONN_*) 334 * @session_ctx: Session caching context or %NULL to use default 335 * @session_ctx_len: Length of @session_ctx in bytes. 336 * Returns: 0 on success, -1 on failure 337 */ 338 int __must_check tls_connection_set_verify(void *tls_ctx, 339 struct tls_connection *conn, 340 int verify_peer, 341 unsigned int flags, 342 const u8 *session_ctx, 343 size_t session_ctx_len); 344 345 /** 346 * tls_connection_get_random - Get random data from TLS connection 347 * @tls_ctx: TLS context data from tls_init() 348 * @conn: Connection context data from tls_connection_init() 349 * @data: Structure of client/server random data (filled on success) 350 * Returns: 0 on success, -1 on failure 351 */ 352 int __must_check tls_connection_get_random(void *tls_ctx, 353 struct tls_connection *conn, 354 struct tls_random *data); 355 356 /** 357 * tls_connection_export_key - Derive keying material from a TLS connection 358 * @tls_ctx: TLS context data from tls_init() 359 * @conn: Connection context data from tls_connection_init() 360 * @label: Label (e.g., description of the key) for PRF 361 * @out: Buffer for output data from TLS-PRF 362 * @out_len: Length of the output buffer 363 * Returns: 0 on success, -1 on failure 364 * 365 * Exports keying material using the mechanism described in RFC 5705. 366 */ 367 int __must_check tls_connection_export_key(void *tls_ctx, 368 struct tls_connection *conn, 369 const char *label, 370 u8 *out, size_t out_len); 371 372 /** 373 * tls_connection_get_eap_fast_key - Derive key material for EAP-FAST 374 * @tls_ctx: TLS context data from tls_init() 375 * @conn: Connection context data from tls_connection_init() 376 * @out: Buffer for output data from TLS-PRF 377 * @out_len: Length of the output buffer 378 * Returns: 0 on success, -1 on failure 379 * 380 * Exports key material after the normal TLS key block for use with 381 * EAP-FAST. Most callers will want tls_connection_export_key(), but EAP-FAST 382 * uses a different legacy mechanism. 383 */ 384 int __must_check tls_connection_get_eap_fast_key(void *tls_ctx, 385 struct tls_connection *conn, 386 u8 *out, size_t out_len); 387 388 /** 389 * tls_connection_handshake - Process TLS handshake (client side) 390 * @tls_ctx: TLS context data from tls_init() 391 * @conn: Connection context data from tls_connection_init() 392 * @in_data: Input data from TLS server 393 * @appl_data: Pointer to application data pointer, or %NULL if dropped 394 * Returns: Output data, %NULL on failure 395 * 396 * The caller is responsible for freeing the returned output data. If the final 397 * handshake message includes application data, this is decrypted and 398 * appl_data (if not %NULL) is set to point this data. The caller is 399 * responsible for freeing appl_data. 400 * 401 * This function is used during TLS handshake. The first call is done with 402 * in_data == %NULL and the library is expected to return ClientHello packet. 403 * This packet is then send to the server and a response from server is given 404 * to TLS library by calling this function again with in_data pointing to the 405 * TLS message from the server. 406 * 407 * If the TLS handshake fails, this function may return %NULL. However, if the 408 * TLS library has a TLS alert to send out, that should be returned as the 409 * output data. In this case, tls_connection_get_failed() must return failure 410 * (> 0). 411 * 412 * tls_connection_established() should return 1 once the TLS handshake has been 413 * completed successfully. 414 */ 415 struct wpabuf * tls_connection_handshake(void *tls_ctx, 416 struct tls_connection *conn, 417 const struct wpabuf *in_data, 418 struct wpabuf **appl_data); 419 420 struct wpabuf * tls_connection_handshake2(void *tls_ctx, 421 struct tls_connection *conn, 422 const struct wpabuf *in_data, 423 struct wpabuf **appl_data, 424 int *more_data_needed); 425 426 /** 427 * tls_connection_server_handshake - Process TLS handshake (server side) 428 * @tls_ctx: TLS context data from tls_init() 429 * @conn: Connection context data from tls_connection_init() 430 * @in_data: Input data from TLS peer 431 * @appl_data: Pointer to application data pointer, or %NULL if dropped 432 * Returns: Output data, %NULL on failure 433 * 434 * The caller is responsible for freeing the returned output data. 435 */ 436 struct wpabuf * tls_connection_server_handshake(void *tls_ctx, 437 struct tls_connection *conn, 438 const struct wpabuf *in_data, 439 struct wpabuf **appl_data); 440 441 /** 442 * tls_connection_encrypt - Encrypt data into TLS tunnel 443 * @tls_ctx: TLS context data from tls_init() 444 * @conn: Connection context data from tls_connection_init() 445 * @in_data: Plaintext data to be encrypted 446 * Returns: Encrypted TLS data or %NULL on failure 447 * 448 * This function is used after TLS handshake has been completed successfully to 449 * send data in the encrypted tunnel. The caller is responsible for freeing the 450 * returned output data. 451 */ 452 struct wpabuf * tls_connection_encrypt(void *tls_ctx, 453 struct tls_connection *conn, 454 const struct wpabuf *in_data); 455 456 /** 457 * tls_connection_decrypt - Decrypt data from TLS tunnel 458 * @tls_ctx: TLS context data from tls_init() 459 * @conn: Connection context data from tls_connection_init() 460 * @in_data: Encrypted TLS data 461 * Returns: Decrypted TLS data or %NULL on failure 462 * 463 * This function is used after TLS handshake has been completed successfully to 464 * receive data from the encrypted tunnel. The caller is responsible for 465 * freeing the returned output data. 466 */ 467 struct wpabuf * tls_connection_decrypt(void *tls_ctx, 468 struct tls_connection *conn, 469 const struct wpabuf *in_data); 470 471 struct wpabuf * tls_connection_decrypt2(void *tls_ctx, 472 struct tls_connection *conn, 473 const struct wpabuf *in_data, 474 int *more_data_needed); 475 476 /** 477 * tls_connection_resumed - Was session resumption used 478 * @tls_ctx: TLS context data from tls_init() 479 * @conn: Connection context data from tls_connection_init() 480 * Returns: 1 if current session used session resumption, 0 if not 481 */ 482 int tls_connection_resumed(void *tls_ctx, struct tls_connection *conn); 483 484 enum { 485 TLS_CIPHER_NONE, 486 TLS_CIPHER_RC4_SHA /* 0x0005 */, 487 TLS_CIPHER_AES128_SHA /* 0x002f */, 488 TLS_CIPHER_RSA_DHE_AES128_SHA /* 0x0031 */, 489 TLS_CIPHER_ANON_DH_AES128_SHA /* 0x0034 */, 490 TLS_CIPHER_RSA_DHE_AES256_SHA /* 0x0039 */, 491 TLS_CIPHER_AES256_SHA /* 0x0035 */, 492 }; 493 494 /** 495 * tls_connection_set_cipher_list - Configure acceptable cipher suites 496 * @tls_ctx: TLS context data from tls_init() 497 * @conn: Connection context data from tls_connection_init() 498 * @ciphers: Zero (TLS_CIPHER_NONE) terminated list of allowed ciphers 499 * (TLS_CIPHER_*). 500 * Returns: 0 on success, -1 on failure 501 */ 502 int __must_check tls_connection_set_cipher_list(void *tls_ctx, 503 struct tls_connection *conn, 504 u8 *ciphers); 505 506 /** 507 * tls_get_version - Get the current TLS version number 508 * @tls_ctx: TLS context data from tls_init() 509 * @conn: Connection context data from tls_connection_init() 510 * @buf: Buffer for returning the TLS version number 511 * @buflen: buf size 512 * Returns: 0 on success, -1 on failure 513 * 514 * Get the currently used TLS version number. 515 */ 516 int __must_check tls_get_version(void *tls_ctx, struct tls_connection *conn, 517 char *buf, size_t buflen); 518 519 /** 520 * tls_get_cipher - Get current cipher name 521 * @tls_ctx: TLS context data from tls_init() 522 * @conn: Connection context data from tls_connection_init() 523 * @buf: Buffer for the cipher name 524 * @buflen: buf size 525 * Returns: 0 on success, -1 on failure 526 * 527 * Get the name of the currently used cipher. 528 */ 529 int __must_check tls_get_cipher(void *tls_ctx, struct tls_connection *conn, 530 char *buf, size_t buflen); 531 532 /** 533 * tls_connection_enable_workaround - Enable TLS workaround options 534 * @tls_ctx: TLS context data from tls_init() 535 * @conn: Connection context data from tls_connection_init() 536 * Returns: 0 on success, -1 on failure 537 * 538 * This function is used to enable connection-specific workaround options for 539 * buffer SSL/TLS implementations. 540 */ 541 int __must_check tls_connection_enable_workaround(void *tls_ctx, 542 struct tls_connection *conn); 543 544 /** 545 * tls_connection_client_hello_ext - Set TLS extension for ClientHello 546 * @tls_ctx: TLS context data from tls_init() 547 * @conn: Connection context data from tls_connection_init() 548 * @ext_type: Extension type 549 * @data: Extension payload (%NULL to remove extension) 550 * @data_len: Extension payload length 551 * Returns: 0 on success, -1 on failure 552 */ 553 int __must_check tls_connection_client_hello_ext(void *tls_ctx, 554 struct tls_connection *conn, 555 int ext_type, const u8 *data, 556 size_t data_len); 557 558 /** 559 * tls_connection_get_failed - Get connection failure status 560 * @tls_ctx: TLS context data from tls_init() 561 * @conn: Connection context data from tls_connection_init() 562 * 563 * Returns >0 if connection has failed, 0 if not. 564 */ 565 int tls_connection_get_failed(void *tls_ctx, struct tls_connection *conn); 566 567 /** 568 * tls_connection_get_read_alerts - Get connection read alert status 569 * @tls_ctx: TLS context data from tls_init() 570 * @conn: Connection context data from tls_connection_init() 571 * Returns: Number of times a fatal read (remote end reported error) has 572 * happened during this connection. 573 */ 574 int tls_connection_get_read_alerts(void *tls_ctx, struct tls_connection *conn); 575 576 /** 577 * tls_connection_get_write_alerts - Get connection write alert status 578 * @tls_ctx: TLS context data from tls_init() 579 * @conn: Connection context data from tls_connection_init() 580 * Returns: Number of times a fatal write (locally detected error) has happened 581 * during this connection. 582 */ 583 int tls_connection_get_write_alerts(void *tls_ctx, 584 struct tls_connection *conn); 585 586 typedef int (*tls_session_ticket_cb) 587 (void *ctx, const u8 *ticket, size_t len, const u8 *client_random, 588 const u8 *server_random, u8 *master_secret); 589 590 int __must_check tls_connection_set_session_ticket_cb( 591 void *tls_ctx, struct tls_connection *conn, 592 tls_session_ticket_cb cb, void *ctx); 593 594 void tls_connection_set_log_cb(struct tls_connection *conn, 595 void (*log_cb)(void *ctx, const char *msg), 596 void *ctx); 597 598 #define TLS_BREAK_VERIFY_DATA BIT(0) 599 #define TLS_BREAK_SRV_KEY_X_HASH BIT(1) 600 #define TLS_BREAK_SRV_KEY_X_SIGNATURE BIT(2) 601 #define TLS_DHE_PRIME_511B BIT(3) 602 #define TLS_DHE_PRIME_767B BIT(4) 603 #define TLS_DHE_PRIME_15 BIT(5) 604 #define TLS_DHE_PRIME_58B BIT(6) 605 #define TLS_DHE_NON_PRIME BIT(7) 606 607 void tls_connection_set_test_flags(struct tls_connection *conn, u32 flags); 608 609 int tls_get_library_version(char *buf, size_t buf_len); 610 611 void tls_connection_set_success_data(struct tls_connection *conn, 612 struct wpabuf *data); 613 614 void tls_connection_set_success_data_resumed(struct tls_connection *conn); 615 616 const struct wpabuf * 617 tls_connection_get_success_data(struct tls_connection *conn); 618 619 void tls_connection_remove_session(struct tls_connection *conn); 620 621 #endif /* TLS_H */ 622