mbed TLS v2.9.0
ssl.h
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1 
6 /*
7  * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
8  * SPDX-License-Identifier: Apache-2.0
9  *
10  * Licensed under the Apache License, Version 2.0 (the "License"); you may
11  * not use this file except in compliance with the License.
12  * You may obtain a copy of the License at
13  *
14  * http://www.apache.org/licenses/LICENSE-2.0
15  *
16  * Unless required by applicable law or agreed to in writing, software
17  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
18  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19  * See the License for the specific language governing permissions and
20  * limitations under the License.
21  *
22  * This file is part of mbed TLS (https://tls.mbed.org)
23  */
24 #ifndef MBEDTLS_SSL_H
25 #define MBEDTLS_SSL_H
26 
27 #if !defined(MBEDTLS_CONFIG_FILE)
28 #include "config.h"
29 #else
30 #include MBEDTLS_CONFIG_FILE
31 #endif
32 
33 #include "bignum.h"
34 #include "ecp.h"
35 
36 #include "ssl_ciphersuites.h"
37 
38 #if defined(MBEDTLS_X509_CRT_PARSE_C)
39 #include "x509_crt.h"
40 #include "x509_crl.h"
41 #endif
42 
43 #if defined(MBEDTLS_DHM_C)
44 #include "dhm.h"
45 #endif
46 
47 #if defined(MBEDTLS_ECDH_C)
48 #include "ecdh.h"
49 #endif
50 
51 #if defined(MBEDTLS_ZLIB_SUPPORT)
52 
53 #if defined(MBEDTLS_DEPRECATED_WARNING)
54 #warning "Record compression support via MBEDTLS_ZLIB_SUPPORT is deprecated and will be removed in the next major revision of the library"
55 #endif
56 
57 #if defined(MBEDTLS_DEPRECATED_REMOVED)
58 #error "Record compression support via MBEDTLS_ZLIB_SUPPORT is deprecated and cannot be used if MBEDTLS_DEPRECATED_REMOVED is set"
59 #endif
60 
61 #include "zlib.h"
62 #endif
63 
64 #if defined(MBEDTLS_HAVE_TIME)
65 #include "mbedtls/platform_time.h"
66 #endif
67 
68 /*
69  * SSL Error codes
70  */
71 #define MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE -0x7080
72 #define MBEDTLS_ERR_SSL_BAD_INPUT_DATA -0x7100
73 #define MBEDTLS_ERR_SSL_INVALID_MAC -0x7180
74 #define MBEDTLS_ERR_SSL_INVALID_RECORD -0x7200
75 #define MBEDTLS_ERR_SSL_CONN_EOF -0x7280
76 #define MBEDTLS_ERR_SSL_UNKNOWN_CIPHER -0x7300
77 #define MBEDTLS_ERR_SSL_NO_CIPHER_CHOSEN -0x7380
78 #define MBEDTLS_ERR_SSL_NO_RNG -0x7400
79 #define MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE -0x7480
80 #define MBEDTLS_ERR_SSL_CERTIFICATE_TOO_LARGE -0x7500
81 #define MBEDTLS_ERR_SSL_CERTIFICATE_REQUIRED -0x7580
82 #define MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED -0x7600
83 #define MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED -0x7680
84 #define MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE -0x7700
85 #define MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE -0x7780
86 #define MBEDTLS_ERR_SSL_PEER_VERIFY_FAILED -0x7800
87 #define MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY -0x7880
88 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO -0x7900
89 #define MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO -0x7980
90 #define MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE -0x7A00
91 #define MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST -0x7A80
92 #define MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE -0x7B00
93 #define MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE -0x7B80
94 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE -0x7C00
95 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP -0x7C80
96 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS -0x7D00
97 #define MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY -0x7D80
98 #define MBEDTLS_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC -0x7E00
99 #define MBEDTLS_ERR_SSL_BAD_HS_FINISHED -0x7E80
100 #define MBEDTLS_ERR_SSL_ALLOC_FAILED -0x7F00
101 #define MBEDTLS_ERR_SSL_HW_ACCEL_FAILED -0x7F80
102 #define MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH -0x6F80
103 #define MBEDTLS_ERR_SSL_COMPRESSION_FAILED -0x6F00
104 #define MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION -0x6E80
105 #define MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET -0x6E00
106 #define MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED -0x6D80
107 #define MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH -0x6D00
108 #define MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY -0x6C80
109 #define MBEDTLS_ERR_SSL_INTERNAL_ERROR -0x6C00
110 #define MBEDTLS_ERR_SSL_COUNTER_WRAPPING -0x6B80
111 #define MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO -0x6B00
112 #define MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED -0x6A80
113 #define MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL -0x6A00
114 #define MBEDTLS_ERR_SSL_NO_USABLE_CIPHERSUITE -0x6980
115 #define MBEDTLS_ERR_SSL_WANT_READ -0x6900
116 #define MBEDTLS_ERR_SSL_WANT_WRITE -0x6880
117 #define MBEDTLS_ERR_SSL_TIMEOUT -0x6800
118 #define MBEDTLS_ERR_SSL_CLIENT_RECONNECT -0x6780
119 #define MBEDTLS_ERR_SSL_UNEXPECTED_RECORD -0x6700
120 #define MBEDTLS_ERR_SSL_NON_FATAL -0x6680
121 #define MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH -0x6600
122 #define MBEDTLS_ERR_SSL_CONTINUE_PROCESSING -0x6580
124 /*
125  * Various constants
126  */
127 #define MBEDTLS_SSL_MAJOR_VERSION_3 3
128 #define MBEDTLS_SSL_MINOR_VERSION_0 0
129 #define MBEDTLS_SSL_MINOR_VERSION_1 1
130 #define MBEDTLS_SSL_MINOR_VERSION_2 2
131 #define MBEDTLS_SSL_MINOR_VERSION_3 3
133 #define MBEDTLS_SSL_TRANSPORT_STREAM 0
134 #define MBEDTLS_SSL_TRANSPORT_DATAGRAM 1
136 #define MBEDTLS_SSL_MAX_HOST_NAME_LEN 255
138 /* RFC 6066 section 4, see also mfl_code_to_length in ssl_tls.c
139  * NONE must be zero so that memset()ing structure to zero works */
140 #define MBEDTLS_SSL_MAX_FRAG_LEN_NONE 0
141 #define MBEDTLS_SSL_MAX_FRAG_LEN_512 1
142 #define MBEDTLS_SSL_MAX_FRAG_LEN_1024 2
143 #define MBEDTLS_SSL_MAX_FRAG_LEN_2048 3
144 #define MBEDTLS_SSL_MAX_FRAG_LEN_4096 4
145 #define MBEDTLS_SSL_MAX_FRAG_LEN_INVALID 5
147 #define MBEDTLS_SSL_IS_CLIENT 0
148 #define MBEDTLS_SSL_IS_SERVER 1
149 
150 #define MBEDTLS_SSL_IS_NOT_FALLBACK 0
151 #define MBEDTLS_SSL_IS_FALLBACK 1
152 
153 #define MBEDTLS_SSL_EXTENDED_MS_DISABLED 0
154 #define MBEDTLS_SSL_EXTENDED_MS_ENABLED 1
155 
156 #define MBEDTLS_SSL_ETM_DISABLED 0
157 #define MBEDTLS_SSL_ETM_ENABLED 1
158 
159 #define MBEDTLS_SSL_COMPRESS_NULL 0
160 #define MBEDTLS_SSL_COMPRESS_DEFLATE 1
161 
162 #define MBEDTLS_SSL_VERIFY_NONE 0
163 #define MBEDTLS_SSL_VERIFY_OPTIONAL 1
164 #define MBEDTLS_SSL_VERIFY_REQUIRED 2
165 #define MBEDTLS_SSL_VERIFY_UNSET 3 /* Used only for sni_authmode */
166 
167 #define MBEDTLS_SSL_LEGACY_RENEGOTIATION 0
168 #define MBEDTLS_SSL_SECURE_RENEGOTIATION 1
169 
170 #define MBEDTLS_SSL_RENEGOTIATION_DISABLED 0
171 #define MBEDTLS_SSL_RENEGOTIATION_ENABLED 1
172 
173 #define MBEDTLS_SSL_ANTI_REPLAY_DISABLED 0
174 #define MBEDTLS_SSL_ANTI_REPLAY_ENABLED 1
175 
176 #define MBEDTLS_SSL_RENEGOTIATION_NOT_ENFORCED -1
177 #define MBEDTLS_SSL_RENEGO_MAX_RECORDS_DEFAULT 16
178 
179 #define MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION 0
180 #define MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION 1
181 #define MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE 2
182 
183 #define MBEDTLS_SSL_TRUNC_HMAC_DISABLED 0
184 #define MBEDTLS_SSL_TRUNC_HMAC_ENABLED 1
185 #define MBEDTLS_SSL_TRUNCATED_HMAC_LEN 10 /* 80 bits, rfc 6066 section 7 */
186 
187 #define MBEDTLS_SSL_SESSION_TICKETS_DISABLED 0
188 #define MBEDTLS_SSL_SESSION_TICKETS_ENABLED 1
189 
190 #define MBEDTLS_SSL_CBC_RECORD_SPLITTING_DISABLED 0
191 #define MBEDTLS_SSL_CBC_RECORD_SPLITTING_ENABLED 1
192 
193 #define MBEDTLS_SSL_ARC4_ENABLED 0
194 #define MBEDTLS_SSL_ARC4_DISABLED 1
195 
196 #define MBEDTLS_SSL_PRESET_DEFAULT 0
197 #define MBEDTLS_SSL_PRESET_SUITEB 2
198 
199 #define MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED 1
200 #define MBEDTLS_SSL_CERT_REQ_CA_LIST_DISABLED 0
201 
202 /*
203  * Default range for DTLS retransmission timer value, in milliseconds.
204  * RFC 6347 4.2.4.1 says from 1 second to 60 seconds.
205  */
206 #define MBEDTLS_SSL_DTLS_TIMEOUT_DFL_MIN 1000
207 #define MBEDTLS_SSL_DTLS_TIMEOUT_DFL_MAX 60000
208 
217 #if !defined(MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME)
218 #define MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME 86400
219 #endif
220 
221 /*
222  * Maxium fragment length in bytes,
223  * determines the size of each of the two internal I/O buffers.
224  *
225  * Note: the RFC defines the default size of SSL / TLS messages. If you
226  * change the value here, other clients / servers may not be able to
227  * communicate with you anymore. Only change this value if you control
228  * both sides of the connection and have it reduced at both sides, or
229  * if you're using the Max Fragment Length extension and you know all your
230  * peers are using it too!
231  */
232 #if !defined(MBEDTLS_SSL_MAX_CONTENT_LEN)
233 #define MBEDTLS_SSL_MAX_CONTENT_LEN 16384
234 #endif
235 
236 /* \} name SECTION: Module settings */
237 
238 /*
239  * Length of the verify data for secure renegotiation
240  */
241 #if defined(MBEDTLS_SSL_PROTO_SSL3)
242 #define MBEDTLS_SSL_VERIFY_DATA_MAX_LEN 36
243 #else
244 #define MBEDTLS_SSL_VERIFY_DATA_MAX_LEN 12
245 #endif
246 
247 /*
248  * Signaling ciphersuite values (SCSV)
249  */
250 #define MBEDTLS_SSL_EMPTY_RENEGOTIATION_INFO 0xFF
251 #define MBEDTLS_SSL_FALLBACK_SCSV_VALUE 0x5600
253 /*
254  * Supported Signature and Hash algorithms (For TLS 1.2)
255  * RFC 5246 section 7.4.1.4.1
256  */
257 #define MBEDTLS_SSL_HASH_NONE 0
258 #define MBEDTLS_SSL_HASH_MD5 1
259 #define MBEDTLS_SSL_HASH_SHA1 2
260 #define MBEDTLS_SSL_HASH_SHA224 3
261 #define MBEDTLS_SSL_HASH_SHA256 4
262 #define MBEDTLS_SSL_HASH_SHA384 5
263 #define MBEDTLS_SSL_HASH_SHA512 6
264 
265 #define MBEDTLS_SSL_SIG_ANON 0
266 #define MBEDTLS_SSL_SIG_RSA 1
267 #define MBEDTLS_SSL_SIG_ECDSA 3
268 
269 /*
270  * Client Certificate Types
271  * RFC 5246 section 7.4.4 plus RFC 4492 section 5.5
272  */
273 #define MBEDTLS_SSL_CERT_TYPE_RSA_SIGN 1
274 #define MBEDTLS_SSL_CERT_TYPE_ECDSA_SIGN 64
275 
276 /*
277  * Message, alert and handshake types
278  */
279 #define MBEDTLS_SSL_MSG_CHANGE_CIPHER_SPEC 20
280 #define MBEDTLS_SSL_MSG_ALERT 21
281 #define MBEDTLS_SSL_MSG_HANDSHAKE 22
282 #define MBEDTLS_SSL_MSG_APPLICATION_DATA 23
283 
284 #define MBEDTLS_SSL_ALERT_LEVEL_WARNING 1
285 #define MBEDTLS_SSL_ALERT_LEVEL_FATAL 2
286 
287 #define MBEDTLS_SSL_ALERT_MSG_CLOSE_NOTIFY 0 /* 0x00 */
288 #define MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE 10 /* 0x0A */
289 #define MBEDTLS_SSL_ALERT_MSG_BAD_RECORD_MAC 20 /* 0x14 */
290 #define MBEDTLS_SSL_ALERT_MSG_DECRYPTION_FAILED 21 /* 0x15 */
291 #define MBEDTLS_SSL_ALERT_MSG_RECORD_OVERFLOW 22 /* 0x16 */
292 #define MBEDTLS_SSL_ALERT_MSG_DECOMPRESSION_FAILURE 30 /* 0x1E */
293 #define MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE 40 /* 0x28 */
294 #define MBEDTLS_SSL_ALERT_MSG_NO_CERT 41 /* 0x29 */
295 #define MBEDTLS_SSL_ALERT_MSG_BAD_CERT 42 /* 0x2A */
296 #define MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_CERT 43 /* 0x2B */
297 #define MBEDTLS_SSL_ALERT_MSG_CERT_REVOKED 44 /* 0x2C */
298 #define MBEDTLS_SSL_ALERT_MSG_CERT_EXPIRED 45 /* 0x2D */
299 #define MBEDTLS_SSL_ALERT_MSG_CERT_UNKNOWN 46 /* 0x2E */
300 #define MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER 47 /* 0x2F */
301 #define MBEDTLS_SSL_ALERT_MSG_UNKNOWN_CA 48 /* 0x30 */
302 #define MBEDTLS_SSL_ALERT_MSG_ACCESS_DENIED 49 /* 0x31 */
303 #define MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR 50 /* 0x32 */
304 #define MBEDTLS_SSL_ALERT_MSG_DECRYPT_ERROR 51 /* 0x33 */
305 #define MBEDTLS_SSL_ALERT_MSG_EXPORT_RESTRICTION 60 /* 0x3C */
306 #define MBEDTLS_SSL_ALERT_MSG_PROTOCOL_VERSION 70 /* 0x46 */
307 #define MBEDTLS_SSL_ALERT_MSG_INSUFFICIENT_SECURITY 71 /* 0x47 */
308 #define MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR 80 /* 0x50 */
309 #define MBEDTLS_SSL_ALERT_MSG_INAPROPRIATE_FALLBACK 86 /* 0x56 */
310 #define MBEDTLS_SSL_ALERT_MSG_USER_CANCELED 90 /* 0x5A */
311 #define MBEDTLS_SSL_ALERT_MSG_NO_RENEGOTIATION 100 /* 0x64 */
312 #define MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT 110 /* 0x6E */
313 #define MBEDTLS_SSL_ALERT_MSG_UNRECOGNIZED_NAME 112 /* 0x70 */
314 #define MBEDTLS_SSL_ALERT_MSG_UNKNOWN_PSK_IDENTITY 115 /* 0x73 */
315 #define MBEDTLS_SSL_ALERT_MSG_NO_APPLICATION_PROTOCOL 120 /* 0x78 */
316 
317 #define MBEDTLS_SSL_HS_HELLO_REQUEST 0
318 #define MBEDTLS_SSL_HS_CLIENT_HELLO 1
319 #define MBEDTLS_SSL_HS_SERVER_HELLO 2
320 #define MBEDTLS_SSL_HS_HELLO_VERIFY_REQUEST 3
321 #define MBEDTLS_SSL_HS_NEW_SESSION_TICKET 4
322 #define MBEDTLS_SSL_HS_CERTIFICATE 11
323 #define MBEDTLS_SSL_HS_SERVER_KEY_EXCHANGE 12
324 #define MBEDTLS_SSL_HS_CERTIFICATE_REQUEST 13
325 #define MBEDTLS_SSL_HS_SERVER_HELLO_DONE 14
326 #define MBEDTLS_SSL_HS_CERTIFICATE_VERIFY 15
327 #define MBEDTLS_SSL_HS_CLIENT_KEY_EXCHANGE 16
328 #define MBEDTLS_SSL_HS_FINISHED 20
329 
330 /*
331  * TLS extensions
332  */
333 #define MBEDTLS_TLS_EXT_SERVERNAME 0
334 #define MBEDTLS_TLS_EXT_SERVERNAME_HOSTNAME 0
335 
336 #define MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH 1
337 
338 #define MBEDTLS_TLS_EXT_TRUNCATED_HMAC 4
339 
340 #define MBEDTLS_TLS_EXT_SUPPORTED_ELLIPTIC_CURVES 10
341 #define MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS 11
342 
343 #define MBEDTLS_TLS_EXT_SIG_ALG 13
344 
345 #define MBEDTLS_TLS_EXT_ALPN 16
346 
347 #define MBEDTLS_TLS_EXT_ENCRYPT_THEN_MAC 22 /* 0x16 */
348 #define MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET 0x0017 /* 23 */
349 
350 #define MBEDTLS_TLS_EXT_SESSION_TICKET 35
351 
352 #define MBEDTLS_TLS_EXT_ECJPAKE_KKPP 256 /* experimental */
353 
354 #define MBEDTLS_TLS_EXT_RENEGOTIATION_INFO 0xFF01
355 
356 /*
357  * Size defines
358  */
359 #if !defined(MBEDTLS_PSK_MAX_LEN)
360 #define MBEDTLS_PSK_MAX_LEN 32 /* 256 bits */
361 #endif
362 
363 /* Dummy type used only for its size */
365 {
366 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)
367  unsigned char _pms_rsa[48]; /* RFC 5246 8.1.1 */
368 #endif
369 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)
370  unsigned char _pms_dhm[MBEDTLS_MPI_MAX_SIZE]; /* RFC 5246 8.1.2 */
371 #endif
372 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) || \
373  defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) || \
374  defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) || \
375  defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
376  unsigned char _pms_ecdh[MBEDTLS_ECP_MAX_BYTES]; /* RFC 4492 5.10 */
377 #endif
378 #if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)
379  unsigned char _pms_psk[4 + 2 * MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 2 */
380 #endif
381 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
382  unsigned char _pms_dhe_psk[4 + MBEDTLS_MPI_MAX_SIZE
383  + MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 3 */
384 #endif
385 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED)
386  unsigned char _pms_rsa_psk[52 + MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 4 */
387 #endif
388 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
389  unsigned char _pms_ecdhe_psk[4 + MBEDTLS_ECP_MAX_BYTES
390  + MBEDTLS_PSK_MAX_LEN]; /* RFC 5489 2 */
391 #endif
392 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
393  unsigned char _pms_ecjpake[32]; /* Thread spec: SHA-256 output */
394 #endif
395 };
396 
397 #define MBEDTLS_PREMASTER_SIZE sizeof( union mbedtls_ssl_premaster_secret )
398 
399 #ifdef __cplusplus
400 extern "C" {
401 #endif
402 
403 /*
404  * SSL state machine
405  */
406 typedef enum
407 {
427 }
429 
447 typedef int mbedtls_ssl_send_t( void *ctx,
448  const unsigned char *buf,
449  size_t len );
450 
470 typedef int mbedtls_ssl_recv_t( void *ctx,
471  unsigned char *buf,
472  size_t len );
473 
496 typedef int mbedtls_ssl_recv_timeout_t( void *ctx,
497  unsigned char *buf,
498  size_t len,
499  uint32_t timeout );
522 typedef void mbedtls_ssl_set_timer_t( void * ctx,
523  uint32_t int_ms,
524  uint32_t fin_ms );
525 
537 typedef int mbedtls_ssl_get_timer_t( void * ctx );
538 
539 
540 /* Defined below */
544 
545 /* Defined in ssl_internal.h */
549 #if defined(MBEDTLS_X509_CRT_PARSE_C)
551 #endif
552 #if defined(MBEDTLS_SSL_PROTO_DTLS)
554 #endif
555 
556 /*
557  * This structure is used for storing current session data.
558  */
560 {
561 #if defined(MBEDTLS_HAVE_TIME)
563 #endif
566  size_t id_len;
567  unsigned char id[32];
568  unsigned char master[48];
570 #if defined(MBEDTLS_X509_CRT_PARSE_C)
572 #endif /* MBEDTLS_X509_CRT_PARSE_C */
573  uint32_t verify_result;
575 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C)
576  unsigned char *ticket;
577  size_t ticket_len;
578  uint32_t ticket_lifetime;
579 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_CLI_C */
580 
581 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
582  unsigned char mfl_code;
583 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
584 
585 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
587 #endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
588 
589 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
591 #endif
592 };
593 
598 {
599  /* Group items by size (largest first) to minimize padding overhead */
600 
601  /*
602  * Pointers
603  */
604 
605  const int *ciphersuite_list[4];
608  void (*f_dbg)(void *, int, const char *, int, const char *);
609  void *p_dbg;
612  int (*f_rng)(void *, unsigned char *, size_t);
613  void *p_rng;
616  int (*f_get_cache)(void *, mbedtls_ssl_session *);
618  int (*f_set_cache)(void *, const mbedtls_ssl_session *);
619  void *p_cache;
621 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
622 
623  int (*f_sni)(void *, mbedtls_ssl_context *, const unsigned char *, size_t);
624  void *p_sni;
625 #endif
626 
627 #if defined(MBEDTLS_X509_CRT_PARSE_C)
628 
629  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *);
630  void *p_vrfy;
631 #endif
632 
633 #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
634 
635  int (*f_psk)(void *, mbedtls_ssl_context *, const unsigned char *, size_t);
636  void *p_psk;
637 #endif
638 
639 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
640 
641  int (*f_cookie_write)( void *, unsigned char **, unsigned char *,
642  const unsigned char *, size_t );
644  int (*f_cookie_check)( void *, const unsigned char *, size_t,
645  const unsigned char *, size_t );
646  void *p_cookie;
647 #endif
648 
649 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_SRV_C)
650 
651  int (*f_ticket_write)( void *, const mbedtls_ssl_session *,
652  unsigned char *, const unsigned char *, size_t *, uint32_t * );
654  int (*f_ticket_parse)( void *, mbedtls_ssl_session *, unsigned char *, size_t);
655  void *p_ticket;
656 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_SRV_C */
657 
658 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
659 
660  int (*f_export_keys)( void *, const unsigned char *,
661  const unsigned char *, size_t, size_t, size_t );
663 #endif
664 
665 #if defined(MBEDTLS_X509_CRT_PARSE_C)
668  mbedtls_x509_crt *ca_chain;
670 #endif /* MBEDTLS_X509_CRT_PARSE_C */
671 
672 #if defined(MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED)
673  const int *sig_hashes;
674 #endif
675 
676 #if defined(MBEDTLS_ECP_C)
678 #endif
679 
680 #if defined(MBEDTLS_DHM_C)
683 #endif
684 
685 #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
686  unsigned char *psk;
689  size_t psk_len;
692  unsigned char *psk_identity;
698 #endif
699 
700 #if defined(MBEDTLS_SSL_ALPN)
701  const char **alpn_list;
702 #endif
703 
704  /*
705  * Numerical settings (int then char)
706  */
707 
708  uint32_t read_timeout;
710 #if defined(MBEDTLS_SSL_PROTO_DTLS)
711  uint32_t hs_timeout_min;
713  uint32_t hs_timeout_max;
715 #endif
716 
717 #if defined(MBEDTLS_SSL_RENEGOTIATION)
719  unsigned char renego_period[8];
721 #endif
722 
723 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
724  unsigned int badmac_limit;
725 #endif
726 
727 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_CLI_C)
728  unsigned int dhm_min_bitlen;
729 #endif
730 
731  unsigned char max_major_ver;
732  unsigned char max_minor_ver;
733  unsigned char min_major_ver;
734  unsigned char min_minor_ver;
736  /*
737  * Flags (bitfields)
738  */
739 
740  unsigned int endpoint : 1;
741  unsigned int transport : 1;
742  unsigned int authmode : 2;
743  /* needed even with renego disabled for LEGACY_BREAK_HANDSHAKE */
744  unsigned int allow_legacy_renegotiation : 2 ;
745 #if defined(MBEDTLS_ARC4_C)
746  unsigned int arc4_disabled : 1;
747 #endif
748 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
749  unsigned int mfl_code : 3;
750 #endif
751 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
752  unsigned int encrypt_then_mac : 1 ;
753 #endif
754 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
755  unsigned int extended_ms : 1;
756 #endif
757 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
758  unsigned int anti_replay : 1;
759 #endif
760 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
761  unsigned int cbc_record_splitting : 1;
762 #endif
763 #if defined(MBEDTLS_SSL_RENEGOTIATION)
764  unsigned int disable_renegotiation : 1;
765 #endif
766 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
767  unsigned int trunc_hmac : 1;
768 #endif
769 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
770  unsigned int session_tickets : 1;
771 #endif
772 #if defined(MBEDTLS_SSL_FALLBACK_SCSV) && defined(MBEDTLS_SSL_CLI_C)
773  unsigned int fallback : 1;
774 #endif
775 #if defined(MBEDTLS_SSL_SRV_C)
776  unsigned int cert_req_ca_list : 1;
778 #endif
779 };
780 
781 
783 {
786  /*
787  * Miscellaneous
788  */
789  int state;
790 #if defined(MBEDTLS_SSL_RENEGOTIATION)
795 #endif
796 
797  int major_ver;
798  int minor_ver;
800 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
801  unsigned badmac_seen;
802 #endif
803 
809  void *p_bio;
811  /*
812  * Session layer
813  */
822  /*
823  * Record layer transformations
824  */
830  /*
831  * Timers
832  */
833  void *p_timer;
838  /*
839  * Record layer (incoming data)
840  */
841  unsigned char *in_buf;
842  unsigned char *in_ctr;
845  unsigned char *in_hdr;
846  unsigned char *in_len;
847  unsigned char *in_iv;
848  unsigned char *in_msg;
849  unsigned char *in_offt;
852  size_t in_msglen;
853  size_t in_left;
854 #if defined(MBEDTLS_SSL_PROTO_DTLS)
855  uint16_t in_epoch;
858 #endif
859 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
860  uint64_t in_window_top;
861  uint64_t in_window;
862 #endif
863 
864  size_t in_hslen;
866  int nb_zero;
871  /*
872  * Record layer (outgoing data)
873  */
874  unsigned char *out_buf;
875  unsigned char *out_ctr;
876  unsigned char *out_hdr;
877  unsigned char *out_len;
878  unsigned char *out_iv;
879  unsigned char *out_msg;
882  size_t out_msglen;
883  size_t out_left;
885 #if defined(MBEDTLS_ZLIB_SUPPORT)
886  unsigned char *compress_buf;
887 #endif
888 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
889  signed char split_done;
890 #endif
891 
892  /*
893  * PKI layer
894  */
897  /*
898  * User settings
899  */
900 #if defined(MBEDTLS_X509_CRT_PARSE_C)
901  char *hostname;
903 #endif
904 
905 #if defined(MBEDTLS_SSL_ALPN)
906  const char *alpn_chosen;
907 #endif
908 
909  /*
910  * Information for DTLS hello verify
911  */
912 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
913  unsigned char *cli_id;
914  size_t cli_id_len;
915 #endif
916 
917  /*
918  * Secure renegotiation
919  */
920  /* needed to know when to send extension on server */
923 #if defined(MBEDTLS_SSL_RENEGOTIATION)
925  char own_verify_data[MBEDTLS_SSL_VERIFY_DATA_MAX_LEN];
926  char peer_verify_data[MBEDTLS_SSL_VERIFY_DATA_MAX_LEN];
927 #endif
928 };
929 
930 #if defined(MBEDTLS_SSL_HW_RECORD_ACCEL)
931 
932 #define MBEDTLS_SSL_CHANNEL_OUTBOUND 0
933 #define MBEDTLS_SSL_CHANNEL_INBOUND 1
934 
935 extern int (*mbedtls_ssl_hw_record_init)(mbedtls_ssl_context *ssl,
936  const unsigned char *key_enc, const unsigned char *key_dec,
937  size_t keylen,
938  const unsigned char *iv_enc, const unsigned char *iv_dec,
939  size_t ivlen,
940  const unsigned char *mac_enc, const unsigned char *mac_dec,
941  size_t maclen);
942 extern int (*mbedtls_ssl_hw_record_activate)(mbedtls_ssl_context *ssl, int direction);
943 extern int (*mbedtls_ssl_hw_record_reset)(mbedtls_ssl_context *ssl);
944 extern int (*mbedtls_ssl_hw_record_write)(mbedtls_ssl_context *ssl);
945 extern int (*mbedtls_ssl_hw_record_read)(mbedtls_ssl_context *ssl);
946 extern int (*mbedtls_ssl_hw_record_finish)(mbedtls_ssl_context *ssl);
947 #endif /* MBEDTLS_SSL_HW_RECORD_ACCEL */
948 
955 const int *mbedtls_ssl_list_ciphersuites( void );
956 
965 const char *mbedtls_ssl_get_ciphersuite_name( const int ciphersuite_id );
966 
975 int mbedtls_ssl_get_ciphersuite_id( const char *ciphersuite_name );
976 
985 
1007  const mbedtls_ssl_config *conf );
1008 
1020 
1027 void mbedtls_ssl_conf_endpoint( mbedtls_ssl_config *conf, int endpoint );
1028 
1043 void mbedtls_ssl_conf_transport( mbedtls_ssl_config *conf, int transport );
1044 
1071 void mbedtls_ssl_conf_authmode( mbedtls_ssl_config *conf, int authmode );
1072 
1073 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1074 
1086  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
1087  void *p_vrfy );
1088 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1089 
1098  int (*f_rng)(void *, unsigned char *, size_t),
1099  void *p_rng );
1100 
1116  void (*f_dbg)(void *, int, const char *, int, const char *),
1117  void *p_dbg );
1118 
1150  void *p_bio,
1151  mbedtls_ssl_send_t *f_send,
1152  mbedtls_ssl_recv_t *f_recv,
1153  mbedtls_ssl_recv_timeout_t *f_recv_timeout );
1154 
1171 void mbedtls_ssl_conf_read_timeout( mbedtls_ssl_config *conf, uint32_t timeout );
1172 
1194  void *p_timer,
1195  mbedtls_ssl_set_timer_t *f_set_timer,
1196  mbedtls_ssl_get_timer_t *f_get_timer );
1197 
1217 typedef int mbedtls_ssl_ticket_write_t( void *p_ticket,
1218  const mbedtls_ssl_session *session,
1219  unsigned char *start,
1220  const unsigned char *end,
1221  size_t *tlen,
1222  uint32_t *lifetime );
1223 
1224 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
1225 
1245 typedef int mbedtls_ssl_export_keys_t( void *p_expkey,
1246  const unsigned char *ms,
1247  const unsigned char *kb,
1248  size_t maclen,
1249  size_t keylen,
1250  size_t ivlen );
1251 #endif /* MBEDTLS_SSL_EXPORT_KEYS */
1252 
1276 typedef int mbedtls_ssl_ticket_parse_t( void *p_ticket,
1277  mbedtls_ssl_session *session,
1278  unsigned char *buf,
1279  size_t len );
1280 
1281 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_SRV_C)
1282 
1297  mbedtls_ssl_ticket_write_t *f_ticket_write,
1298  mbedtls_ssl_ticket_parse_t *f_ticket_parse,
1299  void *p_ticket );
1300 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_SRV_C */
1301 
1302 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
1303 
1314  mbedtls_ssl_export_keys_t *f_export_keys,
1315  void *p_export_keys );
1316 #endif /* MBEDTLS_SSL_EXPORT_KEYS */
1317 
1332 typedef int mbedtls_ssl_cookie_write_t( void *ctx,
1333  unsigned char **p, unsigned char *end,
1334  const unsigned char *info, size_t ilen );
1335 
1349 typedef int mbedtls_ssl_cookie_check_t( void *ctx,
1350  const unsigned char *cookie, size_t clen,
1351  const unsigned char *info, size_t ilen );
1352 
1353 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
1354 
1383  mbedtls_ssl_cookie_write_t *f_cookie_write,
1384  mbedtls_ssl_cookie_check_t *f_cookie_check,
1385  void *p_cookie );
1386 
1407  const unsigned char *info,
1408  size_t ilen );
1409 
1410 #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY && MBEDTLS_SSL_SRV_C */
1411 
1412 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
1413 
1428 void mbedtls_ssl_conf_dtls_anti_replay( mbedtls_ssl_config *conf, char mode );
1429 #endif /* MBEDTLS_SSL_DTLS_ANTI_REPLAY */
1430 
1431 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
1432 
1455 void mbedtls_ssl_conf_dtls_badmac_limit( mbedtls_ssl_config *conf, unsigned limit );
1456 #endif /* MBEDTLS_SSL_DTLS_BADMAC_LIMIT */
1457 
1458 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1459 
1490 void mbedtls_ssl_conf_handshake_timeout( mbedtls_ssl_config *conf, uint32_t min, uint32_t max );
1491 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1492 
1493 #if defined(MBEDTLS_SSL_SRV_C)
1494 
1532  void *p_cache,
1533  int (*f_get_cache)(void *, mbedtls_ssl_session *),
1534  int (*f_set_cache)(void *, const mbedtls_ssl_session *) );
1535 #endif /* MBEDTLS_SSL_SRV_C */
1536 
1537 #if defined(MBEDTLS_SSL_CLI_C)
1538 
1553 #endif /* MBEDTLS_SSL_CLI_C */
1554 
1571  const int *ciphersuites );
1572 
1593  const int *ciphersuites,
1594  int major, int minor );
1595 
1596 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1597 
1608  const mbedtls_x509_crt_profile *profile );
1609 
1622  mbedtls_x509_crt *ca_chain,
1623  mbedtls_x509_crl *ca_crl );
1624 
1654  mbedtls_x509_crt *own_cert,
1655  mbedtls_pk_context *pk_key );
1656 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1657 
1658 #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
1659 
1680  const unsigned char *psk, size_t psk_len,
1681  const unsigned char *psk_identity, size_t psk_identity_len );
1682 
1683 
1697  const unsigned char *psk, size_t psk_len );
1698 
1724  int (*f_psk)(void *, mbedtls_ssl_context *, const unsigned char *,
1725  size_t),
1726  void *p_psk );
1727 #endif /* MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED */
1728 
1729 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_SRV_C)
1730 
1731 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
1732 
1733 #if defined(MBEDTLS_DEPRECATED_WARNING)
1734 #define MBEDTLS_DEPRECATED __attribute__((deprecated))
1735 #else
1736 #define MBEDTLS_DEPRECATED
1737 #endif
1738 
1753  const char *dhm_P,
1754  const char *dhm_G );
1755 
1756 #endif /* MBEDTLS_DEPRECATED_REMOVED */
1757 
1772  const unsigned char *dhm_P, size_t P_len,
1773  const unsigned char *dhm_G, size_t G_len );
1774 
1785 #endif /* MBEDTLS_DHM_C && defined(MBEDTLS_SSL_SRV_C) */
1786 
1787 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_CLI_C)
1788 
1797  unsigned int bitlen );
1798 #endif /* MBEDTLS_DHM_C && MBEDTLS_SSL_CLI_C */
1799 
1800 #if defined(MBEDTLS_ECP_C)
1801 
1829  const mbedtls_ecp_group_id *curves );
1830 #endif /* MBEDTLS_ECP_C */
1831 
1832 #if defined(MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED)
1833 
1852  const int *hashes );
1853 #endif /* MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED */
1854 
1855 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1856 
1874 int mbedtls_ssl_set_hostname( mbedtls_ssl_context *ssl, const char *hostname );
1875 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1876 
1877 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
1878 
1891  mbedtls_x509_crt *own_cert,
1892  mbedtls_pk_context *pk_key );
1893 
1906  mbedtls_x509_crt *ca_chain,
1907  mbedtls_x509_crl *ca_crl );
1908 
1920  int authmode );
1921 
1946  int (*f_sni)(void *, mbedtls_ssl_context *, const unsigned char *,
1947  size_t),
1948  void *p_sni );
1949 #endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */
1950 
1951 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
1952 
1969 int mbedtls_ssl_set_hs_ecjpake_password( mbedtls_ssl_context *ssl,
1970  const unsigned char *pw,
1971  size_t pw_len );
1972 #endif /*MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
1973 
1974 #if defined(MBEDTLS_SSL_ALPN)
1975 
1987 int mbedtls_ssl_conf_alpn_protocols( mbedtls_ssl_config *conf, const char **protos );
1988 
1998 const char *mbedtls_ssl_get_alpn_protocol( const mbedtls_ssl_context *ssl );
1999 #endif /* MBEDTLS_SSL_ALPN */
2000 
2017 void mbedtls_ssl_conf_max_version( mbedtls_ssl_config *conf, int major, int minor );
2018 
2037 void mbedtls_ssl_conf_min_version( mbedtls_ssl_config *conf, int major, int minor );
2038 
2039 #if defined(MBEDTLS_SSL_FALLBACK_SCSV) && defined(MBEDTLS_SSL_CLI_C)
2040 
2059 void mbedtls_ssl_conf_fallback( mbedtls_ssl_config *conf, char fallback );
2060 #endif /* MBEDTLS_SSL_FALLBACK_SCSV && MBEDTLS_SSL_CLI_C */
2061 
2062 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
2063 
2075 #endif /* MBEDTLS_SSL_ENCRYPT_THEN_MAC */
2076 
2077 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
2078 
2090 #endif /* MBEDTLS_SSL_EXTENDED_MASTER_SECRET */
2091 
2092 #if defined(MBEDTLS_ARC4_C)
2093 
2108 void mbedtls_ssl_conf_arc4_support( mbedtls_ssl_config *conf, char arc4 );
2109 #endif /* MBEDTLS_ARC4_C */
2110 
2111 #if defined(MBEDTLS_SSL_SRV_C)
2112 
2122  char cert_req_ca_list );
2123 #endif /* MBEDTLS_SSL_SRV_C */
2124 
2125 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
2126 
2141 int mbedtls_ssl_conf_max_frag_len( mbedtls_ssl_config *conf, unsigned char mfl_code );
2142 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
2143 
2144 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
2145 
2153 void mbedtls_ssl_conf_truncated_hmac( mbedtls_ssl_config *conf, int truncate );
2154 #endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
2155 
2156 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
2157 
2169 #endif /* MBEDTLS_SSL_CBC_RECORD_SPLITTING */
2170 
2171 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C)
2172 
2182 void mbedtls_ssl_conf_session_tickets( mbedtls_ssl_config *conf, int use_tickets );
2183 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_CLI_C */
2184 
2185 #if defined(MBEDTLS_SSL_RENEGOTIATION)
2186 
2203 void mbedtls_ssl_conf_renegotiation( mbedtls_ssl_config *conf, int renegotiation );
2204 #endif /* MBEDTLS_SSL_RENEGOTIATION */
2205 
2233 void mbedtls_ssl_conf_legacy_renegotiation( mbedtls_ssl_config *conf, int allow_legacy );
2234 
2235 #if defined(MBEDTLS_SSL_RENEGOTIATION)
2236 
2273 void mbedtls_ssl_conf_renegotiation_enforced( mbedtls_ssl_config *conf, int max_records );
2274 
2301  const unsigned char period[8] );
2302 #endif /* MBEDTLS_SSL_RENEGOTIATION */
2303 
2343 
2360 
2372 uint32_t mbedtls_ssl_get_verify_result( const mbedtls_ssl_context *ssl );
2373 
2381 const char *mbedtls_ssl_get_ciphersuite( const mbedtls_ssl_context *ssl );
2382 
2390 const char *mbedtls_ssl_get_version( const mbedtls_ssl_context *ssl );
2391 
2403 
2404 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
2405 
2422 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
2423 
2424 #if defined(MBEDTLS_X509_CRT_PARSE_C)
2425 
2440 #endif /* MBEDTLS_X509_CRT_PARSE_C */
2441 
2442 #if defined(MBEDTLS_SSL_CLI_C)
2443 
2460 #endif /* MBEDTLS_SSL_CLI_C */
2461 
2498 
2519 
2520 #if defined(MBEDTLS_SSL_RENEGOTIATION)
2521 
2540 #endif /* MBEDTLS_SSL_RENEGOTIATION */
2541 
2598 int mbedtls_ssl_read( mbedtls_ssl_context *ssl, unsigned char *buf, size_t len );
2599 
2637 int mbedtls_ssl_write( mbedtls_ssl_context *ssl, const unsigned char *buf, size_t len );
2638 
2656  unsigned char level,
2657  unsigned char message );
2672 
2679 
2691 
2708  int endpoint, int transport, int preset );
2709 
2716 
2723 
2731 
2732 #ifdef __cplusplus
2733 }
2734 #endif
2735 
2736 #endif /* ssl.h */
uint64_t in_window_top
Definition: ssl.h:860
mbedtls_ssl_send_t * f_send
Definition: ssl.h:804
void * p_rng
Definition: ssl.h:613
const char ** alpn_list
Definition: ssl.h:701
unsigned char * in_ctr
Definition: ssl.h:842
mbedtls_x509_crt * peer_cert
Definition: ssl.h:571
unsigned char * out_msg
Definition: ssl.h:879
unsigned char * in_len
Definition: ssl.h:846
unsigned char * in_buf
Definition: ssl.h:841
Public key container.
Definition: pk.h:128
void mbedtls_ssl_set_hs_ca_chain(mbedtls_ssl_context *ssl, mbedtls_x509_crt *ca_chain, mbedtls_x509_crl *ca_crl)
Set the data required to verify peer certificate for the current handshake.
int mbedtls_ssl_ticket_parse_t(void *p_ticket, mbedtls_ssl_session *session, unsigned char *buf, size_t len)
Callback type: parse and load session ticket.
Definition: ssl.h:1276
mbedtls_mpi dhm_P
Definition: ssl.h:681
unsigned char max_minor_ver
Definition: ssl.h:732
const char * mbedtls_ssl_get_ciphersuite_name(const int ciphersuite_id)
Return the name of the ciphersuite associated with the given ID.
void mbedtls_ssl_conf_encrypt_then_mac(mbedtls_ssl_config *conf, char etm)
Enable or disable Encrypt-then-MAC (Default: MBEDTLS_SSL_ETM_ENABLED)
unsigned char min_minor_ver
Definition: ssl.h:734
int mbedtls_ssl_cookie_write_t(void *ctx, unsigned char **p, unsigned char *end, const unsigned char *info, size_t ilen)
Callback type: generate a cookie.
Definition: ssl.h:1332
unsigned char * in_hdr
Definition: ssl.h:845
size_t psk_identity_len
Definition: ssl.h:695
unsigned int dhm_min_bitlen
Definition: ssl.h:728
int mbedtls_ssl_cookie_check_t(void *ctx, const unsigned char *cookie, size_t clen, const unsigned char *info, size_t ilen)
Callback type: verify a cookie.
Definition: ssl.h:1349
void * p_sni
Definition: ssl.h:624
void mbedtls_ssl_set_timer_cb(mbedtls_ssl_context *ssl, void *p_timer, mbedtls_ssl_set_timer_t *f_set_timer, mbedtls_ssl_get_timer_t *f_get_timer)
Set the timer callbacks (Mandatory for DTLS.)
unsigned char * ticket
Definition: ssl.h:576
struct mbedtls_ssl_sig_hash_set_t mbedtls_ssl_sig_hash_set_t
Definition: ssl.h:548
size_t ticket_len
Definition: ssl.h:577
void mbedtls_ssl_conf_extended_master_secret(mbedtls_ssl_config *conf, char ems)
Enable or disable Extended Master Secret negotiation. (Default: MBEDTLS_SSL_EXTENDED_MS_ENABLED) ...
unsigned char * out_iv
Definition: ssl.h:878
mbedtls_ssl_transform * transform_in
Definition: ssl.h:825
size_t in_left
Definition: ssl.h:853
int mbedtls_ssl_send_t(void *ctx, const unsigned char *buf, size_t len)
Callback type: send data on the network.
Definition: ssl.h:447
unsigned int badmac_limit
Definition: ssl.h:724
void * p_psk
Definition: ssl.h:636
void mbedtls_ssl_conf_fallback(mbedtls_ssl_config *conf, char fallback)
Set the fallback flag (client-side only). (Default: MBEDTLS_SSL_IS_NOT_FALLBACK). ...
int mbedtls_ssl_recv_t(void *ctx, unsigned char *buf, size_t len)
Callback type: receive data from the network.
Definition: ssl.h:470
const mbedtls_ecp_group_id * curve_list
Definition: ssl.h:677
This file provides an API for Elliptic Curves over GF(P) (ECP).
void mbedtls_ssl_conf_cbc_record_splitting(mbedtls_ssl_config *conf, char split)
Enable / Disable 1/n-1 record splitting (Default: MBEDTLS_SSL_CBC_RECORD_SPLITTING_ENABLED) ...
unsigned char _pms_dhm[MBEDTLS_MPI_MAX_SIZE]
Definition: ssl.h:370
void * p_cache
Definition: ssl.h:619
void mbedtls_ssl_conf_verify(mbedtls_ssl_config *conf, int(*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *), void *p_vrfy)
Set the verification callback (Optional).
unsigned char _pms_rsa[48]
Definition: ssl.h:367
unsigned char _pms_ecdh[MBEDTLS_ECP_MAX_BYTES]
Definition: ssl.h:376
uint32_t ticket_lifetime
Definition: ssl.h:578
void mbedtls_ssl_conf_renegotiation(mbedtls_ssl_config *conf, int renegotiation)
Enable / Disable renegotiation support for connection when initiated by peer (Default: MBEDTLS_SSL_RE...
mbedtls_ssl_session * session_in
Definition: ssl.h:814
int mbedtls_ssl_conf_dh_param_bin(mbedtls_ssl_config *conf, const unsigned char *dhm_P, size_t P_len, const unsigned char *dhm_G, size_t G_len)
Set the Diffie-Hellman public P and G values from big-endian binary presentations. (Default values: MBEDTLS_DHM_RFC3526_MODP_2048_[PG]_BIN)
unsigned badmac_seen
Definition: ssl.h:801
void mbedtls_ssl_conf_dtls_anti_replay(mbedtls_ssl_config *conf, char mode)
Enable or disable anti-replay protection for DTLS. (DTLS only, no effect on TLS.) Default: enabled...
mbedtls_ssl_get_timer_t * f_get_timer
Definition: ssl.h:836
Configuration options (set of defines)
void mbedtls_ssl_conf_max_version(mbedtls_ssl_config *conf, int major, int minor)
Set the maximum supported version sent from the client side and/or accepted at the server side (Defau...
uint32_t mbedtls_ssl_get_verify_result(const mbedtls_ssl_context *ssl)
Return the result of the certificate verification.
void mbedtls_ssl_conf_session_tickets_cb(mbedtls_ssl_config *conf, mbedtls_ssl_ticket_write_t *f_ticket_write, mbedtls_ssl_ticket_parse_t *f_ticket_parse, void *p_ticket)
Configure SSL session ticket callbacks (server only). (Default: none.)
mbedtls_x509_crl * ca_crl
Definition: ssl.h:669
int mbedtls_ssl_check_pending(const mbedtls_ssl_context *ssl)
Check if there is data already read from the underlying transport but not yet processed.
mbedtls_ssl_session * session_out
Definition: ssl.h:815
const mbedtls_x509_crt * mbedtls_ssl_get_peer_cert(const mbedtls_ssl_context *ssl)
Return the peer certificate from the current connection.
int mbedtls_ssl_send_alert_message(mbedtls_ssl_context *ssl, unsigned char level, unsigned char message)
Send an alert message.
int mbedtls_ssl_recv_timeout_t(void *ctx, unsigned char *buf, size_t len, uint32_t timeout)
Callback type: receive data from the network, with timeout.
Definition: ssl.h:496
SSL Ciphersuites for mbed TLS.
mbedtls_ssl_transform * transform_out
Definition: ssl.h:826
unsigned char mfl_code
Definition: ssl.h:582
void mbedtls_ssl_conf_renegotiation_period(mbedtls_ssl_config *conf, const unsigned char period[8])
Set record counter threshold for periodic renegotiation. (Default: 2^48 - 1)
Multi-precision integer library.
int encrypt_then_mac
Definition: ssl.h:590
size_t in_hslen
Definition: ssl.h:864
int mbedtls_ssl_conf_psk(mbedtls_ssl_config *conf, const unsigned char *psk, size_t psk_len, const unsigned char *psk_identity, size_t psk_identity_len)
Set the Pre Shared Key (PSK) and the expected identity name.
int mbedtls_ssl_conf_max_frag_len(mbedtls_ssl_config *conf, unsigned char mfl_code)
Set the maximum fragment length to emit and/or negotiate (Default: MBEDTLS_SSL_MAX_CONTENT_LEN, usually 2^14 bytes) (Server: set maximum fragment length to emit, usually negotiated by the client during handshake (Client: set maximum fragment length to emit and negotiate with the server during handshake)
time_t mbedtls_time_t
Definition: platform_time.h:53
int mbedtls_ssl_write(mbedtls_ssl_context *ssl, const unsigned char *buf, size_t len)
Try to write exactly 'len' application data bytes.
void mbedtls_ssl_conf_cert_req_ca_list(mbedtls_ssl_config *conf, char cert_req_ca_list)
Whether to send a list of acceptable CAs in CertificateRequest messages. (Default: do send) ...
void mbedtls_ssl_conf_min_version(mbedtls_ssl_config *conf, int major, int minor)
Set the minimum accepted SSL/TLS protocol version (Default: TLS 1.0)
uint64_t in_window
Definition: ssl.h:861
int mbedtls_ssl_close_notify(mbedtls_ssl_context *ssl)
Notify the peer that the connection is being closed.
struct mbedtls_ssl_flight_item mbedtls_ssl_flight_item
Definition: ssl.h:553
void * p_cookie
Definition: ssl.h:646
void mbedtls_ssl_conf_session_tickets(mbedtls_ssl_config *conf, int use_tickets)
Enable / Disable session tickets (client only). (Default: MBEDTLS_SSL_SESSION_TICKETS_ENABLED.)
void mbedtls_ssl_conf_ciphersuites_for_version(mbedtls_ssl_config *conf, const int *ciphersuites, int major, int minor)
Set the list of allowed ciphersuites and the preference order for a specific version of the protocol...
mbedtls_ssl_transform * transform
Definition: ssl.h:827
uint32_t hs_timeout_min
Definition: ssl.h:711
mbedtls_ssl_handshake_params * handshake
Definition: ssl.h:819
void mbedtls_ssl_free(mbedtls_ssl_context *ssl)
Free referenced items in an SSL context and clear memory.
void mbedtls_ssl_conf_export_keys_cb(mbedtls_ssl_config *conf, mbedtls_ssl_export_keys_t *f_export_keys, void *p_export_keys)
Configure key export callback. (Default: none.)
void mbedtls_ssl_conf_endpoint(mbedtls_ssl_config *conf, int endpoint)
Set the current endpoint type.
size_t out_left
Definition: ssl.h:883
void mbedtls_ssl_session_free(mbedtls_ssl_session *session)
Free referenced items in an SSL session including the peer certificate and clear memory.
void mbedtls_ssl_conf_arc4_support(mbedtls_ssl_config *conf, char arc4)
Disable or enable support for RC4 (Default: MBEDTLS_SSL_ARC4_DISABLED)
unsigned char * in_msg
Definition: ssl.h:848
void mbedtls_ssl_conf_sig_hashes(mbedtls_ssl_config *conf, const int *hashes)
Set the allowed hashes for signatures during the handshake. (Default: all available hashes except MD5...
unsigned char min_major_ver
Definition: ssl.h:733
struct mbedtls_ssl_transform mbedtls_ssl_transform
Definition: ssl.h:546
mbedtls_ssl_set_timer_t * f_set_timer
Definition: ssl.h:835
const char * mbedtls_ssl_get_alpn_protocol(const mbedtls_ssl_context *ssl)
Get the name of the negotiated Application Layer Protocol. This function should be called after the h...
void mbedtls_ssl_conf_dhm_min_bitlen(mbedtls_ssl_config *conf, unsigned int bitlen)
Set the minimum length for Diffie-Hellman parameters. (Client-side only.) (Default: 1024 bits...
void mbedtls_ssl_conf_dtls_cookies(mbedtls_ssl_config *conf, mbedtls_ssl_cookie_write_t *f_cookie_write, mbedtls_ssl_cookie_check_t *f_cookie_check, void *p_cookie)
Register callbacks for DTLS cookies (Server only. DTLS only.)
mbedtls_ssl_key_cert * key_cert
Definition: ssl.h:667
MBEDTLS_DEPRECATED int mbedtls_ssl_conf_dh_param(mbedtls_ssl_config *conf, const char *dhm_P, const char *dhm_G)
Set the Diffie-Hellman public P and G values, read as hexadecimal strings (server-side only) (Default...
mbedtls_ssl_recv_t * f_recv
Definition: ssl.h:805
int mbedtls_ssl_get_ciphersuite_id(const char *ciphersuite_name)
Return the ID of the ciphersuite associated with the given name.
void mbedtls_ssl_conf_transport(mbedtls_ssl_config *conf, int transport)
Set the transport type (TLS or DTLS). Default: TLS.
mbedtls_ssl_session * session_negotiate
Definition: ssl.h:817
mbedtls_ssl_states
Definition: ssl.h:406
void mbedtls_ssl_conf_sni(mbedtls_ssl_config *conf, int(*f_sni)(void *, mbedtls_ssl_context *, const unsigned char *, size_t), void *p_sni)
Set server side ServerName TLS extension callback (optional, server-side only).
const int * sig_hashes
Definition: ssl.h:673
const int * mbedtls_ssl_list_ciphersuites(void)
Returns the list of ciphersuites supported by the SSL/TLS module.
void mbedtls_ssl_conf_renegotiation_enforced(mbedtls_ssl_config *conf, int max_records)
Enforce renegotiation requests. (Default: enforced, max_records = 16)
#define MBEDTLS_DEPRECATED
Definition: ssl.h:1736
int mbedtls_ssl_set_client_transport_id(mbedtls_ssl_context *ssl, const unsigned char *info, size_t ilen)
Set client's transport-level identification info. (Server only. DTLS only.)
void mbedtls_ssl_set_bio(mbedtls_ssl_context *ssl, void *p_bio, mbedtls_ssl_send_t *f_send, mbedtls_ssl_recv_t *f_recv, mbedtls_ssl_recv_timeout_t *f_recv_timeout)
Set the underlying BIO callbacks for write, read and read-with-timeout.
size_t id_len
Definition: ssl.h:566
void * p_bio
Definition: ssl.h:809
void mbedtls_ssl_conf_rng(mbedtls_ssl_config *conf, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)
Set the random number generator callback.
int renego_status
Definition: ssl.h:791
int mbedtls_ssl_conf_alpn_protocols(mbedtls_ssl_config *conf, const char **protos)
Set the supported Application Layer Protocols.
void mbedtls_ssl_conf_cert_profile(mbedtls_ssl_config *conf, const mbedtls_x509_crt_profile *profile)
Set the X.509 security profile used for verification.
unsigned char _pms_ecdhe_psk[4+MBEDTLS_ECP_MAX_BYTES+MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:390
void * p_vrfy
Definition: ssl.h:630
const mbedtls_x509_crt_profile * cert_profile
Definition: ssl.h:666
void * p_timer
Definition: ssl.h:833
This file contains Diffie-Hellman-Merkle (DHM) key exchange definitions and functions.
X.509 certificate parsing and writing.
void mbedtls_ssl_conf_session_cache(mbedtls_ssl_config *conf, void *p_cache, int(*f_get_cache)(void *, mbedtls_ssl_session *), int(*f_set_cache)(void *, const mbedtls_ssl_session *))
Set the session cache callbacks (server-side only) If not set, no session resuming is done (except if...
#define MBEDTLS_PSK_MAX_LEN
Definition: ssl.h:360
void mbedtls_ssl_conf_truncated_hmac(mbedtls_ssl_config *conf, int truncate)
Activate negotiation of truncated HMAC (Default: MBEDTLS_SSL_TRUNC_HMAC_DISABLED) ...
mbedtls_ssl_session * session
Definition: ssl.h:816
unsigned char * in_iv
Definition: ssl.h:847
void mbedtls_ssl_init(mbedtls_ssl_context *ssl)
Initialize an SSL context Just makes the context ready for mbedtls_ssl_setup() or mbedtls_ssl_free() ...
mbedtls_ssl_transform * transform_negotiate
Definition: ssl.h:828
const char * mbedtls_ssl_get_ciphersuite(const mbedtls_ssl_context *ssl)
Return the name of the current ciphersuite.
mbedtls_ecp_group_id
Definition: ecp.h:67
unsigned char * out_ctr
Definition: ssl.h:875
int secure_renegotiation
Definition: ssl.h:921
int mbedtls_ssl_get_timer_t(void *ctx)
Callback type: get status of timers/delays.
Definition: ssl.h:537
The DHM context structure.
Definition: dhm.h:99
const mbedtls_ssl_config * conf
Definition: ssl.h:784
void mbedtls_ssl_conf_dbg(mbedtls_ssl_config *conf, void(*f_dbg)(void *, int, const char *, int, const char *), void *p_dbg)
Set the debug callback.
unsigned char * in_offt
Definition: ssl.h:849
unsigned char max_major_ver
Definition: ssl.h:731
unsigned char * psk
Definition: ssl.h:686
void mbedtls_ssl_config_init(mbedtls_ssl_config *conf)
Initialize an SSL configuration context Just makes the context ready for mbedtls_ssl_config_defaults(...
int mbedtls_ssl_get_record_expansion(const mbedtls_ssl_context *ssl)
Return the (maximum) number of bytes added by the record layer: header + encryption/MAC overhead (inc...
const char * alpn_chosen
Definition: ssl.h:906
This file contains ECDH definitions and functions.
int mbedtls_ssl_conf_dh_param_ctx(mbedtls_ssl_config *conf, mbedtls_dhm_context *dhm_ctx)
Set the Diffie-Hellman public P and G values, read from existing context (server-side only) ...
mbedtls_mpi dhm_G
Definition: ssl.h:682
int mbedtls_ssl_set_session(mbedtls_ssl_context *ssl, const mbedtls_ssl_session *session)
Request resumption of session (client-side only) Session data is copied from presented session struct...
#define MBEDTLS_MPI_MAX_SIZE
Definition: bignum.h:77
void * p_export_keys
Definition: ssl.h:662
char * hostname
Definition: ssl.h:901
int mbedtls_ssl_set_hs_own_cert(mbedtls_ssl_context *ssl, mbedtls_x509_crt *own_cert, mbedtls_pk_context *pk_key)
Set own certificate and key for the current handshake.
int mbedtls_ssl_conf_own_cert(mbedtls_ssl_config *conf, mbedtls_x509_crt *own_cert, mbedtls_pk_context *pk_key)
Set own certificate chain and private key.
int mbedtls_ssl_setup(mbedtls_ssl_context *ssl, const mbedtls_ssl_config *conf)
Set up an SSL context for use.
size_t out_msglen
Definition: ssl.h:882
uint32_t read_timeout
Definition: ssl.h:708
void mbedtls_ssl_conf_legacy_renegotiation(mbedtls_ssl_config *conf, int allow_legacy)
Prevent or allow legacy renegotiation. (Default: MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION) ...
unsigned char _pms_rsa_psk[52+MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:386
int mbedtls_ssl_renegotiate(mbedtls_ssl_context *ssl)
Initiate an SSL renegotiation on the running connection. Client: perform the renegotiation right now...
int mbedtls_ssl_export_keys_t(void *p_expkey, const unsigned char *ms, const unsigned char *kb, size_t maclen, size_t keylen, size_t ivlen)
Callback type: Export key block and master secret.
Definition: ssl.h:1245
unsigned char * out_len
Definition: ssl.h:877
uint32_t hs_timeout_max
Definition: ssl.h:713
MPI structure.
Definition: bignum.h:180
X.509 certificate revocation list parsing.
void mbedtls_ssl_conf_psk_cb(mbedtls_ssl_config *conf, int(*f_psk)(void *, mbedtls_ssl_context *, const unsigned char *, size_t), void *p_psk)
Set the PSK callback (server-side only).
unsigned char * cli_id
Definition: ssl.h:913
int renego_max_records
Definition: ssl.h:718
mbedtls_ssl_recv_timeout_t * f_recv_timeout
Definition: ssl.h:806
mbedtls_x509_crt * ca_chain
Definition: ssl.h:668
void mbedtls_ssl_conf_read_timeout(mbedtls_ssl_config *conf, uint32_t timeout)
Set the timeout period for mbedtls_ssl_read() (Default: no timeout.)
size_t verify_data_len
Definition: ssl.h:924
void mbedtls_ssl_config_free(mbedtls_ssl_config *conf)
Free an SSL configuration context.
unsigned char * psk_identity
Definition: ssl.h:692
int mbedtls_ssl_read(mbedtls_ssl_context *ssl, unsigned char *buf, size_t len)
Read at most 'len' application data bytes.
struct mbedtls_ssl_key_cert mbedtls_ssl_key_cert
Definition: ssl.h:550
void mbedtls_ssl_set_timer_t(void *ctx, uint32_t int_ms, uint32_t fin_ms)
Callback type: set a pair of timers/delays to watch.
Definition: ssl.h:522
size_t mbedtls_ssl_get_bytes_avail(const mbedtls_ssl_context *ssl)
Return the number of application data bytes remaining to be read from the current record...
unsigned char _pms_dhe_psk[4+MBEDTLS_MPI_MAX_SIZE+MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:383
size_t next_record_offset
Definition: ssl.h:856
unsigned char * out_buf
Definition: ssl.h:874
size_t psk_len
Definition: ssl.h:689
void mbedtls_ssl_session_init(mbedtls_ssl_session *session)
Initialize SSL session structure.
void * p_dbg
Definition: ssl.h:609
int mbedtls_ssl_ticket_write_t(void *p_ticket, const mbedtls_ssl_session *session, unsigned char *start, const unsigned char *end, size_t *tlen, uint32_t *lifetime)
Callback type: generate and write session ticket.
Definition: ssl.h:1217
size_t cli_id_len
Definition: ssl.h:914
void mbedtls_ssl_conf_handshake_timeout(mbedtls_ssl_config *conf, uint32_t min, uint32_t max)
Set retransmit timeout values for the DTLS handshake. (DTLS only, no effect on TLS.)
mbed TLS Platform time abstraction
int mbedtls_ssl_config_defaults(mbedtls_ssl_config *conf, int endpoint, int transport, int preset)
Load reasonnable default SSL configuration values. (You need to call mbedtls_ssl_config_init() first...
void mbedtls_ssl_conf_ca_chain(mbedtls_ssl_config *conf, mbedtls_x509_crt *ca_chain, mbedtls_x509_crl *ca_crl)
Set the data required to verify peer certificate.
void mbedtls_ssl_conf_curves(mbedtls_ssl_config *conf, const mbedtls_ecp_group_id *curves)
Set the allowed curves in order of preference. (Default: all defined curves.)
int renego_records_seen
Definition: ssl.h:792
unsigned char * out_hdr
Definition: ssl.h:876
void mbedtls_ssl_conf_dtls_badmac_limit(mbedtls_ssl_config *conf, unsigned limit)
Set a limit on the number of records with a bad MAC before terminating the connection. (DTLS only, no effect on TLS.) Default: 0 (disabled).
unsigned char _pms_psk[4+2 *MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:379
uint32_t verify_result
Definition: ssl.h:573
int mbedtls_ssl_handshake(mbedtls_ssl_context *ssl)
Perform the SSL handshake.
void mbedtls_ssl_set_hs_authmode(mbedtls_ssl_context *ssl, int authmode)
Set authmode for the current handshake.
int keep_current_message
Definition: ssl.h:868
signed char split_done
Definition: ssl.h:889
int mbedtls_ssl_handshake_step(mbedtls_ssl_context *ssl)
Perform a single step of the SSL handshake.
const char * mbedtls_ssl_get_version(const mbedtls_ssl_context *ssl)
Return the current SSL version (SSLv3/TLSv1/etc)
void mbedtls_ssl_conf_authmode(mbedtls_ssl_config *conf, int authmode)
Set the certificate verification mode Default: NONE on server, REQUIRED on client.
int mbedtls_ssl_session_reset(mbedtls_ssl_context *ssl)
Reset an already initialized SSL context for re-use while retaining application-set variables...
int mbedtls_ssl_set_hostname(mbedtls_ssl_context *ssl, const char *hostname)
Set or reset the hostname to check against the received server certificate. It sets the ServerName TL...
struct mbedtls_ssl_handshake_params mbedtls_ssl_handshake_params
Definition: ssl.h:547
#define MBEDTLS_ECP_MAX_BYTES
Definition: ecp.h:199
int mbedtls_ssl_set_hs_psk(mbedtls_ssl_context *ssl, const unsigned char *psk, size_t psk_len)
Set the Pre Shared Key (PSK) for the current handshake.
int mbedtls_ssl_get_session(const mbedtls_ssl_context *ssl, mbedtls_ssl_session *session)
Save session in order to resume it later (client-side only) Session data is copied to presented sessi...
void * p_ticket
Definition: ssl.h:655
void mbedtls_ssl_conf_ciphersuites(mbedtls_ssl_config *conf, const int *ciphersuites)
Set the list of allowed ciphersuites and the preference order. First in the list has the highest pref...
size_t mbedtls_ssl_get_max_frag_len(const mbedtls_ssl_context *ssl)
Return the maximum fragment length (payload, in bytes). This is the value negotiated with peer if any...
#define MBEDTLS_SSL_VERIFY_DATA_MAX_LEN
Definition: ssl.h:244
mbedtls_time_t start
Definition: ssl.h:562
size_t in_msglen
Definition: ssl.h:852
uint16_t in_epoch
Definition: ssl.h:855