mbed TLS v2.16.6
ssl.h
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1 
6 /*
7  * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
8  * SPDX-License-Identifier: GPL-2.0
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License along
21  * with this program; if not, write to the Free Software Foundation, Inc.,
22  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23  *
24  * This file is part of mbed TLS (https://tls.mbed.org)
25  */
26 #ifndef MBEDTLS_SSL_H
27 #define MBEDTLS_SSL_H
28 
29 #if !defined(MBEDTLS_CONFIG_FILE)
30 #include "config.h"
31 #else
32 #include MBEDTLS_CONFIG_FILE
33 #endif
34 
35 #include "bignum.h"
36 #include "ecp.h"
37 
38 #include "ssl_ciphersuites.h"
39 
40 #if defined(MBEDTLS_X509_CRT_PARSE_C)
41 #include "x509_crt.h"
42 #include "x509_crl.h"
43 #endif
44 
45 #if defined(MBEDTLS_DHM_C)
46 #include "dhm.h"
47 #endif
48 
49 #if defined(MBEDTLS_ECDH_C)
50 #include "ecdh.h"
51 #endif
52 
53 #if defined(MBEDTLS_ZLIB_SUPPORT)
54 
55 #if defined(MBEDTLS_DEPRECATED_WARNING)
56 #warning "Record compression support via MBEDTLS_ZLIB_SUPPORT is deprecated and will be removed in the next major revision of the library"
57 #endif
58 
59 #if defined(MBEDTLS_DEPRECATED_REMOVED)
60 #error "Record compression support via MBEDTLS_ZLIB_SUPPORT is deprecated and cannot be used if MBEDTLS_DEPRECATED_REMOVED is set"
61 #endif
62 
63 #include "zlib.h"
64 #endif
65 
66 #if defined(MBEDTLS_HAVE_TIME)
67 #include "platform_time.h"
68 #endif
69 
70 /*
71  * SSL Error codes
72  */
73 #define MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE -0x7080
74 #define MBEDTLS_ERR_SSL_BAD_INPUT_DATA -0x7100
75 #define MBEDTLS_ERR_SSL_INVALID_MAC -0x7180
76 #define MBEDTLS_ERR_SSL_INVALID_RECORD -0x7200
77 #define MBEDTLS_ERR_SSL_CONN_EOF -0x7280
78 #define MBEDTLS_ERR_SSL_UNKNOWN_CIPHER -0x7300
79 #define MBEDTLS_ERR_SSL_NO_CIPHER_CHOSEN -0x7380
80 #define MBEDTLS_ERR_SSL_NO_RNG -0x7400
81 #define MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE -0x7480
82 #define MBEDTLS_ERR_SSL_CERTIFICATE_TOO_LARGE -0x7500
83 #define MBEDTLS_ERR_SSL_CERTIFICATE_REQUIRED -0x7580
84 #define MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED -0x7600
85 #define MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED -0x7680
86 #define MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE -0x7700
87 #define MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE -0x7780
88 #define MBEDTLS_ERR_SSL_PEER_VERIFY_FAILED -0x7800
89 #define MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY -0x7880
90 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO -0x7900
91 #define MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO -0x7980
92 #define MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE -0x7A00
93 #define MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST -0x7A80
94 #define MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE -0x7B00
95 #define MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE -0x7B80
96 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE -0x7C00
97 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP -0x7C80
98 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS -0x7D00
99 #define MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY -0x7D80
100 #define MBEDTLS_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC -0x7E00
101 #define MBEDTLS_ERR_SSL_BAD_HS_FINISHED -0x7E80
102 #define MBEDTLS_ERR_SSL_ALLOC_FAILED -0x7F00
103 #define MBEDTLS_ERR_SSL_HW_ACCEL_FAILED -0x7F80
104 #define MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH -0x6F80
105 #define MBEDTLS_ERR_SSL_COMPRESSION_FAILED -0x6F00
106 #define MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION -0x6E80
107 #define MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET -0x6E00
108 #define MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED -0x6D80
109 #define MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH -0x6D00
110 #define MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY -0x6C80
111 #define MBEDTLS_ERR_SSL_INTERNAL_ERROR -0x6C00
112 #define MBEDTLS_ERR_SSL_COUNTER_WRAPPING -0x6B80
113 #define MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO -0x6B00
114 #define MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED -0x6A80
115 #define MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL -0x6A00
116 #define MBEDTLS_ERR_SSL_NO_USABLE_CIPHERSUITE -0x6980
117 #define MBEDTLS_ERR_SSL_WANT_READ -0x6900
118 #define MBEDTLS_ERR_SSL_WANT_WRITE -0x6880
119 #define MBEDTLS_ERR_SSL_TIMEOUT -0x6800
120 #define MBEDTLS_ERR_SSL_CLIENT_RECONNECT -0x6780
121 #define MBEDTLS_ERR_SSL_UNEXPECTED_RECORD -0x6700
122 #define MBEDTLS_ERR_SSL_NON_FATAL -0x6680
123 #define MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH -0x6600
124 #define MBEDTLS_ERR_SSL_CONTINUE_PROCESSING -0x6580
125 #define MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS -0x6500
126 #define MBEDTLS_ERR_SSL_EARLY_MESSAGE -0x6480
127 #define MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS -0x7000
129 /*
130  * Various constants
131  */
132 #define MBEDTLS_SSL_MAJOR_VERSION_3 3
133 #define MBEDTLS_SSL_MINOR_VERSION_0 0
134 #define MBEDTLS_SSL_MINOR_VERSION_1 1
135 #define MBEDTLS_SSL_MINOR_VERSION_2 2
136 #define MBEDTLS_SSL_MINOR_VERSION_3 3
138 #define MBEDTLS_SSL_TRANSPORT_STREAM 0
139 #define MBEDTLS_SSL_TRANSPORT_DATAGRAM 1
141 #define MBEDTLS_SSL_MAX_HOST_NAME_LEN 255
143 /* RFC 6066 section 4, see also mfl_code_to_length in ssl_tls.c
144  * NONE must be zero so that memset()ing structure to zero works */
145 #define MBEDTLS_SSL_MAX_FRAG_LEN_NONE 0
146 #define MBEDTLS_SSL_MAX_FRAG_LEN_512 1
147 #define MBEDTLS_SSL_MAX_FRAG_LEN_1024 2
148 #define MBEDTLS_SSL_MAX_FRAG_LEN_2048 3
149 #define MBEDTLS_SSL_MAX_FRAG_LEN_4096 4
150 #define MBEDTLS_SSL_MAX_FRAG_LEN_INVALID 5
152 #define MBEDTLS_SSL_IS_CLIENT 0
153 #define MBEDTLS_SSL_IS_SERVER 1
154 
155 #define MBEDTLS_SSL_IS_NOT_FALLBACK 0
156 #define MBEDTLS_SSL_IS_FALLBACK 1
157 
158 #define MBEDTLS_SSL_EXTENDED_MS_DISABLED 0
159 #define MBEDTLS_SSL_EXTENDED_MS_ENABLED 1
160 
161 #define MBEDTLS_SSL_ETM_DISABLED 0
162 #define MBEDTLS_SSL_ETM_ENABLED 1
163 
164 #define MBEDTLS_SSL_COMPRESS_NULL 0
165 #define MBEDTLS_SSL_COMPRESS_DEFLATE 1
166 
167 #define MBEDTLS_SSL_VERIFY_NONE 0
168 #define MBEDTLS_SSL_VERIFY_OPTIONAL 1
169 #define MBEDTLS_SSL_VERIFY_REQUIRED 2
170 #define MBEDTLS_SSL_VERIFY_UNSET 3 /* Used only for sni_authmode */
171 
172 #define MBEDTLS_SSL_LEGACY_RENEGOTIATION 0
173 #define MBEDTLS_SSL_SECURE_RENEGOTIATION 1
174 
175 #define MBEDTLS_SSL_RENEGOTIATION_DISABLED 0
176 #define MBEDTLS_SSL_RENEGOTIATION_ENABLED 1
177 
178 #define MBEDTLS_SSL_ANTI_REPLAY_DISABLED 0
179 #define MBEDTLS_SSL_ANTI_REPLAY_ENABLED 1
180 
181 #define MBEDTLS_SSL_RENEGOTIATION_NOT_ENFORCED -1
182 #define MBEDTLS_SSL_RENEGO_MAX_RECORDS_DEFAULT 16
183 
184 #define MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION 0
185 #define MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION 1
186 #define MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE 2
187 
188 #define MBEDTLS_SSL_TRUNC_HMAC_DISABLED 0
189 #define MBEDTLS_SSL_TRUNC_HMAC_ENABLED 1
190 #define MBEDTLS_SSL_TRUNCATED_HMAC_LEN 10 /* 80 bits, rfc 6066 section 7 */
191 
192 #define MBEDTLS_SSL_SESSION_TICKETS_DISABLED 0
193 #define MBEDTLS_SSL_SESSION_TICKETS_ENABLED 1
194 
195 #define MBEDTLS_SSL_CBC_RECORD_SPLITTING_DISABLED 0
196 #define MBEDTLS_SSL_CBC_RECORD_SPLITTING_ENABLED 1
197 
198 #define MBEDTLS_SSL_ARC4_ENABLED 0
199 #define MBEDTLS_SSL_ARC4_DISABLED 1
200 
201 #define MBEDTLS_SSL_PRESET_DEFAULT 0
202 #define MBEDTLS_SSL_PRESET_SUITEB 2
203 
204 #define MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED 1
205 #define MBEDTLS_SSL_CERT_REQ_CA_LIST_DISABLED 0
206 
207 /*
208  * Default range for DTLS retransmission timer value, in milliseconds.
209  * RFC 6347 4.2.4.1 says from 1 second to 60 seconds.
210  */
211 #define MBEDTLS_SSL_DTLS_TIMEOUT_DFL_MIN 1000
212 #define MBEDTLS_SSL_DTLS_TIMEOUT_DFL_MAX 60000
213 
222 #if !defined(MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME)
223 #define MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME 86400
224 #endif
225 
226 /*
227  * Maximum fragment length in bytes,
228  * determines the size of each of the two internal I/O buffers.
229  *
230  * Note: the RFC defines the default size of SSL / TLS messages. If you
231  * change the value here, other clients / servers may not be able to
232  * communicate with you anymore. Only change this value if you control
233  * both sides of the connection and have it reduced at both sides, or
234  * if you're using the Max Fragment Length extension and you know all your
235  * peers are using it too!
236  */
237 #if !defined(MBEDTLS_SSL_MAX_CONTENT_LEN)
238 #define MBEDTLS_SSL_MAX_CONTENT_LEN 16384
239 #endif
240 
241 #if !defined(MBEDTLS_SSL_IN_CONTENT_LEN)
242 #define MBEDTLS_SSL_IN_CONTENT_LEN MBEDTLS_SSL_MAX_CONTENT_LEN
243 #endif
244 
245 #if !defined(MBEDTLS_SSL_OUT_CONTENT_LEN)
246 #define MBEDTLS_SSL_OUT_CONTENT_LEN MBEDTLS_SSL_MAX_CONTENT_LEN
247 #endif
248 
249 /*
250  * Maximum number of heap-allocated bytes for the purpose of
251  * DTLS handshake message reassembly and future message buffering.
252  */
253 #if !defined(MBEDTLS_SSL_DTLS_MAX_BUFFERING)
254 #define MBEDTLS_SSL_DTLS_MAX_BUFFERING 32768
255 #endif
256 
257 /* \} name SECTION: Module settings */
258 
259 /*
260  * Length of the verify data for secure renegotiation
261  */
262 #if defined(MBEDTLS_SSL_PROTO_SSL3)
263 #define MBEDTLS_SSL_VERIFY_DATA_MAX_LEN 36
264 #else
265 #define MBEDTLS_SSL_VERIFY_DATA_MAX_LEN 12
266 #endif
267 
268 /*
269  * Signaling ciphersuite values (SCSV)
270  */
271 #define MBEDTLS_SSL_EMPTY_RENEGOTIATION_INFO 0xFF
272 #define MBEDTLS_SSL_FALLBACK_SCSV_VALUE 0x5600
274 /*
275  * Supported Signature and Hash algorithms (For TLS 1.2)
276  * RFC 5246 section 7.4.1.4.1
277  */
278 #define MBEDTLS_SSL_HASH_NONE 0
279 #define MBEDTLS_SSL_HASH_MD5 1
280 #define MBEDTLS_SSL_HASH_SHA1 2
281 #define MBEDTLS_SSL_HASH_SHA224 3
282 #define MBEDTLS_SSL_HASH_SHA256 4
283 #define MBEDTLS_SSL_HASH_SHA384 5
284 #define MBEDTLS_SSL_HASH_SHA512 6
285 
286 #define MBEDTLS_SSL_SIG_ANON 0
287 #define MBEDTLS_SSL_SIG_RSA 1
288 #define MBEDTLS_SSL_SIG_ECDSA 3
289 
290 /*
291  * Client Certificate Types
292  * RFC 5246 section 7.4.4 plus RFC 4492 section 5.5
293  */
294 #define MBEDTLS_SSL_CERT_TYPE_RSA_SIGN 1
295 #define MBEDTLS_SSL_CERT_TYPE_ECDSA_SIGN 64
296 
297 /*
298  * Message, alert and handshake types
299  */
300 #define MBEDTLS_SSL_MSG_CHANGE_CIPHER_SPEC 20
301 #define MBEDTLS_SSL_MSG_ALERT 21
302 #define MBEDTLS_SSL_MSG_HANDSHAKE 22
303 #define MBEDTLS_SSL_MSG_APPLICATION_DATA 23
304 
305 #define MBEDTLS_SSL_ALERT_LEVEL_WARNING 1
306 #define MBEDTLS_SSL_ALERT_LEVEL_FATAL 2
307 
308 #define MBEDTLS_SSL_ALERT_MSG_CLOSE_NOTIFY 0 /* 0x00 */
309 #define MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE 10 /* 0x0A */
310 #define MBEDTLS_SSL_ALERT_MSG_BAD_RECORD_MAC 20 /* 0x14 */
311 #define MBEDTLS_SSL_ALERT_MSG_DECRYPTION_FAILED 21 /* 0x15 */
312 #define MBEDTLS_SSL_ALERT_MSG_RECORD_OVERFLOW 22 /* 0x16 */
313 #define MBEDTLS_SSL_ALERT_MSG_DECOMPRESSION_FAILURE 30 /* 0x1E */
314 #define MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE 40 /* 0x28 */
315 #define MBEDTLS_SSL_ALERT_MSG_NO_CERT 41 /* 0x29 */
316 #define MBEDTLS_SSL_ALERT_MSG_BAD_CERT 42 /* 0x2A */
317 #define MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_CERT 43 /* 0x2B */
318 #define MBEDTLS_SSL_ALERT_MSG_CERT_REVOKED 44 /* 0x2C */
319 #define MBEDTLS_SSL_ALERT_MSG_CERT_EXPIRED 45 /* 0x2D */
320 #define MBEDTLS_SSL_ALERT_MSG_CERT_UNKNOWN 46 /* 0x2E */
321 #define MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER 47 /* 0x2F */
322 #define MBEDTLS_SSL_ALERT_MSG_UNKNOWN_CA 48 /* 0x30 */
323 #define MBEDTLS_SSL_ALERT_MSG_ACCESS_DENIED 49 /* 0x31 */
324 #define MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR 50 /* 0x32 */
325 #define MBEDTLS_SSL_ALERT_MSG_DECRYPT_ERROR 51 /* 0x33 */
326 #define MBEDTLS_SSL_ALERT_MSG_EXPORT_RESTRICTION 60 /* 0x3C */
327 #define MBEDTLS_SSL_ALERT_MSG_PROTOCOL_VERSION 70 /* 0x46 */
328 #define MBEDTLS_SSL_ALERT_MSG_INSUFFICIENT_SECURITY 71 /* 0x47 */
329 #define MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR 80 /* 0x50 */
330 #define MBEDTLS_SSL_ALERT_MSG_INAPROPRIATE_FALLBACK 86 /* 0x56 */
331 #define MBEDTLS_SSL_ALERT_MSG_USER_CANCELED 90 /* 0x5A */
332 #define MBEDTLS_SSL_ALERT_MSG_NO_RENEGOTIATION 100 /* 0x64 */
333 #define MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT 110 /* 0x6E */
334 #define MBEDTLS_SSL_ALERT_MSG_UNRECOGNIZED_NAME 112 /* 0x70 */
335 #define MBEDTLS_SSL_ALERT_MSG_UNKNOWN_PSK_IDENTITY 115 /* 0x73 */
336 #define MBEDTLS_SSL_ALERT_MSG_NO_APPLICATION_PROTOCOL 120 /* 0x78 */
337 
338 #define MBEDTLS_SSL_HS_HELLO_REQUEST 0
339 #define MBEDTLS_SSL_HS_CLIENT_HELLO 1
340 #define MBEDTLS_SSL_HS_SERVER_HELLO 2
341 #define MBEDTLS_SSL_HS_HELLO_VERIFY_REQUEST 3
342 #define MBEDTLS_SSL_HS_NEW_SESSION_TICKET 4
343 #define MBEDTLS_SSL_HS_CERTIFICATE 11
344 #define MBEDTLS_SSL_HS_SERVER_KEY_EXCHANGE 12
345 #define MBEDTLS_SSL_HS_CERTIFICATE_REQUEST 13
346 #define MBEDTLS_SSL_HS_SERVER_HELLO_DONE 14
347 #define MBEDTLS_SSL_HS_CERTIFICATE_VERIFY 15
348 #define MBEDTLS_SSL_HS_CLIENT_KEY_EXCHANGE 16
349 #define MBEDTLS_SSL_HS_FINISHED 20
350 
351 /*
352  * TLS extensions
353  */
354 #define MBEDTLS_TLS_EXT_SERVERNAME 0
355 #define MBEDTLS_TLS_EXT_SERVERNAME_HOSTNAME 0
356 
357 #define MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH 1
358 
359 #define MBEDTLS_TLS_EXT_TRUNCATED_HMAC 4
360 
361 #define MBEDTLS_TLS_EXT_SUPPORTED_ELLIPTIC_CURVES 10
362 #define MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS 11
363 
364 #define MBEDTLS_TLS_EXT_SIG_ALG 13
365 
366 #define MBEDTLS_TLS_EXT_ALPN 16
367 
368 #define MBEDTLS_TLS_EXT_ENCRYPT_THEN_MAC 22 /* 0x16 */
369 #define MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET 0x0017 /* 23 */
370 
371 #define MBEDTLS_TLS_EXT_SESSION_TICKET 35
372 
373 #define MBEDTLS_TLS_EXT_ECJPAKE_KKPP 256 /* experimental */
374 
375 #define MBEDTLS_TLS_EXT_RENEGOTIATION_INFO 0xFF01
376 
377 /*
378  * Size defines
379  */
380 #if !defined(MBEDTLS_PSK_MAX_LEN)
381 #define MBEDTLS_PSK_MAX_LEN 32 /* 256 bits */
382 #endif
383 
384 /* Dummy type used only for its size */
386 {
387 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)
388  unsigned char _pms_rsa[48]; /* RFC 5246 8.1.1 */
389 #endif
390 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)
391  unsigned char _pms_dhm[MBEDTLS_MPI_MAX_SIZE]; /* RFC 5246 8.1.2 */
392 #endif
393 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) || \
394  defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) || \
395  defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) || \
396  defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
397  unsigned char _pms_ecdh[MBEDTLS_ECP_MAX_BYTES]; /* RFC 4492 5.10 */
398 #endif
399 #if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)
400  unsigned char _pms_psk[4 + 2 * MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 2 */
401 #endif
402 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
403  unsigned char _pms_dhe_psk[4 + MBEDTLS_MPI_MAX_SIZE
404  + MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 3 */
405 #endif
406 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED)
407  unsigned char _pms_rsa_psk[52 + MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 4 */
408 #endif
409 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
410  unsigned char _pms_ecdhe_psk[4 + MBEDTLS_ECP_MAX_BYTES
411  + MBEDTLS_PSK_MAX_LEN]; /* RFC 5489 2 */
412 #endif
413 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
414  unsigned char _pms_ecjpake[32]; /* Thread spec: SHA-256 output */
415 #endif
416 };
417 
418 #define MBEDTLS_PREMASTER_SIZE sizeof( union mbedtls_ssl_premaster_secret )
419 
420 #ifdef __cplusplus
421 extern "C" {
422 #endif
423 
424 /*
425  * SSL state machine
426  */
427 typedef enum
428 {
448 }
450 
468 typedef int mbedtls_ssl_send_t( void *ctx,
469  const unsigned char *buf,
470  size_t len );
471 
491 typedef int mbedtls_ssl_recv_t( void *ctx,
492  unsigned char *buf,
493  size_t len );
494 
517 typedef int mbedtls_ssl_recv_timeout_t( void *ctx,
518  unsigned char *buf,
519  size_t len,
520  uint32_t timeout );
543 typedef void mbedtls_ssl_set_timer_t( void * ctx,
544  uint32_t int_ms,
545  uint32_t fin_ms );
546 
558 typedef int mbedtls_ssl_get_timer_t( void * ctx );
559 
560 /* Defined below */
564 
565 /* Defined in ssl_internal.h */
569 #if defined(MBEDTLS_X509_CRT_PARSE_C)
571 #endif
572 #if defined(MBEDTLS_SSL_PROTO_DTLS)
574 #endif
575 
576 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
577 #if defined(MBEDTLS_X509_CRT_PARSE_C)
578 
649 typedef int mbedtls_ssl_async_sign_t( mbedtls_ssl_context *ssl,
650  mbedtls_x509_crt *cert,
651  mbedtls_md_type_t md_alg,
652  const unsigned char *hash,
653  size_t hash_len );
654 
715 typedef int mbedtls_ssl_async_decrypt_t( mbedtls_ssl_context *ssl,
716  mbedtls_x509_crt *cert,
717  const unsigned char *input,
718  size_t input_len );
719 #endif /* MBEDTLS_X509_CRT_PARSE_C */
720 
763 typedef int mbedtls_ssl_async_resume_t( mbedtls_ssl_context *ssl,
764  unsigned char *output,
765  size_t *output_len,
766  size_t output_size );
767 
785 typedef void mbedtls_ssl_async_cancel_t( mbedtls_ssl_context *ssl );
786 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
787 
788 /*
789  * This structure is used for storing current session data.
790  */
792 {
793 #if defined(MBEDTLS_HAVE_TIME)
795 #endif
798  size_t id_len;
799  unsigned char id[32];
800  unsigned char master[48];
802 #if defined(MBEDTLS_X509_CRT_PARSE_C)
804 #endif /* MBEDTLS_X509_CRT_PARSE_C */
805  uint32_t verify_result;
807 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C)
808  unsigned char *ticket;
809  size_t ticket_len;
810  uint32_t ticket_lifetime;
811 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_CLI_C */
812 
813 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
814  unsigned char mfl_code;
815 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
816 
817 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
819 #endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
820 
821 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
823 #endif
824 };
825 
830 {
831  /* Group items by size (largest first) to minimize padding overhead */
832 
833  /*
834  * Pointers
835  */
836 
837  const int *ciphersuite_list[4];
840  void (*f_dbg)(void *, int, const char *, int, const char *);
841  void *p_dbg;
844  int (*f_rng)(void *, unsigned char *, size_t);
845  void *p_rng;
848  int (*f_get_cache)(void *, mbedtls_ssl_session *);
850  int (*f_set_cache)(void *, const mbedtls_ssl_session *);
851  void *p_cache;
853 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
854 
855  int (*f_sni)(void *, mbedtls_ssl_context *, const unsigned char *, size_t);
856  void *p_sni;
857 #endif
858 
859 #if defined(MBEDTLS_X509_CRT_PARSE_C)
860 
861  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *);
862  void *p_vrfy;
863 #endif
864 
865 #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
866 
867  int (*f_psk)(void *, mbedtls_ssl_context *, const unsigned char *, size_t);
868  void *p_psk;
869 #endif
870 
871 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
872 
873  int (*f_cookie_write)( void *, unsigned char **, unsigned char *,
874  const unsigned char *, size_t );
876  int (*f_cookie_check)( void *, const unsigned char *, size_t,
877  const unsigned char *, size_t );
878  void *p_cookie;
879 #endif
880 
881 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_SRV_C)
882 
883  int (*f_ticket_write)( void *, const mbedtls_ssl_session *,
884  unsigned char *, const unsigned char *, size_t *, uint32_t * );
886  int (*f_ticket_parse)( void *, mbedtls_ssl_session *, unsigned char *, size_t);
887  void *p_ticket;
888 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_SRV_C */
889 
890 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
891 
892  int (*f_export_keys)( void *, const unsigned char *,
893  const unsigned char *, size_t, size_t, size_t );
895 #endif
896 
897 #if defined(MBEDTLS_X509_CRT_PARSE_C)
900  mbedtls_x509_crt *ca_chain;
902 #endif /* MBEDTLS_X509_CRT_PARSE_C */
903 
904 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
905 #if defined(MBEDTLS_X509_CRT_PARSE_C)
906  mbedtls_ssl_async_sign_t *f_async_sign_start;
907  mbedtls_ssl_async_decrypt_t *f_async_decrypt_start;
908 #endif /* MBEDTLS_X509_CRT_PARSE_C */
909  mbedtls_ssl_async_resume_t *f_async_resume;
910  mbedtls_ssl_async_cancel_t *f_async_cancel;
911  void *p_async_config_data;
912 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
913 
914 #if defined(MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED)
915  const int *sig_hashes;
916 #endif
917 
918 #if defined(MBEDTLS_ECP_C)
920 #endif
921 
922 #if defined(MBEDTLS_DHM_C)
925 #endif
926 
927 #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
928  unsigned char *psk;
931  size_t psk_len;
934  unsigned char *psk_identity;
940 #endif
941 
942 #if defined(MBEDTLS_SSL_ALPN)
943  const char **alpn_list;
944 #endif
945 
946  /*
947  * Numerical settings (int then char)
948  */
949 
950  uint32_t read_timeout;
952 #if defined(MBEDTLS_SSL_PROTO_DTLS)
953  uint32_t hs_timeout_min;
955  uint32_t hs_timeout_max;
957 #endif
958 
959 #if defined(MBEDTLS_SSL_RENEGOTIATION)
961  unsigned char renego_period[8];
963 #endif
964 
965 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
966  unsigned int badmac_limit;
967 #endif
968 
969 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_CLI_C)
970  unsigned int dhm_min_bitlen;
971 #endif
972 
973  unsigned char max_major_ver;
974  unsigned char max_minor_ver;
975  unsigned char min_major_ver;
976  unsigned char min_minor_ver;
978  /*
979  * Flags (bitfields)
980  */
981 
982  unsigned int endpoint : 1;
983  unsigned int transport : 1;
984  unsigned int authmode : 2;
985  /* needed even with renego disabled for LEGACY_BREAK_HANDSHAKE */
986  unsigned int allow_legacy_renegotiation : 2 ;
987 #if defined(MBEDTLS_ARC4_C)
988  unsigned int arc4_disabled : 1;
989 #endif
990 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
991  unsigned int mfl_code : 3;
992 #endif
993 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
994  unsigned int encrypt_then_mac : 1 ;
995 #endif
996 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
997  unsigned int extended_ms : 1;
998 #endif
999 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
1000  unsigned int anti_replay : 1;
1001 #endif
1002 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
1003  unsigned int cbc_record_splitting : 1;
1004 #endif
1005 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1006  unsigned int disable_renegotiation : 1;
1007 #endif
1008 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
1009  unsigned int trunc_hmac : 1;
1010 #endif
1011 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
1012  unsigned int session_tickets : 1;
1013 #endif
1014 #if defined(MBEDTLS_SSL_FALLBACK_SCSV) && defined(MBEDTLS_SSL_CLI_C)
1015  unsigned int fallback : 1;
1016 #endif
1017 #if defined(MBEDTLS_SSL_SRV_C)
1018  unsigned int cert_req_ca_list : 1;
1020 #endif
1021 };
1022 
1023 
1025 {
1028  /*
1029  * Miscellaneous
1030  */
1031  int state;
1032 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1037 #endif /* MBEDTLS_SSL_RENEGOTIATION */
1038 
1042 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
1043  unsigned badmac_seen;
1044 #endif /* MBEDTLS_SSL_DTLS_BADMAC_LIMIT */
1045 
1051  void *p_bio;
1053  /*
1054  * Session layer
1055  */
1064  /*
1065  * Record layer transformations
1066  */
1072  /*
1073  * Timers
1074  */
1075  void *p_timer;
1080  /*
1081  * Record layer (incoming data)
1082  */
1083  unsigned char *in_buf;
1084  unsigned char *in_ctr;
1087  unsigned char *in_hdr;
1088  unsigned char *in_len;
1089  unsigned char *in_iv;
1090  unsigned char *in_msg;
1091  unsigned char *in_offt;
1094  size_t in_msglen;
1095  size_t in_left;
1096 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1097  uint16_t in_epoch;
1100 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1101 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
1102  uint64_t in_window_top;
1103  uint64_t in_window;
1104 #endif /* MBEDTLS_SSL_DTLS_ANTI_REPLAY */
1105 
1106  size_t in_hslen;
1108  int nb_zero;
1113 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1116 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1117 
1118  /*
1119  * Record layer (outgoing data)
1120  */
1121  unsigned char *out_buf;
1122  unsigned char *out_ctr;
1123  unsigned char *out_hdr;
1124  unsigned char *out_len;
1125  unsigned char *out_iv;
1126  unsigned char *out_msg;
1129  size_t out_msglen;
1130  size_t out_left;
1132  unsigned char cur_out_ctr[8];
1134 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1135  uint16_t mtu;
1136 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1137 
1138 #if defined(MBEDTLS_ZLIB_SUPPORT)
1139  unsigned char *compress_buf;
1140 #endif /* MBEDTLS_ZLIB_SUPPORT */
1141 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
1142  signed char split_done;
1143 #endif /* MBEDTLS_SSL_CBC_RECORD_SPLITTING */
1144 
1145  /*
1146  * PKI layer
1147  */
1150  /*
1151  * User settings
1152  */
1153 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1154  char *hostname;
1156 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1157 
1158 #if defined(MBEDTLS_SSL_ALPN)
1159  const char *alpn_chosen;
1160 #endif /* MBEDTLS_SSL_ALPN */
1161 
1162  /*
1163  * Information for DTLS hello verify
1164  */
1165 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
1166  unsigned char *cli_id;
1167  size_t cli_id_len;
1168 #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY && MBEDTLS_SSL_SRV_C */
1169 
1170  /*
1171  * Secure renegotiation
1172  */
1173  /* needed to know when to send extension on server */
1176 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1180 #endif /* MBEDTLS_SSL_RENEGOTIATION */
1181 };
1182 
1183 #if defined(MBEDTLS_SSL_HW_RECORD_ACCEL)
1184 
1185 #define MBEDTLS_SSL_CHANNEL_OUTBOUND 0
1186 #define MBEDTLS_SSL_CHANNEL_INBOUND 1
1187 
1188 extern int (*mbedtls_ssl_hw_record_init)(mbedtls_ssl_context *ssl,
1189  const unsigned char *key_enc, const unsigned char *key_dec,
1190  size_t keylen,
1191  const unsigned char *iv_enc, const unsigned char *iv_dec,
1192  size_t ivlen,
1193  const unsigned char *mac_enc, const unsigned char *mac_dec,
1194  size_t maclen);
1195 extern int (*mbedtls_ssl_hw_record_activate)(mbedtls_ssl_context *ssl, int direction);
1196 extern int (*mbedtls_ssl_hw_record_reset)(mbedtls_ssl_context *ssl);
1197 extern int (*mbedtls_ssl_hw_record_write)(mbedtls_ssl_context *ssl);
1198 extern int (*mbedtls_ssl_hw_record_read)(mbedtls_ssl_context *ssl);
1199 extern int (*mbedtls_ssl_hw_record_finish)(mbedtls_ssl_context *ssl);
1200 #endif /* MBEDTLS_SSL_HW_RECORD_ACCEL */
1201 
1210 const char *mbedtls_ssl_get_ciphersuite_name( const int ciphersuite_id );
1211 
1220 int mbedtls_ssl_get_ciphersuite_id( const char *ciphersuite_name );
1221 
1230 
1252  const mbedtls_ssl_config *conf );
1253 
1265 
1272 void mbedtls_ssl_conf_endpoint( mbedtls_ssl_config *conf, int endpoint );
1273 
1288 void mbedtls_ssl_conf_transport( mbedtls_ssl_config *conf, int transport );
1289 
1316 void mbedtls_ssl_conf_authmode( mbedtls_ssl_config *conf, int authmode );
1317 
1318 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1319 
1331  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
1332  void *p_vrfy );
1333 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1334 
1343  int (*f_rng)(void *, unsigned char *, size_t),
1344  void *p_rng );
1345 
1361  void (*f_dbg)(void *, int, const char *, int, const char *),
1362  void *p_dbg );
1363 
1395  void *p_bio,
1396  mbedtls_ssl_send_t *f_send,
1397  mbedtls_ssl_recv_t *f_recv,
1398  mbedtls_ssl_recv_timeout_t *f_recv_timeout );
1399 
1400 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1401 
1443 void mbedtls_ssl_set_mtu( mbedtls_ssl_context *ssl, uint16_t mtu );
1444 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1445 
1462 void mbedtls_ssl_conf_read_timeout( mbedtls_ssl_config *conf, uint32_t timeout );
1463 
1485  void *p_timer,
1486  mbedtls_ssl_set_timer_t *f_set_timer,
1487  mbedtls_ssl_get_timer_t *f_get_timer );
1488 
1508 typedef int mbedtls_ssl_ticket_write_t( void *p_ticket,
1509  const mbedtls_ssl_session *session,
1510  unsigned char *start,
1511  const unsigned char *end,
1512  size_t *tlen,
1513  uint32_t *lifetime );
1514 
1515 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
1516 
1536 typedef int mbedtls_ssl_export_keys_t( void *p_expkey,
1537  const unsigned char *ms,
1538  const unsigned char *kb,
1539  size_t maclen,
1540  size_t keylen,
1541  size_t ivlen );
1542 #endif /* MBEDTLS_SSL_EXPORT_KEYS */
1543 
1567 typedef int mbedtls_ssl_ticket_parse_t( void *p_ticket,
1568  mbedtls_ssl_session *session,
1569  unsigned char *buf,
1570  size_t len );
1571 
1572 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_SRV_C)
1573 
1588  mbedtls_ssl_ticket_write_t *f_ticket_write,
1589  mbedtls_ssl_ticket_parse_t *f_ticket_parse,
1590  void *p_ticket );
1591 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_SRV_C */
1592 
1593 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
1594 
1605  mbedtls_ssl_export_keys_t *f_export_keys,
1606  void *p_export_keys );
1607 #endif /* MBEDTLS_SSL_EXPORT_KEYS */
1608 
1609 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
1610 
1640 void mbedtls_ssl_conf_async_private_cb( mbedtls_ssl_config *conf,
1641  mbedtls_ssl_async_sign_t *f_async_sign,
1642  mbedtls_ssl_async_decrypt_t *f_async_decrypt,
1643  mbedtls_ssl_async_resume_t *f_async_resume,
1644  mbedtls_ssl_async_cancel_t *f_async_cancel,
1645  void *config_data );
1646 
1655 void *mbedtls_ssl_conf_get_async_config_data( const mbedtls_ssl_config *conf );
1656 
1671 void *mbedtls_ssl_get_async_operation_data( const mbedtls_ssl_context *ssl );
1672 
1684 void mbedtls_ssl_set_async_operation_data( mbedtls_ssl_context *ssl,
1685  void *ctx );
1686 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
1687 
1702 typedef int mbedtls_ssl_cookie_write_t( void *ctx,
1703  unsigned char **p, unsigned char *end,
1704  const unsigned char *info, size_t ilen );
1705 
1719 typedef int mbedtls_ssl_cookie_check_t( void *ctx,
1720  const unsigned char *cookie, size_t clen,
1721  const unsigned char *info, size_t ilen );
1722 
1723 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
1724 
1753  mbedtls_ssl_cookie_write_t *f_cookie_write,
1754  mbedtls_ssl_cookie_check_t *f_cookie_check,
1755  void *p_cookie );
1756 
1777  const unsigned char *info,
1778  size_t ilen );
1779 
1780 #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY && MBEDTLS_SSL_SRV_C */
1781 
1782 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
1783 
1798 void mbedtls_ssl_conf_dtls_anti_replay( mbedtls_ssl_config *conf, char mode );
1799 #endif /* MBEDTLS_SSL_DTLS_ANTI_REPLAY */
1800 
1801 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
1802 
1825 void mbedtls_ssl_conf_dtls_badmac_limit( mbedtls_ssl_config *conf, unsigned limit );
1826 #endif /* MBEDTLS_SSL_DTLS_BADMAC_LIMIT */
1827 
1828 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1829 
1859  unsigned allow_packing );
1860 
1892 void mbedtls_ssl_conf_handshake_timeout( mbedtls_ssl_config *conf, uint32_t min, uint32_t max );
1893 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1894 
1895 #if defined(MBEDTLS_SSL_SRV_C)
1896 
1934  void *p_cache,
1935  int (*f_get_cache)(void *, mbedtls_ssl_session *),
1936  int (*f_set_cache)(void *, const mbedtls_ssl_session *) );
1937 #endif /* MBEDTLS_SSL_SRV_C */
1938 
1939 #if defined(MBEDTLS_SSL_CLI_C)
1940 
1955 #endif /* MBEDTLS_SSL_CLI_C */
1956 
1973  const int *ciphersuites );
1974 
1995  const int *ciphersuites,
1996  int major, int minor );
1997 
1998 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1999 
2010  const mbedtls_x509_crt_profile *profile );
2011 
2024  mbedtls_x509_crt *ca_chain,
2025  mbedtls_x509_crl *ca_crl );
2026 
2064  mbedtls_x509_crt *own_cert,
2065  mbedtls_pk_context *pk_key );
2066 #endif /* MBEDTLS_X509_CRT_PARSE_C */
2067 
2068 #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
2069 
2090  const unsigned char *psk, size_t psk_len,
2091  const unsigned char *psk_identity, size_t psk_identity_len );
2092 
2093 
2107  const unsigned char *psk, size_t psk_len );
2108 
2134  int (*f_psk)(void *, mbedtls_ssl_context *, const unsigned char *,
2135  size_t),
2136  void *p_psk );
2137 #endif /* MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED */
2138 
2139 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_SRV_C)
2140 
2141 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
2142 
2143 #if defined(MBEDTLS_DEPRECATED_WARNING)
2144 #define MBEDTLS_DEPRECATED __attribute__((deprecated))
2145 #else
2146 #define MBEDTLS_DEPRECATED
2147 #endif
2148 
2163  const char *dhm_P,
2164  const char *dhm_G );
2165 
2166 #endif /* MBEDTLS_DEPRECATED_REMOVED */
2167 
2182  const unsigned char *dhm_P, size_t P_len,
2183  const unsigned char *dhm_G, size_t G_len );
2184 
2195 #endif /* MBEDTLS_DHM_C && defined(MBEDTLS_SSL_SRV_C) */
2196 
2197 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_CLI_C)
2198 
2207  unsigned int bitlen );
2208 #endif /* MBEDTLS_DHM_C && MBEDTLS_SSL_CLI_C */
2209 
2210 #if defined(MBEDTLS_ECP_C)
2211 
2239  const mbedtls_ecp_group_id *curves );
2240 #endif /* MBEDTLS_ECP_C */
2241 
2242 #if defined(MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED)
2243 
2262  const int *hashes );
2263 #endif /* MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED */
2264 
2265 #if defined(MBEDTLS_X509_CRT_PARSE_C)
2266 
2284 int mbedtls_ssl_set_hostname( mbedtls_ssl_context *ssl, const char *hostname );
2285 #endif /* MBEDTLS_X509_CRT_PARSE_C */
2286 
2287 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
2288 
2301  mbedtls_x509_crt *own_cert,
2302  mbedtls_pk_context *pk_key );
2303 
2316  mbedtls_x509_crt *ca_chain,
2317  mbedtls_x509_crl *ca_crl );
2318 
2330  int authmode );
2331 
2356  int (*f_sni)(void *, mbedtls_ssl_context *, const unsigned char *,
2357  size_t),
2358  void *p_sni );
2359 #endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */
2360 
2361 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
2362 
2379 int mbedtls_ssl_set_hs_ecjpake_password( mbedtls_ssl_context *ssl,
2380  const unsigned char *pw,
2381  size_t pw_len );
2382 #endif /*MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
2383 
2384 #if defined(MBEDTLS_SSL_ALPN)
2385 
2397 int mbedtls_ssl_conf_alpn_protocols( mbedtls_ssl_config *conf, const char **protos );
2398 
2408 const char *mbedtls_ssl_get_alpn_protocol( const mbedtls_ssl_context *ssl );
2409 #endif /* MBEDTLS_SSL_ALPN */
2410 
2427 void mbedtls_ssl_conf_max_version( mbedtls_ssl_config *conf, int major, int minor );
2428 
2447 void mbedtls_ssl_conf_min_version( mbedtls_ssl_config *conf, int major, int minor );
2448 
2449 #if defined(MBEDTLS_SSL_FALLBACK_SCSV) && defined(MBEDTLS_SSL_CLI_C)
2450 
2469 void mbedtls_ssl_conf_fallback( mbedtls_ssl_config *conf, char fallback );
2470 #endif /* MBEDTLS_SSL_FALLBACK_SCSV && MBEDTLS_SSL_CLI_C */
2471 
2472 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
2473 
2485 #endif /* MBEDTLS_SSL_ENCRYPT_THEN_MAC */
2486 
2487 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
2488 
2500 #endif /* MBEDTLS_SSL_EXTENDED_MASTER_SECRET */
2501 
2502 #if defined(MBEDTLS_ARC4_C)
2503 
2518 void mbedtls_ssl_conf_arc4_support( mbedtls_ssl_config *conf, char arc4 );
2519 #endif /* MBEDTLS_ARC4_C */
2520 
2521 #if defined(MBEDTLS_SSL_SRV_C)
2522 
2532  char cert_req_ca_list );
2533 #endif /* MBEDTLS_SSL_SRV_C */
2534 
2535 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
2536 
2570 int mbedtls_ssl_conf_max_frag_len( mbedtls_ssl_config *conf, unsigned char mfl_code );
2571 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
2572 
2573 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
2574 
2582 void mbedtls_ssl_conf_truncated_hmac( mbedtls_ssl_config *conf, int truncate );
2583 #endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
2584 
2585 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
2586 
2598 #endif /* MBEDTLS_SSL_CBC_RECORD_SPLITTING */
2599 
2600 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C)
2601 
2611 void mbedtls_ssl_conf_session_tickets( mbedtls_ssl_config *conf, int use_tickets );
2612 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_CLI_C */
2613 
2614 #if defined(MBEDTLS_SSL_RENEGOTIATION)
2615 
2632 void mbedtls_ssl_conf_renegotiation( mbedtls_ssl_config *conf, int renegotiation );
2633 #endif /* MBEDTLS_SSL_RENEGOTIATION */
2634 
2662 void mbedtls_ssl_conf_legacy_renegotiation( mbedtls_ssl_config *conf, int allow_legacy );
2663 
2664 #if defined(MBEDTLS_SSL_RENEGOTIATION)
2665 
2702 void mbedtls_ssl_conf_renegotiation_enforced( mbedtls_ssl_config *conf, int max_records );
2703 
2730  const unsigned char period[8] );
2731 #endif /* MBEDTLS_SSL_RENEGOTIATION */
2732 
2772 
2789 
2802 uint32_t mbedtls_ssl_get_verify_result( const mbedtls_ssl_context *ssl );
2803 
2811 const char *mbedtls_ssl_get_ciphersuite( const mbedtls_ssl_context *ssl );
2812 
2820 const char *mbedtls_ssl_get_version( const mbedtls_ssl_context *ssl );
2821 
2836 
2837 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
2838 
2851 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
2852 
2880 
2881 #if defined(MBEDTLS_X509_CRT_PARSE_C)
2882 
2897 #endif /* MBEDTLS_X509_CRT_PARSE_C */
2898 
2899 #if defined(MBEDTLS_SSL_CLI_C)
2900 
2927 #endif /* MBEDTLS_SSL_CLI_C */
2928 
2980 
3002 
3003 #if defined(MBEDTLS_SSL_RENEGOTIATION)
3004 
3028 #endif /* MBEDTLS_SSL_RENEGOTIATION */
3029 
3100 int mbedtls_ssl_read( mbedtls_ssl_context *ssl, unsigned char *buf, size_t len );
3101 
3162 int mbedtls_ssl_write( mbedtls_ssl_context *ssl, const unsigned char *buf, size_t len );
3163 
3181  unsigned char level,
3182  unsigned char message );
3197 
3204 
3216 
3233  int endpoint, int transport, int preset );
3234 
3241 
3248 
3259 
3260 #ifdef __cplusplus
3261 }
3262 #endif
3263 
3264 #endif /* ssl.h */
uint64_t in_window_top
Definition: ssl.h:1102
mbedtls_ssl_send_t * f_send
Definition: ssl.h:1046
void * p_rng
Definition: ssl.h:845
const char ** alpn_list
Definition: ssl.h:943
unsigned int transport
Definition: ssl.h:983
unsigned char * in_ctr
Definition: ssl.h:1084
mbedtls_x509_crt * peer_cert
Definition: ssl.h:803
unsigned char * out_msg
Definition: ssl.h:1126
unsigned char master[48]
Definition: ssl.h:800
unsigned int trunc_hmac
Definition: ssl.h:1009
unsigned char * in_len
Definition: ssl.h:1088
unsigned char * in_buf
Definition: ssl.h:1083
unsigned int endpoint
Definition: ssl.h:982
Public key container.
Definition: pk.h:132
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:1567
mbedtls_mpi dhm_P
Definition: ssl.h:923
char peer_verify_data[MBEDTLS_SSL_VERIFY_DATA_MAX_LEN]
Definition: ssl.h:1179
unsigned char max_minor_ver
Definition: ssl.h:974
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:976
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:1702
unsigned char * in_hdr
Definition: ssl.h:1087
size_t psk_identity_len
Definition: ssl.h:937
unsigned int dhm_min_bitlen
Definition: ssl.h:970
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:1719
void * p_sni
Definition: ssl.h:856
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:808
struct mbedtls_ssl_sig_hash_set_t mbedtls_ssl_sig_hash_set_t
Definition: ssl.h:568
size_t ticket_len
Definition: ssl.h:809
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:1125
mbedtls_ssl_transform * transform_in
Definition: ssl.h:1067
size_t in_left
Definition: ssl.h:1095
unsigned int authmode
Definition: ssl.h:984
int mbedtls_ssl_send_t(void *ctx, const unsigned char *buf, size_t len)
Callback type: send data on the network.
Definition: ssl.h:468
unsigned int badmac_limit
Definition: ssl.h:966
void * p_psk
Definition: ssl.h:868
void mbedtls_ssl_conf_fallback(mbedtls_ssl_config *conf, char fallback)
Set the fallback flag (client-side only). (Default: MBEDTLS_SSL_IS_NOT_FALLBACK). ...
unsigned int anti_replay
Definition: ssl.h:1000
int mbedtls_ssl_recv_t(void *ctx, unsigned char *buf, size_t len)
Callback type: receive data from the network.
Definition: ssl.h:491
unsigned int fallback
Definition: ssl.h:1015
const mbedtls_ecp_group_id * curve_list
Definition: ssl.h:919
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) ...
void(* f_dbg)(void *, int, const char *, int, const char *)
Definition: ssl.h:840
unsigned char _pms_dhm[MBEDTLS_MPI_MAX_SIZE]
Definition: ssl.h:391
void * p_cache
Definition: ssl.h:851
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 int cert_req_ca_list
Definition: ssl.h:1018
unsigned char _pms_rsa[48]
Definition: ssl.h:388
unsigned char _pms_ecdh[MBEDTLS_ECP_MAX_BYTES]
Definition: ssl.h:397
unsigned char renego_period[8]
Definition: ssl.h:961
uint32_t ticket_lifetime
Definition: ssl.h:810
int mbedtls_ssl_get_max_out_record_payload(const mbedtls_ssl_context *ssl)
Return the current maximum outgoing record payload in bytes. This takes into account the config...
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:1056
uint8_t disable_datagram_packing
Definition: ssl.h:1114
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:1043
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...
int(* f_cookie_check)(void *, const unsigned char *, size_t, const unsigned char *, size_t)
Definition: ssl.h:876
mbedtls_ssl_get_timer_t * f_get_timer
Definition: ssl.h:1078
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:901
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:1057
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:517
uint16_t mtu
Definition: ssl.h:1135
SSL Ciphersuites for mbed TLS.
mbedtls_ssl_transform * transform_out
Definition: ssl.h:1068
unsigned char mfl_code
Definition: ssl.h:814
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)
unsigned int mfl_code
Definition: ssl.h:991
Multi-precision integer library.
int encrypt_then_mac
Definition: ssl.h:822
size_t in_hslen
Definition: ssl.h:1106
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. (Typical: the smaller of MBEDTLS_SSL_IN_CON...
int(* f_sni)(void *, mbedtls_ssl_context *, const unsigned char *, size_t)
Definition: ssl.h:855
time_t mbedtls_time_t
Definition: platform_time.h:55
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:1103
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:573
void * p_cookie
Definition: ssl.h:878
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:1069
uint32_t hs_timeout_min
Definition: ssl.h:953
mbedtls_ssl_handshake_params * handshake
Definition: ssl.h:1061
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:1130
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:1090
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:975
struct mbedtls_ssl_transform mbedtls_ssl_transform
Definition: ssl.h:566
mbedtls_ssl_set_timer_t * f_set_timer
Definition: ssl.h:1077
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...
int(* f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *)
Definition: ssl.h:861
int(* f_set_cache)(void *, const mbedtls_ssl_session *)
Definition: ssl.h:850
const int * ciphersuite_list[4]
Definition: ssl.h:837
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...
int(* f_cookie_write)(void *, unsigned char **, unsigned char *, const unsigned char *, size_t)
Definition: ssl.h:873
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:899
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:1047
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:1059
mbedtls_ssl_states
Definition: ssl.h:427
int(* f_psk)(void *, mbedtls_ssl_context *, const unsigned char *, size_t)
Definition: ssl.h:867
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:915
void mbedtls_ssl_conf_renegotiation_enforced(mbedtls_ssl_config *conf, int max_records)
Enforce renegotiation requests. (Default: enforced, max_records = 16)
void mbedtls_ssl_set_mtu(mbedtls_ssl_context *ssl, uint16_t mtu)
Set the Maximum Tranport Unit (MTU). Special value: 0 means unset (no limit). This represents the max...
#define MBEDTLS_DEPRECATED
Definition: ssl.h:2146
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:798
unsigned int encrypt_then_mac
Definition: ssl.h:994
void * p_bio
Definition: ssl.h:1051
unsigned int cbc_record_splitting
Definition: ssl.h:1003
int(* f_ticket_write)(void *, const mbedtls_ssl_session *, unsigned char *, const unsigned char *, size_t *, uint32_t *)
Definition: ssl.h:883
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 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:411
void * p_vrfy
Definition: ssl.h:862
const mbedtls_x509_crt_profile * cert_profile
Definition: ssl.h:898
void * p_timer
Definition: ssl.h:1075
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:381
unsigned int session_tickets
Definition: ssl.h:1012
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:1058
unsigned char * in_iv
Definition: ssl.h:1089
char own_verify_data[MBEDTLS_SSL_VERIFY_DATA_MAX_LEN]
Definition: ssl.h:1178
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:1070
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:79
unsigned char * out_ctr
Definition: ssl.h:1122
int secure_renegotiation
Definition: ssl.h:1174
int mbedtls_ssl_get_timer_t(void *ctx)
Callback type: get status of timers/delays.
Definition: ssl.h:558
The DHM context structure.
Definition: dhm.h:104
const mbedtls_ssl_config * conf
Definition: ssl.h:1026
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:1091
unsigned int extended_ms
Definition: ssl.h:997
unsigned char max_major_ver
Definition: ssl.h:973
unsigned char * psk
Definition: ssl.h:928
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(* f_export_keys)(void *, const unsigned char *, const unsigned char *, size_t, size_t, size_t)
Definition: ssl.h:892
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:1159
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:924
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:84
unsigned int disable_renegotiation
Definition: ssl.h:1006
void * p_export_keys
Definition: ssl.h:894
char * hostname
Definition: ssl.h:1154
void mbedtls_ssl_set_datagram_packing(mbedtls_ssl_context *ssl, unsigned allow_packing)
Allow or disallow packing of multiple handshake records within a single datagram. ...
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:1129
uint32_t read_timeout
Definition: ssl.h:950
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:407
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:1536
unsigned char * out_len
Definition: ssl.h:1124
unsigned int arc4_disabled
Definition: ssl.h:988
int(* f_rng)(void *, unsigned char *, size_t)
Definition: ssl.h:844
uint32_t hs_timeout_max
Definition: ssl.h:955
MPI structure.
Definition: bignum.h:187
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).
int(* f_ticket_parse)(void *, mbedtls_ssl_session *, unsigned char *, size_t)
Definition: ssl.h:886
unsigned char * cli_id
Definition: ssl.h:1166
int renego_max_records
Definition: ssl.h:960
mbedtls_ssl_recv_timeout_t * f_recv_timeout
Definition: ssl.h:1048
mbedtls_x509_crt * ca_chain
Definition: ssl.h:900
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:1177
void mbedtls_ssl_config_free(mbedtls_ssl_config *conf)
Free an SSL configuration context.
unsigned char * psk_identity
Definition: ssl.h:934
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:570
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:543
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:404
size_t next_record_offset
Definition: ssl.h:1098
unsigned char * out_buf
Definition: ssl.h:1121
size_t psk_len
Definition: ssl.h:931
int(* f_get_cache)(void *, mbedtls_ssl_session *)
Definition: ssl.h:848
void mbedtls_ssl_session_init(mbedtls_ssl_session *session)
Initialize SSL session structure.
void * p_dbg
Definition: ssl.h:841
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:1508
size_t cli_id_len
Definition: ssl.h:1167
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:1034
unsigned char * out_hdr
Definition: ssl.h:1123
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:400
uint32_t verify_result
Definition: ssl.h:805
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.
unsigned int allow_legacy_renegotiation
Definition: ssl.h:986
mbedtls_md_type_t
Supported message digests.
Definition: md.h:60
int keep_current_message
Definition: ssl.h:1110
signed char split_done
Definition: ssl.h:1142
int mbedtls_ssl_handshake_step(mbedtls_ssl_context *ssl)
Perform a single step of the SSL handshake.
unsigned char cur_out_ctr[8]
Definition: ssl.h:1132
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:567
#define MBEDTLS_ECP_MAX_BYTES
Definition: ecp.h:215
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:887
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:265
mbedtls_time_t start
Definition: ssl.h:794
size_t in_msglen
Definition: ssl.h:1094
uint16_t in_epoch
Definition: ssl.h:1097