mbed TLS v2.28.4
ssl.h
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1 
6 /*
7  * Copyright The Mbed TLS Contributors
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 #ifndef MBEDTLS_SSL_H
23 #define MBEDTLS_SSL_H
24 
25 #if !defined(MBEDTLS_CONFIG_FILE)
26 #include "mbedtls/config.h"
27 #else
28 #include MBEDTLS_CONFIG_FILE
29 #endif
30 
31 #include "mbedtls/bignum.h"
32 #include "mbedtls/ecp.h"
33 
35 
36 #if defined(MBEDTLS_X509_CRT_PARSE_C)
37 #include "mbedtls/x509_crt.h"
38 #include "mbedtls/x509_crl.h"
39 #endif
40 
41 #if defined(MBEDTLS_DHM_C)
42 #include "mbedtls/dhm.h"
43 #endif
44 
45 /* Adding guard for MBEDTLS_ECDSA_C to ensure no compile errors due
46  * to guards also being in ssl_srv.c and ssl_cli.c. There is a gap
47  * in functionality that access to ecdh_ctx structure is needed for
48  * MBEDTLS_ECDSA_C which does not seem correct.
49  */
50 #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C)
51 #include "mbedtls/ecdh.h"
52 #endif
53 
54 #if defined(MBEDTLS_ZLIB_SUPPORT)
55 
56 #if defined(MBEDTLS_DEPRECATED_WARNING)
57 #warning \
58  "Record compression support via MBEDTLS_ZLIB_SUPPORT is deprecated and will be removed in the next major revision of the library"
59 #endif
60 
61 #if defined(MBEDTLS_DEPRECATED_REMOVED)
62 #error \
63  "Record compression support via MBEDTLS_ZLIB_SUPPORT is deprecated and cannot be used if MBEDTLS_DEPRECATED_REMOVED is set"
64 #endif
65 
66 #include "zlib.h"
67 #endif
68 
69 #if defined(MBEDTLS_HAVE_TIME)
70 #include "mbedtls/platform_time.h"
71 #endif
72 
73 #if defined(MBEDTLS_USE_PSA_CRYPTO)
74 #include "psa/crypto.h"
75 #endif /* MBEDTLS_USE_PSA_CRYPTO */
76 
77 /*
78  * SSL Error codes
79  */
81 #define MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE -0x7080
83 #define MBEDTLS_ERR_SSL_BAD_INPUT_DATA -0x7100
85 #define MBEDTLS_ERR_SSL_INVALID_MAC -0x7180
87 #define MBEDTLS_ERR_SSL_INVALID_RECORD -0x7200
89 #define MBEDTLS_ERR_SSL_CONN_EOF -0x7280
91 #define MBEDTLS_ERR_SSL_UNKNOWN_CIPHER -0x7300
93 #define MBEDTLS_ERR_SSL_NO_CIPHER_CHOSEN -0x7380
95 #define MBEDTLS_ERR_SSL_NO_RNG -0x7400
97 #define MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE -0x7480
99 #define MBEDTLS_ERR_SSL_CERTIFICATE_TOO_LARGE -0x7500
101 #define MBEDTLS_ERR_SSL_CERTIFICATE_REQUIRED -0x7580
103 #define MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED -0x7600
105 #define MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED -0x7680
107 #define MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE -0x7700
109 #define MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE -0x7780
111 #define MBEDTLS_ERR_SSL_PEER_VERIFY_FAILED -0x7800
113 #define MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY -0x7880
115 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO -0x7900
117 #define MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO -0x7980
119 #define MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE -0x7A00
121 #define MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST -0x7A80
123 #define MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE -0x7B00
125 #define MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE -0x7B80
127 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE -0x7C00
129 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP -0x7C80
131 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS -0x7D00
133 #define MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY -0x7D80
135 #define MBEDTLS_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC -0x7E00
137 #define MBEDTLS_ERR_SSL_BAD_HS_FINISHED -0x7E80
139 #define MBEDTLS_ERR_SSL_ALLOC_FAILED -0x7F00
141 #define MBEDTLS_ERR_SSL_HW_ACCEL_FAILED -0x7F80
143 #define MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH -0x6F80
145 #define MBEDTLS_ERR_SSL_COMPRESSION_FAILED -0x6F00
147 #define MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION -0x6E80
149 #define MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET -0x6E00
151 #define MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED -0x6D80
153 #define MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH -0x6D00
155 #define MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY -0x6C80
157 #define MBEDTLS_ERR_SSL_INTERNAL_ERROR -0x6C00
159 #define MBEDTLS_ERR_SSL_COUNTER_WRAPPING -0x6B80
161 #define MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO -0x6B00
163 #define MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED -0x6A80
165 #define MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL -0x6A00
167 #define MBEDTLS_ERR_SSL_NO_USABLE_CIPHERSUITE -0x6980
169 #define MBEDTLS_ERR_SSL_WANT_READ -0x6900
171 #define MBEDTLS_ERR_SSL_WANT_WRITE -0x6880
173 #define MBEDTLS_ERR_SSL_TIMEOUT -0x6800
175 #define MBEDTLS_ERR_SSL_CLIENT_RECONNECT -0x6780
177 #define MBEDTLS_ERR_SSL_UNEXPECTED_RECORD -0x6700
179 #define MBEDTLS_ERR_SSL_NON_FATAL -0x6680
181 #define MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH -0x6600
183 #define MBEDTLS_ERR_SSL_CONTINUE_PROCESSING -0x6580
185 #define MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS -0x6500
187 #define MBEDTLS_ERR_SSL_EARLY_MESSAGE -0x6480
189 #define MBEDTLS_ERR_SSL_UNEXPECTED_CID -0x6000
191 #define MBEDTLS_ERR_SSL_VERSION_MISMATCH -0x5F00
193 #define MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS -0x7000
195 #define MBEDTLS_ERR_SSL_BAD_CONFIG -0x5E80
196 
197 /*
198  * Various constants
199  */
200 #define MBEDTLS_SSL_MAJOR_VERSION_3 3
201 #define MBEDTLS_SSL_MINOR_VERSION_0 0
202 #define MBEDTLS_SSL_MINOR_VERSION_1 1
203 #define MBEDTLS_SSL_MINOR_VERSION_2 2
204 #define MBEDTLS_SSL_MINOR_VERSION_3 3
205 #define MBEDTLS_SSL_MINOR_VERSION_4 4
207 #define MBEDTLS_SSL_TRANSPORT_STREAM 0
208 #define MBEDTLS_SSL_TRANSPORT_DATAGRAM 1
210 #define MBEDTLS_SSL_MAX_HOST_NAME_LEN 255
211 #define MBEDTLS_SSL_MAX_ALPN_NAME_LEN 255
213 #define MBEDTLS_SSL_MAX_ALPN_LIST_LEN 65535
215 /* RFC 6066 section 4, see also mfl_code_to_length in ssl_tls.c
216  * NONE must be zero so that memset()ing structure to zero works */
217 #define MBEDTLS_SSL_MAX_FRAG_LEN_NONE 0
218 #define MBEDTLS_SSL_MAX_FRAG_LEN_512 1
219 #define MBEDTLS_SSL_MAX_FRAG_LEN_1024 2
220 #define MBEDTLS_SSL_MAX_FRAG_LEN_2048 3
221 #define MBEDTLS_SSL_MAX_FRAG_LEN_4096 4
222 #define MBEDTLS_SSL_MAX_FRAG_LEN_INVALID 5
224 #define MBEDTLS_SSL_IS_CLIENT 0
225 #define MBEDTLS_SSL_IS_SERVER 1
226 
227 #define MBEDTLS_SSL_IS_NOT_FALLBACK 0
228 #define MBEDTLS_SSL_IS_FALLBACK 1
229 
230 #define MBEDTLS_SSL_EXTENDED_MS_DISABLED 0
231 #define MBEDTLS_SSL_EXTENDED_MS_ENABLED 1
232 
233 #define MBEDTLS_SSL_CID_DISABLED 0
234 #define MBEDTLS_SSL_CID_ENABLED 1
235 
236 #define MBEDTLS_SSL_ETM_DISABLED 0
237 #define MBEDTLS_SSL_ETM_ENABLED 1
238 
239 #define MBEDTLS_SSL_COMPRESS_NULL 0
240 #define MBEDTLS_SSL_COMPRESS_DEFLATE 1
241 
242 #define MBEDTLS_SSL_VERIFY_NONE 0
243 #define MBEDTLS_SSL_VERIFY_OPTIONAL 1
244 #define MBEDTLS_SSL_VERIFY_REQUIRED 2
245 #define MBEDTLS_SSL_VERIFY_UNSET 3 /* Used only for sni_authmode */
246 
247 #define MBEDTLS_SSL_LEGACY_RENEGOTIATION 0
248 #define MBEDTLS_SSL_SECURE_RENEGOTIATION 1
249 
250 #define MBEDTLS_SSL_RENEGOTIATION_DISABLED 0
251 #define MBEDTLS_SSL_RENEGOTIATION_ENABLED 1
252 
253 #define MBEDTLS_SSL_ANTI_REPLAY_DISABLED 0
254 #define MBEDTLS_SSL_ANTI_REPLAY_ENABLED 1
255 
256 #define MBEDTLS_SSL_RENEGOTIATION_NOT_ENFORCED -1
257 #define MBEDTLS_SSL_RENEGO_MAX_RECORDS_DEFAULT 16
258 
259 #define MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION 0
260 #define MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION 1
261 #define MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE 2
262 
263 #define MBEDTLS_SSL_TRUNC_HMAC_DISABLED 0
264 #define MBEDTLS_SSL_TRUNC_HMAC_ENABLED 1
265 #define MBEDTLS_SSL_TRUNCATED_HMAC_LEN 10 /* 80 bits, rfc 6066 section 7 */
266 
267 #define MBEDTLS_SSL_SESSION_TICKETS_DISABLED 0
268 #define MBEDTLS_SSL_SESSION_TICKETS_ENABLED 1
269 
270 #define MBEDTLS_SSL_CBC_RECORD_SPLITTING_DISABLED 0
271 #define MBEDTLS_SSL_CBC_RECORD_SPLITTING_ENABLED 1
272 
273 #define MBEDTLS_SSL_ARC4_ENABLED 0
274 #define MBEDTLS_SSL_ARC4_DISABLED 1
275 
276 #define MBEDTLS_SSL_PRESET_DEFAULT 0
277 #define MBEDTLS_SSL_PRESET_SUITEB 2
278 
279 #define MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED 1
280 #define MBEDTLS_SSL_CERT_REQ_CA_LIST_DISABLED 0
281 
282 #define MBEDTLS_SSL_DTLS_SRTP_MKI_UNSUPPORTED 0
283 #define MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED 1
284 
285 /*
286  * Default range for DTLS retransmission timer value, in milliseconds.
287  * RFC 6347 4.2.4.1 says from 1 second to 60 seconds.
288  */
289 #define MBEDTLS_SSL_DTLS_TIMEOUT_DFL_MIN 1000
290 #define MBEDTLS_SSL_DTLS_TIMEOUT_DFL_MAX 60000
291 
300 #if !defined(MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME)
301 #define MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME 86400
302 #endif
303 
304 /*
305  * Maximum fragment length in bytes,
306  * determines the size of each of the two internal I/O buffers.
307  *
308  * Note: the RFC defines the default size of SSL / TLS messages. If you
309  * change the value here, other clients / servers may not be able to
310  * communicate with you anymore. Only change this value if you control
311  * both sides of the connection and have it reduced at both sides, or
312  * if you're using the Max Fragment Length extension and you know all your
313  * peers are using it too!
314  */
315 #if !defined(MBEDTLS_SSL_MAX_CONTENT_LEN)
316 #define MBEDTLS_SSL_MAX_CONTENT_LEN 16384
317 #endif
318 
319 #if !defined(MBEDTLS_SSL_IN_CONTENT_LEN)
320 #define MBEDTLS_SSL_IN_CONTENT_LEN MBEDTLS_SSL_MAX_CONTENT_LEN
321 #endif
322 
323 #if !defined(MBEDTLS_SSL_OUT_CONTENT_LEN)
324 #define MBEDTLS_SSL_OUT_CONTENT_LEN MBEDTLS_SSL_MAX_CONTENT_LEN
325 #endif
326 
327 /*
328  * Maximum number of heap-allocated bytes for the purpose of
329  * DTLS handshake message reassembly and future message buffering.
330  */
331 #if !defined(MBEDTLS_SSL_DTLS_MAX_BUFFERING)
332 #define MBEDTLS_SSL_DTLS_MAX_BUFFERING 32768
333 #endif
334 
335 /*
336  * Maximum length of CIDs for incoming and outgoing messages.
337  */
338 #if !defined(MBEDTLS_SSL_CID_IN_LEN_MAX)
339 #define MBEDTLS_SSL_CID_IN_LEN_MAX 32
340 #endif
341 
342 #if !defined(MBEDTLS_SSL_CID_OUT_LEN_MAX)
343 #define MBEDTLS_SSL_CID_OUT_LEN_MAX 32
344 #endif
345 
346 #if !defined(MBEDTLS_SSL_CID_PADDING_GRANULARITY)
347 #define MBEDTLS_SSL_CID_PADDING_GRANULARITY 16
348 #endif
349 
350 #if !defined(MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY)
351 #define MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY 1
352 #endif
353 
356 /*
357  * Length of the verify data for secure renegotiation
358  */
359 #if defined(MBEDTLS_SSL_PROTO_SSL3)
360 #define MBEDTLS_SSL_VERIFY_DATA_MAX_LEN 36
361 #else
362 #define MBEDTLS_SSL_VERIFY_DATA_MAX_LEN 12
363 #endif
364 
365 /*
366  * Signaling ciphersuite values (SCSV)
367  */
368 #define MBEDTLS_SSL_EMPTY_RENEGOTIATION_INFO 0xFF
369 #define MBEDTLS_SSL_FALLBACK_SCSV_VALUE 0x5600
371 /*
372  * Supported Signature and Hash algorithms (For TLS 1.2)
373  * RFC 5246 section 7.4.1.4.1
374  */
375 #define MBEDTLS_SSL_HASH_NONE 0
376 #define MBEDTLS_SSL_HASH_MD5 1
377 #define MBEDTLS_SSL_HASH_SHA1 2
378 #define MBEDTLS_SSL_HASH_SHA224 3
379 #define MBEDTLS_SSL_HASH_SHA256 4
380 #define MBEDTLS_SSL_HASH_SHA384 5
381 #define MBEDTLS_SSL_HASH_SHA512 6
382 
383 #define MBEDTLS_SSL_SIG_ANON 0
384 #define MBEDTLS_SSL_SIG_RSA 1
385 #define MBEDTLS_SSL_SIG_ECDSA 3
386 
387 /*
388  * Client Certificate Types
389  * RFC 5246 section 7.4.4 plus RFC 4492 section 5.5
390  */
391 #define MBEDTLS_SSL_CERT_TYPE_RSA_SIGN 1
392 #define MBEDTLS_SSL_CERT_TYPE_ECDSA_SIGN 64
393 
394 /*
395  * Message, alert and handshake types
396  */
397 #define MBEDTLS_SSL_MSG_CHANGE_CIPHER_SPEC 20
398 #define MBEDTLS_SSL_MSG_ALERT 21
399 #define MBEDTLS_SSL_MSG_HANDSHAKE 22
400 #define MBEDTLS_SSL_MSG_APPLICATION_DATA 23
401 #define MBEDTLS_SSL_MSG_CID 25
402 
403 #define MBEDTLS_SSL_ALERT_LEVEL_WARNING 1
404 #define MBEDTLS_SSL_ALERT_LEVEL_FATAL 2
405 
406 #define MBEDTLS_SSL_ALERT_MSG_CLOSE_NOTIFY 0 /* 0x00 */
407 #define MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE 10 /* 0x0A */
408 #define MBEDTLS_SSL_ALERT_MSG_BAD_RECORD_MAC 20 /* 0x14 */
409 #define MBEDTLS_SSL_ALERT_MSG_DECRYPTION_FAILED 21 /* 0x15 */
410 #define MBEDTLS_SSL_ALERT_MSG_RECORD_OVERFLOW 22 /* 0x16 */
411 #define MBEDTLS_SSL_ALERT_MSG_DECOMPRESSION_FAILURE 30 /* 0x1E */
412 #define MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE 40 /* 0x28 */
413 #define MBEDTLS_SSL_ALERT_MSG_NO_CERT 41 /* 0x29 */
414 #define MBEDTLS_SSL_ALERT_MSG_BAD_CERT 42 /* 0x2A */
415 #define MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_CERT 43 /* 0x2B */
416 #define MBEDTLS_SSL_ALERT_MSG_CERT_REVOKED 44 /* 0x2C */
417 #define MBEDTLS_SSL_ALERT_MSG_CERT_EXPIRED 45 /* 0x2D */
418 #define MBEDTLS_SSL_ALERT_MSG_CERT_UNKNOWN 46 /* 0x2E */
419 #define MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER 47 /* 0x2F */
420 #define MBEDTLS_SSL_ALERT_MSG_UNKNOWN_CA 48 /* 0x30 */
421 #define MBEDTLS_SSL_ALERT_MSG_ACCESS_DENIED 49 /* 0x31 */
422 #define MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR 50 /* 0x32 */
423 #define MBEDTLS_SSL_ALERT_MSG_DECRYPT_ERROR 51 /* 0x33 */
424 #define MBEDTLS_SSL_ALERT_MSG_EXPORT_RESTRICTION 60 /* 0x3C */
425 #define MBEDTLS_SSL_ALERT_MSG_PROTOCOL_VERSION 70 /* 0x46 */
426 #define MBEDTLS_SSL_ALERT_MSG_INSUFFICIENT_SECURITY 71 /* 0x47 */
427 #define MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR 80 /* 0x50 */
428 #define MBEDTLS_SSL_ALERT_MSG_INAPROPRIATE_FALLBACK 86 /* 0x56 */
429 #define MBEDTLS_SSL_ALERT_MSG_USER_CANCELED 90 /* 0x5A */
430 #define MBEDTLS_SSL_ALERT_MSG_NO_RENEGOTIATION 100 /* 0x64 */
431 #define MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT 110 /* 0x6E */
432 #define MBEDTLS_SSL_ALERT_MSG_UNRECOGNIZED_NAME 112 /* 0x70 */
433 #define MBEDTLS_SSL_ALERT_MSG_UNKNOWN_PSK_IDENTITY 115 /* 0x73 */
434 #define MBEDTLS_SSL_ALERT_MSG_NO_APPLICATION_PROTOCOL 120 /* 0x78 */
435 
436 #define MBEDTLS_SSL_HS_HELLO_REQUEST 0
437 #define MBEDTLS_SSL_HS_CLIENT_HELLO 1
438 #define MBEDTLS_SSL_HS_SERVER_HELLO 2
439 #define MBEDTLS_SSL_HS_HELLO_VERIFY_REQUEST 3
440 #define MBEDTLS_SSL_HS_NEW_SESSION_TICKET 4
441 #define MBEDTLS_SSL_HS_CERTIFICATE 11
442 #define MBEDTLS_SSL_HS_SERVER_KEY_EXCHANGE 12
443 #define MBEDTLS_SSL_HS_CERTIFICATE_REQUEST 13
444 #define MBEDTLS_SSL_HS_SERVER_HELLO_DONE 14
445 #define MBEDTLS_SSL_HS_CERTIFICATE_VERIFY 15
446 #define MBEDTLS_SSL_HS_CLIENT_KEY_EXCHANGE 16
447 #define MBEDTLS_SSL_HS_FINISHED 20
448 
449 /*
450  * TLS extensions
451  */
452 #define MBEDTLS_TLS_EXT_SERVERNAME 0
453 #define MBEDTLS_TLS_EXT_SERVERNAME_HOSTNAME 0
454 
455 #define MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH 1
456 
457 #define MBEDTLS_TLS_EXT_TRUNCATED_HMAC 4
458 
459 #define MBEDTLS_TLS_EXT_SUPPORTED_ELLIPTIC_CURVES 10
460 #define MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS 11
461 
462 #define MBEDTLS_TLS_EXT_SIG_ALG 13
463 
464 #define MBEDTLS_TLS_EXT_USE_SRTP 14
465 
466 #define MBEDTLS_TLS_EXT_ALPN 16
467 
468 #define MBEDTLS_TLS_EXT_ENCRYPT_THEN_MAC 22 /* 0x16 */
469 #define MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET 0x0017 /* 23 */
470 
471 #define MBEDTLS_TLS_EXT_SESSION_TICKET 35
472 
473 /* The value of the CID extension is still TBD as of
474  * draft-ietf-tls-dtls-connection-id-05
475  * (https://tools.ietf.org/html/draft-ietf-tls-dtls-connection-id-05).
476  *
477  * A future minor revision of Mbed TLS may change the default value of
478  * this option to match evolving standards and usage.
479  */
480 #if !defined(MBEDTLS_TLS_EXT_CID)
481 #define MBEDTLS_TLS_EXT_CID 254 /* TBD */
482 #endif
483 
484 #define MBEDTLS_TLS_EXT_ECJPAKE_KKPP 256 /* experimental */
485 
486 #define MBEDTLS_TLS_EXT_RENEGOTIATION_INFO 0xFF01
487 
488 /*
489  * Size defines
490  */
491 #if !defined(MBEDTLS_PSK_MAX_LEN)
492 #define MBEDTLS_PSK_MAX_LEN 32 /* 256 bits */
493 #endif
494 
495 /* Dummy type used only for its size */
497  unsigned char dummy; /* Make the union non-empty even with SSL disabled */
498 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)
499  unsigned char _pms_rsa[48]; /* RFC 5246 8.1.1 */
500 #endif
501 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)
502  unsigned char _pms_dhm[MBEDTLS_MPI_MAX_SIZE]; /* RFC 5246 8.1.2 */
503 #endif
504 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) || \
505  defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) || \
506  defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) || \
507  defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
508  unsigned char _pms_ecdh[MBEDTLS_ECP_MAX_BYTES]; /* RFC 4492 5.10 */
509 #endif
510 #if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)
511  unsigned char _pms_psk[4 + 2 * MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 2 */
512 #endif
513 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
515  + MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 3 */
516 #endif
517 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED)
518  unsigned char _pms_rsa_psk[52 + MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 4 */
519 #endif
520 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
522  + MBEDTLS_PSK_MAX_LEN]; /* RFC 5489 2 */
523 #endif
524 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
525  unsigned char _pms_ecjpake[32]; /* Thread spec: SHA-256 output */
526 #endif
527 };
528 
529 #define MBEDTLS_PREMASTER_SIZE sizeof(union mbedtls_ssl_premaster_secret)
530 
531 #ifdef __cplusplus
532 extern "C" {
533 #endif
534 
535 /*
536  * SSL state machine
537  */
538 typedef enum {
558 }
560 
561 /*
562  * The tls_prf function types.
563  */
564 typedef enum {
570 }
589 typedef int mbedtls_ssl_send_t(void *ctx,
590  const unsigned char *buf,
591  size_t len);
592 
613 typedef int mbedtls_ssl_recv_t(void *ctx,
614  unsigned char *buf,
615  size_t len);
616 
639 typedef int mbedtls_ssl_recv_timeout_t(void *ctx,
640  unsigned char *buf,
641  size_t len,
642  uint32_t timeout);
665 typedef void mbedtls_ssl_set_timer_t(void *ctx,
666  uint32_t int_ms,
667  uint32_t fin_ms);
668 
680 typedef int mbedtls_ssl_get_timer_t(void *ctx);
681 
682 /* Defined below */
686 
687 /* Defined in ssl_internal.h */
691 #if defined(MBEDTLS_X509_CRT_PARSE_C)
693 #endif
694 #if defined(MBEDTLS_SSL_PROTO_DTLS)
696 #endif
697 
698 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
699 #if defined(MBEDTLS_X509_CRT_PARSE_C)
771 typedef int mbedtls_ssl_async_sign_t(mbedtls_ssl_context *ssl,
772  mbedtls_x509_crt *cert,
773  mbedtls_md_type_t md_alg,
774  const unsigned char *hash,
775  size_t hash_len);
776 
837 typedef int mbedtls_ssl_async_decrypt_t(mbedtls_ssl_context *ssl,
838  mbedtls_x509_crt *cert,
839  const unsigned char *input,
840  size_t input_len);
841 #endif /* MBEDTLS_X509_CRT_PARSE_C */
842 
885 typedef int mbedtls_ssl_async_resume_t(mbedtls_ssl_context *ssl,
886  unsigned char *output,
887  size_t *output_len,
888  size_t output_size);
889 
907 typedef void mbedtls_ssl_async_cancel_t(mbedtls_ssl_context *ssl);
908 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
909 
910 #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED) && \
911  !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
912 #define MBEDTLS_SSL_PEER_CERT_DIGEST_MAX_LEN 48
913 #if defined(MBEDTLS_SHA256_C)
914 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_TYPE MBEDTLS_MD_SHA256
915 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_LEN 32
916 #elif defined(MBEDTLS_SHA512_C)
917 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_TYPE MBEDTLS_MD_SHA384
918 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_LEN 48
919 #elif defined(MBEDTLS_SHA1_C)
920 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_TYPE MBEDTLS_MD_SHA1
921 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_LEN 20
922 #else
923 /* This is already checked in check_config.h, but be sure. */
924 #error "Bad configuration - need SHA-1, SHA-256 or SHA-512 enabled to compute digest of peer CRT."
925 #endif
926 #endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED &&
927  !MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
928 
929 #if defined(MBEDTLS_SSL_DTLS_SRTP)
930 
931 #define MBEDTLS_TLS_SRTP_MAX_MKI_LENGTH 255
932 #define MBEDTLS_TLS_SRTP_MAX_PROFILE_LIST_LENGTH 4
933 /*
934  * For code readability use a typedef for DTLS-SRTP profiles
935  *
936  * Use_srtp extension protection profiles values as defined in
937  * http://www.iana.org/assignments/srtp-protection/srtp-protection.xhtml
938  *
939  * Reminder: if this list is expanded mbedtls_ssl_check_srtp_profile_value
940  * must be updated too.
941  */
942 #define MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80 ((uint16_t) 0x0001)
943 #define MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32 ((uint16_t) 0x0002)
944 #define MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80 ((uint16_t) 0x0005)
945 #define MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32 ((uint16_t) 0x0006)
946 /* This one is not iana defined, but for code readability. */
947 #define MBEDTLS_TLS_SRTP_UNSET ((uint16_t) 0x0000)
948 
949 typedef uint16_t mbedtls_ssl_srtp_profile;
950 
951 typedef struct mbedtls_dtls_srtp_info_t {
953  mbedtls_ssl_srtp_profile chosen_dtls_srtp_profile;
955  uint16_t mki_len;
957  unsigned char mki_value[MBEDTLS_TLS_SRTP_MAX_MKI_LENGTH];
958 }
959 mbedtls_dtls_srtp_info;
960 
961 #endif /* MBEDTLS_SSL_DTLS_SRTP */
962 
963 /*
964  * This structure is used for storing current session data.
965  *
966  * Note: when changing this definition, we need to check and update:
967  * - in tests/suites/test_suite_ssl.function:
968  * ssl_populate_session() and ssl_serialize_session_save_load()
969  * - in library/ssl_tls.c:
970  * mbedtls_ssl_session_init() and mbedtls_ssl_session_free()
971  * mbedtls_ssl_session_save() and ssl_session_load()
972  * ssl_session_copy()
973  */
975 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
976  unsigned char mfl_code;
977 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
978 
979 #if defined(MBEDTLS_HAVE_TIME)
981 #endif
984  size_t id_len;
985  unsigned char id[32];
986  unsigned char master[48];
988 #if defined(MBEDTLS_X509_CRT_PARSE_C)
989 #if defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
991 #else /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
994  unsigned char *peer_cert_digest;
995  size_t peer_cert_digest_len;
996  mbedtls_md_type_t peer_cert_digest_type;
997 #endif /* !MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
998 #endif /* MBEDTLS_X509_CRT_PARSE_C */
999  uint32_t verify_result;
1001 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C)
1002  unsigned char *ticket;
1003  size_t ticket_len;
1004  uint32_t ticket_lifetime;
1005 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_CLI_C */
1006 
1007 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
1009 #endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
1010 
1011 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
1013 #endif
1014 };
1015 
1020  /* Group items by size and reorder them to maximize usage of immediate offset access. */
1021 
1022  /*
1023  * Numerical settings (char)
1024  */
1025 
1026  unsigned char max_major_ver;
1027  unsigned char max_minor_ver;
1028  unsigned char min_major_ver;
1029  unsigned char min_minor_ver;
1031  /*
1032  * Flags (could be bit-fields to save RAM, but separate bytes make
1033  * the code smaller on architectures with an instruction for direct
1034  * byte access).
1035  */
1036 
1037  uint8_t endpoint /*bool*/;
1038  uint8_t transport /*bool*/;
1039  uint8_t authmode /*2 bits*/;
1040  /* needed even with renego disabled for LEGACY_BREAK_HANDSHAKE */
1041  uint8_t allow_legacy_renegotiation /*2 bits*/;
1042 #if defined(MBEDTLS_ARC4_C)
1043  uint8_t arc4_disabled /*bool*/;
1044 #endif
1045 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
1046  uint8_t mfl_code /*3 bits*/;
1047 #endif
1048 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
1049  uint8_t encrypt_then_mac /*bool*/;
1050 #endif
1051 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
1052  uint8_t extended_ms /*bool*/;
1053 #endif
1054 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
1055  uint8_t anti_replay /*bool*/;
1056 #endif
1057 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
1058  uint8_t cbc_record_splitting /*bool*/;
1059 #endif
1060 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1061  uint8_t disable_renegotiation /*bool*/;
1062 #endif
1063 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
1064  uint8_t trunc_hmac /*bool*/;
1065 #endif
1066 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
1067  uint8_t session_tickets /*bool*/;
1068 #endif
1069 #if defined(MBEDTLS_SSL_FALLBACK_SCSV) && defined(MBEDTLS_SSL_CLI_C)
1070  uint8_t fallback /*bool*/;
1071 #endif
1072 #if defined(MBEDTLS_SSL_SRV_C)
1073  uint8_t cert_req_ca_list /*bool*/;
1075 #endif
1076 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1077  uint8_t ignore_unexpected_cid /*bool*/;
1080 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1081 #if defined(MBEDTLS_SSL_DTLS_SRTP)
1082  uint8_t dtls_srtp_mki_support /*bool*/;
1084 #endif
1085 
1086  /*
1087  * Numerical settings (int or larger)
1088  */
1089 
1090  uint32_t read_timeout;
1092 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1093  uint32_t hs_timeout_min;
1095  uint32_t hs_timeout_max;
1097 #endif
1098 
1099 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1101  unsigned char renego_period[8];
1103 #endif
1104 
1105 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
1106  unsigned int badmac_limit;
1107 #endif
1108 
1109 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_CLI_C)
1110  unsigned int dhm_min_bitlen;
1111 #endif
1112 
1113  /*
1114  * Pointers
1115  */
1116 
1117  const int *ciphersuite_list[4];
1120  void (*f_dbg)(void *, int, const char *, int, const char *);
1121  void *p_dbg;
1124  int (*f_rng)(void *, unsigned char *, size_t);
1125  void *p_rng;
1130  int (*f_set_cache)(void *, const mbedtls_ssl_session *);
1131  void *p_cache;
1133 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
1135  int (*f_sni)(void *, mbedtls_ssl_context *, const unsigned char *, size_t);
1136  void *p_sni;
1137 #endif
1138 
1139 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1141  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *);
1142  void *p_vrfy;
1143 #endif
1144 
1145 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
1147  int (*f_psk)(void *, mbedtls_ssl_context *, const unsigned char *, size_t);
1148  void *p_psk;
1149 #endif
1150 
1151 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
1153  int (*f_cookie_write)(void *, unsigned char **, unsigned char *,
1154  const unsigned char *, size_t);
1156  int (*f_cookie_check)(void *, const unsigned char *, size_t,
1157  const unsigned char *, size_t);
1158  void *p_cookie;
1159 #endif
1160 
1161 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_SRV_C)
1163  int (*f_ticket_write)(void *, const mbedtls_ssl_session *,
1164  unsigned char *, const unsigned char *, size_t *, uint32_t *);
1166  int (*f_ticket_parse)(void *, mbedtls_ssl_session *, unsigned char *, size_t);
1167  void *p_ticket;
1168 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_SRV_C */
1169 
1170 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
1172  int (*f_export_keys)(void *, const unsigned char *,
1173  const unsigned char *, size_t, size_t, size_t);
1176  int (*f_export_keys_ext)(void *, const unsigned char *,
1177  const unsigned char *, size_t, size_t, size_t,
1178  const unsigned char[32], const unsigned char[32],
1181 #endif
1182 
1183 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1184  size_t cid_len;
1185 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1186 
1187 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1192 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
1193  mbedtls_x509_crt_ca_cb_t f_ca_cb;
1194  void *p_ca_cb;
1195 #endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
1196 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1197 
1198 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
1199 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1200  mbedtls_ssl_async_sign_t *f_async_sign_start;
1201  mbedtls_ssl_async_decrypt_t *f_async_decrypt_start;
1202 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1203  mbedtls_ssl_async_resume_t *f_async_resume;
1204  mbedtls_ssl_async_cancel_t *f_async_cancel;
1205  void *p_async_config_data;
1206 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
1207 
1208 #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
1209  const int *sig_hashes;
1210 #endif
1211 
1212 #if defined(MBEDTLS_ECP_C)
1214 #endif
1215 
1216 #if defined(MBEDTLS_DHM_C)
1219 #endif
1220 
1221 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
1222 
1223 #if defined(MBEDTLS_USE_PSA_CRYPTO)
1224  psa_key_id_t psk_opaque;
1230 #endif /* MBEDTLS_USE_PSA_CRYPTO */
1231 
1232  unsigned char *psk;
1236  size_t psk_len;
1242  unsigned char *psk_identity;
1253 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
1254 
1255 #if defined(MBEDTLS_SSL_ALPN)
1256  const char **alpn_list;
1257 #endif
1258 
1259 #if defined(MBEDTLS_SSL_DTLS_SRTP)
1261  const mbedtls_ssl_srtp_profile *dtls_srtp_profile_list;
1263  size_t dtls_srtp_profile_list_len;
1264 #endif /* MBEDTLS_SSL_DTLS_SRTP */
1265 };
1266 
1270  /*
1271  * Miscellaneous
1272  */
1273  int state;
1274 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1279 #endif /* MBEDTLS_SSL_RENEGOTIATION */
1280 
1284 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
1285  unsigned badmac_seen;
1286 #endif /* MBEDTLS_SSL_DTLS_BADMAC_LIMIT */
1287 
1288 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1290  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *);
1291  void *p_vrfy;
1292 #endif
1293 
1299  void *p_bio;
1301  /*
1302  * Session layer
1303  */
1312  /*
1313  * Record layer transformations
1314  */
1320  /*
1321  * Timers
1322  */
1323  void *p_timer;
1328  /*
1329  * Record layer (incoming data)
1330  */
1331  unsigned char *in_buf;
1332  unsigned char *in_ctr;
1335  unsigned char *in_hdr;
1336 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1337  unsigned char *in_cid;
1339 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1340  unsigned char *in_len;
1341  unsigned char *in_iv;
1342  unsigned char *in_msg;
1343  unsigned char *in_offt;
1346  size_t in_msglen;
1347  size_t in_left;
1348 #if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
1349  size_t in_buf_len;
1350 #endif
1351 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1352  uint16_t in_epoch;
1355 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1356 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
1357  uint64_t in_window_top;
1358  uint64_t in_window;
1359 #endif /* MBEDTLS_SSL_DTLS_ANTI_REPLAY */
1360 
1361  size_t in_hslen;
1363  int nb_zero;
1368 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1371 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1372 
1373  /*
1374  * Record layer (outgoing data)
1375  */
1376  unsigned char *out_buf;
1377  unsigned char *out_ctr;
1378  unsigned char *out_hdr;
1379 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1380  unsigned char *out_cid;
1382 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1383  unsigned char *out_len;
1384  unsigned char *out_iv;
1385  unsigned char *out_msg;
1388  size_t out_msglen;
1389  size_t out_left;
1390 #if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
1391  size_t out_buf_len;
1392 #endif
1393 
1394  unsigned char cur_out_ctr[8];
1396 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1397  uint16_t mtu;
1398 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1399 
1400 #if defined(MBEDTLS_ZLIB_SUPPORT)
1401  unsigned char *compress_buf;
1402 #endif /* MBEDTLS_ZLIB_SUPPORT */
1403 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
1404  signed char split_done;
1405 #endif /* MBEDTLS_SSL_CBC_RECORD_SPLITTING */
1406 
1407  /*
1408  * PKI layer
1409  */
1412  /*
1413  * User settings
1414  */
1415 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1416  char *hostname;
1418 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1419 
1420 #if defined(MBEDTLS_SSL_ALPN)
1421  const char *alpn_chosen;
1422 #endif /* MBEDTLS_SSL_ALPN */
1423 
1424 #if defined(MBEDTLS_SSL_DTLS_SRTP)
1425  /*
1426  * use_srtp extension
1427  */
1428  mbedtls_dtls_srtp_info dtls_srtp_info;
1429 #endif /* MBEDTLS_SSL_DTLS_SRTP */
1430 
1431  /*
1432  * Information for DTLS hello verify
1433  */
1434 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
1435  unsigned char *cli_id;
1436  size_t cli_id_len;
1437 #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY && MBEDTLS_SSL_SRV_C */
1438 
1439  /*
1440  * Secure renegotiation
1441  */
1442  /* needed to know when to send extension on server */
1445 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1449 #endif /* MBEDTLS_SSL_RENEGOTIATION */
1450 
1451 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1452  /* CID configuration to use in subsequent handshakes. */
1453 
1458  unsigned char own_cid[MBEDTLS_SSL_CID_IN_LEN_MAX];
1459  uint8_t own_cid_len;
1460  uint8_t negotiate_cid;
1464 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1465 };
1466 
1467 #if defined(MBEDTLS_SSL_HW_RECORD_ACCEL)
1468 
1469 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
1470 
1471 #define MBEDTLS_SSL_CHANNEL_OUTBOUND MBEDTLS_DEPRECATED_NUMERIC_CONSTANT(0)
1472 #define MBEDTLS_SSL_CHANNEL_INBOUND MBEDTLS_DEPRECATED_NUMERIC_CONSTANT(1)
1473 
1474 #if defined(MBEDTLS_DEPRECATED_WARNING)
1475 #define MBEDTLS_DEPRECATED __attribute__((deprecated))
1476 #else
1477 #define MBEDTLS_DEPRECATED
1478 #endif /* MBEDTLS_DEPRECATED_WARNING */
1479 
1480 MBEDTLS_DEPRECATED extern int (*mbedtls_ssl_hw_record_init)(
1481  mbedtls_ssl_context *ssl,
1482  const unsigned char *key_enc, const unsigned char *key_dec,
1483  size_t keylen,
1484  const unsigned char *iv_enc, const unsigned char *iv_dec,
1485  size_t ivlen,
1486  const unsigned char *mac_enc, const unsigned char *mac_dec,
1487  size_t maclen);
1488 MBEDTLS_DEPRECATED extern int (*mbedtls_ssl_hw_record_activate)(
1489  mbedtls_ssl_context *ssl,
1490  int direction);
1491 MBEDTLS_DEPRECATED extern int (*mbedtls_ssl_hw_record_reset)(
1492  mbedtls_ssl_context *ssl);
1493 MBEDTLS_DEPRECATED extern int (*mbedtls_ssl_hw_record_write)(
1494  mbedtls_ssl_context *ssl);
1495 MBEDTLS_DEPRECATED extern int (*mbedtls_ssl_hw_record_read)(
1496  mbedtls_ssl_context *ssl);
1497 MBEDTLS_DEPRECATED extern int (*mbedtls_ssl_hw_record_finish)(
1498  mbedtls_ssl_context *ssl);
1499 
1500 #undef MBEDTLS_DEPRECATED
1501 #endif /* !MBEDTLS_DEPRECATED_REMOVED */
1502 
1503 #endif /* MBEDTLS_SSL_HW_RECORD_ACCEL */
1504 
1513 const char *mbedtls_ssl_get_ciphersuite_name(const int ciphersuite_id);
1514 
1523 int mbedtls_ssl_get_ciphersuite_id(const char *ciphersuite_name);
1524 
1533 
1559  const mbedtls_ssl_config *conf);
1560 
1572 
1580 
1596 
1624 
1625 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1642  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
1643  void *p_vrfy);
1644 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1645 
1654  int (*f_rng)(void *, unsigned char *, size_t),
1655  void *p_rng);
1656 
1672  void (*f_dbg)(void *, int, const char *, int, const char *),
1673  void *p_dbg);
1674 
1706  void *p_bio,
1707  mbedtls_ssl_send_t *f_send,
1708  mbedtls_ssl_recv_t *f_recv,
1709  mbedtls_ssl_recv_timeout_t *f_recv_timeout);
1710 
1711 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1712 
1713 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1714 
1715 
1799 int mbedtls_ssl_set_cid(mbedtls_ssl_context *ssl,
1800  int enable,
1801  unsigned char const *own_cid,
1802  size_t own_cid_len);
1803 
1841 int mbedtls_ssl_get_peer_cid(mbedtls_ssl_context *ssl,
1842  int *enabled,
1843  unsigned char peer_cid[MBEDTLS_SSL_CID_OUT_LEN_MAX],
1844  size_t *peer_cid_len);
1845 
1846 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1847 
1890 void mbedtls_ssl_set_mtu(mbedtls_ssl_context *ssl, uint16_t mtu);
1891 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1892 
1893 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1913  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
1914  void *p_vrfy);
1915 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1916 
1934 
1935 #if defined(MBEDTLS_SSL_RECORD_CHECKING)
1981  unsigned char *buf,
1982  size_t buflen);
1983 #endif /* MBEDTLS_SSL_RECORD_CHECKING */
1984 
2006  void *p_timer,
2007  mbedtls_ssl_set_timer_t *f_set_timer,
2008  mbedtls_ssl_get_timer_t *f_get_timer);
2009 
2029 typedef int mbedtls_ssl_ticket_write_t(void *p_ticket,
2030  const mbedtls_ssl_session *session,
2031  unsigned char *start,
2032  const unsigned char *end,
2033  size_t *tlen,
2034  uint32_t *lifetime);
2035 
2036 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
2057 typedef int mbedtls_ssl_export_keys_t(void *p_expkey,
2058  const unsigned char *ms,
2059  const unsigned char *kb,
2060  size_t maclen,
2061  size_t keylen,
2062  size_t ivlen);
2063 
2089 typedef int mbedtls_ssl_export_keys_ext_t(void *p_expkey,
2090  const unsigned char *ms,
2091  const unsigned char *kb,
2092  size_t maclen,
2093  size_t keylen,
2094  size_t ivlen,
2095  const unsigned char client_random[32],
2096  const unsigned char server_random[32],
2097  mbedtls_tls_prf_types tls_prf_type);
2098 #endif /* MBEDTLS_SSL_EXPORT_KEYS */
2099 
2123 typedef int mbedtls_ssl_ticket_parse_t(void *p_ticket,
2124  mbedtls_ssl_session *session,
2125  unsigned char *buf,
2126  size_t len);
2127 
2128 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_SRV_C)
2144  mbedtls_ssl_ticket_write_t *f_ticket_write,
2145  mbedtls_ssl_ticket_parse_t *f_ticket_parse,
2146  void *p_ticket);
2147 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_SRV_C */
2148 
2149 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
2161  mbedtls_ssl_export_keys_t *f_export_keys,
2162  void *p_export_keys);
2163 
2177  mbedtls_ssl_export_keys_ext_t *f_export_keys_ext,
2178  void *p_export_keys);
2179 #endif /* MBEDTLS_SSL_EXPORT_KEYS */
2180 
2181 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
2212 void mbedtls_ssl_conf_async_private_cb(mbedtls_ssl_config *conf,
2213  mbedtls_ssl_async_sign_t *f_async_sign,
2214  mbedtls_ssl_async_decrypt_t *f_async_decrypt,
2215  mbedtls_ssl_async_resume_t *f_async_resume,
2216  mbedtls_ssl_async_cancel_t *f_async_cancel,
2217  void *config_data);
2218 
2227 void *mbedtls_ssl_conf_get_async_config_data(const mbedtls_ssl_config *conf);
2228 
2243 void *mbedtls_ssl_get_async_operation_data(const mbedtls_ssl_context *ssl);
2244 
2256 void mbedtls_ssl_set_async_operation_data(mbedtls_ssl_context *ssl,
2257  void *ctx);
2258 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
2259 
2274 typedef int mbedtls_ssl_cookie_write_t(void *ctx,
2275  unsigned char **p, unsigned char *end,
2276  const unsigned char *info, size_t ilen);
2277 
2291 typedef int mbedtls_ssl_cookie_check_t(void *ctx,
2292  const unsigned char *cookie, size_t clen,
2293  const unsigned char *info, size_t ilen);
2294 
2295 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
2325  mbedtls_ssl_cookie_write_t *f_cookie_write,
2326  mbedtls_ssl_cookie_check_t *f_cookie_check,
2327  void *p_cookie);
2328 
2349  const unsigned char *info,
2350  size_t ilen);
2351 
2352 #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY && MBEDTLS_SSL_SRV_C */
2353 
2354 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
2371 #endif /* MBEDTLS_SSL_DTLS_ANTI_REPLAY */
2372 
2373 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
2398 #endif /* MBEDTLS_SSL_DTLS_BADMAC_LIMIT */
2399 
2400 #if defined(MBEDTLS_SSL_PROTO_DTLS)
2401 
2431  unsigned allow_packing);
2432 
2464 void mbedtls_ssl_conf_handshake_timeout(mbedtls_ssl_config *conf, uint32_t min, uint32_t max);
2465 #endif /* MBEDTLS_SSL_PROTO_DTLS */
2466 
2467 #if defined(MBEDTLS_SSL_SRV_C)
2506  void *p_cache,
2507  int (*f_get_cache)(void *, mbedtls_ssl_session *),
2508  int (*f_set_cache)(void *, const mbedtls_ssl_session *));
2509 #endif /* MBEDTLS_SSL_SRV_C */
2510 
2511 #if defined(MBEDTLS_SSL_CLI_C)
2527 #endif /* MBEDTLS_SSL_CLI_C */
2528 
2562  const unsigned char *buf,
2563  size_t len);
2564 
2592  unsigned char *buf,
2593  size_t buf_len,
2594  size_t *olen);
2595 
2612 
2629  const int *ciphersuites);
2630 
2631 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
2632 #define MBEDTLS_SSL_UNEXPECTED_CID_IGNORE 0
2633 #define MBEDTLS_SSL_UNEXPECTED_CID_FAIL 1
2666 int mbedtls_ssl_conf_cid(mbedtls_ssl_config *conf, size_t len,
2667  int ignore_other_cids);
2668 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
2669 
2690  const int *ciphersuites,
2691  int major, int minor);
2692 
2693 #if defined(MBEDTLS_X509_CRT_PARSE_C)
2705  const mbedtls_x509_crt_profile *profile);
2706 
2719  mbedtls_x509_crt *ca_chain,
2720  mbedtls_x509_crl *ca_crl);
2721 
2722 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
2774 void mbedtls_ssl_conf_ca_cb(mbedtls_ssl_config *conf,
2775  mbedtls_x509_crt_ca_cb_t f_ca_cb,
2776  void *p_ca_cb);
2777 #endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
2778 
2816  mbedtls_x509_crt *own_cert,
2817  mbedtls_pk_context *pk_key);
2818 #endif /* MBEDTLS_X509_CRT_PARSE_C */
2819 
2820 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
2853  const unsigned char *psk, size_t psk_len,
2854  const unsigned char *psk_identity, size_t psk_identity_len);
2855 
2856 #if defined(MBEDTLS_USE_PSA_CRYPTO)
2893 int mbedtls_ssl_conf_psk_opaque(mbedtls_ssl_config *conf,
2894  psa_key_id_t psk,
2895  const unsigned char *psk_identity,
2896  size_t psk_identity_len);
2897 #endif /* MBEDTLS_USE_PSA_CRYPTO */
2898 
2916  const unsigned char *psk, size_t psk_len);
2917 
2918 #if defined(MBEDTLS_USE_PSA_CRYPTO)
2939 int mbedtls_ssl_set_hs_psk_opaque(mbedtls_ssl_context *ssl,
2940  psa_key_id_t psk);
2941 #endif /* MBEDTLS_USE_PSA_CRYPTO */
2942 
2982  int (*f_psk)(void *, mbedtls_ssl_context *, const unsigned char *,
2983  size_t),
2984  void *p_psk);
2985 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
2986 
2987 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_SRV_C)
2988 
2989 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
2990 
2991 #if defined(MBEDTLS_DEPRECATED_WARNING)
2992 #define MBEDTLS_DEPRECATED __attribute__((deprecated))
2993 #else
2994 #define MBEDTLS_DEPRECATED
2995 #endif
2996 
3011  const char *dhm_P,
3012  const char *dhm_G);
3013 
3014 #endif /* MBEDTLS_DEPRECATED_REMOVED */
3015 
3030  const unsigned char *dhm_P, size_t P_len,
3031  const unsigned char *dhm_G, size_t G_len);
3032 
3043 #endif /* MBEDTLS_DHM_C && defined(MBEDTLS_SSL_SRV_C) */
3044 
3045 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_CLI_C)
3055  unsigned int bitlen);
3056 #endif /* MBEDTLS_DHM_C && MBEDTLS_SSL_CLI_C */
3057 
3058 #if defined(MBEDTLS_ECP_C)
3089  const mbedtls_ecp_group_id *curves);
3090 #endif /* MBEDTLS_ECP_C */
3091 
3092 #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
3114  const int *hashes);
3115 #endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */
3116 
3117 #if defined(MBEDTLS_X509_CRT_PARSE_C)
3136 int mbedtls_ssl_set_hostname(mbedtls_ssl_context *ssl, const char *hostname);
3137 #endif /* MBEDTLS_X509_CRT_PARSE_C */
3138 
3139 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
3153  mbedtls_x509_crt *own_cert,
3154  mbedtls_pk_context *pk_key);
3155 
3168  mbedtls_x509_crt *ca_chain,
3169  mbedtls_x509_crl *ca_crl);
3170 
3182  int authmode);
3183 
3208  int (*f_sni)(void *, mbedtls_ssl_context *, const unsigned char *,
3209  size_t),
3210  void *p_sni);
3211 #endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */
3212 
3213 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
3231 int mbedtls_ssl_set_hs_ecjpake_password(mbedtls_ssl_context *ssl,
3232  const unsigned char *pw,
3233  size_t pw_len);
3234 #endif /*MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
3235 
3236 #if defined(MBEDTLS_SSL_ALPN)
3249 int mbedtls_ssl_conf_alpn_protocols(mbedtls_ssl_config *conf, const char **protos);
3250 
3261 #endif /* MBEDTLS_SSL_ALPN */
3262 
3263 #if defined(MBEDTLS_SSL_DTLS_SRTP)
3264 #if defined(MBEDTLS_DEBUG_C)
3265 static inline const char *mbedtls_ssl_get_srtp_profile_as_string(mbedtls_ssl_srtp_profile profile)
3266 {
3267  switch (profile) {
3268  case MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80:
3269  return "MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80";
3270  case MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32:
3271  return "MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32";
3272  case MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80:
3273  return "MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80";
3274  case MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32:
3275  return "MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32";
3276  default: break;
3277  }
3278  return "";
3279 }
3280 #endif /* MBEDTLS_DEBUG_C */
3294 void mbedtls_ssl_conf_srtp_mki_value_supported(mbedtls_ssl_config *conf,
3295  int support_mki_value);
3296 
3316 int mbedtls_ssl_conf_dtls_srtp_protection_profiles
3317  (mbedtls_ssl_config *conf,
3318  const mbedtls_ssl_srtp_profile *profiles);
3319 
3336 int mbedtls_ssl_dtls_srtp_set_mki_value(mbedtls_ssl_context *ssl,
3337  unsigned char *mki_value,
3338  uint16_t mki_len);
3357 void mbedtls_ssl_get_dtls_srtp_negotiation_result(const mbedtls_ssl_context *ssl,
3358  mbedtls_dtls_srtp_info *dtls_srtp_info);
3359 #endif /* MBEDTLS_SSL_DTLS_SRTP */
3360 
3377 void mbedtls_ssl_conf_max_version(mbedtls_ssl_config *conf, int major, int minor);
3378 
3397 void mbedtls_ssl_conf_min_version(mbedtls_ssl_config *conf, int major, int minor);
3398 
3399 #if defined(MBEDTLS_SSL_FALLBACK_SCSV) && defined(MBEDTLS_SSL_CLI_C)
3420 #endif /* MBEDTLS_SSL_FALLBACK_SCSV && MBEDTLS_SSL_CLI_C */
3421 
3422 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
3435 #endif /* MBEDTLS_SSL_ENCRYPT_THEN_MAC */
3436 
3437 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
3450 #endif /* MBEDTLS_SSL_EXTENDED_MASTER_SECRET */
3451 
3452 #if defined(MBEDTLS_ARC4_C)
3469 #endif /* MBEDTLS_ARC4_C */
3470 
3471 #if defined(MBEDTLS_SSL_SRV_C)
3482  char cert_req_ca_list);
3483 #endif /* MBEDTLS_SSL_SRV_C */
3484 
3485 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
3520 int mbedtls_ssl_conf_max_frag_len(mbedtls_ssl_config *conf, unsigned char mfl_code);
3521 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
3522 
3523 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
3533 #endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
3534 
3535 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
3548 #endif /* MBEDTLS_SSL_CBC_RECORD_SPLITTING */
3549 
3550 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C)
3562 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_CLI_C */
3563 
3564 #if defined(MBEDTLS_SSL_RENEGOTIATION)
3583 #endif /* MBEDTLS_SSL_RENEGOTIATION */
3584 
3613 
3614 #if defined(MBEDTLS_SSL_RENEGOTIATION)
3653 
3680  const unsigned char period[8]);
3681 #endif /* MBEDTLS_SSL_RENEGOTIATION */
3682 
3722 
3739 
3753 
3762 
3771 
3786 
3787 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
3802 
3818 
3819 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
3820 
3821 #if defined(MBEDTLS_DEPRECATED_WARNING)
3822 #define MBEDTLS_DEPRECATED __attribute__((deprecated))
3823 #else
3824 #define MBEDTLS_DEPRECATED
3825 #endif
3826 
3842  const mbedtls_ssl_context *ssl);
3843 #endif /* MBEDTLS_DEPRECATED_REMOVED */
3844 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
3845 
3874 
3875 #if defined(MBEDTLS_X509_CRT_PARSE_C)
3907 #endif /* MBEDTLS_X509_CRT_PARSE_C */
3908 
3909 #if defined(MBEDTLS_SSL_CLI_C)
3937 #endif /* MBEDTLS_SSL_CLI_C */
3938 
3994 
4016 
4017 #if defined(MBEDTLS_SSL_RENEGOTIATION)
4042 #endif /* MBEDTLS_SSL_RENEGOTIATION */
4043 
4121 int mbedtls_ssl_read(mbedtls_ssl_context *ssl, unsigned char *buf, size_t len);
4122 
4183 int mbedtls_ssl_write(mbedtls_ssl_context *ssl, const unsigned char *buf, size_t len);
4184 
4202  unsigned char level,
4203  unsigned char message);
4218 
4225 
4226 #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
4276  unsigned char *buf,
4277  size_t buf_len,
4278  size_t *olen);
4279 
4346  const unsigned char *buf,
4347  size_t len);
4348 #endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */
4349 
4361 
4378  int endpoint, int transport, int preset);
4379 
4386 
4393 
4404 
4421  const unsigned char *secret, size_t slen,
4422  const char *label,
4423  const unsigned char *random, size_t rlen,
4424  unsigned char *dstbuf, size_t dlen);
4425 
4426 #ifdef __cplusplus
4427 }
4428 #endif
4429 
4430 #endif /* ssl.h */
Multi-precision integer library.
#define MBEDTLS_MPI_MAX_SIZE
Definition: bignum.h:88
Configuration options (set of defines)
Platform Security Architecture cryptography module.
This file contains Diffie-Hellman-Merkle (DHM) key exchange definitions and functions.
This file contains ECDH definitions and functions.
This file provides an API for Elliptic Curves over GF(P) (ECP).
#define MBEDTLS_ECP_MAX_BYTES
Definition: ecp.h:307
mbedtls_ecp_group_id
Definition: ecp.h:120
uint32_t psa_key_id_t
Definition: crypto_types.h:278
int(* mbedtls_x509_crt_ca_cb_t)(void *p_ctx, mbedtls_x509_crt const *child, mbedtls_x509_crt **candidate_cas)
The type of trusted certificate callbacks.
Definition: x509_crt.h:744
mbedtls_md_type_t
Supported message digests.
Definition: md.h:62
mbed TLS Platform time abstraction
time_t mbedtls_time_t
Definition: platform_time.h:43
MBEDTLS_DEPRECATED size_t mbedtls_ssl_get_max_frag_len(const mbedtls_ssl_context *ssl)
This function is a deprecated approach to getting the max fragment length. Its an alias for mbedtls_s...
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)
#define MBEDTLS_PSK_MAX_LEN
Definition: ssl.h:492
void mbedtls_ssl_conf_read_timeout(mbedtls_ssl_config *conf, uint32_t timeout)
Set the timeout period for mbedtls_ssl_read() (Default: no timeout.)
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)
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:2029
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)
void mbedtls_ssl_set_mtu(mbedtls_ssl_context *ssl, uint16_t mtu)
Set the Maximum Transport Unit (MTU). Special value: 0 means unset (no limit). This represents the ma...
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_conf_renegotiation_period(mbedtls_ssl_config *conf, const unsigned char period[8])
Set record counter threshold for periodic renegotiation. (Default: 2^48 - 1)
#define MBEDTLS_SSL_CID_OUT_LEN_MAX
Definition: ssl.h:343
const char * mbedtls_ssl_get_ciphersuite(const mbedtls_ssl_context *ssl)
Return the name of the current ciphersuite.
void mbedtls_ssl_conf_legacy_renegotiation(mbedtls_ssl_config *conf, int allow_legacy)
Prevent or allow legacy renegotiation. (Default: MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION)
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 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)
Configure a pre-shared key (PSK) and identity to be used in PSK-based ciphersuites.
const char * mbedtls_ssl_get_version(const mbedtls_ssl_context *ssl)
Return the current SSL version (SSLv3/TLSv1/etc)
int mbedtls_ssl_session_save(const mbedtls_ssl_session *session, unsigned char *buf, size_t buf_len, size_t *olen)
Save session structure as serialized data in a buffer. On client, this can be used for saving session...
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_check_record(mbedtls_ssl_context const *ssl, unsigned char *buf, size_t buflen)
Check whether a buffer contains a valid and authentic record that has not been seen before....
struct mbedtls_ssl_transform mbedtls_ssl_transform
Definition: ssl.h:688
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 mbedtls_ssl_conf_renegotiation_enforced(mbedtls_ssl_config *conf, int max_records)
Enforce renegotiation requests. (Default: enforced, max_records = 16)
void mbedtls_ssl_free(mbedtls_ssl_context *ssl)
Free referenced items in an SSL context and clear memory.
void mbedtls_ssl_conf_transport(mbedtls_ssl_config *conf, int transport)
Set the transport type (TLS or DTLS). Default: TLS.
#define MBEDTLS_SSL_CID_IN_LEN_MAX
Definition: ssl.h:339
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.)
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.
mbedtls_tls_prf_types
Definition: ssl.h:564
@ MBEDTLS_SSL_TLS_PRF_SHA384
Definition: ssl.h:568
@ MBEDTLS_SSL_TLS_PRF_SHA256
Definition: ssl.h:569
@ MBEDTLS_SSL_TLS_PRF_NONE
Definition: ssl.h:565
@ MBEDTLS_SSL_TLS_PRF_TLS1
Definition: ssl.h:567
@ MBEDTLS_SSL_TLS_PRF_SSL3
Definition: ssl.h:566
int mbedtls_ssl_send_t(void *ctx, const unsigned char *buf, size_t len)
Callback type: send data on the network.
Definition: ssl.h:589
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).
mbedtls_ssl_states
Definition: ssl.h:538
@ MBEDTLS_SSL_CERTIFICATE_VERIFY
Definition: ssl.h:548
@ MBEDTLS_SSL_HANDSHAKE_OVER
Definition: ssl.h:555
@ MBEDTLS_SSL_SERVER_HELLO_DONE
Definition: ssl.h:545
@ MBEDTLS_SSL_SERVER_FINISHED
Definition: ssl.h:552
@ MBEDTLS_SSL_SERVER_KEY_EXCHANGE
Definition: ssl.h:543
@ MBEDTLS_SSL_SERVER_HELLO
Definition: ssl.h:541
@ MBEDTLS_SSL_CLIENT_KEY_EXCHANGE
Definition: ssl.h:547
@ MBEDTLS_SSL_CLIENT_HELLO
Definition: ssl.h:540
@ MBEDTLS_SSL_SERVER_CERTIFICATE
Definition: ssl.h:542
@ MBEDTLS_SSL_CERTIFICATE_REQUEST
Definition: ssl.h:544
@ MBEDTLS_SSL_SERVER_NEW_SESSION_TICKET
Definition: ssl.h:556
@ MBEDTLS_SSL_CLIENT_FINISHED
Definition: ssl.h:550
@ MBEDTLS_SSL_SERVER_CHANGE_CIPHER_SPEC
Definition: ssl.h:551
@ MBEDTLS_SSL_SERVER_HELLO_VERIFY_REQUEST_SENT
Definition: ssl.h:557
@ MBEDTLS_SSL_HANDSHAKE_WRAPUP
Definition: ssl.h:554
@ MBEDTLS_SSL_CLIENT_CHANGE_CIPHER_SPEC
Definition: ssl.h:549
@ MBEDTLS_SSL_HELLO_REQUEST
Definition: ssl.h:539
@ MBEDTLS_SSL_CLIENT_CERTIFICATE
Definition: ssl.h:546
@ MBEDTLS_SSL_FLUSH_BUFFERS
Definition: ssl.h:553
void mbedtls_ssl_set_verify(mbedtls_ssl_context *ssl, int(*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *), void *p_vrfy)
Set a connection-specific verification callback (optional).
void mbedtls_ssl_conf_endpoint(mbedtls_ssl_config *conf, int endpoint)
Set the current endpoint type.
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.
size_t mbedtls_ssl_get_input_max_frag_len(const mbedtls_ssl_context *ssl)
Return the maximum fragment length (payload, in bytes) for the input buffer. This is the negotiated m...
int mbedtls_ssl_send_alert_message(mbedtls_ssl_context *ssl, unsigned char level, unsigned char message)
Send an alert message.
const mbedtls_ssl_session * mbedtls_ssl_get_session_pointer(const mbedtls_ssl_context *ssl)
Get a pointer to the current session structure, for example to serialize it.
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....
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.
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 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:2123
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_handshake(mbedtls_ssl_context *ssl)
Perform the SSL 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.
struct mbedtls_ssl_sig_hash_set_t mbedtls_ssl_sig_hash_set_t
Definition: ssl.h:690
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.
uint32_t mbedtls_ssl_get_verify_result(const mbedtls_ssl_context *ssl)
Return the result of the certificate verification.
int mbedtls_ssl_session_load(mbedtls_ssl_session *session, const unsigned char *buf, size_t len)
Load serialized session data into a session structure. On client, this can be used for loading saved ...
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:2274
void mbedtls_ssl_conf_authmode(mbedtls_ssl_config *conf, int authmode)
Set the certificate verification mode Default: NONE on server, REQUIRED on client.
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.)
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....
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...
int mbedtls_ssl_write(mbedtls_ssl_context *ssl, const unsigned char *buf, size_t len)
Try to write exactly 'len' application data bytes.
struct mbedtls_ssl_handshake_params mbedtls_ssl_handshake_params
Definition: ssl.h:689
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:665
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....
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:639
void mbedtls_ssl_conf_sig_hashes(mbedtls_ssl_config *conf, const int *hashes)
Set the allowed hashes for signatures during the handshake. (Default: all SHA-2 hashes,...
void mbedtls_ssl_conf_truncated_hmac(mbedtls_ssl_config *conf, int truncate)
Activate negotiation of truncated HMAC (Default: MBEDTLS_SSL_TRUNC_HMAC_DISABLED)
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.)
void mbedtls_ssl_config_free(mbedtls_ssl_config *conf)
Free an SSL configuration context.
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.
void mbedtls_ssl_session_init(mbedtls_ssl_session *session)
Initialize SSL session structure.
#define MBEDTLS_SSL_VERIFY_DATA_MAX_LEN
Definition: ssl.h:362
int mbedtls_ssl_context_load(mbedtls_ssl_context *ssl, const unsigned char *buf, size_t len)
Load serialized connection data to an SSL context.
void mbedtls_ssl_set_hs_authmode(mbedtls_ssl_context *ssl, int authmode)
Set authmode for the current handshake.
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.
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()
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_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.
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:2057
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...
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...
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....
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_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...
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....
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:2291
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_arc4_support(mbedtls_ssl_config *conf, char arc4)
Disable or enable support for RC4 (Default: MBEDTLS_SSL_ARC4_DISABLED)
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_config_defaults(mbedtls_ssl_config *conf, int endpoint, int transport, int preset)
Load reasonable default SSL configuration values. (You need to call mbedtls_ssl_config_init() first....
int mbedtls_ssl_read(mbedtls_ssl_context *ssl, unsigned char *buf, size_t len)
Read at most 'len' application data bytes.
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....
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...
const mbedtls_x509_crt * mbedtls_ssl_get_peer_cert(const mbedtls_ssl_context *ssl)
Return the peer certificate from the current connection.
#define MBEDTLS_DEPRECATED
Definition: ssl.h:3824
int mbedtls_ssl_handshake_step(mbedtls_ssl_context *ssl)
Perform a single step of the SSL handshake.
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...
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.
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.)
int mbedtls_ssl_export_keys_ext_t(void *p_expkey, const unsigned char *ms, const unsigned char *kb, size_t maclen, size_t keylen, size_t ivlen, const unsigned char client_random[32], const unsigned char server_random[32], mbedtls_tls_prf_types tls_prf_type)
Callback type: Export key block, master secret, handshake randbytes and the tls_prf function used to ...
Definition: ssl.h:2089
void mbedtls_ssl_config_init(mbedtls_ssl_config *conf)
Initialize an SSL configuration context Just makes the context ready for mbedtls_ssl_config_defaults(...
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_context_save(mbedtls_ssl_context *ssl, unsigned char *buf, size_t buf_len, size_t *olen)
Save an active connection as serialized data in a buffer. This allows the freeing or re-using of the ...
int mbedtls_ssl_tls_prf(const mbedtls_tls_prf_types prf, const unsigned char *secret, size_t slen, const char *label, const unsigned char *random, size_t rlen, unsigned char *dstbuf, size_t dlen)
TLS-PRF function for key derivation.
struct mbedtls_ssl_flight_item mbedtls_ssl_flight_item
Definition: ssl.h:695
size_t mbedtls_ssl_get_output_max_frag_len(const mbedtls_ssl_context *ssl)
Return the maximum fragment length (payload, in bytes) for the output buffer. For the client,...
int mbedtls_ssl_recv_t(void *ctx, unsigned char *buf, size_t len)
Callback type: receive data from the network.
Definition: ssl.h:613
void mbedtls_ssl_session_free(mbedtls_ssl_session *session)
Free referenced items in an SSL session including the peer certificate and clear memory.
int mbedtls_ssl_close_notify(mbedtls_ssl_context *ssl)
Notify the peer that the connection is being closed.
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...
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...
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...
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.
void mbedtls_ssl_conf_export_keys_ext_cb(mbedtls_ssl_config *conf, mbedtls_ssl_export_keys_ext_t *f_export_keys_ext, void *p_export_keys)
Configure extended key export callback. (Default: none.)
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...
const char * mbedtls_ssl_get_ciphersuite_name(const int ciphersuite_id)
Return the name of the ciphersuite associated with the given ID.
int mbedtls_ssl_get_timer_t(void *ctx)
Callback type: get status of timers/delays.
Definition: ssl.h:680
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 in order of decreasing si...
int mbedtls_ssl_conf_alpn_protocols(mbedtls_ssl_config *conf, const char **protos)
Set the supported Application Layer Protocols.
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)
struct mbedtls_ssl_key_cert mbedtls_ssl_key_cert
Definition: ssl.h:692
int mbedtls_ssl_setup(mbedtls_ssl_context *ssl, const mbedtls_ssl_config *conf)
Set up an SSL context for use.
void mbedtls_ssl_conf_encrypt_then_mac(mbedtls_ssl_config *conf, char etm)
Enable or disable Encrypt-then-MAC (Default: MBEDTLS_SSL_ETM_ENABLED)
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...
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).
SSL Ciphersuites for mbed TLS.
The DHM context structure.
Definition: dhm.h:111
MPI structure.
Definition: bignum.h:208
Public key container.
Definition: pk.h:197
int(* f_sni)(void *, mbedtls_ssl_context *, const unsigned char *, size_t)
Definition: ssl.h:1135
uint8_t cbc_record_splitting
Definition: ssl.h:1058
uint8_t anti_replay
Definition: ssl.h:1055
int(* f_cookie_check)(void *, const unsigned char *, size_t, const unsigned char *, size_t)
Definition: ssl.h:1156
size_t psk_identity_len
Definition: ssl.h:1247
void * p_ticket
Definition: ssl.h:1167
int renego_max_records
Definition: ssl.h:1100
unsigned char max_major_ver
Definition: ssl.h:1026
const int * ciphersuite_list[4]
Definition: ssl.h:1117
void * p_sni
Definition: ssl.h:1136
uint8_t arc4_disabled
Definition: ssl.h:1043
void * p_rng
Definition: ssl.h:1125
void * p_cookie
Definition: ssl.h:1158
int(* f_set_cache)(void *, const mbedtls_ssl_session *)
Definition: ssl.h:1130
uint32_t hs_timeout_min
Definition: ssl.h:1093
mbedtls_x509_crl * ca_crl
Definition: ssl.h:1191
uint8_t encrypt_then_mac
Definition: ssl.h:1049
int(* f_cookie_write)(void *, unsigned char **, unsigned char *, const unsigned char *, size_t)
Definition: ssl.h:1153
const mbedtls_ecp_group_id * curve_list
Definition: ssl.h:1213
unsigned char * psk_identity
Definition: ssl.h:1242
mbedtls_x509_crt * ca_chain
Definition: ssl.h:1190
int(* f_ticket_write)(void *, const mbedtls_ssl_session *, unsigned char *, const unsigned char *, size_t *, uint32_t *)
Definition: ssl.h:1163
unsigned char max_minor_ver
Definition: ssl.h:1027
void * p_export_keys
Definition: ssl.h:1180
unsigned char min_minor_ver
Definition: ssl.h:1029
unsigned char * psk
Definition: ssl.h:1232
const mbedtls_x509_crt_profile * cert_profile
Definition: ssl.h:1188
const int * sig_hashes
Definition: ssl.h:1209
uint32_t read_timeout
Definition: ssl.h:1090
uint8_t trunc_hmac
Definition: ssl.h:1064
uint8_t fallback
Definition: ssl.h:1070
int(* f_rng)(void *, unsigned char *, size_t)
Definition: ssl.h:1124
int(* f_get_cache)(void *, mbedtls_ssl_session *)
Definition: ssl.h:1128
uint8_t transport
Definition: ssl.h:1038
int(* f_ticket_parse)(void *, mbedtls_ssl_session *, unsigned char *, size_t)
Definition: ssl.h:1166
void(* f_dbg)(void *, int, const char *, int, const char *)
Definition: ssl.h:1120
unsigned char renego_period[8]
Definition: ssl.h:1101
uint8_t extended_ms
Definition: ssl.h:1052
unsigned int badmac_limit
Definition: ssl.h:1106
int(* f_export_keys_ext)(void *, const unsigned char *, const unsigned char *, size_t, size_t, size_t, const unsigned char[32], const unsigned char[32], mbedtls_tls_prf_types)
Definition: ssl.h:1176
int(* f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *)
Definition: ssl.h:1141
unsigned int dhm_min_bitlen
Definition: ssl.h:1110
const char ** alpn_list
Definition: ssl.h:1256
int(* f_export_keys)(void *, const unsigned char *, const unsigned char *, size_t, size_t, size_t)
Definition: ssl.h:1172
void * p_vrfy
Definition: ssl.h:1142
void * p_cache
Definition: ssl.h:1131
void * p_psk
Definition: ssl.h:1148
size_t psk_len
Definition: ssl.h:1236
uint8_t session_tickets
Definition: ssl.h:1067
void * p_dbg
Definition: ssl.h:1121
uint8_t mfl_code
Definition: ssl.h:1046
unsigned char min_major_ver
Definition: ssl.h:1028
uint8_t cert_req_ca_list
Definition: ssl.h:1073
uint8_t allow_legacy_renegotiation
Definition: ssl.h:1041
mbedtls_mpi dhm_G
Definition: ssl.h:1218
uint32_t hs_timeout_max
Definition: ssl.h:1095
mbedtls_mpi dhm_P
Definition: ssl.h:1217
uint8_t endpoint
Definition: ssl.h:1037
uint8_t disable_renegotiation
Definition: ssl.h:1061
uint8_t authmode
Definition: ssl.h:1039
mbedtls_ssl_key_cert * key_cert
Definition: ssl.h:1189
int(* f_psk)(void *, mbedtls_ssl_context *, const unsigned char *, size_t)
Definition: ssl.h:1147
unsigned char * out_hdr
Definition: ssl.h:1378
size_t verify_data_len
Definition: ssl.h:1446
mbedtls_ssl_transform * transform_out
Definition: ssl.h:1316
uint64_t in_window
Definition: ssl.h:1358
signed char split_done
Definition: ssl.h:1404
uint8_t disable_datagram_packing
Definition: ssl.h:1369
mbedtls_ssl_session * session_in
Definition: ssl.h:1304
mbedtls_ssl_set_timer_t * f_set_timer
Definition: ssl.h:1325
unsigned char * cli_id
Definition: ssl.h:1435
size_t cli_id_len
Definition: ssl.h:1436
mbedtls_ssl_session * session
Definition: ssl.h:1306
char * hostname
Definition: ssl.h:1416
unsigned char cur_out_ctr[8]
Definition: ssl.h:1394
unsigned char * out_len
Definition: ssl.h:1383
mbedtls_ssl_get_timer_t * f_get_timer
Definition: ssl.h:1326
mbedtls_ssl_transform * transform
Definition: ssl.h:1317
char own_verify_data[MBEDTLS_SSL_VERIFY_DATA_MAX_LEN]
Definition: ssl.h:1447
mbedtls_ssl_send_t * f_send
Definition: ssl.h:1294
unsigned char * out_msg
Definition: ssl.h:1385
int(* f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *)
Definition: ssl.h:1290
void * p_vrfy
Definition: ssl.h:1291
mbedtls_ssl_session * session_negotiate
Definition: ssl.h:1307
char peer_verify_data[MBEDTLS_SSL_VERIFY_DATA_MAX_LEN]
Definition: ssl.h:1448
unsigned char * in_iv
Definition: ssl.h:1341
unsigned char * out_buf
Definition: ssl.h:1376
unsigned char * in_buf
Definition: ssl.h:1331
const char * alpn_chosen
Definition: ssl.h:1421
size_t out_left
Definition: ssl.h:1389
size_t in_hslen
Definition: ssl.h:1361
mbedtls_ssl_session * session_out
Definition: ssl.h:1305
size_t next_record_offset
Definition: ssl.h:1353
uint64_t in_window_top
Definition: ssl.h:1357
unsigned char * in_msg
Definition: ssl.h:1342
size_t out_msglen
Definition: ssl.h:1388
mbedtls_ssl_recv_t * f_recv
Definition: ssl.h:1295
int renego_records_seen
Definition: ssl.h:1276
unsigned char * out_ctr
Definition: ssl.h:1377
unsigned char * out_iv
Definition: ssl.h:1384
unsigned char * in_ctr
Definition: ssl.h:1332
mbedtls_ssl_recv_timeout_t * f_recv_timeout
Definition: ssl.h:1296
unsigned char * in_hdr
Definition: ssl.h:1335
mbedtls_ssl_transform * transform_in
Definition: ssl.h:1315
mbedtls_ssl_handshake_params * handshake
Definition: ssl.h:1309
int secure_renegotiation
Definition: ssl.h:1443
mbedtls_ssl_transform * transform_negotiate
Definition: ssl.h:1318
unsigned badmac_seen
Definition: ssl.h:1285
size_t in_msglen
Definition: ssl.h:1346
void * p_timer
Definition: ssl.h:1323
uint16_t in_epoch
Definition: ssl.h:1352
size_t in_left
Definition: ssl.h:1347
void * p_bio
Definition: ssl.h:1299
unsigned char * in_offt
Definition: ssl.h:1343
unsigned char * in_len
Definition: ssl.h:1340
uint16_t mtu
Definition: ssl.h:1397
const mbedtls_ssl_config * conf
Definition: ssl.h:1268
int keep_current_message
Definition: ssl.h:1365
uint32_t ticket_lifetime
Definition: ssl.h:1004
mbedtls_x509_crt * peer_cert
Definition: ssl.h:990
size_t ticket_len
Definition: ssl.h:1003
uint32_t verify_result
Definition: ssl.h:999
mbedtls_time_t start
Definition: ssl.h:980
unsigned char mfl_code
Definition: ssl.h:976
int encrypt_then_mac
Definition: ssl.h:1012
size_t id_len
Definition: ssl.h:984
unsigned char * ticket
Definition: ssl.h:1002
unsigned char master[48]
Definition: ssl.h:986
unsigned char _pms_ecdhe_psk[4+MBEDTLS_ECP_MAX_BYTES+MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:522
unsigned char _pms_dhm[MBEDTLS_MPI_MAX_SIZE]
Definition: ssl.h:502
unsigned char _pms_psk[4+2 *MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:511
unsigned char _pms_rsa_psk[52+MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:518
unsigned char dummy
Definition: ssl.h:497
unsigned char _pms_rsa[48]
Definition: ssl.h:499
unsigned char _pms_dhe_psk[4+MBEDTLS_MPI_MAX_SIZE+MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:515
unsigned char _pms_ecdh[MBEDTLS_ECP_MAX_BYTES]
Definition: ssl.h:508
X.509 certificate revocation list parsing.
X.509 certificate parsing and writing.