mbed TLS v2.23.0
ssl.h
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1 
6 /*
7  * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
8  * SPDX-License-Identifier: Apache-2.0
9  *
10  * Licensed under the Apache License, Version 2.0 (the "License"); you may
11  * not use this file except in compliance with the License.
12  * You may obtain a copy of the License at
13  *
14  * http://www.apache.org/licenses/LICENSE-2.0
15  *
16  * Unless required by applicable law or agreed to in writing, software
17  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
18  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19  * See the License for the specific language governing permissions and
20  * limitations under the License.
21  *
22  * This file is part of mbed TLS (https://tls.mbed.org)
23  */
24 #ifndef MBEDTLS_SSL_H
25 #define MBEDTLS_SSL_H
26 
27 #if !defined(MBEDTLS_CONFIG_FILE)
28 #include "mbedtls/config.h"
29 #else
30 #include MBEDTLS_CONFIG_FILE
31 #endif
32 
33 #include "mbedtls/bignum.h"
34 #include "mbedtls/ecp.h"
35 
37 
38 #if defined(MBEDTLS_X509_CRT_PARSE_C)
39 #include "mbedtls/x509_crt.h"
40 #include "mbedtls/x509_crl.h"
41 #endif
42 
43 #if defined(MBEDTLS_DHM_C)
44 #include "mbedtls/dhm.h"
45 #endif
46 
47 #if defined(MBEDTLS_ECDH_C)
48 #include "mbedtls/ecdh.h"
49 #endif
50 
51 #if defined(MBEDTLS_ZLIB_SUPPORT)
52 
53 #if defined(MBEDTLS_DEPRECATED_WARNING)
54 #warning "Record compression support via MBEDTLS_ZLIB_SUPPORT is deprecated and will be removed in the next major revision of the library"
55 #endif
56 
57 #if defined(MBEDTLS_DEPRECATED_REMOVED)
58 #error "Record compression support via MBEDTLS_ZLIB_SUPPORT is deprecated and cannot be used if MBEDTLS_DEPRECATED_REMOVED is set"
59 #endif
60 
61 #include "zlib.h"
62 #endif
63 
64 #if defined(MBEDTLS_HAVE_TIME)
65 #include "mbedtls/platform_time.h"
66 #endif
67 
68 #if defined(MBEDTLS_USE_PSA_CRYPTO)
69 #include "psa/crypto.h"
70 #endif /* MBEDTLS_USE_PSA_CRYPTO */
71 
72 /*
73  * SSL Error codes
74  */
75 #define MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE -0x7080
76 #define MBEDTLS_ERR_SSL_BAD_INPUT_DATA -0x7100
77 #define MBEDTLS_ERR_SSL_INVALID_MAC -0x7180
78 #define MBEDTLS_ERR_SSL_INVALID_RECORD -0x7200
79 #define MBEDTLS_ERR_SSL_CONN_EOF -0x7280
80 #define MBEDTLS_ERR_SSL_UNKNOWN_CIPHER -0x7300
81 #define MBEDTLS_ERR_SSL_NO_CIPHER_CHOSEN -0x7380
82 #define MBEDTLS_ERR_SSL_NO_RNG -0x7400
83 #define MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE -0x7480
84 #define MBEDTLS_ERR_SSL_CERTIFICATE_TOO_LARGE -0x7500
85 #define MBEDTLS_ERR_SSL_CERTIFICATE_REQUIRED -0x7580
86 #define MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED -0x7600
87 #define MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED -0x7680
88 #define MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE -0x7700
89 #define MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE -0x7780
90 #define MBEDTLS_ERR_SSL_PEER_VERIFY_FAILED -0x7800
91 #define MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY -0x7880
92 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO -0x7900
93 #define MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO -0x7980
94 #define MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE -0x7A00
95 #define MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST -0x7A80
96 #define MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE -0x7B00
97 #define MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE -0x7B80
98 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE -0x7C00
99 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP -0x7C80
100 #define MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS -0x7D00
101 #define MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY -0x7D80
102 #define MBEDTLS_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC -0x7E00
103 #define MBEDTLS_ERR_SSL_BAD_HS_FINISHED -0x7E80
104 #define MBEDTLS_ERR_SSL_ALLOC_FAILED -0x7F00
105 #define MBEDTLS_ERR_SSL_HW_ACCEL_FAILED -0x7F80
106 #define MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH -0x6F80
107 #define MBEDTLS_ERR_SSL_COMPRESSION_FAILED -0x6F00
108 #define MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION -0x6E80
109 #define MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET -0x6E00
110 #define MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED -0x6D80
111 #define MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH -0x6D00
112 #define MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY -0x6C80
113 #define MBEDTLS_ERR_SSL_INTERNAL_ERROR -0x6C00
114 #define MBEDTLS_ERR_SSL_COUNTER_WRAPPING -0x6B80
115 #define MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO -0x6B00
116 #define MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED -0x6A80
117 #define MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL -0x6A00
118 #define MBEDTLS_ERR_SSL_NO_USABLE_CIPHERSUITE -0x6980
119 #define MBEDTLS_ERR_SSL_WANT_READ -0x6900
120 #define MBEDTLS_ERR_SSL_WANT_WRITE -0x6880
121 #define MBEDTLS_ERR_SSL_TIMEOUT -0x6800
122 #define MBEDTLS_ERR_SSL_CLIENT_RECONNECT -0x6780
123 #define MBEDTLS_ERR_SSL_UNEXPECTED_RECORD -0x6700
124 #define MBEDTLS_ERR_SSL_NON_FATAL -0x6680
125 #define MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH -0x6600
126 #define MBEDTLS_ERR_SSL_CONTINUE_PROCESSING -0x6580
127 #define MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS -0x6500
128 #define MBEDTLS_ERR_SSL_EARLY_MESSAGE -0x6480
129 #define MBEDTLS_ERR_SSL_UNEXPECTED_CID -0x6000
130 #define MBEDTLS_ERR_SSL_VERSION_MISMATCH -0x5F00
131 #define MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS -0x7000
132 #define MBEDTLS_ERR_SSL_BAD_CONFIG -0x5E80
134 /*
135  * Various constants
136  */
137 #define MBEDTLS_SSL_MAJOR_VERSION_3 3
138 #define MBEDTLS_SSL_MINOR_VERSION_0 0
139 #define MBEDTLS_SSL_MINOR_VERSION_1 1
140 #define MBEDTLS_SSL_MINOR_VERSION_2 2
141 #define MBEDTLS_SSL_MINOR_VERSION_3 3
142 #define MBEDTLS_SSL_MINOR_VERSION_4 4
144 #define MBEDTLS_SSL_TRANSPORT_STREAM 0
145 #define MBEDTLS_SSL_TRANSPORT_DATAGRAM 1
147 #define MBEDTLS_SSL_MAX_HOST_NAME_LEN 255
148 #define MBEDTLS_SSL_MAX_ALPN_NAME_LEN 255
150 #define MBEDTLS_SSL_MAX_ALPN_LIST_LEN 65535
152 /* RFC 6066 section 4, see also mfl_code_to_length in ssl_tls.c
153  * NONE must be zero so that memset()ing structure to zero works */
154 #define MBEDTLS_SSL_MAX_FRAG_LEN_NONE 0
155 #define MBEDTLS_SSL_MAX_FRAG_LEN_512 1
156 #define MBEDTLS_SSL_MAX_FRAG_LEN_1024 2
157 #define MBEDTLS_SSL_MAX_FRAG_LEN_2048 3
158 #define MBEDTLS_SSL_MAX_FRAG_LEN_4096 4
159 #define MBEDTLS_SSL_MAX_FRAG_LEN_INVALID 5
161 #define MBEDTLS_SSL_IS_CLIENT 0
162 #define MBEDTLS_SSL_IS_SERVER 1
163 
164 #define MBEDTLS_SSL_IS_NOT_FALLBACK 0
165 #define MBEDTLS_SSL_IS_FALLBACK 1
166 
167 #define MBEDTLS_SSL_EXTENDED_MS_DISABLED 0
168 #define MBEDTLS_SSL_EXTENDED_MS_ENABLED 1
169 
170 #define MBEDTLS_SSL_CID_DISABLED 0
171 #define MBEDTLS_SSL_CID_ENABLED 1
172 
173 #define MBEDTLS_SSL_ETM_DISABLED 0
174 #define MBEDTLS_SSL_ETM_ENABLED 1
175 
176 #define MBEDTLS_SSL_COMPRESS_NULL 0
177 #define MBEDTLS_SSL_COMPRESS_DEFLATE 1
178 
179 #define MBEDTLS_SSL_VERIFY_NONE 0
180 #define MBEDTLS_SSL_VERIFY_OPTIONAL 1
181 #define MBEDTLS_SSL_VERIFY_REQUIRED 2
182 #define MBEDTLS_SSL_VERIFY_UNSET 3 /* Used only for sni_authmode */
183 
184 #define MBEDTLS_SSL_LEGACY_RENEGOTIATION 0
185 #define MBEDTLS_SSL_SECURE_RENEGOTIATION 1
186 
187 #define MBEDTLS_SSL_RENEGOTIATION_DISABLED 0
188 #define MBEDTLS_SSL_RENEGOTIATION_ENABLED 1
189 
190 #define MBEDTLS_SSL_ANTI_REPLAY_DISABLED 0
191 #define MBEDTLS_SSL_ANTI_REPLAY_ENABLED 1
192 
193 #define MBEDTLS_SSL_RENEGOTIATION_NOT_ENFORCED -1
194 #define MBEDTLS_SSL_RENEGO_MAX_RECORDS_DEFAULT 16
195 
196 #define MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION 0
197 #define MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION 1
198 #define MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE 2
199 
200 #define MBEDTLS_SSL_TRUNC_HMAC_DISABLED 0
201 #define MBEDTLS_SSL_TRUNC_HMAC_ENABLED 1
202 #define MBEDTLS_SSL_TRUNCATED_HMAC_LEN 10 /* 80 bits, rfc 6066 section 7 */
203 
204 #define MBEDTLS_SSL_SESSION_TICKETS_DISABLED 0
205 #define MBEDTLS_SSL_SESSION_TICKETS_ENABLED 1
206 
207 #define MBEDTLS_SSL_CBC_RECORD_SPLITTING_DISABLED 0
208 #define MBEDTLS_SSL_CBC_RECORD_SPLITTING_ENABLED 1
209 
210 #define MBEDTLS_SSL_ARC4_ENABLED 0
211 #define MBEDTLS_SSL_ARC4_DISABLED 1
212 
213 #define MBEDTLS_SSL_PRESET_DEFAULT 0
214 #define MBEDTLS_SSL_PRESET_SUITEB 2
215 
216 #define MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED 1
217 #define MBEDTLS_SSL_CERT_REQ_CA_LIST_DISABLED 0
218 
219 /*
220  * Default range for DTLS retransmission timer value, in milliseconds.
221  * RFC 6347 4.2.4.1 says from 1 second to 60 seconds.
222  */
223 #define MBEDTLS_SSL_DTLS_TIMEOUT_DFL_MIN 1000
224 #define MBEDTLS_SSL_DTLS_TIMEOUT_DFL_MAX 60000
225 
234 #if !defined(MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME)
235 #define MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME 86400
236 #endif
237 
238 /*
239  * Maximum fragment length in bytes,
240  * determines the size of each of the two internal I/O buffers.
241  *
242  * Note: the RFC defines the default size of SSL / TLS messages. If you
243  * change the value here, other clients / servers may not be able to
244  * communicate with you anymore. Only change this value if you control
245  * both sides of the connection and have it reduced at both sides, or
246  * if you're using the Max Fragment Length extension and you know all your
247  * peers are using it too!
248  */
249 #if !defined(MBEDTLS_SSL_MAX_CONTENT_LEN)
250 #define MBEDTLS_SSL_MAX_CONTENT_LEN 16384
251 #endif
252 
253 #if !defined(MBEDTLS_SSL_IN_CONTENT_LEN)
254 #define MBEDTLS_SSL_IN_CONTENT_LEN MBEDTLS_SSL_MAX_CONTENT_LEN
255 #endif
256 
257 #if !defined(MBEDTLS_SSL_OUT_CONTENT_LEN)
258 #define MBEDTLS_SSL_OUT_CONTENT_LEN MBEDTLS_SSL_MAX_CONTENT_LEN
259 #endif
260 
261 /*
262  * Maximum number of heap-allocated bytes for the purpose of
263  * DTLS handshake message reassembly and future message buffering.
264  */
265 #if !defined(MBEDTLS_SSL_DTLS_MAX_BUFFERING)
266 #define MBEDTLS_SSL_DTLS_MAX_BUFFERING 32768
267 #endif
268 
269 /*
270  * Maximum length of CIDs for incoming and outgoing messages.
271  */
272 #if !defined(MBEDTLS_SSL_CID_IN_LEN_MAX)
273 #define MBEDTLS_SSL_CID_IN_LEN_MAX 32
274 #endif
275 
276 #if !defined(MBEDTLS_SSL_CID_OUT_LEN_MAX)
277 #define MBEDTLS_SSL_CID_OUT_LEN_MAX 32
278 #endif
279 
280 #if !defined(MBEDTLS_SSL_CID_PADDING_GRANULARITY)
281 #define MBEDTLS_SSL_CID_PADDING_GRANULARITY 16
282 #endif
283 
284 #if !defined(MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY)
285 #define MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY 1
286 #endif
287 
288 /* \} name SECTION: Module settings */
289 
290 /*
291  * Length of the verify data for secure renegotiation
292  */
293 #if defined(MBEDTLS_SSL_PROTO_SSL3)
294 #define MBEDTLS_SSL_VERIFY_DATA_MAX_LEN 36
295 #else
296 #define MBEDTLS_SSL_VERIFY_DATA_MAX_LEN 12
297 #endif
298 
299 /*
300  * Signaling ciphersuite values (SCSV)
301  */
302 #define MBEDTLS_SSL_EMPTY_RENEGOTIATION_INFO 0xFF
303 #define MBEDTLS_SSL_FALLBACK_SCSV_VALUE 0x5600
305 /*
306  * Supported Signature and Hash algorithms (For TLS 1.2)
307  * RFC 5246 section 7.4.1.4.1
308  */
309 #define MBEDTLS_SSL_HASH_NONE 0
310 #define MBEDTLS_SSL_HASH_MD5 1
311 #define MBEDTLS_SSL_HASH_SHA1 2
312 #define MBEDTLS_SSL_HASH_SHA224 3
313 #define MBEDTLS_SSL_HASH_SHA256 4
314 #define MBEDTLS_SSL_HASH_SHA384 5
315 #define MBEDTLS_SSL_HASH_SHA512 6
316 
317 #define MBEDTLS_SSL_SIG_ANON 0
318 #define MBEDTLS_SSL_SIG_RSA 1
319 #define MBEDTLS_SSL_SIG_ECDSA 3
320 
321 /*
322  * Client Certificate Types
323  * RFC 5246 section 7.4.4 plus RFC 4492 section 5.5
324  */
325 #define MBEDTLS_SSL_CERT_TYPE_RSA_SIGN 1
326 #define MBEDTLS_SSL_CERT_TYPE_ECDSA_SIGN 64
327 
328 /*
329  * Message, alert and handshake types
330  */
331 #define MBEDTLS_SSL_MSG_CHANGE_CIPHER_SPEC 20
332 #define MBEDTLS_SSL_MSG_ALERT 21
333 #define MBEDTLS_SSL_MSG_HANDSHAKE 22
334 #define MBEDTLS_SSL_MSG_APPLICATION_DATA 23
335 #define MBEDTLS_SSL_MSG_CID 25
336 
337 #define MBEDTLS_SSL_ALERT_LEVEL_WARNING 1
338 #define MBEDTLS_SSL_ALERT_LEVEL_FATAL 2
339 
340 #define MBEDTLS_SSL_ALERT_MSG_CLOSE_NOTIFY 0 /* 0x00 */
341 #define MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE 10 /* 0x0A */
342 #define MBEDTLS_SSL_ALERT_MSG_BAD_RECORD_MAC 20 /* 0x14 */
343 #define MBEDTLS_SSL_ALERT_MSG_DECRYPTION_FAILED 21 /* 0x15 */
344 #define MBEDTLS_SSL_ALERT_MSG_RECORD_OVERFLOW 22 /* 0x16 */
345 #define MBEDTLS_SSL_ALERT_MSG_DECOMPRESSION_FAILURE 30 /* 0x1E */
346 #define MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE 40 /* 0x28 */
347 #define MBEDTLS_SSL_ALERT_MSG_NO_CERT 41 /* 0x29 */
348 #define MBEDTLS_SSL_ALERT_MSG_BAD_CERT 42 /* 0x2A */
349 #define MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_CERT 43 /* 0x2B */
350 #define MBEDTLS_SSL_ALERT_MSG_CERT_REVOKED 44 /* 0x2C */
351 #define MBEDTLS_SSL_ALERT_MSG_CERT_EXPIRED 45 /* 0x2D */
352 #define MBEDTLS_SSL_ALERT_MSG_CERT_UNKNOWN 46 /* 0x2E */
353 #define MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER 47 /* 0x2F */
354 #define MBEDTLS_SSL_ALERT_MSG_UNKNOWN_CA 48 /* 0x30 */
355 #define MBEDTLS_SSL_ALERT_MSG_ACCESS_DENIED 49 /* 0x31 */
356 #define MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR 50 /* 0x32 */
357 #define MBEDTLS_SSL_ALERT_MSG_DECRYPT_ERROR 51 /* 0x33 */
358 #define MBEDTLS_SSL_ALERT_MSG_EXPORT_RESTRICTION 60 /* 0x3C */
359 #define MBEDTLS_SSL_ALERT_MSG_PROTOCOL_VERSION 70 /* 0x46 */
360 #define MBEDTLS_SSL_ALERT_MSG_INSUFFICIENT_SECURITY 71 /* 0x47 */
361 #define MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR 80 /* 0x50 */
362 #define MBEDTLS_SSL_ALERT_MSG_INAPROPRIATE_FALLBACK 86 /* 0x56 */
363 #define MBEDTLS_SSL_ALERT_MSG_USER_CANCELED 90 /* 0x5A */
364 #define MBEDTLS_SSL_ALERT_MSG_NO_RENEGOTIATION 100 /* 0x64 */
365 #define MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT 110 /* 0x6E */
366 #define MBEDTLS_SSL_ALERT_MSG_UNRECOGNIZED_NAME 112 /* 0x70 */
367 #define MBEDTLS_SSL_ALERT_MSG_UNKNOWN_PSK_IDENTITY 115 /* 0x73 */
368 #define MBEDTLS_SSL_ALERT_MSG_NO_APPLICATION_PROTOCOL 120 /* 0x78 */
369 
370 #define MBEDTLS_SSL_HS_HELLO_REQUEST 0
371 #define MBEDTLS_SSL_HS_CLIENT_HELLO 1
372 #define MBEDTLS_SSL_HS_SERVER_HELLO 2
373 #define MBEDTLS_SSL_HS_HELLO_VERIFY_REQUEST 3
374 #define MBEDTLS_SSL_HS_NEW_SESSION_TICKET 4
375 #define MBEDTLS_SSL_HS_CERTIFICATE 11
376 #define MBEDTLS_SSL_HS_SERVER_KEY_EXCHANGE 12
377 #define MBEDTLS_SSL_HS_CERTIFICATE_REQUEST 13
378 #define MBEDTLS_SSL_HS_SERVER_HELLO_DONE 14
379 #define MBEDTLS_SSL_HS_CERTIFICATE_VERIFY 15
380 #define MBEDTLS_SSL_HS_CLIENT_KEY_EXCHANGE 16
381 #define MBEDTLS_SSL_HS_FINISHED 20
382 
383 /*
384  * TLS extensions
385  */
386 #define MBEDTLS_TLS_EXT_SERVERNAME 0
387 #define MBEDTLS_TLS_EXT_SERVERNAME_HOSTNAME 0
388 
389 #define MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH 1
390 
391 #define MBEDTLS_TLS_EXT_TRUNCATED_HMAC 4
392 
393 #define MBEDTLS_TLS_EXT_SUPPORTED_ELLIPTIC_CURVES 10
394 #define MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS 11
395 
396 #define MBEDTLS_TLS_EXT_SIG_ALG 13
397 
398 #define MBEDTLS_TLS_EXT_ALPN 16
399 
400 #define MBEDTLS_TLS_EXT_ENCRYPT_THEN_MAC 22 /* 0x16 */
401 #define MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET 0x0017 /* 23 */
402 
403 #define MBEDTLS_TLS_EXT_SESSION_TICKET 35
404 
405 /* The value of the CID extension is still TBD as of
406  * draft-ietf-tls-dtls-connection-id-05
407  * (https://tools.ietf.org/html/draft-ietf-tls-dtls-connection-id-05) */
408 #define MBEDTLS_TLS_EXT_CID 254 /* TBD */
409 
410 #define MBEDTLS_TLS_EXT_ECJPAKE_KKPP 256 /* experimental */
411 
412 #define MBEDTLS_TLS_EXT_RENEGOTIATION_INFO 0xFF01
413 
414 /*
415  * Size defines
416  */
417 #if !defined(MBEDTLS_PSK_MAX_LEN)
418 #define MBEDTLS_PSK_MAX_LEN 32 /* 256 bits */
419 #endif
420 
421 /* Dummy type used only for its size */
423 {
424 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)
425  unsigned char _pms_rsa[48]; /* RFC 5246 8.1.1 */
426 #endif
427 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)
428  unsigned char _pms_dhm[MBEDTLS_MPI_MAX_SIZE]; /* RFC 5246 8.1.2 */
429 #endif
430 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) || \
431  defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) || \
432  defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) || \
433  defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
434  unsigned char _pms_ecdh[MBEDTLS_ECP_MAX_BYTES]; /* RFC 4492 5.10 */
435 #endif
436 #if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)
437  unsigned char _pms_psk[4 + 2 * MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 2 */
438 #endif
439 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
441  + MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 3 */
442 #endif
443 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED)
444  unsigned char _pms_rsa_psk[52 + MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 4 */
445 #endif
446 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
448  + MBEDTLS_PSK_MAX_LEN]; /* RFC 5489 2 */
449 #endif
450 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
451  unsigned char _pms_ecjpake[32]; /* Thread spec: SHA-256 output */
452 #endif
453 };
454 
455 #define MBEDTLS_PREMASTER_SIZE sizeof( union mbedtls_ssl_premaster_secret )
456 
457 #ifdef __cplusplus
458 extern "C" {
459 #endif
460 
461 /*
462  * SSL state machine
463  */
464 typedef enum
465 {
485 }
487 
488 /*
489  * The tls_prf function types.
490  */
491 typedef enum
492 {
498 }
517 typedef int mbedtls_ssl_send_t( void *ctx,
518  const unsigned char *buf,
519  size_t len );
520 
540 typedef int mbedtls_ssl_recv_t( void *ctx,
541  unsigned char *buf,
542  size_t len );
543 
566 typedef int mbedtls_ssl_recv_timeout_t( void *ctx,
567  unsigned char *buf,
568  size_t len,
569  uint32_t timeout );
592 typedef void mbedtls_ssl_set_timer_t( void * ctx,
593  uint32_t int_ms,
594  uint32_t fin_ms );
595 
607 typedef int mbedtls_ssl_get_timer_t( void * ctx );
608 
609 /* Defined below */
613 
614 /* Defined in ssl_internal.h */
618 #if defined(MBEDTLS_X509_CRT_PARSE_C)
620 #endif
621 #if defined(MBEDTLS_SSL_PROTO_DTLS)
623 #endif
624 
625 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
626 #if defined(MBEDTLS_X509_CRT_PARSE_C)
627 
698 typedef int mbedtls_ssl_async_sign_t( mbedtls_ssl_context *ssl,
699  mbedtls_x509_crt *cert,
700  mbedtls_md_type_t md_alg,
701  const unsigned char *hash,
702  size_t hash_len );
703 
764 typedef int mbedtls_ssl_async_decrypt_t( mbedtls_ssl_context *ssl,
765  mbedtls_x509_crt *cert,
766  const unsigned char *input,
767  size_t input_len );
768 #endif /* MBEDTLS_X509_CRT_PARSE_C */
769 
812 typedef int mbedtls_ssl_async_resume_t( mbedtls_ssl_context *ssl,
813  unsigned char *output,
814  size_t *output_len,
815  size_t output_size );
816 
834 typedef void mbedtls_ssl_async_cancel_t( mbedtls_ssl_context *ssl );
835 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
836 
837 #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED) && \
838  !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
839 #define MBEDTLS_SSL_PEER_CERT_DIGEST_MAX_LEN 48
840 #if defined(MBEDTLS_SHA256_C)
841 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_TYPE MBEDTLS_MD_SHA256
842 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_LEN 32
843 #elif defined(MBEDTLS_SHA512_C)
844 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_TYPE MBEDTLS_MD_SHA384
845 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_LEN 48
846 #elif defined(MBEDTLS_SHA1_C)
847 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_TYPE MBEDTLS_MD_SHA1
848 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_LEN 20
849 #else
850 /* This is already checked in check_config.h, but be sure. */
851 #error "Bad configuration - need SHA-1, SHA-256 or SHA-512 enabled to compute digest of peer CRT."
852 #endif
853 #endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED &&
854  !MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
855 
856 /*
857  * This structure is used for storing current session data.
858  *
859  * Note: when changing this definition, we need to check and update:
860  * - in tests/suites/test_suite_ssl.function:
861  * ssl_populate_session() and ssl_serialize_session_save_load()
862  * - in library/ssl_tls.c:
863  * mbedtls_ssl_session_init() and mbedtls_ssl_session_free()
864  * mbedtls_ssl_session_save() and ssl_session_load()
865  * ssl_session_copy()
866  */
868 {
869 #if defined(MBEDTLS_HAVE_TIME)
871 #endif
874  size_t id_len;
875  unsigned char id[32];
876  unsigned char master[48];
878 #if defined(MBEDTLS_X509_CRT_PARSE_C)
879 #if defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
881 #else /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
882 
884  unsigned char *peer_cert_digest;
885  size_t peer_cert_digest_len;
886  mbedtls_md_type_t peer_cert_digest_type;
887 #endif /* !MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
888 #endif /* MBEDTLS_X509_CRT_PARSE_C */
889  uint32_t verify_result;
891 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C)
892  unsigned char *ticket;
893  size_t ticket_len;
894  uint32_t ticket_lifetime;
895 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_CLI_C */
896 
897 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
898  unsigned char mfl_code;
899 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
900 
901 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
903 #endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
904 
905 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
907 #endif
908 };
909 
914 {
915  /* Group items by size (largest first) to minimize padding overhead */
916 
917  /*
918  * Pointers
919  */
920 
921  const int *ciphersuite_list[4];
924  void (*f_dbg)(void *, int, const char *, int, const char *);
925  void *p_dbg;
928  int (*f_rng)(void *, unsigned char *, size_t);
929  void *p_rng;
932  int (*f_get_cache)(void *, mbedtls_ssl_session *);
934  int (*f_set_cache)(void *, const mbedtls_ssl_session *);
935  void *p_cache;
937 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
938 
939  int (*f_sni)(void *, mbedtls_ssl_context *, const unsigned char *, size_t);
940  void *p_sni;
941 #endif
942 
943 #if defined(MBEDTLS_X509_CRT_PARSE_C)
944 
945  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *);
946  void *p_vrfy;
947 #endif
948 
949 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
950 
951  int (*f_psk)(void *, mbedtls_ssl_context *, const unsigned char *, size_t);
952  void *p_psk;
953 #endif
954 
955 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
956 
957  int (*f_cookie_write)( void *, unsigned char **, unsigned char *,
958  const unsigned char *, size_t );
960  int (*f_cookie_check)( void *, const unsigned char *, size_t,
961  const unsigned char *, size_t );
962  void *p_cookie;
963 #endif
964 
965 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_SRV_C)
966 
967  int (*f_ticket_write)( void *, const mbedtls_ssl_session *,
968  unsigned char *, const unsigned char *, size_t *, uint32_t * );
970  int (*f_ticket_parse)( void *, mbedtls_ssl_session *, unsigned char *, size_t);
971  void *p_ticket;
972 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_SRV_C */
973 
974 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
975 
976  int (*f_export_keys)( void *, const unsigned char *,
977  const unsigned char *, size_t, size_t, size_t );
980  int (*f_export_keys_ext)( void *, const unsigned char *,
981  const unsigned char *, size_t, size_t, size_t,
982  const unsigned char[32], const unsigned char[32],
985 #endif
986 
987 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
988  size_t cid_len;
989 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
990 
991 #if defined(MBEDTLS_X509_CRT_PARSE_C)
996 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
997  mbedtls_x509_crt_ca_cb_t f_ca_cb;
998  void *p_ca_cb;
999 #endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
1000 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1001 
1002 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
1003 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1004  mbedtls_ssl_async_sign_t *f_async_sign_start;
1005  mbedtls_ssl_async_decrypt_t *f_async_decrypt_start;
1006 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1007  mbedtls_ssl_async_resume_t *f_async_resume;
1008  mbedtls_ssl_async_cancel_t *f_async_cancel;
1009  void *p_async_config_data;
1010 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
1011 
1012 #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
1013  const int *sig_hashes;
1014 #endif
1015 
1016 #if defined(MBEDTLS_ECP_C)
1018 #endif
1019 
1020 #if defined(MBEDTLS_DHM_C)
1023 #endif
1024 
1025 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
1026 
1027 #if defined(MBEDTLS_USE_PSA_CRYPTO)
1028  psa_key_handle_t psk_opaque;
1033 #endif /* MBEDTLS_USE_PSA_CRYPTO */
1034 
1035  unsigned char *psk;
1039  size_t psk_len;
1045  unsigned char *psk_identity;
1056 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
1057 
1058 #if defined(MBEDTLS_SSL_ALPN)
1059  const char **alpn_list;
1060 #endif
1061 
1062  /*
1063  * Numerical settings (int then char)
1064  */
1065 
1066  uint32_t read_timeout;
1068 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1069  uint32_t hs_timeout_min;
1071  uint32_t hs_timeout_max;
1073 #endif
1074 
1075 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1077  unsigned char renego_period[8];
1079 #endif
1080 
1081 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
1082  unsigned int badmac_limit;
1083 #endif
1084 
1085 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_CLI_C)
1086  unsigned int dhm_min_bitlen;
1087 #endif
1088 
1089  unsigned char max_major_ver;
1090  unsigned char max_minor_ver;
1091  unsigned char min_major_ver;
1092  unsigned char min_minor_ver;
1094  /*
1095  * Flags (bitfields)
1096  */
1097 
1098  unsigned int endpoint : 1;
1099  unsigned int transport : 1;
1100  unsigned int authmode : 2;
1101  /* needed even with renego disabled for LEGACY_BREAK_HANDSHAKE */
1102  unsigned int allow_legacy_renegotiation : 2 ;
1103 #if defined(MBEDTLS_ARC4_C)
1104  unsigned int arc4_disabled : 1;
1105 #endif
1106 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
1107  unsigned int mfl_code : 3;
1108 #endif
1109 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
1110  unsigned int encrypt_then_mac : 1 ;
1111 #endif
1112 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
1113  unsigned int extended_ms : 1;
1114 #endif
1115 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
1116  unsigned int anti_replay : 1;
1117 #endif
1118 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
1119  unsigned int cbc_record_splitting : 1;
1120 #endif
1121 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1122  unsigned int disable_renegotiation : 1;
1123 #endif
1124 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
1125  unsigned int trunc_hmac : 1;
1126 #endif
1127 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
1128  unsigned int session_tickets : 1;
1129 #endif
1130 #if defined(MBEDTLS_SSL_FALLBACK_SCSV) && defined(MBEDTLS_SSL_CLI_C)
1131  unsigned int fallback : 1;
1132 #endif
1133 #if defined(MBEDTLS_SSL_SRV_C)
1134  unsigned int cert_req_ca_list : 1;
1136 #endif
1137 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1138  unsigned int ignore_unexpected_cid : 1;
1141 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1142 };
1143 
1144 
1146 {
1149  /*
1150  * Miscellaneous
1151  */
1152  int state;
1153 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1158 #endif /* MBEDTLS_SSL_RENEGOTIATION */
1159 
1163 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
1164  unsigned badmac_seen;
1165 #endif /* MBEDTLS_SSL_DTLS_BADMAC_LIMIT */
1166 
1167 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1168 
1169  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *);
1170  void *p_vrfy;
1171 #endif
1172 
1178  void *p_bio;
1180  /*
1181  * Session layer
1182  */
1191  /*
1192  * Record layer transformations
1193  */
1199  /*
1200  * Timers
1201  */
1202  void *p_timer;
1207  /*
1208  * Record layer (incoming data)
1209  */
1210  unsigned char *in_buf;
1211  unsigned char *in_ctr;
1214  unsigned char *in_hdr;
1215 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1216  unsigned char *in_cid;
1218 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1219  unsigned char *in_len;
1220  unsigned char *in_iv;
1221  unsigned char *in_msg;
1222  unsigned char *in_offt;
1225  size_t in_msglen;
1226  size_t in_left;
1227 #if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
1228  size_t in_buf_len;
1229 #endif
1230 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1231  uint16_t in_epoch;
1234 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1235 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
1236  uint64_t in_window_top;
1237  uint64_t in_window;
1238 #endif /* MBEDTLS_SSL_DTLS_ANTI_REPLAY */
1239 
1240  size_t in_hslen;
1242  int nb_zero;
1247 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1250 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1251 
1252  /*
1253  * Record layer (outgoing data)
1254  */
1255  unsigned char *out_buf;
1256  unsigned char *out_ctr;
1257  unsigned char *out_hdr;
1258 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1259  unsigned char *out_cid;
1261 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1262  unsigned char *out_len;
1263  unsigned char *out_iv;
1264  unsigned char *out_msg;
1267  size_t out_msglen;
1268  size_t out_left;
1269 #if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
1270  size_t out_buf_len;
1271 #endif
1272 
1273  unsigned char cur_out_ctr[8];
1275 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1276  uint16_t mtu;
1277 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1278 
1279 #if defined(MBEDTLS_ZLIB_SUPPORT)
1280  unsigned char *compress_buf;
1281 #endif /* MBEDTLS_ZLIB_SUPPORT */
1282 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
1283  signed char split_done;
1284 #endif /* MBEDTLS_SSL_CBC_RECORD_SPLITTING */
1285 
1286  /*
1287  * PKI layer
1288  */
1291  /*
1292  * User settings
1293  */
1294 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1295  char *hostname;
1297 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1298 
1299 #if defined(MBEDTLS_SSL_ALPN)
1300  const char *alpn_chosen;
1301 #endif /* MBEDTLS_SSL_ALPN */
1302 
1303  /*
1304  * Information for DTLS hello verify
1305  */
1306 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
1307  unsigned char *cli_id;
1308  size_t cli_id_len;
1309 #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY && MBEDTLS_SSL_SRV_C */
1310 
1311  /*
1312  * Secure renegotiation
1313  */
1314  /* needed to know when to send extension on server */
1317 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1321 #endif /* MBEDTLS_SSL_RENEGOTIATION */
1322 
1323 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1324  /* CID configuration to use in subsequent handshakes. */
1325 
1330  unsigned char own_cid[ MBEDTLS_SSL_CID_IN_LEN_MAX ];
1331  uint8_t own_cid_len;
1332  uint8_t negotiate_cid;
1336 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1337 };
1338 
1339 #if defined(MBEDTLS_SSL_HW_RECORD_ACCEL)
1340 
1341 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
1342 
1343 #define MBEDTLS_SSL_CHANNEL_OUTBOUND MBEDTLS_DEPRECATED_NUMERIC_CONSTANT( 0 )
1344 #define MBEDTLS_SSL_CHANNEL_INBOUND MBEDTLS_DEPRECATED_NUMERIC_CONSTANT( 1 )
1345 
1346 #if defined(MBEDTLS_DEPRECATED_WARNING)
1347 #define MBEDTLS_DEPRECATED __attribute__((deprecated))
1348 #else
1349 #define MBEDTLS_DEPRECATED
1350 #endif /* MBEDTLS_DEPRECATED_WARNING */
1351 
1352 MBEDTLS_DEPRECATED extern int (*mbedtls_ssl_hw_record_init)(
1353  mbedtls_ssl_context *ssl,
1354  const unsigned char *key_enc, const unsigned char *key_dec,
1355  size_t keylen,
1356  const unsigned char *iv_enc, const unsigned char *iv_dec,
1357  size_t ivlen,
1358  const unsigned char *mac_enc, const unsigned char *mac_dec,
1359  size_t maclen);
1360 MBEDTLS_DEPRECATED extern int (*mbedtls_ssl_hw_record_activate)(
1361  mbedtls_ssl_context *ssl,
1362  int direction );
1363 MBEDTLS_DEPRECATED extern int (*mbedtls_ssl_hw_record_reset)(
1364  mbedtls_ssl_context *ssl );
1365 MBEDTLS_DEPRECATED extern int (*mbedtls_ssl_hw_record_write)(
1366  mbedtls_ssl_context *ssl );
1367 MBEDTLS_DEPRECATED extern int (*mbedtls_ssl_hw_record_read)(
1368  mbedtls_ssl_context *ssl );
1369 MBEDTLS_DEPRECATED extern int (*mbedtls_ssl_hw_record_finish)(
1370  mbedtls_ssl_context *ssl );
1371 
1372 #undef MBEDTLS_DEPRECATED
1373 #endif /* !MBEDTLS_DEPRECATED_REMOVED */
1374 
1375 #endif /* MBEDTLS_SSL_HW_RECORD_ACCEL */
1376 
1385 const char *mbedtls_ssl_get_ciphersuite_name( const int ciphersuite_id );
1386 
1395 int mbedtls_ssl_get_ciphersuite_id( const char *ciphersuite_name );
1396 
1405 
1427  const mbedtls_ssl_config *conf );
1428 
1440 
1447 void mbedtls_ssl_conf_endpoint( mbedtls_ssl_config *conf, int endpoint );
1448 
1463 void mbedtls_ssl_conf_transport( mbedtls_ssl_config *conf, int transport );
1464 
1491 void mbedtls_ssl_conf_authmode( mbedtls_ssl_config *conf, int authmode );
1492 
1493 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1494 
1510  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
1511  void *p_vrfy );
1512 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1513 
1522  int (*f_rng)(void *, unsigned char *, size_t),
1523  void *p_rng );
1524 
1540  void (*f_dbg)(void *, int, const char *, int, const char *),
1541  void *p_dbg );
1542 
1574  void *p_bio,
1575  mbedtls_ssl_send_t *f_send,
1576  mbedtls_ssl_recv_t *f_recv,
1577  mbedtls_ssl_recv_timeout_t *f_recv_timeout );
1578 
1579 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1580 
1581 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1582 
1583 
1667 int mbedtls_ssl_set_cid( mbedtls_ssl_context *ssl,
1668  int enable,
1669  unsigned char const *own_cid,
1670  size_t own_cid_len );
1671 
1709 int mbedtls_ssl_get_peer_cid( mbedtls_ssl_context *ssl,
1710  int *enabled,
1711  unsigned char peer_cid[ MBEDTLS_SSL_CID_OUT_LEN_MAX ],
1712  size_t *peer_cid_len );
1713 
1714 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1715 
1758 void mbedtls_ssl_set_mtu( mbedtls_ssl_context *ssl, uint16_t mtu );
1759 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1760 
1761 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1762 
1781  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
1782  void *p_vrfy );
1783 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1784 
1801 void mbedtls_ssl_conf_read_timeout( mbedtls_ssl_config *conf, uint32_t timeout );
1802 
1803 #if defined(MBEDTLS_SSL_RECORD_CHECKING)
1804 
1849  unsigned char *buf,
1850  size_t buflen );
1851 #endif /* MBEDTLS_SSL_RECORD_CHECKING */
1852 
1874  void *p_timer,
1875  mbedtls_ssl_set_timer_t *f_set_timer,
1876  mbedtls_ssl_get_timer_t *f_get_timer );
1877 
1897 typedef int mbedtls_ssl_ticket_write_t( void *p_ticket,
1898  const mbedtls_ssl_session *session,
1899  unsigned char *start,
1900  const unsigned char *end,
1901  size_t *tlen,
1902  uint32_t *lifetime );
1903 
1904 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
1905 
1925 typedef int mbedtls_ssl_export_keys_t( void *p_expkey,
1926  const unsigned char *ms,
1927  const unsigned char *kb,
1928  size_t maclen,
1929  size_t keylen,
1930  size_t ivlen );
1931 
1957 typedef int mbedtls_ssl_export_keys_ext_t( void *p_expkey,
1958  const unsigned char *ms,
1959  const unsigned char *kb,
1960  size_t maclen,
1961  size_t keylen,
1962  size_t ivlen,
1963  const unsigned char client_random[32],
1964  const unsigned char server_random[32],
1965  mbedtls_tls_prf_types tls_prf_type );
1966 #endif /* MBEDTLS_SSL_EXPORT_KEYS */
1967 
1991 typedef int mbedtls_ssl_ticket_parse_t( void *p_ticket,
1992  mbedtls_ssl_session *session,
1993  unsigned char *buf,
1994  size_t len );
1995 
1996 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_SRV_C)
1997 
2012  mbedtls_ssl_ticket_write_t *f_ticket_write,
2013  mbedtls_ssl_ticket_parse_t *f_ticket_parse,
2014  void *p_ticket );
2015 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_SRV_C */
2016 
2017 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
2018 
2029  mbedtls_ssl_export_keys_t *f_export_keys,
2030  void *p_export_keys );
2031 
2043  mbedtls_ssl_export_keys_ext_t *f_export_keys_ext,
2044  void *p_export_keys );
2045 #endif /* MBEDTLS_SSL_EXPORT_KEYS */
2046 
2047 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
2048 
2078 void mbedtls_ssl_conf_async_private_cb( mbedtls_ssl_config *conf,
2079  mbedtls_ssl_async_sign_t *f_async_sign,
2080  mbedtls_ssl_async_decrypt_t *f_async_decrypt,
2081  mbedtls_ssl_async_resume_t *f_async_resume,
2082  mbedtls_ssl_async_cancel_t *f_async_cancel,
2083  void *config_data );
2084 
2093 void *mbedtls_ssl_conf_get_async_config_data( const mbedtls_ssl_config *conf );
2094 
2109 void *mbedtls_ssl_get_async_operation_data( const mbedtls_ssl_context *ssl );
2110 
2122 void mbedtls_ssl_set_async_operation_data( mbedtls_ssl_context *ssl,
2123  void *ctx );
2124 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
2125 
2140 typedef int mbedtls_ssl_cookie_write_t( void *ctx,
2141  unsigned char **p, unsigned char *end,
2142  const unsigned char *info, size_t ilen );
2143 
2157 typedef int mbedtls_ssl_cookie_check_t( void *ctx,
2158  const unsigned char *cookie, size_t clen,
2159  const unsigned char *info, size_t ilen );
2160 
2161 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
2162 
2191  mbedtls_ssl_cookie_write_t *f_cookie_write,
2192  mbedtls_ssl_cookie_check_t *f_cookie_check,
2193  void *p_cookie );
2194 
2215  const unsigned char *info,
2216  size_t ilen );
2217 
2218 #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY && MBEDTLS_SSL_SRV_C */
2219 
2220 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
2221 
2237 #endif /* MBEDTLS_SSL_DTLS_ANTI_REPLAY */
2238 
2239 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
2240 
2264 #endif /* MBEDTLS_SSL_DTLS_BADMAC_LIMIT */
2265 
2266 #if defined(MBEDTLS_SSL_PROTO_DTLS)
2267 
2297  unsigned allow_packing );
2298 
2330 void mbedtls_ssl_conf_handshake_timeout( mbedtls_ssl_config *conf, uint32_t min, uint32_t max );
2331 #endif /* MBEDTLS_SSL_PROTO_DTLS */
2332 
2333 #if defined(MBEDTLS_SSL_SRV_C)
2334 
2372  void *p_cache,
2373  int (*f_get_cache)(void *, mbedtls_ssl_session *),
2374  int (*f_set_cache)(void *, const mbedtls_ssl_session *) );
2375 #endif /* MBEDTLS_SSL_SRV_C */
2376 
2377 #if defined(MBEDTLS_SSL_CLI_C)
2378 
2393 #endif /* MBEDTLS_SSL_CLI_C */
2394 
2428  const unsigned char *buf,
2429  size_t len );
2430 
2458  unsigned char *buf,
2459  size_t buf_len,
2460  size_t *olen );
2461 
2478 
2495  const int *ciphersuites );
2496 
2497 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
2498 #define MBEDTLS_SSL_UNEXPECTED_CID_IGNORE 0
2499 #define MBEDTLS_SSL_UNEXPECTED_CID_FAIL 1
2500 
2532 int mbedtls_ssl_conf_cid( mbedtls_ssl_config *conf, size_t len,
2533  int ignore_other_cids );
2534 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
2535 
2556  const int *ciphersuites,
2557  int major, int minor );
2558 
2559 #if defined(MBEDTLS_X509_CRT_PARSE_C)
2560 
2571  const mbedtls_x509_crt_profile *profile );
2572 
2585  mbedtls_x509_crt *ca_chain,
2586  mbedtls_x509_crl *ca_crl );
2587 
2588 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
2589 
2640 void mbedtls_ssl_conf_ca_cb( mbedtls_ssl_config *conf,
2641  mbedtls_x509_crt_ca_cb_t f_ca_cb,
2642  void *p_ca_cb );
2643 #endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
2644 
2682  mbedtls_x509_crt *own_cert,
2683  mbedtls_pk_context *pk_key );
2684 #endif /* MBEDTLS_X509_CRT_PARSE_C */
2685 
2686 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
2687 
2719  const unsigned char *psk, size_t psk_len,
2720  const unsigned char *psk_identity, size_t psk_identity_len );
2721 
2722 #if defined(MBEDTLS_USE_PSA_CRYPTO)
2723 
2759 int mbedtls_ssl_conf_psk_opaque( mbedtls_ssl_config *conf,
2760  psa_key_handle_t psk,
2761  const unsigned char *psk_identity,
2762  size_t psk_identity_len );
2763 #endif /* MBEDTLS_USE_PSA_CRYPTO */
2764 
2782  const unsigned char *psk, size_t psk_len );
2783 
2784 #if defined(MBEDTLS_USE_PSA_CRYPTO)
2785 
2805 int mbedtls_ssl_set_hs_psk_opaque( mbedtls_ssl_context *ssl,
2806  psa_key_handle_t psk );
2807 #endif /* MBEDTLS_USE_PSA_CRYPTO */
2808 
2848  int (*f_psk)(void *, mbedtls_ssl_context *, const unsigned char *,
2849  size_t),
2850  void *p_psk );
2851 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
2852 
2853 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_SRV_C)
2854 
2855 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
2856 
2857 #if defined(MBEDTLS_DEPRECATED_WARNING)
2858 #define MBEDTLS_DEPRECATED __attribute__((deprecated))
2859 #else
2860 #define MBEDTLS_DEPRECATED
2861 #endif
2862 
2877  const char *dhm_P,
2878  const char *dhm_G );
2879 
2880 #endif /* MBEDTLS_DEPRECATED_REMOVED */
2881 
2896  const unsigned char *dhm_P, size_t P_len,
2897  const unsigned char *dhm_G, size_t G_len );
2898 
2909 #endif /* MBEDTLS_DHM_C && defined(MBEDTLS_SSL_SRV_C) */
2910 
2911 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_CLI_C)
2912 
2921  unsigned int bitlen );
2922 #endif /* MBEDTLS_DHM_C && MBEDTLS_SSL_CLI_C */
2923 
2924 #if defined(MBEDTLS_ECP_C)
2925 
2953  const mbedtls_ecp_group_id *curves );
2954 #endif /* MBEDTLS_ECP_C */
2955 
2956 #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
2957 
2976  const int *hashes );
2977 #endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */
2978 
2979 #if defined(MBEDTLS_X509_CRT_PARSE_C)
2980 
2998 int mbedtls_ssl_set_hostname( mbedtls_ssl_context *ssl, const char *hostname );
2999 #endif /* MBEDTLS_X509_CRT_PARSE_C */
3000 
3001 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
3002 
3015  mbedtls_x509_crt *own_cert,
3016  mbedtls_pk_context *pk_key );
3017 
3030  mbedtls_x509_crt *ca_chain,
3031  mbedtls_x509_crl *ca_crl );
3032 
3044  int authmode );
3045 
3070  int (*f_sni)(void *, mbedtls_ssl_context *, const unsigned char *,
3071  size_t),
3072  void *p_sni );
3073 #endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */
3074 
3075 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
3076 
3093 int mbedtls_ssl_set_hs_ecjpake_password( mbedtls_ssl_context *ssl,
3094  const unsigned char *pw,
3095  size_t pw_len );
3096 #endif /*MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
3097 
3098 #if defined(MBEDTLS_SSL_ALPN)
3099 
3111 int mbedtls_ssl_conf_alpn_protocols( mbedtls_ssl_config *conf, const char **protos );
3112 
3123 #endif /* MBEDTLS_SSL_ALPN */
3124 
3141 void mbedtls_ssl_conf_max_version( mbedtls_ssl_config *conf, int major, int minor );
3142 
3161 void mbedtls_ssl_conf_min_version( mbedtls_ssl_config *conf, int major, int minor );
3162 
3163 #if defined(MBEDTLS_SSL_FALLBACK_SCSV) && defined(MBEDTLS_SSL_CLI_C)
3164 
3183 void mbedtls_ssl_conf_fallback( mbedtls_ssl_config *conf, char fallback );
3184 #endif /* MBEDTLS_SSL_FALLBACK_SCSV && MBEDTLS_SSL_CLI_C */
3185 
3186 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
3187 
3199 #endif /* MBEDTLS_SSL_ENCRYPT_THEN_MAC */
3200 
3201 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
3202 
3214 #endif /* MBEDTLS_SSL_EXTENDED_MASTER_SECRET */
3215 
3216 #if defined(MBEDTLS_ARC4_C)
3217 
3233 #endif /* MBEDTLS_ARC4_C */
3234 
3235 #if defined(MBEDTLS_SSL_SRV_C)
3236 
3246  char cert_req_ca_list );
3247 #endif /* MBEDTLS_SSL_SRV_C */
3248 
3249 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
3250 
3284 int mbedtls_ssl_conf_max_frag_len( mbedtls_ssl_config *conf, unsigned char mfl_code );
3285 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
3286 
3287 #if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
3288 
3297 #endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
3298 
3299 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
3300 
3312 #endif /* MBEDTLS_SSL_CBC_RECORD_SPLITTING */
3313 
3314 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C)
3315 
3326 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_CLI_C */
3327 
3328 #if defined(MBEDTLS_SSL_RENEGOTIATION)
3329 
3346 void mbedtls_ssl_conf_renegotiation( mbedtls_ssl_config *conf, int renegotiation );
3347 #endif /* MBEDTLS_SSL_RENEGOTIATION */
3348 
3377 
3378 #if defined(MBEDTLS_SSL_RENEGOTIATION)
3379 
3417 
3444  const unsigned char period[8] );
3445 #endif /* MBEDTLS_SSL_RENEGOTIATION */
3446 
3486 
3503 
3517 
3526 
3535 
3550 
3551 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
3552 
3566 
3582 
3583 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
3584 
3585 #if defined(MBEDTLS_DEPRECATED_WARNING)
3586 #define MBEDTLS_DEPRECATED __attribute__((deprecated))
3587 #else
3588 #define MBEDTLS_DEPRECATED
3589 #endif
3590 
3606  const mbedtls_ssl_context *ssl );
3607 #endif /* MBEDTLS_DEPRECATED_REMOVED */
3608 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
3609 
3638 
3639 #if defined(MBEDTLS_X509_CRT_PARSE_C)
3640 
3671 #endif /* MBEDTLS_X509_CRT_PARSE_C */
3672 
3673 #if defined(MBEDTLS_SSL_CLI_C)
3674 
3701 #endif /* MBEDTLS_SSL_CLI_C */
3702 
3754 
3776 
3777 #if defined(MBEDTLS_SSL_RENEGOTIATION)
3778 
3802 #endif /* MBEDTLS_SSL_RENEGOTIATION */
3803 
3881 int mbedtls_ssl_read( mbedtls_ssl_context *ssl, unsigned char *buf, size_t len );
3882 
3943 int mbedtls_ssl_write( mbedtls_ssl_context *ssl, const unsigned char *buf, size_t len );
3944 
3962  unsigned char level,
3963  unsigned char message );
3978 
3985 
3986 #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
3987 
4036  unsigned char *buf,
4037  size_t buf_len,
4038  size_t *olen );
4039 
4106  const unsigned char *buf,
4107  size_t len );
4108 #endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */
4109 
4121 
4138  int endpoint, int transport, int preset );
4139 
4146 
4153 
4164 
4181  const unsigned char *secret, size_t slen,
4182  const char *label,
4183  const unsigned char *random, size_t rlen,
4184  unsigned char *dstbuf, size_t dlen );
4185 
4186 #ifdef __cplusplus
4187 }
4188 #endif
4189 
4190 #endif /* ssl.h */
mbedtls_ssl_config::dhm_min_bitlen
unsigned int dhm_min_bitlen
Definition: ssl.h:1086
mbedtls_ssl_premaster_secret::_pms_dhm
unsigned char _pms_dhm[MBEDTLS_MPI_MAX_SIZE]
Definition: ssl.h:428
mbedtls_ssl_set_mtu
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...
mbedtls_ssl_context::out_iv
unsigned char * out_iv
Definition: ssl.h:1263
mbedtls_ssl_states
mbedtls_ssl_states
Definition: ssl.h:465
mbedtls_ssl_conf_dh_param_bin
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....
MBEDTLS_SSL_SERVER_HELLO_VERIFY_REQUEST_SENT
@ MBEDTLS_SSL_SERVER_HELLO_VERIFY_REQUEST_SENT
Definition: ssl.h:484
MBEDTLS_SSL_CID_OUT_LEN_MAX
#define MBEDTLS_SSL_CID_OUT_LEN_MAX
Definition: ssl.h:277
MBEDTLS_SSL_FLUSH_BUFFERS
@ MBEDTLS_SSL_FLUSH_BUFFERS
Definition: ssl.h:480
MBEDTLS_SSL_HANDSHAKE_WRAPUP
@ MBEDTLS_SSL_HANDSHAKE_WRAPUP
Definition: ssl.h:481
mbedtls_ssl_context::out_len
unsigned char * out_len
Definition: ssl.h:1262
mbedtls_ssl_key_cert
struct mbedtls_ssl_key_cert mbedtls_ssl_key_cert
Definition: ssl.h:619
mbedtls_ssl_context::state
int state
Definition: ssl.h:1152
mbedtls_ssl_conf_legacy_renegotiation
void mbedtls_ssl_conf_legacy_renegotiation(mbedtls_ssl_config *conf, int allow_legacy)
Prevent or allow legacy renegotiation. (Default: MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION)
mbedtls_ssl_config::p_cache
void * p_cache
Definition: ssl.h:935
mbedtls_ssl_session::ciphersuite
int ciphersuite
Definition: ssl.h:872
mbedtls_ssl_config::p_vrfy
void * p_vrfy
Definition: ssl.h:946
mbedtls_ssl_session::master
unsigned char master[48]
Definition: ssl.h:876
mbedtls_ssl_context_save
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 ...
mbedtls_md_type_t
mbedtls_md_type_t
Supported message digests.
Definition: md.h:58
mbedtls_ssl_get_ciphersuite
const char * mbedtls_ssl_get_ciphersuite(const mbedtls_ssl_context *ssl)
Return the name of the current ciphersuite.
mbedtls_ssl_conf_own_cert
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.
mbedtls_ssl_session::ticket_len
size_t ticket_len
Definition: ssl.h:893
ecp.h
This file provides an API for Elliptic Curves over GF(P) (ECP).
mbedtls_ssl_config::p_psk
void * p_psk
Definition: ssl.h:952
mbedtls_ssl_ticket_write_t
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:1897
mbedtls_x509_crt_ca_cb_t
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:721
mbedtls_ssl_context::f_set_timer
mbedtls_ssl_set_timer_t * f_set_timer
Definition: ssl.h:1204
mbedtls_ssl_context::in_hslen
size_t in_hslen
Definition: ssl.h:1240
MBEDTLS_SSL_SERVER_HELLO
@ MBEDTLS_SSL_SERVER_HELLO
Definition: ssl.h:468
mbedtls_ssl_flight_item
struct mbedtls_ssl_flight_item mbedtls_ssl_flight_item
Definition: ssl.h:622
MBEDTLS_SSL_VERIFY_DATA_MAX_LEN
#define MBEDTLS_SSL_VERIFY_DATA_MAX_LEN
Definition: ssl.h:296
mbedtls_ssl_premaster_secret
Definition: ssl.h:423
mbedtls_ssl_context::next_record_offset
size_t next_record_offset
Definition: ssl.h:1232
mbedtls_ssl_session::trunc_hmac
int trunc_hmac
Definition: ssl.h:902
MBEDTLS_SSL_SERVER_CERTIFICATE
@ MBEDTLS_SSL_SERVER_CERTIFICATE
Definition: ssl.h:469
mbedtls_ssl_config::max_major_ver
unsigned char max_major_ver
Definition: ssl.h:1089
mbedtls_mpi
MPI structure.
Definition: bignum.h:187
x509_crl.h
X.509 certificate revocation list parsing.
mbedtls_ssl_config::read_timeout
uint32_t read_timeout
Definition: ssl.h:1066
mbedtls_ssl_recv_t
int mbedtls_ssl_recv_t(void *ctx, unsigned char *buf, size_t len)
Callback type: receive data from the network.
Definition: ssl.h:540
mbedtls_ssl_context::in_epoch
uint16_t in_epoch
Definition: ssl.h:1231
MBEDTLS_SSL_CLIENT_CERTIFICATE
@ MBEDTLS_SSL_CLIENT_CERTIFICATE
Definition: ssl.h:473
mbedtls_ssl_context::transform
mbedtls_ssl_transform * transform
Definition: ssl.h:1196
mbedtls_ssl_conf_renegotiation_enforced
void mbedtls_ssl_conf_renegotiation_enforced(mbedtls_ssl_config *conf, int max_records)
Enforce renegotiation requests. (Default: enforced, max_records = 16)
mbedtls_ssl_session::compression
int compression
Definition: ssl.h:873
mbedtls_ssl_conf_ciphersuites
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...
mbedtls_ssl_config::cert_profile
const mbedtls_x509_crt_profile * cert_profile
Definition: ssl.h:992
mbedtls_ssl_context::session_out
mbedtls_ssl_session * session_out
Definition: ssl.h:1184
mbedtls_ssl_context::f_send
mbedtls_ssl_send_t * f_send
Definition: ssl.h:1173
mbedtls_ssl_conf_verify
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).
mbedtls_ssl_context::out_left
size_t out_left
Definition: ssl.h:1268
mbedtls_ssl_session
Definition: ssl.h:868
mbedtls_ssl_context::in_msg
unsigned char * in_msg
Definition: ssl.h:1221
mbedtls_ssl_export_keys_ext_t
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:1957
ssl_ciphersuites.h
SSL Ciphersuites for mbed TLS.
mbedtls_ssl_read
int mbedtls_ssl_read(mbedtls_ssl_context *ssl, unsigned char *buf, size_t len)
Read at most 'len' application data bytes.
mbedtls_ssl_get_alpn_protocol
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...
mbedtls_ssl_config::ca_chain
mbedtls_x509_crt * ca_chain
Definition: ssl.h:994
mbedtls_ssl_context::nb_zero
int nb_zero
Definition: ssl.h:1242
mbedtls_ssl_context::split_done
signed char split_done
Definition: ssl.h:1283
mbedtls_ssl_config::p_sni
void * p_sni
Definition: ssl.h:940
MBEDTLS_SSL_SERVER_NEW_SESSION_TICKET
@ MBEDTLS_SSL_SERVER_NEW_SESSION_TICKET
Definition: ssl.h:483
mbedtls_ssl_premaster_secret::_pms_rsa
unsigned char _pms_rsa[48]
Definition: ssl.h:425
mbedtls_ssl_config::max_minor_ver
unsigned char max_minor_ver
Definition: ssl.h:1090
mbedtls_ssl_conf_dtls_anti_replay
void mbedtls_ssl_conf_dtls_anti_replay(mbedtls_ssl_config *conf, char mode)
Enable or disable anti-replay protection for DTLS. (DTLS only, no effect on TLS.) Default: enabled.
mbedtls_ssl_conf_max_version
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...
mbedtls_ssl_config::f_ticket_parse
int(* f_ticket_parse)(void *, mbedtls_ssl_session *, unsigned char *, size_t)
Definition: ssl.h:970
ecdh.h
This file contains ECDH definitions and functions.
mbedtls_ssl_config::psk_len
size_t psk_len
Definition: ssl.h:1039
mbedtls_ssl_conf_cbc_record_splitting
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)
mbedtls_pk_context
Public key container.
Definition: pk.h:188
mbedtls_ssl_context::cli_id_len
size_t cli_id_len
Definition: ssl.h:1308
mbedtls_ssl_free
void mbedtls_ssl_free(mbedtls_ssl_context *ssl)
Free referenced items in an SSL context and clear memory.
MBEDTLS_SSL_HANDSHAKE_OVER
@ MBEDTLS_SSL_HANDSHAKE_OVER
Definition: ssl.h:482
MBEDTLS_SSL_TLS_PRF_NONE
@ MBEDTLS_SSL_TLS_PRF_NONE
Definition: ssl.h:493
MBEDTLS_SSL_SERVER_KEY_EXCHANGE
@ MBEDTLS_SSL_SERVER_KEY_EXCHANGE
Definition: ssl.h:470
mbedtls_ssl_config::badmac_limit
unsigned int badmac_limit
Definition: ssl.h:1082
MBEDTLS_SSL_CERTIFICATE_REQUEST
@ MBEDTLS_SSL_CERTIFICATE_REQUEST
Definition: ssl.h:471
MBEDTLS_SSL_TLS_PRF_SHA384
@ MBEDTLS_SSL_TLS_PRF_SHA384
Definition: ssl.h:496
mbedtls_ssl_config::curve_list
const mbedtls_ecp_group_id * curve_list
Definition: ssl.h:1017
mbedtls_ssl_set_timer_t
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:592
mbedtls_ssl_config::f_vrfy
int(* f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *)
Definition: ssl.h:945
mbedtls_time_t
time_t mbedtls_time_t
Definition: platform_time.h:53
mbedtls_ssl_config::f_rng
int(* f_rng)(void *, unsigned char *, size_t)
Definition: ssl.h:928
mbedtls_dhm_context
The DHM context structure.
Definition: dhm.h:103
mbedtls_ssl_config_free
void mbedtls_ssl_config_free(mbedtls_ssl_config *conf)
Free an SSL configuration context.
mbedtls_ssl_config::session_tickets
unsigned int session_tickets
Definition: ssl.h:1128
mbedtls_ssl_config::dhm_P
mbedtls_mpi dhm_P
Definition: ssl.h:1021
mbedtls_x509_crl
Definition: x509_crl.h:71
MBEDTLS_PSK_MAX_LEN
#define MBEDTLS_PSK_MAX_LEN
Definition: ssl.h:418
MBEDTLS_SSL_SERVER_HELLO_DONE
@ MBEDTLS_SSL_SERVER_HELLO_DONE
Definition: ssl.h:472
mbedtls_ssl_session_init
void mbedtls_ssl_session_init(mbedtls_ssl_session *session)
Initialize SSL session structure.
mbedtls_ssl_set_timer_cb
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.)
mbedtls_ssl_context::alpn_chosen
const char * alpn_chosen
Definition: ssl.h:1300
mbedtls_ssl_context::in_offt
unsigned char * in_offt
Definition: ssl.h:1222
mbedtls_ssl_session_load
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 ...
mbedtls_ssl_session::peer_cert
mbedtls_x509_crt * peer_cert
Definition: ssl.h:880
mbedtls_ssl_handshake
int mbedtls_ssl_handshake(mbedtls_ssl_context *ssl)
Perform the SSL handshake.
mbedtls_ssl_context::transform_out
mbedtls_ssl_transform * transform_out
Definition: ssl.h:1195
mbedtls_ssl_renegotiate
int mbedtls_ssl_renegotiate(mbedtls_ssl_context *ssl)
Initiate an SSL renegotiation on the running connection. Client: perform the renegotiation right now....
mbedtls_ssl_config::f_export_keys_ext
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:980
mbedtls_ssl_config::psk_identity_len
size_t psk_identity_len
Definition: ssl.h:1050
mbedtls_ssl_ticket_parse_t
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:1991
mbedtls_ssl_context::p_bio
void * p_bio
Definition: ssl.h:1178
mbedtls_ssl_send_t
int mbedtls_ssl_send_t(void *ctx, const unsigned char *buf, size_t len)
Callback type: send data on the network.
Definition: ssl.h:517
mbedtls_ssl_conf_truncated_hmac
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_config::p_export_keys
void * p_export_keys
Definition: ssl.h:984
mbedtls_ssl_context::renego_status
int renego_status
Definition: ssl.h:1154
mbedtls_ssl_config::f_get_cache
int(* f_get_cache)(void *, mbedtls_ssl_session *)
Definition: ssl.h:932
mbedtls_ssl_context::mtu
uint16_t mtu
Definition: ssl.h:1276
mbedtls_ssl_context::in_msgtype
int in_msgtype
Definition: ssl.h:1224
mbedtls_ssl_config::hs_timeout_max
uint32_t hs_timeout_max
Definition: ssl.h:1071
mbedtls_ssl_session_reset
int mbedtls_ssl_session_reset(mbedtls_ssl_context *ssl)
Reset an already initialized SSL context for re-use while retaining application-set variables,...
mbedtls_ssl_context::transform_negotiate
mbedtls_ssl_transform * transform_negotiate
Definition: ssl.h:1197
mbedtls_ssl_config::p_dbg
void * p_dbg
Definition: ssl.h:925
mbedtls_ssl_send_alert_message
int mbedtls_ssl_send_alert_message(mbedtls_ssl_context *ssl, unsigned char level, unsigned char message)
Send an alert message.
mbedtls_ssl_context_load
int mbedtls_ssl_context_load(mbedtls_ssl_context *ssl, const unsigned char *buf, size_t len)
Load serialized connection data to an SSL context.
mbedtls_ssl_config_defaults
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....
mbedtls_ssl_context::in_window_top
uint64_t in_window_top
Definition: ssl.h:1236
mbedtls_ssl_tls_prf
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.
mbedtls_ssl_config::min_minor_ver
unsigned char min_minor_ver
Definition: ssl.h:1092
mbedtls_ssl_context::out_msglen
size_t out_msglen
Definition: ssl.h:1267
mbedtls_ssl_config::cert_req_ca_list
unsigned int cert_req_ca_list
Definition: ssl.h:1134
mbedtls_ssl_context::f_get_timer
mbedtls_ssl_get_timer_t * f_get_timer
Definition: ssl.h:1205
mbedtls_ssl_conf_read_timeout
void mbedtls_ssl_conf_read_timeout(mbedtls_ssl_config *conf, uint32_t timeout)
Set the timeout period for mbedtls_ssl_read() (Default: no timeout.)
mbedtls_ssl_session::ticket
unsigned char * ticket
Definition: ssl.h:892
mbedtls_ssl_config::dhm_G
mbedtls_mpi dhm_G
Definition: ssl.h:1022
mbedtls_ssl_context::f_recv
mbedtls_ssl_recv_t * f_recv
Definition: ssl.h:1174
mbedtls_ssl_config::sig_hashes
const int * sig_hashes
Definition: ssl.h:1013
mbedtls_ssl_config::key_cert
mbedtls_ssl_key_cert * key_cert
Definition: ssl.h:993
mbedtls_ssl_conf_renegotiation_period
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)
mbedtls_ssl_context::in_left
size_t in_left
Definition: ssl.h:1226
mbedtls_ssl_config::mfl_code
unsigned int mfl_code
Definition: ssl.h:1107
mbedtls_ssl_premaster_secret::_pms_ecdh
unsigned char _pms_ecdh[MBEDTLS_ECP_MAX_BYTES]
Definition: ssl.h:434
mbedtls_ssl_set_client_transport_id
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.)
mbedtls_ssl_context::major_ver
int major_ver
Definition: ssl.h:1160
mbedtls_ssl_conf_cert_req_ca_list
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)
mbedtls_ssl_context::p_vrfy
void * p_vrfy
Definition: ssl.h:1170
mbedtls_ssl_close_notify
int mbedtls_ssl_close_notify(mbedtls_ssl_context *ssl)
Notify the peer that the connection is being closed.
MBEDTLS_SSL_TLS_PRF_SSL3
@ MBEDTLS_SSL_TLS_PRF_SSL3
Definition: ssl.h:494
mbedtls_ssl_conf_dhm_min_bitlen
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....
mbedtls_ssl_conf_dtls_cookies
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_get_output_max_frag_len
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,...
mbedtls_ssl_conf_renegotiation
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_set_session
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...
mbedtls_ssl_conf_authmode
void mbedtls_ssl_conf_authmode(mbedtls_ssl_config *conf, int authmode)
Set the certificate verification mode Default: NONE on server, REQUIRED on client.
mbedtls_x509_crt
Definition: x509_crt.h:55
mbedtls_ssl_config::trunc_hmac
unsigned int trunc_hmac
Definition: ssl.h:1125
MBEDTLS_SSL_CLIENT_KEY_EXCHANGE
@ MBEDTLS_SSL_CLIENT_KEY_EXCHANGE
Definition: ssl.h:474
bignum.h
Multi-precision integer library.
mbedtls_ssl_config::encrypt_then_mac
unsigned int encrypt_then_mac
Definition: ssl.h:1110
mbedtls_ssl_premaster_secret::_pms_dhe_psk
unsigned char _pms_dhe_psk[4+MBEDTLS_MPI_MAX_SIZE+MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:441
mbedtls_ssl_set_hs_own_cert
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.
mbedtls_ssl_get_session
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...
mbedtls_ssl_conf_transport
void mbedtls_ssl_conf_transport(mbedtls_ssl_config *conf, int transport)
Set the transport type (TLS or DTLS). Default: TLS.
mbedtls_ssl_context::own_verify_data
char own_verify_data[MBEDTLS_SSL_VERIFY_DATA_MAX_LEN]
Definition: ssl.h:1319
mbedtls_ssl_context::p_timer
void * p_timer
Definition: ssl.h:1202
mbedtls_ssl_context
Definition: ssl.h:1146
mbedtls_ssl_conf_max_frag_len
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...
mbedtls_ssl_init
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_conf_sig_hashes
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...
mbedtls_ssl_context::badmac_seen
unsigned badmac_seen
Definition: ssl.h:1164
mbedtls_ssl_context::in_window
uint64_t in_window
Definition: ssl.h:1237
crypto.h
Platform Security Architecture cryptography module.
mbedtls_ecp_group_id
mbedtls_ecp_group_id
Definition: ecp.h:78
mbedtls_ssl_config::anti_replay
unsigned int anti_replay
Definition: ssl.h:1116
dhm.h
This file contains Diffie-Hellman-Merkle (DHM) key exchange definitions and functions.
mbedtls_ssl_conf_dh_param
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_export_keys_t
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:1925
mbedtls_ssl_get_peer_cert
const mbedtls_x509_crt * mbedtls_ssl_get_peer_cert(const mbedtls_ssl_context *ssl)
Return the peer certificate from the current connection.
mbedtls_ssl_conf_sni
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_SERVER_FINISHED
@ MBEDTLS_SSL_SERVER_FINISHED
Definition: ssl.h:479
mbedtls_ssl_set_datagram_packing
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.
mbedtls_ssl_config::psk
unsigned char * psk
Definition: ssl.h:1035
mbedtls_ssl_handshake_step
int mbedtls_ssl_handshake_step(mbedtls_ssl_context *ssl)
Perform a single step of the SSL handshake.
MBEDTLS_SSL_SERVER_CHANGE_CIPHER_SPEC
@ MBEDTLS_SSL_SERVER_CHANGE_CIPHER_SPEC
Definition: ssl.h:478
mbedtls_ssl_config::allow_legacy_renegotiation
unsigned int allow_legacy_renegotiation
Definition: ssl.h:1102
mbedtls_ssl_get_max_out_record_payload
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_ssl_context::session
mbedtls_ssl_session * session
Definition: ssl.h:1185
mbedtls_ssl_config::f_cookie_write
int(* f_cookie_write)(void *, unsigned char **, unsigned char *, const unsigned char *, size_t)
Definition: ssl.h:957
mbedtls_ssl_session::ticket_lifetime
uint32_t ticket_lifetime
Definition: ssl.h:894
mbedtls_ssl_context::cur_out_ctr
unsigned char cur_out_ctr[8]
Definition: ssl.h:1273
mbedtls_ssl_conf_handshake_timeout
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....
mbedtls_ssl_conf_psk_cb
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).
mbedtls_ssl_set_hs_authmode
void mbedtls_ssl_set_hs_authmode(mbedtls_ssl_context *ssl, int authmode)
Set authmode for the current handshake.
mbedtls_ssl_config::disable_renegotiation
unsigned int disable_renegotiation
Definition: ssl.h:1122
mbedtls_ssl_check_record
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....
mbedtls_ssl_config::min_major_ver
unsigned char min_major_ver
Definition: ssl.h:1091
mbedtls_ssl_write
int mbedtls_ssl_write(mbedtls_ssl_context *ssl, const unsigned char *buf, size_t len)
Try to write exactly 'len' application data bytes.
mbedtls_ssl_context::conf
const mbedtls_ssl_config * conf
Definition: ssl.h:1147
mbedtls_ssl_set_verify
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).
mbedtls_ssl_conf_encrypt_then_mac
void mbedtls_ssl_conf_encrypt_then_mac(mbedtls_ssl_config *conf, char etm)
Enable or disable Encrypt-then-MAC (Default: MBEDTLS_SSL_ETM_ENABLED)
mbedtls_ssl_conf_cert_profile
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.
mbedtls_ssl_get_bytes_avail
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.
platform_time.h
mbed TLS Platform time abstraction
mbedtls_ssl_config::hs_timeout_min
uint32_t hs_timeout_min
Definition: ssl.h:1069
mbedtls_ssl_session_free
void mbedtls_ssl_session_free(mbedtls_ssl_session *session)
Free referenced items in an SSL session including the peer certificate and clear memory.
mbedtls_ssl_set_bio
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.
mbedtls_ssl_conf_min_version
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)
mbedtls_ssl_context::f_vrfy
int(* f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *)
Definition: ssl.h:1169
mbedtls_x509_crt_profile
Definition: x509_crt.h:162
mbedtls_ssl_premaster_secret::_pms_psk
unsigned char _pms_psk[4+2 *MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:437
mbedtls_ssl_get_version
const char * mbedtls_ssl_get_version(const mbedtls_ssl_context *ssl)
Return the current SSL version (SSLv3/TLSv1/etc)
mbedtls_ssl_conf_dtls_badmac_limit
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....
mbedtls_ssl_config
Definition: ssl.h:914
mbedtls_ssl_config_init
void mbedtls_ssl_config_init(mbedtls_ssl_config *conf)
Initialize an SSL configuration context Just makes the context ready for mbedtls_ssl_config_defaults(...
mbedtls_ssl_context::in_buf
unsigned char * in_buf
Definition: ssl.h:1210
mbedtls_ssl_conf_fallback
void mbedtls_ssl_conf_fallback(mbedtls_ssl_config *conf, char fallback)
Set the fallback flag (client-side only). (Default: MBEDTLS_SSL_IS_NOT_FALLBACK).
mbedtls_ssl_config::arc4_disabled
unsigned int arc4_disabled
Definition: ssl.h:1104
mbedtls_ssl_context::out_msg
unsigned char * out_msg
Definition: ssl.h:1264
mbedtls_ssl_context::verify_data_len
size_t verify_data_len
Definition: ssl.h:1318
mbedtls_ssl_config::f_set_cache
int(* f_set_cache)(void *, const mbedtls_ssl_session *)
Definition: ssl.h:934
MBEDTLS_SSL_HELLO_REQUEST
@ MBEDTLS_SSL_HELLO_REQUEST
Definition: ssl.h:466
mbedtls_ssl_conf_extended_master_secret
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)
MBEDTLS_SSL_TLS_PRF_TLS1
@ MBEDTLS_SSL_TLS_PRF_TLS1
Definition: ssl.h:495
mbedtls_ssl_session::encrypt_then_mac
int encrypt_then_mac
Definition: ssl.h:906
mbedtls_ssl_context::hostname
char * hostname
Definition: ssl.h:1295
mbedtls_ssl_conf_curves
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.)
mbedtls_ssl_get_input_max_frag_len
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...
mbedtls_ssl_conf_export_keys_ext_cb
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.)
mbedtls_ssl_transform
struct mbedtls_ssl_transform mbedtls_ssl_transform
Definition: ssl.h:615
mbedtls_ssl_config::endpoint
unsigned int endpoint
Definition: ssl.h:1098
mbedtls_ssl_config::p_rng
void * p_rng
Definition: ssl.h:929
mbedtls_ssl_context::out_ctr
unsigned char * out_ctr
Definition: ssl.h:1256
mbedtls_ssl_premaster_secret::_pms_rsa_psk
unsigned char _pms_rsa_psk[52+MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:444
mbedtls_ssl_get_session_pointer
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.
mbedtls_ssl_get_max_frag_len
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...
mbedtls_ssl_config::p_ticket
void * p_ticket
Definition: ssl.h:971
MBEDTLS_SSL_CERTIFICATE_VERIFY
@ MBEDTLS_SSL_CERTIFICATE_VERIFY
Definition: ssl.h:475
mbedtls_ssl_premaster_secret::_pms_ecdhe_psk
unsigned char _pms_ecdhe_psk[4+MBEDTLS_ECP_MAX_BYTES+MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:448
mbedtls_ssl_context::handshake
mbedtls_ssl_handshake_params * handshake
Definition: ssl.h:1188
mbedtls_ssl_conf_session_tickets_cb
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_ssl_config::renego_period
unsigned char renego_period[8]
Definition: ssl.h:1077
mbedtls_ssl_conf_rng
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.
mbedtls_ssl_context::in_ctr
unsigned char * in_ctr
Definition: ssl.h:1211
mbedtls_ssl_session::verify_result
uint32_t verify_result
Definition: ssl.h:889
mbedtls_ssl_config::ciphersuite_list
const int * ciphersuite_list[4]
Definition: ssl.h:921
mbedtls_ssl_conf_ciphersuites_for_version
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_config::fallback
unsigned int fallback
Definition: ssl.h:1131
mbedtls_ssl_context::in_len
unsigned char * in_len
Definition: ssl.h:1219
mbedtls_ssl_config::f_export_keys
int(* f_export_keys)(void *, const unsigned char *, const unsigned char *, size_t, size_t, size_t)
Definition: ssl.h:976
mbedtls_ssl_get_ciphersuite_id
int mbedtls_ssl_get_ciphersuite_id(const char *ciphersuite_name)
Return the ID of the ciphersuite associated with the given name.
mbedtls_ssl_conf_alpn_protocols
int mbedtls_ssl_conf_alpn_protocols(mbedtls_ssl_config *conf, const char **protos)
Set the supported Application Layer Protocols.
mbedtls_ssl_cookie_write_t
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:2140
mbedtls_ssl_context::out_buf
unsigned char * out_buf
Definition: ssl.h:1255
mbedtls_ssl_session::id_len
size_t id_len
Definition: ssl.h:874
mbedtls_ssl_set_hostname
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...
mbedtls_ssl_context::in_hdr
unsigned char * in_hdr
Definition: ssl.h:1214
mbedtls_ssl_context::out_msgtype
int out_msgtype
Definition: ssl.h:1266
mbedtls_ssl_set_hs_ca_chain
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_ssl_context::cli_id
unsigned char * cli_id
Definition: ssl.h:1307
config.h
Configuration options (set of defines)
mbedtls_ssl_get_record_expansion
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...
mbedtls_ssl_context::f_recv_timeout
mbedtls_ssl_recv_timeout_t * f_recv_timeout
Definition: ssl.h:1175
mbedtls_ssl_conf_session_tickets
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....
mbedtls_ssl_check_pending
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_CLIENT_FINISHED
@ MBEDTLS_SSL_CLIENT_FINISHED
Definition: ssl.h:477
mbedtls_ssl_conf_dbg
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.
mbedtls_ssl_context::in_iv
unsigned char * in_iv
Definition: ssl.h:1220
mbedtls_ssl_config::f_dbg
void(* f_dbg)(void *, int, const char *, int, const char *)
Definition: ssl.h:924
mbedtls_ssl_context::in_msglen
size_t in_msglen
Definition: ssl.h:1225
mbedtls_ssl_config::f_sni
int(* f_sni)(void *, mbedtls_ssl_context *, const unsigned char *, size_t)
Definition: ssl.h:939
mbedtls_ssl_context::out_hdr
unsigned char * out_hdr
Definition: ssl.h:1257
MBEDTLS_ECP_MAX_BYTES
#define MBEDTLS_ECP_MAX_BYTES
Definition: ecp.h:223
mbedtls_ssl_context::transform_in
mbedtls_ssl_transform * transform_in
Definition: ssl.h:1194
mbedtls_ssl_context::renego_records_seen
int renego_records_seen
Definition: ssl.h:1155
MBEDTLS_SSL_CID_IN_LEN_MAX
#define MBEDTLS_SSL_CID_IN_LEN_MAX
Definition: ssl.h:273
MBEDTLS_DEPRECATED
#define MBEDTLS_DEPRECATED
Definition: ssl.h:3588
mbedtls_ssl_get_verify_result
uint32_t mbedtls_ssl_get_verify_result(const mbedtls_ssl_context *ssl)
Return the result of the certificate verification.
mbedtls_ssl_context::session_negotiate
mbedtls_ssl_session * session_negotiate
Definition: ssl.h:1186
mbedtls_tls_prf_types
mbedtls_tls_prf_types
Definition: ssl.h:492
mbedtls_ssl_session_save
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...
mbedtls_ssl_config::alpn_list
const char ** alpn_list
Definition: ssl.h:1059
mbedtls_ssl_config::psk_identity
unsigned char * psk_identity
Definition: ssl.h:1045
mbedtls_ssl_sig_hash_set_t
struct mbedtls_ssl_sig_hash_set_t mbedtls_ssl_sig_hash_set_t
Definition: ssl.h:617
MBEDTLS_SSL_CLIENT_HELLO
@ MBEDTLS_SSL_CLIENT_HELLO
Definition: ssl.h:467
mbedtls_ssl_conf_dh_param_ctx
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)
psa_key_handle_t
uint16_t psa_key_handle_t
Definition: crypto_platform.h:50
mbedtls_ssl_handshake_params
struct mbedtls_ssl_handshake_params mbedtls_ssl_handshake_params
Definition: ssl.h:616
mbedtls_ssl_config::renego_max_records
int renego_max_records
Definition: ssl.h:1076
mbedtls_ssl_config::ca_crl
mbedtls_x509_crl * ca_crl
Definition: ssl.h:995
mbedtls_ssl_conf_arc4_support
void mbedtls_ssl_conf_arc4_support(mbedtls_ssl_config *conf, char arc4)
Disable or enable support for RC4 (Default: MBEDTLS_SSL_ARC4_DISABLED)
MBEDTLS_SSL_TLS_PRF_SHA256
@ MBEDTLS_SSL_TLS_PRF_SHA256
Definition: ssl.h:497
x509_crt.h
X.509 certificate parsing and writing.
MBEDTLS_MPI_MAX_SIZE
#define MBEDTLS_MPI_MAX_SIZE
Definition: bignum.h:82
mbedtls_ssl_context::client_auth
int client_auth
Definition: ssl.h:1289
mbedtls_ssl_config::transport
unsigned int transport
Definition: ssl.h:1099
mbedtls_ssl_get_timer_t
int mbedtls_ssl_get_timer_t(void *ctx)
Callback type: get status of timers/delays.
Definition: ssl.h:607
mbedtls_ssl_config::authmode
unsigned int authmode
Definition: ssl.h:1100
mbedtls_ssl_conf_psk
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.
mbedtls_ssl_config::cbc_record_splitting
unsigned int cbc_record_splitting
Definition: ssl.h:1119
mbedtls_ssl_session::start
mbedtls_time_t start
Definition: ssl.h:870
MBEDTLS_SSL_CLIENT_CHANGE_CIPHER_SPEC
@ MBEDTLS_SSL_CLIENT_CHANGE_CIPHER_SPEC
Definition: ssl.h:476
mbedtls_ssl_config::f_ticket_write
int(* f_ticket_write)(void *, const mbedtls_ssl_session *, unsigned char *, const unsigned char *, size_t *, uint32_t *)
Definition: ssl.h:967
mbedtls_ssl_conf_endpoint
void mbedtls_ssl_conf_endpoint(mbedtls_ssl_config *conf, int endpoint)
Set the current endpoint type.
mbedtls_ssl_context::peer_verify_data
char peer_verify_data[MBEDTLS_SSL_VERIFY_DATA_MAX_LEN]
Definition: ssl.h:1320
mbedtls_ssl_recv_timeout_t
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:566
mbedtls_ssl_context::keep_current_message
int keep_current_message
Definition: ssl.h:1244
mbedtls_ssl_context::minor_ver
int minor_ver
Definition: ssl.h:1161
mbedtls_ssl_get_ciphersuite_name
const char * mbedtls_ssl_get_ciphersuite_name(const int ciphersuite_id)
Return the name of the ciphersuite associated with the given ID.
mbedtls_ssl_context::disable_datagram_packing
uint8_t disable_datagram_packing
Definition: ssl.h:1248
mbedtls_ssl_config::f_cookie_check
int(* f_cookie_check)(void *, const unsigned char *, size_t, const unsigned char *, size_t)
Definition: ssl.h:960
mbedtls_ssl_setup
int mbedtls_ssl_setup(mbedtls_ssl_context *ssl, const mbedtls_ssl_config *conf)
Set up an SSL context for use.
mbedtls_ssl_context::session_in
mbedtls_ssl_session * session_in
Definition: ssl.h:1183
mbedtls_ssl_config::f_psk
int(* f_psk)(void *, mbedtls_ssl_context *, const unsigned char *, size_t)
Definition: ssl.h:951
mbedtls_ssl_session::mfl_code
unsigned char mfl_code
Definition: ssl.h:898
mbedtls_ssl_context::secure_renegotiation
int secure_renegotiation
Definition: ssl.h:1315
mbedtls_ssl_config::p_cookie
void * p_cookie
Definition: ssl.h:962
mbedtls_ssl_set_hs_psk
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.
mbedtls_ssl_cookie_check_t
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:2157
mbedtls_ssl_conf_export_keys_cb
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.)
mbedtls_ssl_config::extended_ms
unsigned int extended_ms
Definition: ssl.h:1113
mbedtls_ssl_conf_session_cache
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...
mbedtls_ssl_conf_ca_chain
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.