Mbed TLS v3.6.3
ssl.h
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1 
6 /*
7  * Copyright The Mbed TLS Contributors
8  * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
9  */
10 #ifndef MBEDTLS_SSL_H
11 #define MBEDTLS_SSL_H
12 #include "mbedtls/platform_util.h"
13 #include "mbedtls/private_access.h"
14 
15 #include "mbedtls/build_info.h"
16 
17 #include "mbedtls/bignum.h"
18 #include "mbedtls/ecp.h"
19 
21 
22 #if defined(MBEDTLS_X509_CRT_PARSE_C)
23 #include "mbedtls/x509_crt.h"
24 #include "mbedtls/x509_crl.h"
25 #endif
26 
27 #if defined(MBEDTLS_DHM_C)
28 #include "mbedtls/dhm.h"
29 #endif
30 
31 #include "mbedtls/md.h"
32 
33 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_ECDH_OR_ECDHE_ANY_ENABLED)
34 #include "mbedtls/ecdh.h"
35 #endif
36 
37 #if defined(MBEDTLS_HAVE_TIME)
38 #include "mbedtls/platform_time.h"
39 #endif
40 
41 #include "psa/crypto.h"
42 
43 /*
44  * SSL Error codes
45  */
47 #define MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS -0x7000
48 
49 #define MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE -0x7080
50 
51 #define MBEDTLS_ERR_SSL_BAD_INPUT_DATA -0x7100
52 
53 #define MBEDTLS_ERR_SSL_INVALID_MAC -0x7180
54 
55 #define MBEDTLS_ERR_SSL_INVALID_RECORD -0x7200
56 
57 #define MBEDTLS_ERR_SSL_CONN_EOF -0x7280
58 
59 #define MBEDTLS_ERR_SSL_DECODE_ERROR -0x7300
60 /* Error space gap */
62 #define MBEDTLS_ERR_SSL_NO_RNG -0x7400
63 
64 #define MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE -0x7480
65 
66 #define MBEDTLS_ERR_SSL_UNSUPPORTED_EXTENSION -0x7500
67 
68 #define MBEDTLS_ERR_SSL_NO_APPLICATION_PROTOCOL -0x7580
69 
70 #define MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED -0x7600
71 
72 #define MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED -0x7680
73 
74 #define MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE -0x7700
75 
76 #define MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE -0x7780
77 
78 #define MBEDTLS_ERR_SSL_UNRECOGNIZED_NAME -0x7800
79 
80 #define MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY -0x7880
81 /* Error space gap */
82 /* Error space gap */
84 #define MBEDTLS_ERR_SSL_BAD_CERTIFICATE -0x7A00
85 /* Error space gap */
87 #define MBEDTLS_ERR_SSL_RECEIVED_NEW_SESSION_TICKET -0x7B00
88 
89 #define MBEDTLS_ERR_SSL_CANNOT_READ_EARLY_DATA -0x7B80
90 
99 #define MBEDTLS_ERR_SSL_RECEIVED_EARLY_DATA -0x7C00
100 
101 #define MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA -0x7C80
102 /* Error space gap */
103 /* Error space gap */
104 /* Error space gap */
105 /* Error space gap */
107 #define MBEDTLS_ERR_SSL_CACHE_ENTRY_NOT_FOUND -0x7E80
108 
109 #define MBEDTLS_ERR_SSL_ALLOC_FAILED -0x7F00
110 
111 #define MBEDTLS_ERR_SSL_HW_ACCEL_FAILED -0x7F80
112 
113 #define MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH -0x6F80
114 
115 #define MBEDTLS_ERR_SSL_BAD_PROTOCOL_VERSION -0x6E80
116 
117 #define MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE -0x6E00
118 
119 #define MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED -0x6D80
120 
121 #define MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH -0x6D00
122 
123 #define MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY -0x6C80
124 
125 #define MBEDTLS_ERR_SSL_INTERNAL_ERROR -0x6C00
126 
127 #define MBEDTLS_ERR_SSL_COUNTER_WRAPPING -0x6B80
128 
129 #define MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO -0x6B00
130 
131 #define MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED -0x6A80
132 
133 #define MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL -0x6A00
134 /* Error space gap */
136 #define MBEDTLS_ERR_SSL_WANT_READ -0x6900
137 
138 #define MBEDTLS_ERR_SSL_WANT_WRITE -0x6880
139 
140 #define MBEDTLS_ERR_SSL_TIMEOUT -0x6800
141 
142 #define MBEDTLS_ERR_SSL_CLIENT_RECONNECT -0x6780
143 
144 #define MBEDTLS_ERR_SSL_UNEXPECTED_RECORD -0x6700
145 
146 #define MBEDTLS_ERR_SSL_NON_FATAL -0x6680
147 
148 #define MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER -0x6600
149 
150 #define MBEDTLS_ERR_SSL_CONTINUE_PROCESSING -0x6580
151 
152 #define MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS -0x6500
153 
154 #define MBEDTLS_ERR_SSL_EARLY_MESSAGE -0x6480
155 /* Error space gap */
156 /* Error space gap */
157 /* Error space gap */
158 /* Error space gap */
159 /* Error space gap */
160 /* Error space gap */
161 /* Error space gap */
162 /* Error space gap */
164 #define MBEDTLS_ERR_SSL_UNEXPECTED_CID -0x6000
165 
166 #define MBEDTLS_ERR_SSL_VERSION_MISMATCH -0x5F00
167 
168 #define MBEDTLS_ERR_SSL_BAD_CONFIG -0x5E80
169 /* Error space gap */
204 #define MBEDTLS_ERR_SSL_CERTIFICATE_VERIFICATION_WITHOUT_HOSTNAME -0x5D80
205 
206 /*
207  * Constants from RFC 8446 for TLS 1.3 PSK modes
208  *
209  * Those are used in the Pre-Shared Key Exchange Modes extension.
210  * See Section 4.2.9 in RFC 8446.
211  */
212 #define MBEDTLS_SSL_TLS1_3_PSK_MODE_PURE 0 /* Pure PSK-based exchange */
213 #define MBEDTLS_SSL_TLS1_3_PSK_MODE_ECDHE 1 /* PSK+ECDHE-based exchange */
214 
215 /*
216  * TLS 1.3 NamedGroup values
217  *
218  * From RF 8446
219  * enum {
220  * // Elliptic Curve Groups (ECDHE)
221  * secp256r1(0x0017), secp384r1(0x0018), secp521r1(0x0019),
222  * x25519(0x001D), x448(0x001E),
223  * // Finite Field Groups (DHE)
224  * ffdhe2048(0x0100), ffdhe3072(0x0101), ffdhe4096(0x0102),
225  * ffdhe6144(0x0103), ffdhe8192(0x0104),
226  * // Reserved Code Points
227  * ffdhe_private_use(0x01FC..0x01FF),
228  * ecdhe_private_use(0xFE00..0xFEFF),
229  * (0xFFFF)
230  * } NamedGroup;
231  *
232  */
233 
234 /* Elliptic Curve Groups (ECDHE) */
235 #define MBEDTLS_SSL_IANA_TLS_GROUP_NONE 0
236 #define MBEDTLS_SSL_IANA_TLS_GROUP_SECP192K1 0x0012
237 #define MBEDTLS_SSL_IANA_TLS_GROUP_SECP192R1 0x0013
238 #define MBEDTLS_SSL_IANA_TLS_GROUP_SECP224K1 0x0014
239 #define MBEDTLS_SSL_IANA_TLS_GROUP_SECP224R1 0x0015
240 #define MBEDTLS_SSL_IANA_TLS_GROUP_SECP256K1 0x0016
241 #define MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1 0x0017
242 #define MBEDTLS_SSL_IANA_TLS_GROUP_SECP384R1 0x0018
243 #define MBEDTLS_SSL_IANA_TLS_GROUP_SECP521R1 0x0019
244 #define MBEDTLS_SSL_IANA_TLS_GROUP_BP256R1 0x001A
245 #define MBEDTLS_SSL_IANA_TLS_GROUP_BP384R1 0x001B
246 #define MBEDTLS_SSL_IANA_TLS_GROUP_BP512R1 0x001C
247 #define MBEDTLS_SSL_IANA_TLS_GROUP_X25519 0x001D
248 #define MBEDTLS_SSL_IANA_TLS_GROUP_X448 0x001E
249 /* Finite Field Groups (DHE) */
250 #define MBEDTLS_SSL_IANA_TLS_GROUP_FFDHE2048 0x0100
251 #define MBEDTLS_SSL_IANA_TLS_GROUP_FFDHE3072 0x0101
252 #define MBEDTLS_SSL_IANA_TLS_GROUP_FFDHE4096 0x0102
253 #define MBEDTLS_SSL_IANA_TLS_GROUP_FFDHE6144 0x0103
254 #define MBEDTLS_SSL_IANA_TLS_GROUP_FFDHE8192 0x0104
255 
256 /*
257  * TLS 1.3 Key Exchange Modes
258  *
259  * Mbed TLS internal identifiers for use with the SSL configuration API
260  * mbedtls_ssl_conf_tls13_key_exchange_modes().
261  */
262 
263 #define MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK (1u << 0)
266 #define MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL (1u << 1)
269 #define MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL (1u << 2)
273 /* Convenience macros for sets of key exchanges. */
274 #define MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_ALL \
275  (MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK | \
276  MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL | \
277  MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL)
278 #define MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ALL \
279  (MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK | \
280  MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL)
281 #define MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ALL \
282  (MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL | \
283  MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL)
285 #define MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_NONE (0)
286 
287 /*
288  * Various constants
289  */
290 
291 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
292 /* These are the high and low bytes of ProtocolVersion as defined by:
293  * - RFC 5246: ProtocolVersion version = { 3, 3 }; // TLS v1.2
294  * - RFC 8446: see section 4.2.1
295  */
296 #define MBEDTLS_SSL_MAJOR_VERSION_3 3
297 #define MBEDTLS_SSL_MINOR_VERSION_3 3
298 #define MBEDTLS_SSL_MINOR_VERSION_4 4
299 #endif /* MBEDTLS_DEPRECATED_REMOVED */
300 
301 #define MBEDTLS_SSL_TRANSPORT_STREAM 0
302 #define MBEDTLS_SSL_TRANSPORT_DATAGRAM 1
304 #define MBEDTLS_SSL_MAX_HOST_NAME_LEN 255
305 #define MBEDTLS_SSL_MAX_ALPN_NAME_LEN 255
307 #define MBEDTLS_SSL_MAX_ALPN_LIST_LEN 65535
309 /* RFC 6066 section 4, see also mfl_code_to_length in ssl_tls.c
310  * NONE must be zero so that memset()ing structure to zero works */
311 #define MBEDTLS_SSL_MAX_FRAG_LEN_NONE 0
312 #define MBEDTLS_SSL_MAX_FRAG_LEN_512 1
313 #define MBEDTLS_SSL_MAX_FRAG_LEN_1024 2
314 #define MBEDTLS_SSL_MAX_FRAG_LEN_2048 3
315 #define MBEDTLS_SSL_MAX_FRAG_LEN_4096 4
316 #define MBEDTLS_SSL_MAX_FRAG_LEN_INVALID 5
318 #define MBEDTLS_SSL_IS_CLIENT 0
319 #define MBEDTLS_SSL_IS_SERVER 1
321 #define MBEDTLS_SSL_EXTENDED_MS_DISABLED 0
322 #define MBEDTLS_SSL_EXTENDED_MS_ENABLED 1
323 
324 #define MBEDTLS_SSL_CID_DISABLED 0
325 #define MBEDTLS_SSL_CID_ENABLED 1
326 
327 #define MBEDTLS_SSL_ETM_DISABLED 0
328 #define MBEDTLS_SSL_ETM_ENABLED 1
329 
330 #define MBEDTLS_SSL_COMPRESS_NULL 0
332 #define MBEDTLS_SSL_VERIFY_NONE 0
333 #define MBEDTLS_SSL_VERIFY_OPTIONAL 1
334 #define MBEDTLS_SSL_VERIFY_REQUIRED 2
335 #define MBEDTLS_SSL_VERIFY_UNSET 3 /* Used only for sni_authmode */
337 #define MBEDTLS_SSL_LEGACY_RENEGOTIATION 0
338 #define MBEDTLS_SSL_SECURE_RENEGOTIATION 1
340 #define MBEDTLS_SSL_RENEGOTIATION_DISABLED 0
341 #define MBEDTLS_SSL_RENEGOTIATION_ENABLED 1
342 
343 #define MBEDTLS_SSL_ANTI_REPLAY_DISABLED 0
344 #define MBEDTLS_SSL_ANTI_REPLAY_ENABLED 1
345 
346 #define MBEDTLS_SSL_RENEGOTIATION_NOT_ENFORCED -1
347 #define MBEDTLS_SSL_RENEGO_MAX_RECORDS_DEFAULT 16
348 
349 #define MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION 0
350 #define MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION 1
351 #define MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE 2
353 #define MBEDTLS_SSL_TRUNC_HMAC_DISABLED 0
354 #define MBEDTLS_SSL_TRUNC_HMAC_ENABLED 1
355 #define MBEDTLS_SSL_TRUNCATED_HMAC_LEN 10 /* 80 bits, rfc 6066 section 7 */
357 #define MBEDTLS_SSL_SESSION_TICKETS_DISABLED 0
358 #define MBEDTLS_SSL_SESSION_TICKETS_ENABLED 1
360 #define MBEDTLS_SSL_TLS1_3_SIGNAL_NEW_SESSION_TICKETS_DISABLED 0
361 #define MBEDTLS_SSL_TLS1_3_SIGNAL_NEW_SESSION_TICKETS_ENABLED 1
362 
363 #define MBEDTLS_SSL_PRESET_DEFAULT 0
364 #define MBEDTLS_SSL_PRESET_SUITEB 2
365 
366 #define MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED 1
367 #define MBEDTLS_SSL_CERT_REQ_CA_LIST_DISABLED 0
368 
369 #define MBEDTLS_SSL_EARLY_DATA_DISABLED 0
370 #define MBEDTLS_SSL_EARLY_DATA_ENABLED 1
371 
372 #define MBEDTLS_SSL_DTLS_SRTP_MKI_UNSUPPORTED 0
373 #define MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED 1
374 
375 #define MBEDTLS_SSL_SRV_CIPHERSUITE_ORDER_CLIENT 1
376 #define MBEDTLS_SSL_SRV_CIPHERSUITE_ORDER_SERVER 0
377 
378 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) && defined(MBEDTLS_SSL_SESSION_TICKETS)
379 #if defined(PSA_WANT_ALG_SHA_384)
380 #define MBEDTLS_SSL_TLS1_3_TICKET_RESUMPTION_KEY_LEN 48
381 #elif defined(PSA_WANT_ALG_SHA_256)
382 #define MBEDTLS_SSL_TLS1_3_TICKET_RESUMPTION_KEY_LEN 32
383 #endif
384 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 && MBEDTLS_SSL_SESSION_TICKETS */
385 /*
386  * Default range for DTLS retransmission timer value, in milliseconds.
387  * RFC 6347 4.2.4.1 says from 1 second to 60 seconds.
388  */
389 #define MBEDTLS_SSL_DTLS_TIMEOUT_DFL_MIN 1000
390 #define MBEDTLS_SSL_DTLS_TIMEOUT_DFL_MAX 60000
391 
392 /*
393  * Whether early data record should be discarded or not and how.
394  *
395  * The client has indicated early data and the server has rejected them.
396  * The server has then to skip past early data by either:
397  * - attempting to deprotect received records using the handshake traffic
398  * key, discarding records which fail deprotection (up to the configured
399  * max_early_data_size). Once a record is deprotected successfully,
400  * it is treated as the start of the client's second flight and the
401  * server proceeds as with an ordinary 1-RTT handshake.
402  * - skipping all records with an external content type of
403  * "application_data" (indicating that they are encrypted), up to the
404  * configured max_early_data_size. This is the expected behavior if the
405  * server has sent an HelloRetryRequest message. The server ignores
406  * application data message before 2nd ClientHello.
407  */
408 #define MBEDTLS_SSL_EARLY_DATA_NO_DISCARD 0
409 #define MBEDTLS_SSL_EARLY_DATA_TRY_TO_DEPROTECT_AND_DISCARD 1
410 #define MBEDTLS_SSL_EARLY_DATA_DISCARD 2
411 
420 /*
421  * Maximum fragment length in bytes,
422  * determines the size of each of the two internal I/O buffers.
423  *
424  * Note: the RFC defines the default size of SSL / TLS messages. If you
425  * change the value here, other clients / servers may not be able to
426  * communicate with you anymore. Only change this value if you control
427  * both sides of the connection and have it reduced at both sides, or
428  * if you're using the Max Fragment Length extension and you know all your
429  * peers are using it too!
430  */
431 #if !defined(MBEDTLS_SSL_IN_CONTENT_LEN)
432 #define MBEDTLS_SSL_IN_CONTENT_LEN 16384
433 #endif
434 
435 #if !defined(MBEDTLS_SSL_OUT_CONTENT_LEN)
436 #define MBEDTLS_SSL_OUT_CONTENT_LEN 16384
437 #endif
439 /*
440  * Maximum number of heap-allocated bytes for the purpose of
441  * DTLS handshake message reassembly and future message buffering.
442  */
443 #if !defined(MBEDTLS_SSL_DTLS_MAX_BUFFERING)
444 #define MBEDTLS_SSL_DTLS_MAX_BUFFERING 32768
445 #endif
446 
447 /*
448  * Maximum length of CIDs for incoming and outgoing messages.
449  */
450 #if !defined(MBEDTLS_SSL_CID_IN_LEN_MAX)
451 #define MBEDTLS_SSL_CID_IN_LEN_MAX 32
452 #endif
453 
454 #if !defined(MBEDTLS_SSL_CID_OUT_LEN_MAX)
455 #define MBEDTLS_SSL_CID_OUT_LEN_MAX 32
456 #endif
458 #if !defined(MBEDTLS_SSL_CID_TLS1_3_PADDING_GRANULARITY)
459 #define MBEDTLS_SSL_CID_TLS1_3_PADDING_GRANULARITY 16
460 #endif
462 #if !defined(MBEDTLS_SSL_MAX_EARLY_DATA_SIZE)
463 #define MBEDTLS_SSL_MAX_EARLY_DATA_SIZE 1024
464 #endif
466 #if !defined(MBEDTLS_SSL_TLS1_3_TICKET_AGE_TOLERANCE)
467 #define MBEDTLS_SSL_TLS1_3_TICKET_AGE_TOLERANCE 6000
468 #endif
470 #if !defined(MBEDTLS_SSL_TLS1_3_TICKET_NONCE_LENGTH)
471 #define MBEDTLS_SSL_TLS1_3_TICKET_NONCE_LENGTH 32
472 #endif
474 #if !defined(MBEDTLS_SSL_TLS1_3_DEFAULT_NEW_SESSION_TICKETS)
475 #define MBEDTLS_SSL_TLS1_3_DEFAULT_NEW_SESSION_TICKETS 1
476 #endif
480 /*
481  * Default to standard CID mode
482  */
483 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) && \
484  !defined(MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT)
485 #define MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT 0
486 #endif
487 
488 /*
489  * Length of the verify data for secure renegotiation
490  */
491 #define MBEDTLS_SSL_VERIFY_DATA_MAX_LEN 12
492 
493 /*
494  * Signaling ciphersuite values (SCSV)
495  */
496 #define MBEDTLS_SSL_EMPTY_RENEGOTIATION_INFO 0xFF
498 /*
499  * Supported Signature and Hash algorithms (For TLS 1.2)
500  * RFC 5246 section 7.4.1.4.1
501  */
502 #define MBEDTLS_SSL_HASH_NONE 0
503 #define MBEDTLS_SSL_HASH_MD5 1
504 #define MBEDTLS_SSL_HASH_SHA1 2
505 #define MBEDTLS_SSL_HASH_SHA224 3
506 #define MBEDTLS_SSL_HASH_SHA256 4
507 #define MBEDTLS_SSL_HASH_SHA384 5
508 #define MBEDTLS_SSL_HASH_SHA512 6
510 #define MBEDTLS_SSL_SIG_ANON 0
511 #define MBEDTLS_SSL_SIG_RSA 1
512 #define MBEDTLS_SSL_SIG_ECDSA 3
514 /*
515  * TLS 1.3 signature algorithms
516  * RFC 8446, Section 4.2.3
517  */
519 /* RSASSA-PKCS1-v1_5 algorithms */
520 #define MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA256 0x0401
521 #define MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA384 0x0501
522 #define MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA512 0x0601
523 
524 /* ECDSA algorithms */
525 #define MBEDTLS_TLS1_3_SIG_ECDSA_SECP256R1_SHA256 0x0403
526 #define MBEDTLS_TLS1_3_SIG_ECDSA_SECP384R1_SHA384 0x0503
527 #define MBEDTLS_TLS1_3_SIG_ECDSA_SECP521R1_SHA512 0x0603
529 /* RSASSA-PSS algorithms with public key OID rsaEncryption */
530 #define MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA256 0x0804
531 #define MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA384 0x0805
532 #define MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA512 0x0806
534 /* EdDSA algorithms */
535 #define MBEDTLS_TLS1_3_SIG_ED25519 0x0807
536 #define MBEDTLS_TLS1_3_SIG_ED448 0x0808
538 /* RSASSA-PSS algorithms with public key OID RSASSA-PSS */
539 #define MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA256 0x0809
540 #define MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA384 0x080A
541 #define MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA512 0x080B
543 /* LEGACY ALGORITHMS */
544 #define MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA1 0x0201
545 #define MBEDTLS_TLS1_3_SIG_ECDSA_SHA1 0x0203
547 #define MBEDTLS_TLS1_3_SIG_NONE 0x0
548 
549 /*
550  * Client Certificate Types
551  * RFC 5246 section 7.4.4 plus RFC 4492 section 5.5
552  */
553 #define MBEDTLS_SSL_CERT_TYPE_RSA_SIGN 1
554 #define MBEDTLS_SSL_CERT_TYPE_ECDSA_SIGN 64
555 
556 /*
557  * Message, alert and handshake types
558  */
559 #define MBEDTLS_SSL_MSG_CHANGE_CIPHER_SPEC 20
560 #define MBEDTLS_SSL_MSG_ALERT 21
561 #define MBEDTLS_SSL_MSG_HANDSHAKE 22
562 #define MBEDTLS_SSL_MSG_APPLICATION_DATA 23
563 #define MBEDTLS_SSL_MSG_CID 25
564 
565 #define MBEDTLS_SSL_ALERT_LEVEL_WARNING 1
566 #define MBEDTLS_SSL_ALERT_LEVEL_FATAL 2
568 #define MBEDTLS_SSL_ALERT_MSG_CLOSE_NOTIFY 0 /* 0x00 */
569 #define MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE 10 /* 0x0A */
570 #define MBEDTLS_SSL_ALERT_MSG_BAD_RECORD_MAC 20 /* 0x14 */
571 #define MBEDTLS_SSL_ALERT_MSG_DECRYPTION_FAILED 21 /* 0x15 */
572 #define MBEDTLS_SSL_ALERT_MSG_RECORD_OVERFLOW 22 /* 0x16 */
573 #define MBEDTLS_SSL_ALERT_MSG_DECOMPRESSION_FAILURE 30 /* 0x1E */
574 #define MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE 40 /* 0x28 */
575 #define MBEDTLS_SSL_ALERT_MSG_NO_CERT 41 /* 0x29 */
576 #define MBEDTLS_SSL_ALERT_MSG_BAD_CERT 42 /* 0x2A */
577 #define MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_CERT 43 /* 0x2B */
578 #define MBEDTLS_SSL_ALERT_MSG_CERT_REVOKED 44 /* 0x2C */
579 #define MBEDTLS_SSL_ALERT_MSG_CERT_EXPIRED 45 /* 0x2D */
580 #define MBEDTLS_SSL_ALERT_MSG_CERT_UNKNOWN 46 /* 0x2E */
581 #define MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER 47 /* 0x2F */
582 #define MBEDTLS_SSL_ALERT_MSG_UNKNOWN_CA 48 /* 0x30 */
583 #define MBEDTLS_SSL_ALERT_MSG_ACCESS_DENIED 49 /* 0x31 */
584 #define MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR 50 /* 0x32 */
585 #define MBEDTLS_SSL_ALERT_MSG_DECRYPT_ERROR 51 /* 0x33 */
586 #define MBEDTLS_SSL_ALERT_MSG_EXPORT_RESTRICTION 60 /* 0x3C */
587 #define MBEDTLS_SSL_ALERT_MSG_PROTOCOL_VERSION 70 /* 0x46 */
588 #define MBEDTLS_SSL_ALERT_MSG_INSUFFICIENT_SECURITY 71 /* 0x47 */
589 #define MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR 80 /* 0x50 */
590 #define MBEDTLS_SSL_ALERT_MSG_INAPROPRIATE_FALLBACK 86 /* 0x56 */
591 #define MBEDTLS_SSL_ALERT_MSG_USER_CANCELED 90 /* 0x5A */
592 #define MBEDTLS_SSL_ALERT_MSG_NO_RENEGOTIATION 100 /* 0x64 */
593 #define MBEDTLS_SSL_ALERT_MSG_MISSING_EXTENSION 109 /* 0x6d -- new in TLS 1.3 */
594 #define MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT 110 /* 0x6E */
595 #define MBEDTLS_SSL_ALERT_MSG_UNRECOGNIZED_NAME 112 /* 0x70 */
596 #define MBEDTLS_SSL_ALERT_MSG_UNKNOWN_PSK_IDENTITY 115 /* 0x73 */
597 #define MBEDTLS_SSL_ALERT_MSG_CERT_REQUIRED 116 /* 0x74 */
598 #define MBEDTLS_SSL_ALERT_MSG_NO_APPLICATION_PROTOCOL 120 /* 0x78 */
600 #define MBEDTLS_SSL_HS_HELLO_REQUEST 0
601 #define MBEDTLS_SSL_HS_CLIENT_HELLO 1
602 #define MBEDTLS_SSL_HS_SERVER_HELLO 2
603 #define MBEDTLS_SSL_HS_HELLO_VERIFY_REQUEST 3
604 #define MBEDTLS_SSL_HS_NEW_SESSION_TICKET 4
605 #define MBEDTLS_SSL_HS_END_OF_EARLY_DATA 5
606 #define MBEDTLS_SSL_HS_ENCRYPTED_EXTENSIONS 8
607 #define MBEDTLS_SSL_HS_CERTIFICATE 11
608 #define MBEDTLS_SSL_HS_SERVER_KEY_EXCHANGE 12
609 #define MBEDTLS_SSL_HS_CERTIFICATE_REQUEST 13
610 #define MBEDTLS_SSL_HS_SERVER_HELLO_DONE 14
611 #define MBEDTLS_SSL_HS_CERTIFICATE_VERIFY 15
612 #define MBEDTLS_SSL_HS_CLIENT_KEY_EXCHANGE 16
613 #define MBEDTLS_SSL_HS_FINISHED 20
614 #define MBEDTLS_SSL_HS_MESSAGE_HASH 254
616 /*
617  * TLS extensions
618  */
619 #define MBEDTLS_TLS_EXT_SERVERNAME 0
620 #define MBEDTLS_TLS_EXT_SERVERNAME_HOSTNAME 0
621 
622 #define MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH 1
623 
624 #define MBEDTLS_TLS_EXT_TRUNCATED_HMAC 4
625 #define MBEDTLS_TLS_EXT_STATUS_REQUEST 5 /* RFC 6066 TLS 1.2 and 1.3 */
627 #define MBEDTLS_TLS_EXT_SUPPORTED_ELLIPTIC_CURVES 10
628 #define MBEDTLS_TLS_EXT_SUPPORTED_GROUPS 10 /* RFC 8422,7919 TLS 1.2 and 1.3 */
629 #define MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS 11
631 #define MBEDTLS_TLS_EXT_SIG_ALG 13 /* RFC 8446 TLS 1.3 */
632 #define MBEDTLS_TLS_EXT_USE_SRTP 14
633 #define MBEDTLS_TLS_EXT_HEARTBEAT 15 /* RFC 6520 TLS 1.2 and 1.3 */
634 #define MBEDTLS_TLS_EXT_ALPN 16
636 #define MBEDTLS_TLS_EXT_SCT 18 /* RFC 6962 TLS 1.2 and 1.3 */
637 #define MBEDTLS_TLS_EXT_CLI_CERT_TYPE 19 /* RFC 7250 TLS 1.2 and 1.3 */
638 #define MBEDTLS_TLS_EXT_SERV_CERT_TYPE 20 /* RFC 7250 TLS 1.2 and 1.3 */
639 #define MBEDTLS_TLS_EXT_PADDING 21 /* RFC 7685 TLS 1.2 and 1.3 */
640 #define MBEDTLS_TLS_EXT_ENCRYPT_THEN_MAC 22 /* 0x16 */
641 #define MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET 0x0017 /* 23 */
643 #define MBEDTLS_TLS_EXT_RECORD_SIZE_LIMIT 28 /* RFC 8449 (implemented for TLS 1.3 only) */
645 #define MBEDTLS_TLS_EXT_SESSION_TICKET 35
647 #define MBEDTLS_TLS_EXT_PRE_SHARED_KEY 41 /* RFC 8446 TLS 1.3 */
648 #define MBEDTLS_TLS_EXT_EARLY_DATA 42 /* RFC 8446 TLS 1.3 */
649 #define MBEDTLS_TLS_EXT_SUPPORTED_VERSIONS 43 /* RFC 8446 TLS 1.3 */
650 #define MBEDTLS_TLS_EXT_COOKIE 44 /* RFC 8446 TLS 1.3 */
651 #define MBEDTLS_TLS_EXT_PSK_KEY_EXCHANGE_MODES 45 /* RFC 8446 TLS 1.3 */
652 
653 #define MBEDTLS_TLS_EXT_CERT_AUTH 47 /* RFC 8446 TLS 1.3 */
654 #define MBEDTLS_TLS_EXT_OID_FILTERS 48 /* RFC 8446 TLS 1.3 */
655 #define MBEDTLS_TLS_EXT_POST_HANDSHAKE_AUTH 49 /* RFC 8446 TLS 1.3 */
656 #define MBEDTLS_TLS_EXT_SIG_ALG_CERT 50 /* RFC 8446 TLS 1.3 */
657 #define MBEDTLS_TLS_EXT_KEY_SHARE 51 /* RFC 8446 TLS 1.3 */
658 
659 #if MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT == 0
660 #define MBEDTLS_TLS_EXT_CID 54 /* RFC 9146 DTLS 1.2 CID */
661 #else
662 #define MBEDTLS_TLS_EXT_CID 254 /* Pre-RFC 9146 DTLS 1.2 CID */
663 #endif
664 
665 #define MBEDTLS_TLS_EXT_ECJPAKE_KKPP 256 /* experimental */
667 #define MBEDTLS_TLS_EXT_RENEGOTIATION_INFO 0xFF01
668 
669 /*
670  * Size defines
671  */
672 #if !defined(MBEDTLS_PSK_MAX_LEN)
673 /*
674  * If the library supports TLS 1.3 tickets and the cipher suite
675  * TLS1-3-AES-256-GCM-SHA384, set the PSK maximum length to 48 instead of 32.
676  * That way, the TLS 1.3 client and server are able to resume sessions where
677  * the cipher suite is TLS1-3-AES-256-GCM-SHA384 (pre-shared keys are 48
678  * bytes long in that case).
679  */
680 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) && \
681  defined(MBEDTLS_SSL_SESSION_TICKETS) && \
682  defined(MBEDTLS_SSL_HAVE_AES) && defined(MBEDTLS_SSL_HAVE_GCM) && \
683  defined(MBEDTLS_MD_CAN_SHA384)
684 #define MBEDTLS_PSK_MAX_LEN 48 /* 384 bits */
685 #else
686 #define MBEDTLS_PSK_MAX_LEN 32 /* 256 bits */
687 #endif
688 #endif /* !MBEDTLS_PSK_MAX_LEN */
689 
690 /* Dummy type used only for its size */
692  unsigned char dummy; /* Make the union non-empty even with SSL disabled */
693 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)
694  unsigned char _pms_rsa[48]; /* RFC 5246 8.1.1 */
695 #endif
696 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)
697  unsigned char _pms_dhm[MBEDTLS_MPI_MAX_SIZE]; /* RFC 5246 8.1.2 */
698 #endif
699 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) || \
700  defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) || \
701  defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) || \
702  defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
703  unsigned char _pms_ecdh[MBEDTLS_ECP_MAX_BYTES]; /* RFC 4492 5.10 */
704 #endif
705 #if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)
706  unsigned char _pms_psk[4 + 2 * MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 2 */
707 #endif
708 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
710  + MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 3 */
711 #endif
712 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED)
713  unsigned char _pms_rsa_psk[52 + MBEDTLS_PSK_MAX_LEN]; /* RFC 4279 4 */
714 #endif
715 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
717  + MBEDTLS_PSK_MAX_LEN]; /* RFC 5489 2 */
718 #endif
719 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
720  unsigned char _pms_ecjpake[32]; /* Thread spec: SHA-256 output */
721 #endif
722 };
724 #define MBEDTLS_PREMASTER_SIZE sizeof(union mbedtls_ssl_premaster_secret)
725 
726 #define MBEDTLS_TLS1_3_MD_MAX_SIZE PSA_HASH_MAX_SIZE
727 
728 
729 /* Length in number of bytes of the TLS sequence number */
730 #define MBEDTLS_SSL_SEQUENCE_NUMBER_LEN 8
731 
732 #ifdef __cplusplus
733 extern "C" {
734 #endif
735 
736 /*
737  * SSL state machine
738  */
739 typedef enum {
770 }
773 /*
774  * Early data status, client side only.
775  */
776 
777 #if defined(MBEDTLS_SSL_EARLY_DATA) && defined(MBEDTLS_SSL_CLI_C)
778 typedef enum {
779 /*
780  * See documentation of mbedtls_ssl_get_early_data_status().
781  */
782  MBEDTLS_SSL_EARLY_DATA_STATUS_NOT_INDICATED,
783  MBEDTLS_SSL_EARLY_DATA_STATUS_ACCEPTED,
784  MBEDTLS_SSL_EARLY_DATA_STATUS_REJECTED,
785 } mbedtls_ssl_early_data_status;
786 #endif /* MBEDTLS_SSL_EARLY_DATA && MBEDTLS_SSL_CLI_C */
787 
805 typedef int mbedtls_ssl_send_t(void *ctx,
806  const unsigned char *buf,
807  size_t len);
808 
829 typedef int mbedtls_ssl_recv_t(void *ctx,
830  unsigned char *buf,
831  size_t len);
832 
855 typedef int mbedtls_ssl_recv_timeout_t(void *ctx,
856  unsigned char *buf,
857  size_t len,
858  uint32_t timeout);
881 typedef void mbedtls_ssl_set_timer_t(void *ctx,
882  uint32_t int_ms,
883  uint32_t fin_ms);
884 
896 typedef int mbedtls_ssl_get_timer_t(void *ctx);
897 
898 /* Defined below */
903 /* Defined in library/ssl_misc.h */
907 #if defined(MBEDTLS_X509_CRT_PARSE_C)
909 #endif
910 #if defined(MBEDTLS_SSL_PROTO_DTLS)
912 #endif
913 
914 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) && defined(MBEDTLS_SSL_SESSION_TICKETS)
915 #define MBEDTLS_SSL_TLS1_3_TICKET_ALLOW_PSK_RESUMPTION \
916  MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK /* 1U << 0 */
917 #define MBEDTLS_SSL_TLS1_3_TICKET_ALLOW_PSK_EPHEMERAL_RESUMPTION \
918  MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL /* 1U << 2 */
919 #define MBEDTLS_SSL_TLS1_3_TICKET_ALLOW_EARLY_DATA (1U << 3)
920 
921 #define MBEDTLS_SSL_TLS1_3_TICKET_FLAGS_MASK \
922  (MBEDTLS_SSL_TLS1_3_TICKET_ALLOW_PSK_RESUMPTION | \
923  MBEDTLS_SSL_TLS1_3_TICKET_ALLOW_PSK_EPHEMERAL_RESUMPTION | \
924  MBEDTLS_SSL_TLS1_3_TICKET_ALLOW_EARLY_DATA)
925 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 && MBEDTLS_SSL_SESSION_TICKETS */
926 
950 typedef int mbedtls_ssl_cache_get_t(void *data,
951  unsigned char const *session_id,
952  size_t session_id_len,
953  mbedtls_ssl_session *session);
972 typedef int mbedtls_ssl_cache_set_t(void *data,
973  unsigned char const *session_id,
974  size_t session_id_len,
975  const mbedtls_ssl_session *session);
976 
977 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
978 #if defined(MBEDTLS_X509_CRT_PARSE_C)
979 
1050 typedef int mbedtls_ssl_async_sign_t(mbedtls_ssl_context *ssl,
1051  mbedtls_x509_crt *cert,
1052  mbedtls_md_type_t md_alg,
1053  const unsigned char *hash,
1054  size_t hash_len);
1055 
1116 typedef int mbedtls_ssl_async_decrypt_t(mbedtls_ssl_context *ssl,
1117  mbedtls_x509_crt *cert,
1118  const unsigned char *input,
1119  size_t input_len);
1120 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1121 
1164 typedef int mbedtls_ssl_async_resume_t(mbedtls_ssl_context *ssl,
1165  unsigned char *output,
1166  size_t *output_len,
1167  size_t output_size);
1168 
1186 typedef void mbedtls_ssl_async_cancel_t(mbedtls_ssl_context *ssl);
1187 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
1188 
1189 #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED) && \
1190  !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
1191 #define MBEDTLS_SSL_PEER_CERT_DIGEST_MAX_LEN 48
1192 #if defined(MBEDTLS_MD_CAN_SHA256)
1193 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_TYPE MBEDTLS_MD_SHA256
1194 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_LEN 32
1195 #elif defined(MBEDTLS_MD_CAN_SHA384)
1196 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_TYPE MBEDTLS_MD_SHA384
1197 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_LEN 48
1198 #elif defined(MBEDTLS_MD_CAN_SHA1)
1199 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_TYPE MBEDTLS_MD_SHA1
1200 #define MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_LEN 20
1201 #else
1202 /* This is already checked in check_config.h, but be sure. */
1203 #error "Bad configuration - need SHA-1, SHA-256 or SHA-512 enabled to compute digest of peer CRT."
1204 #endif
1205 #endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED &&
1206  !MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
1207 
1208 typedef struct {
1209  unsigned char client_application_traffic_secret_N[MBEDTLS_TLS1_3_MD_MAX_SIZE];
1210  unsigned char server_application_traffic_secret_N[MBEDTLS_TLS1_3_MD_MAX_SIZE];
1211  unsigned char exporter_master_secret[MBEDTLS_TLS1_3_MD_MAX_SIZE];
1212  unsigned char resumption_master_secret[MBEDTLS_TLS1_3_MD_MAX_SIZE];
1215 #if defined(MBEDTLS_SSL_DTLS_SRTP)
1217 #define MBEDTLS_TLS_SRTP_MAX_MKI_LENGTH 255
1218 #define MBEDTLS_TLS_SRTP_MAX_PROFILE_LIST_LENGTH 4
1219 /*
1220  * For code readability use a typedef for DTLS-SRTP profiles
1221  *
1222  * Use_srtp extension protection profiles values as defined in
1223  * http://www.iana.org/assignments/srtp-protection/srtp-protection.xhtml
1224  *
1225  * Reminder: if this list is expanded mbedtls_ssl_check_srtp_profile_value
1226  * must be updated too.
1227  */
1228 #define MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80 ((uint16_t) 0x0001)
1229 #define MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32 ((uint16_t) 0x0002)
1230 #define MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80 ((uint16_t) 0x0005)
1231 #define MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32 ((uint16_t) 0x0006)
1232 /* This one is not iana defined, but for code readability. */
1233 #define MBEDTLS_TLS_SRTP_UNSET ((uint16_t) 0x0000)
1235 typedef uint16_t mbedtls_ssl_srtp_profile;
1239  mbedtls_ssl_srtp_profile MBEDTLS_PRIVATE(chosen_dtls_srtp_profile);
1241  uint16_t MBEDTLS_PRIVATE(mki_len);
1244 }
1246 
1247 #endif /* MBEDTLS_SSL_DTLS_SRTP */
1248 
1250 typedef enum {
1252  MBEDTLS_SSL_VERSION_TLS1_2 = 0x0303,
1253  MBEDTLS_SSL_VERSION_TLS1_3 = 0x0304,
1255 
1256 /*
1257  * This structure is used for storing current session data.
1258  *
1259  * Note: when changing this definition, we need to check and update:
1260  * - in tests/suites/test_suite_ssl.function:
1261  * ssl_populate_session() and ssl_serialize_session_save_load()
1262  * - in library/ssl_tls.c:
1263  * mbedtls_ssl_session_init() and mbedtls_ssl_session_free()
1264  * mbedtls_ssl_session_save() and ssl_session_load()
1265  * ssl_session_copy()
1266  */
1267 struct mbedtls_ssl_session {
1268 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
1269  unsigned char MBEDTLS_PRIVATE(mfl_code);
1270 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
1271 
1273 #if defined(MBEDTLS_SSL_RECORD_SIZE_LIMIT)
1274  uint16_t MBEDTLS_PRIVATE(record_size_limit);
1275 #endif /* MBEDTLS_SSL_RECORD_SIZE_LIMIT */
1276 
1277  unsigned char MBEDTLS_PRIVATE(exported);
1278  uint8_t MBEDTLS_PRIVATE(endpoint);
1285 #if defined(MBEDTLS_HAVE_TIME)
1287 #endif
1288  int MBEDTLS_PRIVATE(ciphersuite);
1289  size_t MBEDTLS_PRIVATE(id_len);
1290  unsigned char MBEDTLS_PRIVATE(id)[32];
1291  unsigned char MBEDTLS_PRIVATE(master)[48];
1293 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1294 #if defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
1296 #else /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
1299  unsigned char *MBEDTLS_PRIVATE(peer_cert_digest);
1300  size_t MBEDTLS_PRIVATE(peer_cert_digest_len);
1301  mbedtls_md_type_t MBEDTLS_PRIVATE(peer_cert_digest_type);
1302 #endif /* !MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
1303 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1304  uint32_t MBEDTLS_PRIVATE(verify_result);
1306 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C)
1307  unsigned char *MBEDTLS_PRIVATE(ticket);
1308  size_t MBEDTLS_PRIVATE(ticket_len);
1309  uint32_t MBEDTLS_PRIVATE(ticket_lifetime);
1310 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_CLI_C */
1311 
1312 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_SRV_C) && \
1313  defined(MBEDTLS_HAVE_TIME)
1330  mbedtls_ms_time_t MBEDTLS_PRIVATE(ticket_creation_time);
1331 #endif
1332 
1333 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) && defined(MBEDTLS_SSL_SESSION_TICKETS)
1334  uint32_t MBEDTLS_PRIVATE(ticket_age_add);
1335  uint8_t MBEDTLS_PRIVATE(ticket_flags);
1336  uint8_t MBEDTLS_PRIVATE(resumption_key_len);
1337  unsigned char MBEDTLS_PRIVATE(resumption_key)[MBEDTLS_SSL_TLS1_3_TICKET_RESUMPTION_KEY_LEN];
1338 
1339 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && defined(MBEDTLS_SSL_CLI_C)
1340  char *MBEDTLS_PRIVATE(hostname);
1341 #endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION && MBEDTLS_SSL_CLI_C */
1343 #if defined(MBEDTLS_SSL_EARLY_DATA) && defined(MBEDTLS_SSL_ALPN) && defined(MBEDTLS_SSL_SRV_C)
1344  char *ticket_alpn;
1346 #endif
1347 
1348 #if defined(MBEDTLS_HAVE_TIME) && defined(MBEDTLS_SSL_CLI_C)
1349 
1350  mbedtls_ms_time_t MBEDTLS_PRIVATE(ticket_reception_time);
1351 #endif
1352 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 && MBEDTLS_SSL_SESSION_TICKETS */
1353 
1354 #if defined(MBEDTLS_SSL_EARLY_DATA)
1355  uint32_t MBEDTLS_PRIVATE(max_early_data_size);
1356 #endif
1357 
1358 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
1359  int MBEDTLS_PRIVATE(encrypt_then_mac);
1360 #endif
1361 
1362 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
1364 #endif
1365 };
1366 
1367 /*
1368  * Identifiers for PRFs used in various versions of TLS.
1369  */
1370 typedef enum {
1379 typedef enum {
1381 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
1388 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
1406 typedef void mbedtls_ssl_export_keys_t(void *p_expkey,
1408  const unsigned char *secret,
1409  size_t secret_len,
1410  const unsigned char client_random[32],
1411  const unsigned char server_random[32],
1412  mbedtls_tls_prf_types tls_prf_type);
1413 
1414 #if defined(MBEDTLS_SSL_SRV_C)
1415 
1430 typedef int (*mbedtls_ssl_hs_cb_t)(mbedtls_ssl_context *ssl);
1431 #endif
1432 
1433 /* A type for storing user data in a library structure.
1434  *
1435  * The representation of type may change in future versions of the library.
1436  * Only the behaviors guaranteed by documented accessor functions are
1437  * guaranteed to remain stable.
1438  */
1439 typedef union {
1440  uintptr_t n; /* typically a handle to an associated object */
1441  void *p; /* typically a pointer to extra data */
1443 
1448  /* Group items mostly by size. This helps to reduce memory wasted to
1449  * padding. It also helps to keep smaller fields early in the structure,
1450  * so that elements tend to be in the 128-element direct access window
1451  * on Arm Thumb, which reduces the code size. */
1452 
1456  /*
1457  * Flags (could be bit-fields to save RAM, but separate bytes make
1458  * the code smaller on architectures with an instruction for direct
1459  * byte access).
1460  */
1461 
1462  uint8_t MBEDTLS_PRIVATE(endpoint);
1463  uint8_t MBEDTLS_PRIVATE(transport);
1464  uint8_t MBEDTLS_PRIVATE(authmode);
1465  /* needed even with renego disabled for LEGACY_BREAK_HANDSHAKE */
1466  uint8_t MBEDTLS_PRIVATE(allow_legacy_renegotiation);
1467 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
1468  uint8_t MBEDTLS_PRIVATE(mfl_code);
1470 #endif
1471 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
1472  uint8_t MBEDTLS_PRIVATE(encrypt_then_mac);
1473 #endif
1474 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
1475  uint8_t MBEDTLS_PRIVATE(extended_ms);
1476 #endif
1477 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
1478  uint8_t MBEDTLS_PRIVATE(anti_replay);
1479 #endif
1480 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1481  uint8_t MBEDTLS_PRIVATE(disable_renegotiation);
1482 #endif
1483 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && \
1484  defined(MBEDTLS_SSL_CLI_C)
1485 
1491  uint8_t MBEDTLS_PRIVATE(session_tickets);
1492 #endif
1493 
1494 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && \
1495  defined(MBEDTLS_SSL_SRV_C) && \
1496  defined(MBEDTLS_SSL_PROTO_TLS1_3)
1497  uint16_t MBEDTLS_PRIVATE(new_session_tickets_count);
1498 #endif
1499 
1500 #if defined(MBEDTLS_SSL_SRV_C)
1501  uint8_t MBEDTLS_PRIVATE(cert_req_ca_list);
1503  uint8_t MBEDTLS_PRIVATE(respect_cli_pref);
1506 #endif
1507 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1508  uint8_t MBEDTLS_PRIVATE(ignore_unexpected_cid);
1511 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1512 #if defined(MBEDTLS_SSL_DTLS_SRTP)
1513  uint8_t MBEDTLS_PRIVATE(dtls_srtp_mki_support); /* support having mki_value
1514  in the use_srtp extension? */
1515 #endif
1516 
1517  /*
1518  * Pointers
1519  */
1520 
1522  const int *MBEDTLS_PRIVATE(ciphersuite_list);
1523 
1524 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
1525 
1526  int MBEDTLS_PRIVATE(tls13_kex_modes);
1527 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
1530  void(*MBEDTLS_PRIVATE(f_dbg))(void *, int, const char *, int, const char *);
1531  void *MBEDTLS_PRIVATE(p_dbg);
1534  int(*MBEDTLS_PRIVATE(f_rng))(void *, unsigned char *, size_t);
1535  void *MBEDTLS_PRIVATE(p_rng);
1541  void *MBEDTLS_PRIVATE(p_cache);
1543 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
1545  int(*MBEDTLS_PRIVATE(f_sni))(void *, mbedtls_ssl_context *, const unsigned char *, size_t);
1546  void *MBEDTLS_PRIVATE(p_sni);
1547 #endif
1548 
1549 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1550 
1551  int(*MBEDTLS_PRIVATE(f_vrfy))(void *, mbedtls_x509_crt *, int, uint32_t *);
1552  void *MBEDTLS_PRIVATE(p_vrfy);
1553 #endif
1554 
1555 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
1556 #if defined(MBEDTLS_SSL_SRV_C)
1558  int(*MBEDTLS_PRIVATE(f_psk))(void *, mbedtls_ssl_context *, const unsigned char *, size_t);
1559  void *MBEDTLS_PRIVATE(p_psk);
1560 #endif
1561 #endif
1562 
1563 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
1565  int(*MBEDTLS_PRIVATE(f_cookie_write))(void *, unsigned char **, unsigned char *,
1566  const unsigned char *, size_t);
1568  int(*MBEDTLS_PRIVATE(f_cookie_check))(void *, const unsigned char *, size_t,
1569  const unsigned char *, size_t);
1570  void *MBEDTLS_PRIVATE(p_cookie);
1571 #endif
1572 
1573 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_SRV_C)
1575  int(*MBEDTLS_PRIVATE(f_ticket_write))(void *, const mbedtls_ssl_session *,
1576  unsigned char *, const unsigned char *, size_t *,
1577  uint32_t *);
1579  int(*MBEDTLS_PRIVATE(f_ticket_parse))(void *, mbedtls_ssl_session *, unsigned char *, size_t);
1580  void *MBEDTLS_PRIVATE(p_ticket);
1581 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_SRV_C */
1582 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1583  size_t MBEDTLS_PRIVATE(cid_len);
1584 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1586 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1587  const mbedtls_x509_crt_profile *MBEDTLS_PRIVATE(cert_profile);
1589  mbedtls_x509_crt *MBEDTLS_PRIVATE(ca_chain);
1591 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
1593  void *MBEDTLS_PRIVATE(p_ca_cb);
1594 #endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
1595 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1597 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
1598 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1599  mbedtls_ssl_async_sign_t *MBEDTLS_PRIVATE(f_async_sign_start);
1600  mbedtls_ssl_async_decrypt_t *MBEDTLS_PRIVATE(f_async_decrypt_start);
1601 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1602  mbedtls_ssl_async_resume_t *MBEDTLS_PRIVATE(f_async_resume);
1603  mbedtls_ssl_async_cancel_t *MBEDTLS_PRIVATE(f_async_cancel);
1604  void *MBEDTLS_PRIVATE(p_async_config_data);
1605 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
1606 
1607 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
1608 
1609 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
1610  const int *MBEDTLS_PRIVATE(sig_hashes);
1611 #endif
1612  const uint16_t *MBEDTLS_PRIVATE(sig_algs);
1613 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
1614 
1615 #if defined(MBEDTLS_ECP_C) && !defined(MBEDTLS_DEPRECATED_REMOVED)
1617 #endif
1619  const uint16_t *MBEDTLS_PRIVATE(group_list);
1621 #if defined(MBEDTLS_DHM_C)
1623  mbedtls_mpi MBEDTLS_PRIVATE(dhm_G);
1624 #endif
1626 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
1627 
1628 #if defined(MBEDTLS_USE_PSA_CRYPTO)
1635 #endif /* MBEDTLS_USE_PSA_CRYPTO */
1636  unsigned char *MBEDTLS_PRIVATE(psk);
1640  size_t MBEDTLS_PRIVATE(psk_len);
1646  unsigned char *MBEDTLS_PRIVATE(psk_identity);
1651  size_t MBEDTLS_PRIVATE(psk_identity_len);
1657 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */
1658 
1659 #if defined(MBEDTLS_SSL_EARLY_DATA)
1660  int MBEDTLS_PRIVATE(early_data_enabled);
1664 #if defined(MBEDTLS_SSL_SRV_C)
1665  /* The maximum amount of 0-RTT data. RFC 8446 section 4.6.1 */
1666  uint32_t MBEDTLS_PRIVATE(max_early_data_size);
1667 #endif /* MBEDTLS_SSL_SRV_C */
1668 
1669 #endif /* MBEDTLS_SSL_EARLY_DATA */
1670 
1671 #if defined(MBEDTLS_SSL_ALPN)
1672  const char **MBEDTLS_PRIVATE(alpn_list);
1673 #endif
1674 
1675 #if defined(MBEDTLS_SSL_DTLS_SRTP)
1676 
1677  const mbedtls_ssl_srtp_profile *MBEDTLS_PRIVATE(dtls_srtp_profile_list);
1679  size_t MBEDTLS_PRIVATE(dtls_srtp_profile_list_len);
1680 #endif /* MBEDTLS_SSL_DTLS_SRTP */
1681 
1682  /*
1683  * Numerical settings (int)
1684  */
1686  uint32_t MBEDTLS_PRIVATE(read_timeout);
1688 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1689  uint32_t MBEDTLS_PRIVATE(hs_timeout_min);
1691  uint32_t MBEDTLS_PRIVATE(hs_timeout_max);
1693 #endif
1694 
1695 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1696  int MBEDTLS_PRIVATE(renego_max_records);
1697  unsigned char MBEDTLS_PRIVATE(renego_period)[8];
1699 #endif
1700 
1701  unsigned int MBEDTLS_PRIVATE(badmac_limit);
1703 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_CLI_C)
1704  unsigned int MBEDTLS_PRIVATE(dhm_min_bitlen);
1705 #endif
1706 
1713 
1714 #if defined(MBEDTLS_SSL_SRV_C)
1716 #endif /* MBEDTLS_SSL_SRV_C */
1717 
1718 #if defined(MBEDTLS_KEY_EXCHANGE_CERT_REQ_ALLOWED_ENABLED)
1719  const mbedtls_x509_crt *MBEDTLS_PRIVATE(dn_hints);
1720 #endif
1721 };
1722 
1723 struct mbedtls_ssl_context {
1724  const mbedtls_ssl_config *MBEDTLS_PRIVATE(conf);
1726  /*
1727  * Miscellaneous
1728  */
1729  int MBEDTLS_PRIVATE(state);
1730 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1731  int MBEDTLS_PRIVATE(renego_status);
1732  int MBEDTLS_PRIVATE(renego_records_seen);
1735 #endif /* MBEDTLS_SSL_RENEGOTIATION */
1736 
1754 
1755 #if defined(MBEDTLS_SSL_EARLY_DATA) && defined(MBEDTLS_SSL_CLI_C)
1756 
1760  int MBEDTLS_PRIVATE(early_data_state);
1761 #endif
1762 
1772  unsigned MBEDTLS_PRIVATE(badmac_seen_or_in_hsfraglen);
1773 
1774 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1775 
1776  int(*MBEDTLS_PRIVATE(f_vrfy))(void *, mbedtls_x509_crt *, int, uint32_t *);
1777  void *MBEDTLS_PRIVATE(p_vrfy);
1778 #endif
1779 
1785  void *MBEDTLS_PRIVATE(p_bio);
1787  /*
1788  * Session layer
1789  */
1790  mbedtls_ssl_session *MBEDTLS_PRIVATE(session_in);
1791  mbedtls_ssl_session *MBEDTLS_PRIVATE(session_out);
1792  mbedtls_ssl_session *MBEDTLS_PRIVATE(session);
1793  mbedtls_ssl_session *MBEDTLS_PRIVATE(session_negotiate);
1798  /*
1799  * Record layer transformations
1800  */
1804  mbedtls_ssl_transform *MBEDTLS_PRIVATE(transform_out);
1810 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
1811  mbedtls_ssl_transform *MBEDTLS_PRIVATE(transform_negotiate);
1814 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
1815 
1816 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
1819  mbedtls_ssl_transform *MBEDTLS_PRIVATE(transform_application);
1820 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
1821 
1822  /*
1823  * Timers
1824  */
1825  void *MBEDTLS_PRIVATE(p_timer);
1830  /*
1831  * Record layer (incoming data)
1832  */
1833  unsigned char *MBEDTLS_PRIVATE(in_buf);
1834  unsigned char *MBEDTLS_PRIVATE(in_ctr);
1837  unsigned char *MBEDTLS_PRIVATE(in_hdr);
1838 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1839  unsigned char *MBEDTLS_PRIVATE(in_cid);
1841 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1842  unsigned char *MBEDTLS_PRIVATE(in_len);
1843  unsigned char *MBEDTLS_PRIVATE(in_iv);
1844  unsigned char *MBEDTLS_PRIVATE(in_msg);
1845  unsigned char *MBEDTLS_PRIVATE(in_offt);
1847  int MBEDTLS_PRIVATE(in_msgtype);
1848  size_t MBEDTLS_PRIVATE(in_msglen);
1849  size_t MBEDTLS_PRIVATE(in_left);
1850 #if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
1851  size_t MBEDTLS_PRIVATE(in_buf_len);
1852 #endif
1853 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1854  uint16_t MBEDTLS_PRIVATE(in_epoch);
1855  size_t MBEDTLS_PRIVATE(next_record_offset);
1857 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1858 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
1859  uint64_t MBEDTLS_PRIVATE(in_window_top);
1860  uint64_t MBEDTLS_PRIVATE(in_window);
1861 #endif /* MBEDTLS_SSL_DTLS_ANTI_REPLAY */
1862 
1863  size_t MBEDTLS_PRIVATE(in_hslen);
1865  int MBEDTLS_PRIVATE(nb_zero);
1867  int MBEDTLS_PRIVATE(keep_current_message);
1870  /* The following three variables indicate if and, if yes,
1871  * what kind of alert is pending to be sent.
1872  */
1873  unsigned char MBEDTLS_PRIVATE(send_alert);
1877  unsigned char MBEDTLS_PRIVATE(alert_type);
1879  int MBEDTLS_PRIVATE(alert_reason);
1883 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1884  uint8_t MBEDTLS_PRIVATE(disable_datagram_packing);
1886 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1887 
1888 #if defined(MBEDTLS_SSL_EARLY_DATA)
1889 #if defined(MBEDTLS_SSL_SRV_C)
1890  /*
1891  * One of:
1892  * MBEDTLS_SSL_EARLY_DATA_NO_DISCARD
1893  * MBEDTLS_SSL_EARLY_DATA_TRY_TO_DEPROTECT_AND_DISCARD
1894  * MBEDTLS_SSL_EARLY_DATA_DISCARD
1895  */
1896  uint8_t MBEDTLS_PRIVATE(discard_early_data_record);
1897 #endif
1898  uint32_t MBEDTLS_PRIVATE(total_early_data_size);
1899 #endif /* MBEDTLS_SSL_EARLY_DATA */
1900 
1901  /*
1902  * Record layer (outgoing data)
1903  */
1904  unsigned char *MBEDTLS_PRIVATE(out_buf);
1905  unsigned char *MBEDTLS_PRIVATE(out_ctr);
1906  unsigned char *MBEDTLS_PRIVATE(out_hdr);
1907 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1908  unsigned char *MBEDTLS_PRIVATE(out_cid);
1910 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1911  unsigned char *MBEDTLS_PRIVATE(out_len);
1912  unsigned char *MBEDTLS_PRIVATE(out_iv);
1913  unsigned char *MBEDTLS_PRIVATE(out_msg);
1915  int MBEDTLS_PRIVATE(out_msgtype);
1916  size_t MBEDTLS_PRIVATE(out_msglen);
1917  size_t MBEDTLS_PRIVATE(out_left);
1918 #if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
1919  size_t MBEDTLS_PRIVATE(out_buf_len);
1920 #endif
1922  unsigned char MBEDTLS_PRIVATE(cur_out_ctr)[MBEDTLS_SSL_SEQUENCE_NUMBER_LEN];
1924 #if defined(MBEDTLS_SSL_PROTO_DTLS)
1925  uint16_t MBEDTLS_PRIVATE(mtu);
1926 #endif /* MBEDTLS_SSL_PROTO_DTLS */
1927 
1928  /*
1929  * User settings
1930  */
1931 #if defined(MBEDTLS_X509_CRT_PARSE_C)
1932 
1960  char *MBEDTLS_PRIVATE(hostname);
1961 #endif /* MBEDTLS_X509_CRT_PARSE_C */
1962 
1963 #if defined(MBEDTLS_SSL_ALPN)
1964  const char *MBEDTLS_PRIVATE(alpn_chosen);
1965 #endif /* MBEDTLS_SSL_ALPN */
1967 #if defined(MBEDTLS_SSL_DTLS_SRTP)
1968  /*
1969  * use_srtp extension
1970  */
1971  mbedtls_dtls_srtp_info MBEDTLS_PRIVATE(dtls_srtp_info);
1972 #endif /* MBEDTLS_SSL_DTLS_SRTP */
1973 
1974  /*
1975  * Information for DTLS hello verify
1976  */
1977 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
1978  unsigned char *MBEDTLS_PRIVATE(cli_id);
1979  size_t MBEDTLS_PRIVATE(cli_id_len);
1980 #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY && MBEDTLS_SSL_SRV_C */
1981 
1982  /*
1983  * Secure renegotiation
1984  */
1985  /* needed to know when to send extension on server */
1986  int MBEDTLS_PRIVATE(secure_renegotiation);
1988 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1989  size_t MBEDTLS_PRIVATE(verify_data_len);
1990  char MBEDTLS_PRIVATE(own_verify_data)[MBEDTLS_SSL_VERIFY_DATA_MAX_LEN];
1991  char MBEDTLS_PRIVATE(peer_verify_data)[MBEDTLS_SSL_VERIFY_DATA_MAX_LEN];
1992 #endif /* MBEDTLS_SSL_RENEGOTIATION */
1993 
1994 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1995  /* CID configuration to use in subsequent handshakes. */
2001  unsigned char MBEDTLS_PRIVATE(own_cid)[MBEDTLS_SSL_CID_IN_LEN_MAX];
2002  uint8_t MBEDTLS_PRIVATE(own_cid_len);
2003  uint8_t MBEDTLS_PRIVATE(negotiate_cid);
2007 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
2011  void *MBEDTLS_PRIVATE(p_export_keys);
2023 };
2024 
2033 const char *mbedtls_ssl_get_ciphersuite_name(const int ciphersuite_id);
2034 
2043 int mbedtls_ssl_get_ciphersuite_id(const char *ciphersuite_name);
2044 
2052 void mbedtls_ssl_init(mbedtls_ssl_context *ssl);
2053 
2086 int mbedtls_ssl_setup(mbedtls_ssl_context *ssl,
2087  const mbedtls_ssl_config *conf);
2088 
2098 int mbedtls_ssl_session_reset(mbedtls_ssl_context *ssl);
2099 
2106 void mbedtls_ssl_conf_endpoint(mbedtls_ssl_config *conf, int endpoint);
2107 
2116 static inline int mbedtls_ssl_conf_get_endpoint(const mbedtls_ssl_config *conf)
2117 {
2118  return conf->MBEDTLS_PRIVATE(endpoint);
2119 }
2120 
2135 void mbedtls_ssl_conf_transport(mbedtls_ssl_config *conf, int transport);
2136 
2163 void mbedtls_ssl_conf_authmode(mbedtls_ssl_config *conf, int authmode);
2164 
2165 #if defined(MBEDTLS_SSL_EARLY_DATA)
2166 
2192 void mbedtls_ssl_conf_early_data(mbedtls_ssl_config *conf,
2193  int early_data_enabled);
2194 
2195 #if defined(MBEDTLS_SSL_SRV_C)
2196 
2220 void mbedtls_ssl_conf_max_early_data_size(
2221  mbedtls_ssl_config *conf, uint32_t max_early_data_size);
2222 #endif /* MBEDTLS_SSL_SRV_C */
2223 
2224 #endif /* MBEDTLS_SSL_EARLY_DATA */
2225 
2226 #if defined(MBEDTLS_X509_CRT_PARSE_C)
2227 
2243  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
2244  void *p_vrfy);
2245 #endif /* MBEDTLS_X509_CRT_PARSE_C */
2246 
2255  int (*f_rng)(void *, unsigned char *, size_t),
2256  void *p_rng);
2257 
2273  void (*f_dbg)(void *, int, const char *, int, const char *),
2274  void *p_dbg);
2275 
2287  const mbedtls_ssl_context *ssl)
2288 {
2289  return ssl->MBEDTLS_PRIVATE(conf);
2290 }
2291 
2322 void mbedtls_ssl_set_bio(mbedtls_ssl_context *ssl,
2323  void *p_bio,
2324  mbedtls_ssl_send_t *f_send,
2325  mbedtls_ssl_recv_t *f_recv,
2326  mbedtls_ssl_recv_timeout_t *f_recv_timeout);
2327 
2328 #if defined(MBEDTLS_SSL_PROTO_DTLS)
2329 
2330 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
2331 
2332 
2417 int mbedtls_ssl_set_cid(mbedtls_ssl_context *ssl,
2418  int enable,
2419  unsigned char const *own_cid,
2420  size_t own_cid_len);
2421 
2451 int mbedtls_ssl_get_own_cid(mbedtls_ssl_context *ssl,
2452  int *enabled,
2453  unsigned char own_cid[MBEDTLS_SSL_CID_IN_LEN_MAX],
2454  size_t *own_cid_len);
2455 
2493 int mbedtls_ssl_get_peer_cid(mbedtls_ssl_context *ssl,
2494  int *enabled,
2495  unsigned char peer_cid[MBEDTLS_SSL_CID_OUT_LEN_MAX],
2496  size_t *peer_cid_len);
2497 
2498 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
2499 
2539 void mbedtls_ssl_set_mtu(mbedtls_ssl_context *ssl, uint16_t mtu);
2540 #endif /* MBEDTLS_SSL_PROTO_DTLS */
2541 
2542 #if defined(MBEDTLS_X509_CRT_PARSE_C)
2543 
2561 void mbedtls_ssl_set_verify(mbedtls_ssl_context *ssl,
2562  int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
2563  void *p_vrfy);
2564 #endif /* MBEDTLS_X509_CRT_PARSE_C */
2565 
2582 void mbedtls_ssl_conf_read_timeout(mbedtls_ssl_config *conf, uint32_t timeout);
2583 
2628 int mbedtls_ssl_check_record(mbedtls_ssl_context const *ssl,
2629  unsigned char *buf,
2630  size_t buflen);
2631 
2652 void mbedtls_ssl_set_timer_cb(mbedtls_ssl_context *ssl,
2653  void *p_timer,
2654  mbedtls_ssl_set_timer_t *f_set_timer,
2655  mbedtls_ssl_get_timer_t *f_get_timer);
2656 
2657 #if defined(MBEDTLS_SSL_SRV_C)
2658 
2668 static inline void mbedtls_ssl_conf_cert_cb(mbedtls_ssl_config *conf,
2669  mbedtls_ssl_hs_cb_t f_cert_cb)
2670 {
2671  conf->MBEDTLS_PRIVATE(f_cert_cb) = f_cert_cb;
2672 }
2673 #endif /* MBEDTLS_SSL_SRV_C */
2694 typedef int mbedtls_ssl_ticket_write_t(void *p_ticket,
2695  const mbedtls_ssl_session *session,
2696  unsigned char *start,
2697  const unsigned char *end,
2698  size_t *tlen,
2699  uint32_t *lifetime);
2724 typedef int mbedtls_ssl_ticket_parse_t(void *p_ticket,
2725  mbedtls_ssl_session *session,
2726  unsigned char *buf,
2727  size_t len);
2728 
2729 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_SRV_C)
2745  mbedtls_ssl_ticket_write_t *f_ticket_write,
2746  mbedtls_ssl_ticket_parse_t *f_ticket_parse,
2747  void *p_ticket);
2748 
2749 #if defined(MBEDTLS_HAVE_TIME)
2750 
2764  mbedtls_ssl_session *session, mbedtls_ms_time_t *ticket_creation_time)
2765 {
2766  if (session == NULL || ticket_creation_time == NULL ||
2767  session->MBEDTLS_PRIVATE(endpoint) != MBEDTLS_SSL_IS_SERVER) {
2769  }
2770 
2771  *ticket_creation_time = session->MBEDTLS_PRIVATE(ticket_creation_time);
2772 
2773  return 0;
2774 }
2775 #endif /* MBEDTLS_HAVE_TIME */
2776 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_SRV_C */
2777 
2785 static inline unsigned const char (*mbedtls_ssl_session_get_id(const mbedtls_ssl_session *
2786  session))[32]
2787 {
2788  return &session->MBEDTLS_PRIVATE(id);
2789 }
2790 
2798 static inline size_t mbedtls_ssl_session_get_id_len(const mbedtls_ssl_session *session)
2799 {
2800  return session->MBEDTLS_PRIVATE(id_len);
2801 }
2802 
2810 static inline int mbedtls_ssl_session_get_ciphersuite_id(const mbedtls_ssl_session *session)
2811 {
2812  return session->MBEDTLS_PRIVATE(ciphersuite);
2813 }
2814 
2833 void mbedtls_ssl_set_export_keys_cb(mbedtls_ssl_context *ssl,
2834  mbedtls_ssl_export_keys_t *f_export_keys,
2835  void *p_export_keys);
2836 
2847 static inline void mbedtls_ssl_conf_set_user_data_p(
2848  mbedtls_ssl_config *conf,
2849  void *p)
2850 {
2851  conf->MBEDTLS_PRIVATE(user_data).p = p;
2852 }
2861 static inline void mbedtls_ssl_conf_set_user_data_n(
2862  mbedtls_ssl_config *conf,
2863  uintptr_t n)
2864 {
2865  conf->MBEDTLS_PRIVATE(user_data).n = n;
2866 }
2878 static inline void *mbedtls_ssl_conf_get_user_data_p(
2879  mbedtls_ssl_config *conf)
2880 {
2881  return conf->MBEDTLS_PRIVATE(user_data).p;
2882 }
2883 
2894 static inline uintptr_t mbedtls_ssl_conf_get_user_data_n(
2895  mbedtls_ssl_config *conf)
2896 {
2897  return conf->MBEDTLS_PRIVATE(user_data).n;
2898 }
2899 
2910 static inline void mbedtls_ssl_set_user_data_p(
2911  mbedtls_ssl_context *ssl,
2912  void *p)
2913 {
2914  ssl->MBEDTLS_PRIVATE(user_data).p = p;
2915 }
2924 static inline void mbedtls_ssl_set_user_data_n(
2925  mbedtls_ssl_context *ssl,
2926  uintptr_t n)
2927 {
2928  ssl->MBEDTLS_PRIVATE(user_data).n = n;
2929 }
2941 static inline void *mbedtls_ssl_get_user_data_p(
2942  mbedtls_ssl_context *ssl)
2943 {
2944  return ssl->MBEDTLS_PRIVATE(user_data).p;
2945 }
2946 
2957 static inline uintptr_t mbedtls_ssl_get_user_data_n(
2958  mbedtls_ssl_context *ssl)
2959 {
2960  return ssl->MBEDTLS_PRIVATE(user_data).n;
2961 }
2962 
2963 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
2964 
2994 void mbedtls_ssl_conf_async_private_cb(mbedtls_ssl_config *conf,
2995  mbedtls_ssl_async_sign_t *f_async_sign,
2996  mbedtls_ssl_async_decrypt_t *f_async_decrypt,
2997  mbedtls_ssl_async_resume_t *f_async_resume,
2998  mbedtls_ssl_async_cancel_t *f_async_cancel,
2999  void *config_data);
3000 
3009 void *mbedtls_ssl_conf_get_async_config_data(const mbedtls_ssl_config *conf);
3010 
3025 void *mbedtls_ssl_get_async_operation_data(const mbedtls_ssl_context *ssl);
3026 
3038 void mbedtls_ssl_set_async_operation_data(mbedtls_ssl_context *ssl,
3039  void *ctx);
3040 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
3041 
3056 typedef int mbedtls_ssl_cookie_write_t(void *ctx,
3057  unsigned char **p, unsigned char *end,
3058  const unsigned char *info, size_t ilen);
3059 
3073 typedef int mbedtls_ssl_cookie_check_t(void *ctx,
3074  const unsigned char *cookie, size_t clen,
3075  const unsigned char *info, size_t ilen);
3076 
3077 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
3078 
3107  mbedtls_ssl_cookie_write_t *f_cookie_write,
3108  mbedtls_ssl_cookie_check_t *f_cookie_check,
3109  void *p_cookie);
3110 
3130 int mbedtls_ssl_set_client_transport_id(mbedtls_ssl_context *ssl,
3131  const unsigned char *info,
3132  size_t ilen);
3133 
3134 #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY && MBEDTLS_SSL_SRV_C */
3135 
3136 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
3137 
3153 #endif /* MBEDTLS_SSL_DTLS_ANTI_REPLAY */
3154 
3178 void mbedtls_ssl_conf_dtls_badmac_limit(mbedtls_ssl_config *conf, unsigned limit);
3179 
3180 #if defined(MBEDTLS_SSL_PROTO_DTLS)
3181 
3210 void mbedtls_ssl_set_datagram_packing(mbedtls_ssl_context *ssl,
3211  unsigned allow_packing);
3212 
3244 void mbedtls_ssl_conf_handshake_timeout(mbedtls_ssl_config *conf, uint32_t min, uint32_t max);
3245 #endif /* MBEDTLS_SSL_PROTO_DTLS */
3246 
3247 #if defined(MBEDTLS_SSL_SRV_C)
3248 
3286  void *p_cache,
3287  mbedtls_ssl_cache_get_t *f_get_cache,
3288  mbedtls_ssl_cache_set_t *f_set_cache);
3289 #endif /* MBEDTLS_SSL_SRV_C */
3290 
3291 #if defined(MBEDTLS_SSL_CLI_C)
3292 
3338 int mbedtls_ssl_set_session(mbedtls_ssl_context *ssl, const mbedtls_ssl_session *session);
3339 #endif /* MBEDTLS_SSL_CLI_C */
3340 
3373 int mbedtls_ssl_session_load(mbedtls_ssl_session *session,
3374  const unsigned char *buf,
3375  size_t len);
3376 
3410 int mbedtls_ssl_session_save(const mbedtls_ssl_session *session,
3411  unsigned char *buf,
3412  size_t buf_len,
3413  size_t *olen);
3414 
3457  const int *ciphersuites);
3458 
3459 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
3460 
3503  const int kex_modes);
3504 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
3505 
3506 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
3507 #define MBEDTLS_SSL_UNEXPECTED_CID_IGNORE 0
3508 #define MBEDTLS_SSL_UNEXPECTED_CID_FAIL 1
3509 
3541 int mbedtls_ssl_conf_cid(mbedtls_ssl_config *conf, size_t len,
3542  int ignore_other_cids);
3543 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
3544 
3545 #if defined(MBEDTLS_X509_CRT_PARSE_C)
3546 
3557  const mbedtls_x509_crt_profile *profile);
3558 
3571  mbedtls_x509_crt *ca_chain,
3572  mbedtls_x509_crl *ca_crl);
3573 
3574 #if defined(MBEDTLS_KEY_EXCHANGE_CERT_REQ_ALLOWED_ENABLED)
3575 
3586 static inline
3588  const mbedtls_x509_crt *crt)
3589 {
3590  conf->MBEDTLS_PRIVATE(dn_hints) = crt;
3591 }
3592 #endif /* MBEDTLS_KEY_EXCHANGE_CERT_REQ_ALLOWED_ENABLED */
3594 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
3595 
3646 void mbedtls_ssl_conf_ca_cb(mbedtls_ssl_config *conf,
3647  mbedtls_x509_crt_ca_cb_t f_ca_cb,
3648  void *p_ca_cb);
3649 #endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
3650 
3688  mbedtls_x509_crt *own_cert,
3689  mbedtls_pk_context *pk_key);
3690 #endif /* MBEDTLS_X509_CRT_PARSE_C */
3691 
3692 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
3693 
3726  const unsigned char *psk, size_t psk_len,
3727  const unsigned char *psk_identity, size_t psk_identity_len);
3728 
3729 #if defined(MBEDTLS_USE_PSA_CRYPTO)
3730 
3767 int mbedtls_ssl_conf_psk_opaque(mbedtls_ssl_config *conf,
3769  const unsigned char *psk_identity,
3770  size_t psk_identity_len);
3771 #endif /* MBEDTLS_USE_PSA_CRYPTO */
3772 
3789 int mbedtls_ssl_set_hs_psk(mbedtls_ssl_context *ssl,
3790  const unsigned char *psk, size_t psk_len);
3791 
3792 #if defined(MBEDTLS_USE_PSA_CRYPTO)
3793 
3813 int mbedtls_ssl_set_hs_psk_opaque(mbedtls_ssl_context *ssl,
3814  mbedtls_svc_key_id_t psk);
3815 #endif /* MBEDTLS_USE_PSA_CRYPTO */
3816 
3817 #if defined(MBEDTLS_SSL_SRV_C)
3818 
3857  int (*f_psk)(void *, mbedtls_ssl_context *, const unsigned char *,
3858  size_t),
3859  void *p_psk);
3860 #endif /* MBEDTLS_SSL_SRV_C */
3861 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */
3862 
3863 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_SRV_C)
3864 
3878  const unsigned char *dhm_P, size_t P_len,
3879  const unsigned char *dhm_G, size_t G_len);
3880 
3891 #endif /* MBEDTLS_DHM_C && defined(MBEDTLS_SSL_SRV_C) */
3892 
3893 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_SSL_CLI_C)
3894 
3903  unsigned int bitlen);
3904 #endif /* MBEDTLS_DHM_C && MBEDTLS_SSL_CLI_C */
3905 
3906 #if defined(MBEDTLS_ECP_C)
3907 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
3908 
3950  const mbedtls_ecp_group_id *curves);
3951 #endif /* MBEDTLS_DEPRECATED_REMOVED */
3952 #endif /* MBEDTLS_ECP_C */
3953 
3992  const uint16_t *groups);
3993 
3994 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
3995 #if !defined(MBEDTLS_DEPRECATED_REMOVED) && defined(MBEDTLS_SSL_PROTO_TLS1_2)
3996 
4028  const int *hashes);
4029 #endif /* !MBEDTLS_DEPRECATED_REMOVED && MBEDTLS_SSL_PROTO_TLS1_2 */
4030 
4044  const uint16_t *sig_algs);
4045 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
4046 
4047 #if defined(MBEDTLS_X509_CRT_PARSE_C)
4048 
4079 int mbedtls_ssl_set_hostname(mbedtls_ssl_context *ssl, const char *hostname);
4080 
4091 static inline const char *mbedtls_ssl_get_hostname(mbedtls_ssl_context *ssl)
4092 {
4093  return ssl->MBEDTLS_PRIVATE(hostname);
4094 }
4095 #endif /* MBEDTLS_X509_CRT_PARSE_C */
4096 
4097 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
4098 
4116 const unsigned char *mbedtls_ssl_get_hs_sni(mbedtls_ssl_context *ssl,
4117  size_t *name_len);
4118 
4134 int mbedtls_ssl_set_hs_own_cert(mbedtls_ssl_context *ssl,
4135  mbedtls_x509_crt *own_cert,
4136  mbedtls_pk_context *pk_key);
4137 
4149 void mbedtls_ssl_set_hs_ca_chain(mbedtls_ssl_context *ssl,
4150  mbedtls_x509_crt *ca_chain,
4151  mbedtls_x509_crl *ca_crl);
4152 
4153 #if defined(MBEDTLS_KEY_EXCHANGE_CERT_REQ_ALLOWED_ENABLED)
4154 
4164 void mbedtls_ssl_set_hs_dn_hints(mbedtls_ssl_context *ssl,
4165  const mbedtls_x509_crt *crt);
4166 #endif /* MBEDTLS_KEY_EXCHANGE_CERT_REQ_ALLOWED_ENABLED */
4167 
4178 void mbedtls_ssl_set_hs_authmode(mbedtls_ssl_context *ssl,
4179  int authmode);
4180 
4204  int (*f_sni)(void *, mbedtls_ssl_context *, const unsigned char *,
4205  size_t),
4206  void *p_sni);
4207 #endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */
4208 
4209 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
4210 
4228 int mbedtls_ssl_set_hs_ecjpake_password(mbedtls_ssl_context *ssl,
4229  const unsigned char *pw,
4230  size_t pw_len);
4231 
4246 int mbedtls_ssl_set_hs_ecjpake_password_opaque(mbedtls_ssl_context *ssl,
4247  mbedtls_svc_key_id_t pwd);
4248 #endif /*MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
4249 
4250 #if defined(MBEDTLS_SSL_ALPN)
4251 
4263 int mbedtls_ssl_conf_alpn_protocols(mbedtls_ssl_config *conf, const char **protos);
4264 
4274 const char *mbedtls_ssl_get_alpn_protocol(const mbedtls_ssl_context *ssl);
4275 #endif /* MBEDTLS_SSL_ALPN */
4276 
4277 #if defined(MBEDTLS_SSL_DTLS_SRTP)
4278 #if defined(MBEDTLS_DEBUG_C)
4279 static inline const char *mbedtls_ssl_get_srtp_profile_as_string(mbedtls_ssl_srtp_profile profile)
4280 {
4281  switch (profile) {
4283  return "MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80";
4285  return "MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32";
4287  return "MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80";
4289  return "MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32";
4290  default: break;
4291  }
4292  return "";
4293 }
4294 #endif /* MBEDTLS_DEBUG_C */
4295 
4309  int support_mki_value);
4310 
4331  (mbedtls_ssl_config *conf,
4332  const mbedtls_ssl_srtp_profile *profiles);
4333 
4350 int mbedtls_ssl_dtls_srtp_set_mki_value(mbedtls_ssl_context *ssl,
4351  unsigned char *mki_value,
4352  uint16_t mki_len);
4371 void mbedtls_ssl_get_dtls_srtp_negotiation_result(const mbedtls_ssl_context *ssl,
4372  mbedtls_dtls_srtp_info *dtls_srtp_info);
4373 #endif /* MBEDTLS_SSL_DTLS_SRTP */
4374 
4375 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
4376 
4394  int minor);
4395 #endif /* MBEDTLS_DEPRECATED_REMOVED */
4396 
4409 static inline void mbedtls_ssl_conf_max_tls_version(mbedtls_ssl_config *conf,
4410  mbedtls_ssl_protocol_version tls_version)
4411 {
4412  conf->MBEDTLS_PRIVATE(max_tls_version) = tls_version;
4413 }
4414 
4415 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
4416 
4451  int minor);
4452 #endif /* MBEDTLS_DEPRECATED_REMOVED */
4453 
4466 static inline void mbedtls_ssl_conf_min_tls_version(mbedtls_ssl_config *conf,
4467  mbedtls_ssl_protocol_version tls_version)
4468 {
4469  conf->MBEDTLS_PRIVATE(min_tls_version) = tls_version;
4470 }
4471 
4472 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
4473 
4485 #endif /* MBEDTLS_SSL_ENCRYPT_THEN_MAC */
4486 
4487 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
4488 
4500 #endif /* MBEDTLS_SSL_EXTENDED_MASTER_SECRET */
4501 
4502 #if defined(MBEDTLS_SSL_SRV_C)
4503 
4513  char cert_req_ca_list);
4514 #endif /* MBEDTLS_SSL_SRV_C */
4515 
4516 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
4517 
4555 int mbedtls_ssl_conf_max_frag_len(mbedtls_ssl_config *conf, unsigned char mfl_code);
4556 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
4557 
4558 #if defined(MBEDTLS_SSL_SRV_C)
4559 
4569 #endif /* MBEDTLS_SSL_SRV_C */
4570 
4571 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C)
4572 
4582 void mbedtls_ssl_conf_session_tickets(mbedtls_ssl_config *conf, int use_tickets);
4583 
4584 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
4585 
4611  mbedtls_ssl_config *conf, int signal_new_session_tickets);
4612 
4613 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
4614 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_CLI_C */
4615 
4616 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && \
4617  defined(MBEDTLS_SSL_SRV_C) && \
4618  defined(MBEDTLS_SSL_PROTO_TLS1_3)
4619 
4637  uint16_t num_tickets);
4638 #endif /* MBEDTLS_SSL_SESSION_TICKETS &&
4639  MBEDTLS_SSL_SRV_C &&
4640  MBEDTLS_SSL_PROTO_TLS1_3*/
4641 
4642 #if defined(MBEDTLS_SSL_RENEGOTIATION)
4643 
4660 void mbedtls_ssl_conf_renegotiation(mbedtls_ssl_config *conf, int renegotiation);
4661 #endif /* MBEDTLS_SSL_RENEGOTIATION */
4662 
4690 void mbedtls_ssl_conf_legacy_renegotiation(mbedtls_ssl_config *conf, int allow_legacy);
4691 
4692 #if defined(MBEDTLS_SSL_RENEGOTIATION)
4693 
4730 void mbedtls_ssl_conf_renegotiation_enforced(mbedtls_ssl_config *conf, int max_records);
4731 
4758  const unsigned char period[8]);
4759 #endif /* MBEDTLS_SSL_RENEGOTIATION */
4760 
4799 int mbedtls_ssl_check_pending(const mbedtls_ssl_context *ssl);
4800 
4816 size_t mbedtls_ssl_get_bytes_avail(const mbedtls_ssl_context *ssl);
4817 
4830 uint32_t mbedtls_ssl_get_verify_result(const mbedtls_ssl_context *ssl);
4831 
4839 int mbedtls_ssl_get_ciphersuite_id_from_ssl(const mbedtls_ssl_context *ssl);
4840 
4848 const char *mbedtls_ssl_get_ciphersuite(const mbedtls_ssl_context *ssl);
4849 
4850 
4863  const mbedtls_ssl_context *ssl)
4864 {
4865  return ssl->MBEDTLS_PRIVATE(tls_version);
4866 }
4867 
4875 const char *mbedtls_ssl_get_version(const mbedtls_ssl_context *ssl);
4876 
4885 int mbedtls_ssl_get_record_expansion(const mbedtls_ssl_context *ssl);
4886 
4912 int mbedtls_ssl_get_max_out_record_payload(const mbedtls_ssl_context *ssl);
4913 
4932 int mbedtls_ssl_get_max_in_record_payload(const mbedtls_ssl_context *ssl);
4933 
4934 #if defined(MBEDTLS_X509_CRT_PARSE_C)
4935 
4965 const mbedtls_x509_crt *mbedtls_ssl_get_peer_cert(const mbedtls_ssl_context *ssl);
4966 #endif /* MBEDTLS_X509_CRT_PARSE_C */
4967 
4968 #if defined(MBEDTLS_SSL_CLI_C)
4969 
4996 int mbedtls_ssl_get_session(const mbedtls_ssl_context *ssl,
4997  mbedtls_ssl_session *session);
4998 #endif /* MBEDTLS_SSL_CLI_C */
4999 
5089 int mbedtls_ssl_handshake(mbedtls_ssl_context *ssl);
5090 
5102 static inline int mbedtls_ssl_is_handshake_over(mbedtls_ssl_context *ssl)
5103 {
5104  return ssl->MBEDTLS_PRIVATE(state) >= MBEDTLS_SSL_HANDSHAKE_OVER;
5105 }
5106 
5142 int mbedtls_ssl_handshake_step(mbedtls_ssl_context *ssl);
5143 
5144 #if defined(MBEDTLS_SSL_RENEGOTIATION)
5145 
5168 int mbedtls_ssl_renegotiate(mbedtls_ssl_context *ssl);
5169 #endif /* MBEDTLS_SSL_RENEGOTIATION */
5170 
5268 int mbedtls_ssl_read(mbedtls_ssl_context *ssl, unsigned char *buf, size_t len);
5269 
5343 int mbedtls_ssl_write(mbedtls_ssl_context *ssl, const unsigned char *buf, size_t len);
5344 
5361 int mbedtls_ssl_send_alert_message(mbedtls_ssl_context *ssl,
5362  unsigned char level,
5363  unsigned char message);
5377 int mbedtls_ssl_close_notify(mbedtls_ssl_context *ssl);
5378 
5379 #if defined(MBEDTLS_SSL_EARLY_DATA)
5380 
5381 #if defined(MBEDTLS_SSL_SRV_C)
5382 
5429 int mbedtls_ssl_read_early_data(mbedtls_ssl_context *ssl,
5430  unsigned char *buf, size_t len);
5431 #endif /* MBEDTLS_SSL_SRV_C */
5432 
5433 #if defined(MBEDTLS_SSL_CLI_C)
5434 
5518 int mbedtls_ssl_write_early_data(mbedtls_ssl_context *ssl,
5519  const unsigned char *buf, size_t len);
5520 
5547 int mbedtls_ssl_get_early_data_status(mbedtls_ssl_context *ssl);
5548 #endif /* MBEDTLS_SSL_CLI_C */
5549 
5550 #endif /* MBEDTLS_SSL_EARLY_DATA */
5551 
5557 void mbedtls_ssl_free(mbedtls_ssl_context *ssl);
5558 
5559 #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
5560 
5616 int mbedtls_ssl_context_save(mbedtls_ssl_context *ssl,
5617  unsigned char *buf,
5618  size_t buf_len,
5619  size_t *olen);
5620 
5689 int mbedtls_ssl_context_load(mbedtls_ssl_context *ssl,
5690  const unsigned char *buf,
5691  size_t len);
5692 #endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */
5693 
5705 
5722  int endpoint, int transport, int preset);
5723 
5730 
5736 void mbedtls_ssl_session_init(mbedtls_ssl_session *session);
5737 
5747 void mbedtls_ssl_session_free(mbedtls_ssl_session *session);
5748 
5765  const unsigned char *secret, size_t slen,
5766  const char *label,
5767  const unsigned char *random, size_t rlen,
5768  unsigned char *dstbuf, size_t dlen);
5769 
5770 #ifdef __cplusplus
5771 }
5772 #endif
5773 
5774 #endif /* ssl.h */
unsigned char _pms_ecdhe_psk[4+MBEDTLS_ECP_MAX_BYTES +MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:723
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.
const unsigned char * mbedtls_ssl_get_hs_sni(mbedtls_ssl_context *ssl, size_t *name_len)
Retrieve SNI extension value for the current handshake. Available in f_cert_cb of mbedtls_ssl_conf_ce...
Public key container.
Definition: pk.h:220
#define MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80
Definition: ssl.h:1236
void mbedtls_ssl_set_hs_ca_chain(mbedtls_ssl_context *ssl, mbedtls_x509_crt *ca_chain, mbedtls_x509_crl *ca_crl)
Set the data required to verify peer certificate for the current handshake.
int mbedtls_ssl_ticket_parse_t(void *p_ticket, mbedtls_ssl_session *session, unsigned char *buf, size_t len)
Callback type: parse and load session ticket.
Definition: ssl.h:2730
const char * mbedtls_ssl_get_ciphersuite_name(const int ciphersuite_id)
Return the name of the ciphersuite associated with the given ID.
void mbedtls_ssl_conf_encrypt_then_mac(mbedtls_ssl_config *conf, char etm)
Enable or disable Encrypt-then-MAC (Default: MBEDTLS_SSL_ETM_ENABLED)
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:3062
int mbedtls_ssl_dtls_srtp_set_mki_value(mbedtls_ssl_context *ssl, unsigned char *mki_value, uint16_t mki_len)
Set the mki_value for the current DTLS-SRTP session.
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:3079
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.)
struct mbedtls_ssl_sig_hash_set_t mbedtls_ssl_sig_hash_set_t
Definition: ssl.h:912
uint16_t mbedtls_ssl_srtp_profile
Definition: ssl.h:1241
static int mbedtls_ssl_session_get_ciphersuite_id(const mbedtls_ssl_session *session)
Get the ciphersuite-id.
Definition: ssl.h:2816
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) ...
int mbedtls_ssl_get_max_in_record_payload(const mbedtls_ssl_context *ssl)
Return the current maximum incoming record payload in bytes.
int mbedtls_ssl_send_t(void *ctx, const unsigned char *buf, size_t len)
Callback type: send data on the network.
Definition: ssl.h:811
#define MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32
Definition: ssl.h:1237
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).
int mbedtls_ssl_recv_t(void *ctx, unsigned char *buf, size_t len)
Callback type: receive data from the network.
Definition: ssl.h:835
This file provides an API for Elliptic Curves over GF(P) (ECP).
static void mbedtls_ssl_set_user_data_n(mbedtls_ssl_context *ssl, uintptr_t n)
Set the user data in an SSL context to an integer.
Definition: ssl.h:2930
#define MBEDTLS_ERR_SSL_BAD_INPUT_DATA
Definition: ssl.h:51
void mbedtls_ssl_conf_preference_order(mbedtls_ssl_config *conf, int order)
Pick the ciphersuites order according to the second parameter in the SSL Server module (MBEDTLS_SSL_S...
void mbedtls_ssl_export_keys_t(void *p_expkey, mbedtls_ssl_key_export_type type, const unsigned char *secret, size_t secret_len, const unsigned char client_random[32], const unsigned char server_random[32], mbedtls_tls_prf_types tls_prf_type)
Callback type: Export key alongside random values for session identification, and PRF for implementat...
Definition: ssl.h:1412
Platform Security Architecture cryptography module.
unsigned char _pms_dhm[MBEDTLS_MPI_MAX_SIZE]
Definition: ssl.h:703
void mbedtls_ssl_conf_verify(mbedtls_ssl_config *conf, int(*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *), void *p_vrfy)
Set the verification callback (Optional).
unsigned char _pms_rsa[48]
Definition: ssl.h:700
unsigned char _pms_ecdh[MBEDTLS_ECP_MAX_BYTES]
Definition: ssl.h:709
static const mbedtls_ssl_config * mbedtls_ssl_context_get_config(const mbedtls_ssl_context *ssl)
Return the SSL configuration structure associated with the given SSL context.
Definition: ssl.h:2292
static const char * mbedtls_ssl_get_hostname(mbedtls_ssl_context *ssl)
Get the hostname that checked against the received server certificate. It is used to set the ServerNa...
Definition: ssl.h:4097
int mbedtls_ssl_get_max_out_record_payload(const mbedtls_ssl_context *ssl)
Return the current maximum outgoing record payload in bytes.
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...
static void mbedtls_ssl_conf_cert_cb(mbedtls_ssl_config *conf, mbedtls_ssl_hs_cb_t f_cert_cb)
Set the certificate selection callback (server-side only).
Definition: ssl.h:2674
int mbedtls_ssl_conf_dh_param_bin(mbedtls_ssl_config *conf, const unsigned char *dhm_P, size_t P_len, const unsigned char *dhm_G, size_t G_len)
Set the Diffie-Hellman public P and G values from big-endian binary presentations. (Default values: MBEDTLS_DHM_RFC3526_MODP_2048_[PG]_BIN)
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).
#define MBEDTLS_PRIVATE(member)
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_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:784
void mbedtls_ssl_conf_srtp_mki_value_supported(mbedtls_ssl_config *conf, int support_mki_value)
Manage support for mki(master key id) value in use_srtp extension. MKI is an optional part of SRTP us...
#define MBEDTLS_TLS_SRTP_MAX_MKI_LENGTH
Definition: ssl.h:1223
uint32_t mbedtls_ssl_get_verify_result(const mbedtls_ssl_context *ssl)
Return the result of the certificate verification.
void mbedtls_ssl_conf_session_tickets_cb(mbedtls_ssl_config *conf, mbedtls_ssl_ticket_write_t *f_ticket_write, mbedtls_ssl_ticket_parse_t *f_ticket_parse, void *p_ticket)
Configure SSL session ticket callbacks (server only). (Default: none.)
int mbedtls_ssl_set_cid(mbedtls_ssl_context *ssl, int enable, unsigned char const *own_cid, size_t own_cid_len)
Configure the use of the Connection ID (CID) extension in the next handshake.
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.
static uintptr_t mbedtls_ssl_get_user_data_n(mbedtls_ssl_context *ssl)
Retrieve the user data in an SSL context as an integer.
Definition: ssl.h:2963
const mbedtls_x509_crt * mbedtls_ssl_get_peer_cert(const mbedtls_ssl_context *ssl)
Return the peer certificate from the current connection.
int mbedtls_ssl_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_send_alert_message(mbedtls_ssl_context *ssl, unsigned char level, unsigned char message)
Send an alert message.
int mbedtls_ssl_recv_timeout_t(void *ctx, unsigned char *buf, size_t len, uint32_t timeout)
Callback type: receive data from the network, with timeout.
Definition: ssl.h:861
SSL Ciphersuites for Mbed TLS.
void mbedtls_ssl_conf_session_cache(mbedtls_ssl_config *conf, void *p_cache, mbedtls_ssl_cache_get_t *f_get_cache, mbedtls_ssl_cache_set_t *f_set_cache)
Set the session cache callbacks (server-side only) If not set, no session resuming is done (except if...
void mbedtls_ssl_conf_renegotiation_period(mbedtls_ssl_config *conf, const unsigned char period[8])
Set record counter threshold for periodic renegotiation. (Default: 2^48 - 1)
unsigned char _pms_dhe_psk[4+MBEDTLS_MPI_MAX_SIZE +MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:716
void mbedtls_ssl_conf_sig_algs(mbedtls_ssl_config *conf, const uint16_t *sig_algs)
Configure allowed signature algorithms for use in TLS.
int mbedtls_ssl_cache_set_t(void *data, unsigned char const *session_id, size_t session_id_len, const mbedtls_ssl_session *session)
Callback type: server-side session cache setter.
Definition: ssl.h:978
Multi-precision integer library.
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 pre-shared keys (PSKs) and their identities to be used in PSK-based ciphersuites.
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...
Common and shared functions used by multiple modules in the Mbed TLS library.
time_t mbedtls_time_t
Definition: platform_time.h:27
int mbedtls_ssl_write(mbedtls_ssl_context *ssl, const unsigned char *buf, size_t len)
Try to write exactly 'len' application data bytes.
void mbedtls_ssl_conf_cert_req_ca_list(mbedtls_ssl_config *conf, char cert_req_ca_list)
Whether to send a list of acceptable CAs in CertificateRequest messages. (Default: do send) ...
void MBEDTLS_DEPRECATED mbedtls_ssl_conf_curves(mbedtls_ssl_config *conf, const mbedtls_ecp_group_id *curves)
Set the allowed curves in order of preference.
int mbedtls_ssl_close_notify(mbedtls_ssl_context *ssl)
Notify the peer that the connection is being closed.
struct mbedtls_ssl_flight_item mbedtls_ssl_flight_item
Definition: ssl.h:917
int mbedtls_ssl_cache_get_t(void *data, unsigned char const *session_id, size_t session_id_len, mbedtls_ssl_session *session)
Callback type: server-side session cache getter.
Definition: ssl.h:956
void mbedtls_ssl_conf_session_tickets(mbedtls_ssl_config *conf, int use_tickets)
Enable / Disable TLS 1.2 session tickets (client only, TLS 1.2 only). Enabled by default.
static void mbedtls_ssl_conf_dn_hints(mbedtls_ssl_config *conf, const mbedtls_x509_crt *crt)
Set DN hints sent to client in CertificateRequest message.
Definition: ssl.h:3593
void mbedtls_ssl_free(mbedtls_ssl_context *ssl)
Free referenced items in an SSL context and clear memory.
void mbedtls_ssl_conf_endpoint(mbedtls_ssl_config *conf, int endpoint)
Set the current endpoint type.
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_protocol_version
Definition: ssl.h:1256
static void * mbedtls_ssl_get_user_data_p(mbedtls_ssl_context *ssl)
Retrieve the user data in an SSL context as a pointer.
Definition: ssl.h:2947
struct mbedtls_ssl_transform mbedtls_ssl_transform
Definition: ssl.h:910
#define MBEDTLS_TLS1_3_MD_MAX_SIZE
Definition: ssl.h:732
const char * mbedtls_ssl_get_alpn_protocol(const mbedtls_ssl_context *ssl)
Get the name of the negotiated Application Layer Protocol. This function should be called after the h...
void mbedtls_ssl_conf_dhm_min_bitlen(mbedtls_ssl_config *conf, unsigned int bitlen)
Set the minimum length for Diffie-Hellman parameters. (Client-side only.) (Default: 1024 bits...
int mbedtls_ssl_get_ciphersuite_id_from_ssl(const mbedtls_ssl_context *ssl)
Return the id of the current ciphersuite.
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_conf_cid(mbedtls_ssl_config *conf, size_t len, int ignore_other_cids)
Specify the length of Connection IDs for incoming encrypted DTLS records, as well as the behaviour on...
static int mbedtls_ssl_session_get_ticket_creation_time(mbedtls_ssl_session *session, mbedtls_ms_time_t *ticket_creation_time)
Get the creation time of a session ticket.
Definition: ssl.h:2769
int mbedtls_ssl_get_ciphersuite_id(const char *ciphersuite_name)
Return the ID of the ciphersuite associated with the given name.
void mbedtls_ssl_conf_transport(mbedtls_ssl_config *conf, int transport)
Set the transport type (TLS or DTLS). Default: TLS.
mbedtls_ssl_key_export_type
Definition: ssl.h:1385
void mbedtls_ssl_get_dtls_srtp_negotiation_result(const mbedtls_ssl_context *ssl, mbedtls_dtls_srtp_info *dtls_srtp_info)
Get the negotiated DTLS-SRTP information: Protection profile and MKI value.
mbedtls_ssl_states
Definition: ssl.h:745
#define MBEDTLS_SSL_IS_SERVER
Definition: ssl.h:325
#define MBEDTLS_SSL_SEQUENCE_NUMBER_LEN
Definition: ssl.h:736
void mbedtls_ssl_conf_renegotiation_enforced(mbedtls_ssl_config *conf, int max_records)
Enforce renegotiation requests. (Default: enforced, max_records = 16)
void mbedtls_ssl_set_mtu(mbedtls_ssl_context *ssl, uint16_t mtu)
Set the Maximum 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_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.
Macro wrapper for struct's members.
static uintptr_t mbedtls_ssl_conf_get_user_data_n(mbedtls_ssl_config *conf)
Retrieve the user data in an SSL configuration as an integer.
Definition: ssl.h:2900
void mbedtls_ssl_conf_new_session_tickets(mbedtls_ssl_config *conf, uint16_t num_tickets)
Number of NewSessionTicket messages for the server to send after handshake completion.
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 ...
void mbedtls_ssl_conf_rng(mbedtls_ssl_config *conf, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)
Set the random number generator callback.
int mbedtls_ssl_conf_alpn_protocols(mbedtls_ssl_config *conf, const char **protos)
Set the supported Application Layer Protocols.
void mbedtls_ssl_conf_cert_profile(mbedtls_ssl_config *conf, const mbedtls_x509_crt_profile *profile)
Set the X.509 security profile used for verification.
This file contains Diffie-Hellman-Merkle (DHM) key exchange definitions and functions.
X.509 certificate parsing and writing.
int mbedtls_ssl_context_load(mbedtls_ssl_context *ssl, const unsigned char *buf, size_t len)
Load serialized connection data to an SSL context.
#define MBEDTLS_PSK_MAX_LEN
Definition: ssl.h:690
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() ...
const char * mbedtls_ssl_get_ciphersuite(const mbedtls_ssl_context *ssl)
Return the name of the current ciphersuite.
static unsigned const char(* mbedtls_ssl_session_get_id(const mbedtls_ssl_session *session))[32]
Get the session-id buffer.
Definition: ssl.h:2791
#define MBEDTLS_DEPRECATED
Definition: platform_util.h:37
void mbedtls_ssl_set_export_keys_cb(mbedtls_ssl_context *ssl, mbedtls_ssl_export_keys_t *f_export_keys, void *p_export_keys)
Configure a key export callback. (Default: none.)
mbedtls_ecp_group_id
Definition: ecp.h:102
int mbedtls_ssl_get_timer_t(void *ctx)
Callback type: get status of timers/delays.
Definition: ssl.h:902
The DHM context structure.
Definition: dhm.h:101
int mbedtls_ssl_get_own_cid(mbedtls_ssl_context *ssl, int *enabled, unsigned char own_cid[MBEDTLS_SSL_CID_IN_LEN_MAX], size_t *own_cid_len)
Get information about our request for usage of the CID extension in the current connection.
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.
int(* mbedtls_ssl_hs_cb_t)(mbedtls_ssl_context *ssl)
Callback type: generic handshake callback.
Definition: ssl.h:1436
void mbedtls_ssl_config_init(mbedtls_ssl_config *conf)
Initialize an SSL configuration context Just makes the context ready for mbedtls_ssl_config_defaults(...
static void mbedtls_ssl_conf_set_user_data_n(mbedtls_ssl_config *conf, uintptr_t n)
Set the user data in an SSL configuration to an integer.
Definition: ssl.h:2867
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...
Build-time configuration info.
This file contains ECDH definitions and functions.
int mbedtls_ssl_conf_dh_param_ctx(mbedtls_ssl_config *conf, mbedtls_dhm_context *dhm_ctx)
Set the Diffie-Hellman public P and G values, read from existing context (server-side only) ...
void mbedtls_ssl_conf_groups(mbedtls_ssl_config *conf, const uint16_t *groups)
Set the allowed groups in order of preference.
int mbedtls_ssl_set_session(mbedtls_ssl_context *ssl, const mbedtls_ssl_session *session)
Load a session for session resumption.
#define MBEDTLS_MPI_MAX_SIZE
Definition: bignum.h:73
void MBEDTLS_DEPRECATED mbedtls_ssl_conf_sig_hashes(mbedtls_ssl_config *conf, const int *hashes)
Set the allowed hashes for signatures during the 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. ...
static void * mbedtls_ssl_conf_get_user_data_p(mbedtls_ssl_config *conf)
Retrieve the user data in an SSL configuration as a pointer.
Definition: ssl.h:2884
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.
This file contains the generic functions for message-digest (hashing) and HMAC.
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.
static const char * mbedtls_ssl_get_srtp_profile_as_string(mbedtls_ssl_srtp_profile profile)
Definition: ssl.h:4285
psa_key_id_t mbedtls_svc_key_id_t
Definition: crypto_types.h:292
int mbedtls_ssl_setup(mbedtls_ssl_context *ssl, const mbedtls_ssl_config *conf)
Set up an SSL context for use.
void MBEDTLS_DEPRECATED 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...
void mbedtls_ssl_conf_legacy_renegotiation(mbedtls_ssl_config *conf, int allow_legacy)
Prevent or allow legacy renegotiation. (Default: MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION) ...
static void mbedtls_ssl_set_user_data_p(mbedtls_ssl_context *ssl, void *p)
Set the user data in an SSL context to a pointer.
Definition: ssl.h:2916
unsigned char _pms_rsa_psk[52+MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:719
int mbedtls_ssl_renegotiate(mbedtls_ssl_context *ssl)
Initiate an SSL renegotiation on the running connection. Client: perform the renegotiation right now...
#define MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32
Definition: ssl.h:1235
static void mbedtls_ssl_conf_set_user_data_p(mbedtls_ssl_config *conf, void *p)
Set the user data in an SSL configuration to a pointer.
Definition: ssl.h:2853
MPI structure.
Definition: bignum.h:207
X.509 certificate revocation list parsing.
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_config_free(mbedtls_ssl_config *conf)
Free an SSL configuration context.
int mbedtls_ssl_conf_dtls_srtp_protection_profiles(mbedtls_ssl_config *conf, const mbedtls_ssl_srtp_profile *profiles)
Set the supported DTLS-SRTP protection profiles.
#define MBEDTLS_SSL_CID_OUT_LEN_MAX
Definition: ssl.h:461
int mbedtls_ssl_read(mbedtls_ssl_context *ssl, unsigned char *buf, size_t len)
Read at most 'len' application data bytes.
unsigned char dummy
Definition: ssl.h:698
struct mbedtls_ssl_key_cert mbedtls_ssl_key_cert
Definition: ssl.h:914
static mbedtls_ssl_protocol_version mbedtls_ssl_get_version_number(const mbedtls_ssl_context *ssl)
Return the (D)TLS protocol version negotiated in the given connection.
Definition: ssl.h:4868
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:887
static int mbedtls_ssl_conf_get_endpoint(const mbedtls_ssl_config *conf)
Get the current endpoint type.
Definition: ssl.h:2122
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...
#define MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80
Definition: ssl.h:1234
void mbedtls_ssl_conf_tls13_key_exchange_modes(mbedtls_ssl_config *conf, const int kex_modes)
Set the supported key exchange modes for TLS 1.3 connections.
#define MBEDTLS_SSL_CID_IN_LEN_MAX
Definition: ssl.h:457
int mbedtls_ssl_get_peer_cid(mbedtls_ssl_context *ssl, int *enabled, unsigned char peer_cid[MBEDTLS_SSL_CID_OUT_LEN_MAX], size_t *peer_cid_len)
Get information about the use of the CID extension in the current connection.
void mbedtls_ssl_session_init(mbedtls_ssl_session *session)
Initialize SSL session structure.
struct mbedtls_dtls_srtp_info_t mbedtls_dtls_srtp_info
void mbedtls_ssl_conf_tls13_enable_signal_new_session_tickets(mbedtls_ssl_config *conf, int signal_new_session_tickets)
Enable / Disable handling of TLS 1.3 NewSessionTicket messages (client only, TLS 1.3 only).
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:2700
static int mbedtls_ssl_is_handshake_over(mbedtls_ssl_context *ssl)
After calling mbedtls_ssl_handshake() to start the SSL handshake you can call this function to check ...
Definition: ssl.h:5108
void mbedtls_ssl_conf_handshake_timeout(mbedtls_ssl_config *conf, uint32_t min, uint32_t max)
Set retransmit timeout values for the DTLS handshake. (DTLS only, no effect on TLS.)
Mbed TLS Platform time abstraction.
int mbedtls_ssl_config_defaults(mbedtls_ssl_config *conf, int endpoint, int transport, int preset)
Load reasonable default SSL configuration values. (You need to call mbedtls_ssl_config_init() first...
void mbedtls_ssl_conf_ca_chain(mbedtls_ssl_config *conf, mbedtls_x509_crt *ca_chain, mbedtls_x509_crl *ca_crl)
Set the data required to verify peer certificate.
static size_t mbedtls_ssl_session_get_id_len(const mbedtls_ssl_session *session)
Get the size of the session-id.
Definition: ssl.h:2804
int64_t mbedtls_ms_time_t
Definition: platform_time.h:35
void mbedtls_ssl_conf_dtls_badmac_limit(mbedtls_ssl_config *conf, unsigned limit)
Set a limit on the number of records with a bad MAC before terminating the connection. (DTLS only, no effect on TLS.) Default: 0 (disabled).
unsigned char _pms_psk[4+2 *MBEDTLS_PSK_MAX_LEN]
Definition: ssl.h:712
int mbedtls_ssl_handshake(mbedtls_ssl_context *ssl)
Perform the SSL handshake.
void mbedtls_ssl_set_hs_authmode(mbedtls_ssl_context *ssl, int authmode)
Set authmode for the current handshake.
mbedtls_md_type_t
Supported message digests.
Definition: md.h:47
int mbedtls_ssl_handshake_step(mbedtls_ssl_context *ssl)
Perform a single step of the SSL handshake.
const char * mbedtls_ssl_get_version(const mbedtls_ssl_context *ssl)
Return the current TLS version.
void mbedtls_ssl_conf_authmode(mbedtls_ssl_config *conf, int authmode)
Set the certificate verification mode Default: NONE on server, REQUIRED on client.
#define MBEDTLS_SSL_TLS1_3_TICKET_RESUMPTION_KEY_LEN
Definition: ssl.h:386
int mbedtls_ssl_session_reset(mbedtls_ssl_context *ssl)
Reset an already initialized SSL context for re-use while retaining application-set variables...
int mbedtls_ssl_set_hostname(mbedtls_ssl_context *ssl, const char *hostname)
Set or reset the hostname to check against the received peer certificate. On a client, this also sets the ServerName TLS extension, if that extension is enabled. On a TLS 1.3 client, this also sets the server name in the session resumption ticket, if that feature is enabled.
struct mbedtls_ssl_handshake_params mbedtls_ssl_handshake_params
Definition: ssl.h:911
static void mbedtls_ssl_conf_min_tls_version(mbedtls_ssl_config *conf, mbedtls_ssl_protocol_version tls_version)
Set the minimum supported version sent from the client side and/or accepted at the server side...
Definition: ssl.h:4472
static void mbedtls_ssl_conf_max_tls_version(mbedtls_ssl_config *conf, mbedtls_ssl_protocol_version tls_version)
Set the maximum supported version sent from the client side and/or accepted at the server side...
Definition: ssl.h:4415
#define MBEDTLS_ECP_MAX_BYTES
Definition: ecp.h:354
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_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.
void MBEDTLS_DEPRECATED mbedtls_ssl_conf_min_version(mbedtls_ssl_config *conf, int major, int minor)
Set the minimum accepted SSL/TLS protocol version.
int mbedtls_ssl_get_session(const mbedtls_ssl_context *ssl, mbedtls_ssl_session *session)
Export a session in order to resume it later.
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...
#define MBEDTLS_SSL_VERIFY_DATA_MAX_LEN
Definition: ssl.h:497
void mbedtls_ssl_set_hs_dn_hints(mbedtls_ssl_context *ssl, const mbedtls_x509_crt *crt)
Set DN hints sent to client in CertificateRequest message.
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_tls_prf_types
Definition: ssl.h:1376
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...