mbed TLS v2.16.0: ssl_ticket.h Source File

mbed TLS v2.16.0

ssl_ticket.h
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1
6 /*
7 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
8 * SPDX-License-Identifier: Apache-2.0
9 *
10 * Licensed under the Apache License, Version 2.0 (the "License"); you may
11 * not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
18 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and
20 * limitations under the License.
21 *
22 * This file is part of mbed TLS (https://tls.mbed.org)
23 */
24 #ifndef MBEDTLS_SSL_TICKET_H
25 #define MBEDTLS_SSL_TICKET_H
26
27 /*
28 * This implementation of the session ticket callbacks includes key
29 * management, rotating the keys periodically in order to preserve forward
30 * secrecy, when MBEDTLS_HAVE_TIME is defined.
31 */
32
33 #include "ssl.h"
34 #include "cipher.h"
35
36 #if defined(MBEDTLS_THREADING_C)
37 #include "threading.h"
38 #endif
39
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43
47 typedef struct mbedtls_ssl_ticket_key
48 {
49 unsigned char name[4];
50 uint32_t generation_time;
51 mbedtls_cipher_context_t ctx;
52 }
53 mbedtls_ssl_ticket_key;
54
58 typedef struct mbedtls_ssl_ticket_context
59 {
60 mbedtls_ssl_ticket_key keys[2];
61 unsigned char active;
63 uint32_t ticket_lifetime;
66 int (*f_rng)(void *, unsigned char *, size_t);
67 void *p_rng;
69 #if defined(MBEDTLS_THREADING_C)
70 mbedtls_threading_mutex_t mutex;
71 #endif
72 }
73 mbedtls_ssl_ticket_context;
74
82 void mbedtls_ssl_ticket_init( mbedtls_ssl_ticket_context *ctx );
83
106 int mbedtls_ssl_ticket_setup( mbedtls_ssl_ticket_context *ctx,
107 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
108 mbedtls_cipher_type_t cipher,
109 uint32_t lifetime );
110
116 mbedtls_ssl_ticket_write_t mbedtls_ssl_ticket_write;
117
123 mbedtls_ssl_ticket_parse_t mbedtls_ssl_ticket_parse;
124
130 void mbedtls_ssl_ticket_free( mbedtls_ssl_ticket_context *ctx );
131
132 #ifdef __cplusplus
133 }
134 #endif
135
136 #endif /* ssl_ticket.h */
mbedtls_ssl_ticket_parse_t
int mbedtls_ssl_ticket_parse_t(void *p_ticket, mbedtls_ssl_session *session, unsigned char *buf, size_t len)
Callback type: parse and load session ticket.
Definition: ssl.h:1565
mbedtls_ssl_ticket_key
struct mbedtls_ssl_ticket_key mbedtls_ssl_ticket_key
Information for session ticket protection.
mbedtls_ssl_ticket_setup
int mbedtls_ssl_ticket_setup(mbedtls_ssl_ticket_context *ctx, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, mbedtls_cipher_type_t cipher, uint32_t lifetime)
Prepare context to be actually used.
mbedtls_ssl_ticket_context::f_rng
int(* f_rng)(void *, unsigned char *, size_t)
Definition: ssl_ticket.h:66
mbedtls_ssl_ticket_context::keys
mbedtls_ssl_ticket_key keys[2]
Definition: ssl_ticket.h:60
mbedtls_cipher_context_t
Definition: cipher.h:284
mbedtls_ssl_ticket_key::generation_time
uint32_t generation_time
Definition: ssl_ticket.h:50
mbedtls_ssl_ticket_init
void mbedtls_ssl_ticket_init(mbedtls_ssl_ticket_context *ctx)
Initialize a ticket context. (Just make it ready for mbedtls_ssl_ticket_setup() or mbedtls_ssl_ticket...
mbedtls_cipher_type_t
mbedtls_cipher_type_t
Supported {cipher type, cipher mode} pairs.
Definition: cipher.h:104
threading.h
Threading abstraction layer.
mbedtls_ssl_ticket_parse
mbedtls_ssl_ticket_parse_t mbedtls_ssl_ticket_parse
Implementation of the ticket parse callback.
Definition: ssl_ticket.h:123
mbedtls_ssl_ticket_context::p_rng
void * p_rng
Definition: ssl_ticket.h:67
mbedtls_ssl_ticket_write
mbedtls_ssl_ticket_write_t mbedtls_ssl_ticket_write
Implementation of the ticket write callback.
Definition: ssl_ticket.h:116
cipher.h
This file contains an abstraction interface for use with the cipher primitives provided by the librar...
mbedtls_ssl_ticket_context
struct mbedtls_ssl_ticket_context mbedtls_ssl_ticket_context
Context for session ticket handling functions.
mbedtls_ssl_ticket_key
Information for session ticket protection.
Definition: ssl_ticket.h:47
mbedtls_ssl_ticket_context::ticket_lifetime
uint32_t ticket_lifetime
Definition: ssl_ticket.h:63
ssl.h
SSL/TLS functions.
mbedtls_ssl_ticket_write_t
int mbedtls_ssl_ticket_write_t(void *p_ticket, const mbedtls_ssl_session *session, unsigned char *start, const unsigned char *end, size_t *tlen, uint32_t *lifetime)
Callback type: generate and write session ticket.
Definition: ssl.h:1506
mbedtls_ssl_ticket_key::ctx
mbedtls_cipher_context_t ctx
Definition: ssl_ticket.h:51
mbedtls_ssl_ticket_context::active
unsigned char active
Definition: ssl_ticket.h:61
mbedtls_ssl_ticket_free
void mbedtls_ssl_ticket_free(mbedtls_ssl_ticket_context *ctx)
Free a context's content and zeroize it.
mbedtls_ssl_ticket_context
Context for session ticket handling functions.
Definition: ssl_ticket.h:58
mbedtls_ssl_ticket_key::name
unsigned char name[4]
Definition: ssl_ticket.h:49