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Re-initialize hostapd/wpa_supplicant git repository based on 0.6.3 release

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Jouni Malinen 2008-02-27 17:34:43 -08:00 • committed by Jouni Malinen
commit 6fc6879bd5
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74
src/tls/tlsv1_record.h Normal file
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/*
* TLSv1 Record Protocol
* Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#ifndef TLSV1_RECORD_H
#define TLSV1_RECORD_H
#include "crypto.h"
#define TLS_MAX_WRITE_MAC_SECRET_LEN 20
#define TLS_MAX_WRITE_KEY_LEN 32
#define TLS_MAX_IV_LEN 16
#define TLS_MAX_KEY_BLOCK_LEN (2 * (TLS_MAX_WRITE_MAC_SECRET_LEN + \
TLS_MAX_WRITE_KEY_LEN + TLS_MAX_IV_LEN))
#define TLS_SEQ_NUM_LEN 8
#define TLS_RECORD_HEADER_LEN 5
/* ContentType */
enum {
TLS_CONTENT_TYPE_CHANGE_CIPHER_SPEC = 20,
TLS_CONTENT_TYPE_ALERT = 21,
TLS_CONTENT_TYPE_HANDSHAKE = 22,
TLS_CONTENT_TYPE_APPLICATION_DATA = 23
};
struct tlsv1_record_layer {
u8 write_mac_secret[TLS_MAX_WRITE_MAC_SECRET_LEN];
u8 read_mac_secret[TLS_MAX_WRITE_MAC_SECRET_LEN];
u8 write_key[TLS_MAX_WRITE_KEY_LEN];
u8 read_key[TLS_MAX_WRITE_KEY_LEN];
u8 write_iv[TLS_MAX_IV_LEN];
u8 read_iv[TLS_MAX_IV_LEN];
size_t hash_size;
size_t key_material_len;
size_t iv_size; /* also block_size */
enum crypto_hash_alg hash_alg;
enum crypto_cipher_alg cipher_alg;
u8 write_seq_num[TLS_SEQ_NUM_LEN];
u8 read_seq_num[TLS_SEQ_NUM_LEN];
u16 cipher_suite;
u16 write_cipher_suite;
u16 read_cipher_suite;
struct crypto_cipher *write_cbc;
struct crypto_cipher *read_cbc;
};
int tlsv1_record_set_cipher_suite(struct tlsv1_record_layer *rl,
u16 cipher_suite);
int tlsv1_record_change_write_cipher(struct tlsv1_record_layer *rl);
int tlsv1_record_change_read_cipher(struct tlsv1_record_layer *rl);
int tlsv1_record_send(struct tlsv1_record_layer *rl, u8 content_type, u8 *buf,
size_t buf_size, size_t payload_len, size_t *out_len);
int tlsv1_record_receive(struct tlsv1_record_layer *rl,
const u8 *in_data, size_t in_len,
u8 *out_data, size_t *out_len, u8 *alert);
#endif /* TLSV1_RECORD_H */