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- /* Slitheen - a decoy routing system for censorship resistance
- * Copyright (C) 2017 Cecylia Bocovich (cbocovic@uwaterloo.ca)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 3.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- * Additional permission under GNU GPL version 3 section 7
- *
- * If you modify this Program, or any covered work, by linking or combining
- * it with the OpenSSL library (or a modified version of that library),
- * containing parts covered by the terms of the OpenSSL Licence and the
- * SSLeay license, the licensors of this Program grant you additional
- * permission to convey the resulting work. Corresponding Source for a
- * non-source form of such a combination shall include the source code
- * for the parts of the OpenSSL library used as well as that of the covered
- * work.
- */
- #ifndef CRYPTO_H
- #define CRYPTO_H
- #include "flow.h"
- int update_handshake_hash(flow *f, uint8_t *hs);
- int extract_parameters(flow *f, uint8_t *hs);
- int encrypt(flow *f, uint8_t *input, uint8_t *output, int32_t len, int32_t incoming, int32_t type, int32_t enc, uint8_t re);
- int extract_server_random(flow *f, uint8_t *hs);
- int compute_master_secret(flow *f);
- int mark_finished_hash(flow *f, uint8_t *hs);
- int init_ciphers(flow *f);
- void generate_client_super_keys(uint8_t *secret, client *c);
- int super_encrypt(client *c, uint8_t *data, uint32_t len);
- int check_handshake(struct packet_info *info);
- int partial_aes_gcm_tls_cipher(flow *f, unsigned char *out, const unsigned char *in, size_t len, size_t offset, uint8_t enc);
- void partial_aes_gcm_tls_tag(flow *f, unsigned char *tag, size_t len);
- #endif /* CRYPTO_H */
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