68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
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/*
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sptps.h -- Simple Peer-to-Peer Security
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Copyright (C) 2011 Guus Sliepen <guus@tinc-vpn.org>,
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "system.h"
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#include "cipher.h"
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#include "digest.h"
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#include "ecdh.h"
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#include "ecdsa.h"
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#define STATE_FIRST_KEX 0 // Waiting for peer's ECDHE pubkey
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#define STATE_NORMAL 1
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#define STATE_WAIT_KEX 2 // Waiting for peer's ECDHE pubkey
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#define STATE_WAIT_ACK 3 // Waiting for peer's acknowledgement of pubkey reception
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typedef bool (*send_data_t)(void *handle, const char *data, size_t len);
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typedef bool (*receive_record_t)(void *handle, uint8_t type, const char *data, uint16_t len);
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typedef struct sptps {
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bool initiator;
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int state;
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char *inbuf;
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size_t buflen;
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cipher_t incipher;
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digest_t indigest;
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uint32_t inseqno;
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cipher_t outcipher;
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digest_t outdigest;
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uint32_t outseqno;
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ecdsa_t mykey;
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ecdsa_t hiskey;
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ecdh_t ecdh;
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char *myrandom;
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char *key;
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char *label;
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size_t labellen;
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void *handle;
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send_data_t send_data;
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receive_record_t receive_record;
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} sptps_t;
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extern bool start_sptps(sptps_t *s, void *handle, bool initiator, ecdsa_t mykey, ecdsa_t hiskey, const char *label, size_t labellen, send_data_t send_data, receive_record_t receive_record);
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extern bool stop_sptps(sptps_t *s);
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extern bool send_record(sptps_t *s, uint8_t type, const char *data, uint16_t len);
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extern bool receive_data(sptps_t *s, const char *data, size_t len);
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