/
qport.h
70 lines (53 loc) · 1.91 KB
/
qport.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
#ifndef QPORT_H_
#define QPORT_H_
#include <stdint.h>
#include "lop.h"
#include "sha256.h"
#include "hmac-sha256.h"
/******************************************************************************/
typedef struct{
uint8_t marker;
} qport_keyreq_t;
/******************************************************************************/
typedef struct {
uint8_t marker;
// uint8_t marker2;
uint64_t id;
uint8_t seed_a[32];
uint8_t seed_b[32];
} qport_keypacket_t;
/******************************************************************************/
typedef struct qport_ctx{
uint8_t *master_enc_key_rxa;
uint8_t *master_enc_key_rxb;
uint8_t *master_enc_key_txa;
uint8_t *master_enc_key_txb;
uint8_t *master_mac_key;
uint8_t streamkey_txa[16];
uint8_t streamkey_txb[16];
uint8_t streamstate_txa[8];
uint8_t streamstate_txb[8];
uint8_t streamkey_rxa[16];
uint8_t streamkey_rxb[16];
uint8_t streamstate_rxa[8];
uint8_t streamstate_rxb[8];
lop_ctx_t * lop;
uint8_t streamrx_index;
uint8_t streamrx_value;
void (*on_byterx)(uint8_t);
volatile enum {unkeyed, keyed, makeingkey} keystate;
qport_keypacket_t * keyingdata;
} qport_ctx_t;
/******************************************************************************/
uint8_t xtea_cfb_enc(uint8_t p, uint8_t * key, uint8_t * state);
uint8_t xtea_cfb_dec(uint8_t c, uint8_t * key, uint8_t * state);
uint8_t xtea_ofb(uint8_t p, uint8_t * key, uint8_t * state);
void qport_streamsend(qport_ctx_t * ctx, uint8_t p);
void qport_recieve_byte(qport_ctx_t * ctx, uint8_t b);
void memxor(void * dest, const void * src, uint16_t n);
void qport_setupstream(qport_ctx_t * ctx, uint8_t rxtx, uint8_t * a, uint8_t * b);
void qport_onkp(qport_ctx_t * ctx, qport_keypacket_t *kp);
void qport_rekey(qport_ctx_t * ctx);
void qport_incomming_msg(qport_ctx_t * ctx, uint16_t length, uint8_t * buffer);
/******************************************************************************/
#endif /*QPORT_H_*/