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
|
#ifndef CURVE_H
#define CURVE_H
#include "locking.h"
#include "built_in.h"
#include "ioops.h"
#include "rnd.h"
#include "taia.h"
#include "crypto.h"
struct curve25519_proto {
unsigned char enonce[crypto_box_noncebytes] __aligned_16;
unsigned char dnonce[crypto_box_noncebytes] __aligned_16;
unsigned char key[crypto_box_beforenmbytes] __aligned_16;
};
struct curve25519_struct {
unsigned char *enc, *dec;
size_t enc_size, dec_size;
struct spinlock enc_lock, dec_lock;
};
extern void curve25519_selftest(void);
extern struct curve25519_struct *curve25519_tfm_alloc(void);
extern void curve25519_tfm_free(struct curve25519_struct *tfm);
extern void curve25519_tfm_free_void(void *tfm);
extern void curve25519_proto_init(struct curve25519_proto *proto,
unsigned char *pubkey_remote, size_t len);
extern int curve25519_pubkey_hexparse_32(unsigned char *bin, size_t blen,
const char *ascii, size_t alen);
extern ssize_t curve25519_encode(struct curve25519_struct *curve,
struct curve25519_proto *proto,
unsigned char *plaintext, size_t size,
unsigned char **ciphertext);
extern ssize_t curve25519_decode(struct curve25519_struct *curve,
struct curve25519_proto *proto,
unsigned char *ciphertext, size_t size,
unsigned char **plaintext,
struct taia *arrival_taia);
#endif /* CURVE_H */
|
