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
|
#ifndef HYBBX_CRYPTO_BACKENDS_H
#define HYBBX_CRYPTO_BACKENDS_H
#include "hybbx/types.h"
#include <stddef.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define HYBBX_BACKEND_SHA256_HEX_SIZE 65
#define HYBBX_BACKEND_AES_GCM_KEY_SIZE 32
#define HYBBX_BACKEND_AES_GCM_NONCE_SIZE 12
#define HYBBX_BACKEND_AES_GCM_TAG_SIZE 16
#define HYBBX_BACKEND_XCHACHA_NONCE_SIZE 24
#define HYBBX_BACKEND_TAG_SIZE 16
void hybbx_backend_sha256_hex(const char *data, size_t len, char hex[65]);
int hybbx_backend_aes256gcm_encrypt(
const uint8_t key[HYBBX_BACKEND_AES_GCM_KEY_SIZE],
const uint8_t nonce[HYBBX_BACKEND_AES_GCM_NONCE_SIZE],
const uint8_t *aad, size_t aad_len, const uint8_t *plaintext,
size_t plaintext_len, uint8_t *ciphertext,
uint8_t tag[HYBBX_BACKEND_AES_GCM_TAG_SIZE]);
int hybbx_backend_aes256gcm_decrypt(
const uint8_t key[HYBBX_BACKEND_AES_GCM_KEY_SIZE],
const uint8_t nonce[HYBBX_BACKEND_AES_GCM_NONCE_SIZE],
const uint8_t *aad, size_t aad_len, const uint8_t *ciphertext,
size_t ciphertext_len, uint8_t *plaintext,
const uint8_t tag[HYBBX_BACKEND_AES_GCM_TAG_SIZE]);
void hybbx_backend_chacha_lock(uint8_t *ciphertext, uint8_t tag[16],
const uint8_t key[32],
const uint8_t nonce[24], const uint8_t *aad,
size_t aad_len, const uint8_t *plaintext,
size_t plaintext_len);
int hybbx_backend_chacha_unlock(uint8_t *plaintext, const uint8_t tag[16],
const uint8_t key[32], const uint8_t nonce[24],
const uint8_t *aad, size_t aad_len,
const uint8_t *ciphertext, size_t ciphertext_len);
void hybbx_backend_x25519_public_key(uint8_t public_key[32],
const uint8_t secret_key[32]);
void hybbx_backend_x25519_shared(uint8_t shared[32],
const uint8_t secret_key[32],
const uint8_t peer_public_key[32]);
void hybbx_backend_blake2b_keyed(uint8_t *hash, size_t hash_size,
const uint8_t *message, size_t message_size,
const uint8_t *key, size_t key_size);
hybbx_result_t hybbx_backend_random(uint8_t *buf, size_t len);
#ifdef __cplusplus
}
#endif
#endif /* HYBBX_CRYPTO_BACKENDS_H */
|
