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
|
/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (C) 2015-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
#ifndef _WG_CHACHA20POLY1305_H
#define _WG_CHACHA20POLY1305_H
#include <linux/types.h>
struct scatterlist;
enum chacha20poly1305_lengths {
XCHACHA20POLY1305_NONCELEN = 24,
CHACHA20POLY1305_KEYLEN = 32,
CHACHA20POLY1305_AUTHTAGLEN = 16
};
void chacha20poly1305_encrypt(u8 *dst, const u8 *src, const size_t src_len,
const u8 *ad, const size_t ad_len,
const u64 nonce, const u8 key[CHACHA20POLY1305_KEYLEN]);
bool __must_check chacha20poly1305_encrypt_sg(struct scatterlist *dst, struct scatterlist *src, const size_t src_len,
const u8 *ad, const size_t ad_len,
const u64 nonce, const u8 key[CHACHA20POLY1305_KEYLEN],
bool have_simd);
bool __must_check chacha20poly1305_decrypt(u8 *dst, const u8 *src, const size_t src_len,
const u8 *ad, const size_t ad_len,
const u64 nonce, const u8 key[CHACHA20POLY1305_KEYLEN]);
bool __must_check chacha20poly1305_decrypt_sg(struct scatterlist *dst, struct scatterlist *src, const size_t src_len,
const u8 *ad, const size_t ad_len,
const u64 nonce, const u8 key[CHACHA20POLY1305_KEYLEN],
bool have_simd);
void xchacha20poly1305_encrypt(u8 *dst, const u8 *src, const size_t src_len,
const u8 *ad, const size_t ad_len,
const u8 nonce[XCHACHA20POLY1305_NONCELEN],
const u8 key[CHACHA20POLY1305_KEYLEN]);
bool __must_check xchacha20poly1305_decrypt(u8 *dst, const u8 *src, const size_t src_len,
const u8 *ad, const size_t ad_len,
const u8 nonce[XCHACHA20POLY1305_NONCELEN],
const u8 key[CHACHA20POLY1305_KEYLEN]);
#ifdef DEBUG
bool chacha20poly1305_selftest(void);
#endif
#endif /* _WG_CHACHA20POLY1305_H */
|
