/* SPDX-License-Identifier: GPL-2.0 OR MIT */
|
/*
|
* Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
|
*/
|
|
#ifndef __CHACHA20POLY1305_H
|
#define __CHACHA20POLY1305_H
|
|
#include <linux/types.h>
|
#include <linux/scatterlist.h>
|
|
enum chacha20poly1305_lengths {
|
XCHACHA20POLY1305_NONCE_SIZE = 24,
|
CHACHA20POLY1305_KEY_SIZE = 32,
|
CHACHA20POLY1305_AUTHTAG_SIZE = 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_KEY_SIZE]);
|
|
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_KEY_SIZE]);
|
|
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_NONCE_SIZE],
|
const u8 key[CHACHA20POLY1305_KEY_SIZE]);
|
|
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_NONCE_SIZE],
|
const u8 key[CHACHA20POLY1305_KEY_SIZE]);
|
|
bool chacha20poly1305_encrypt_sg_inplace(struct scatterlist *src, size_t src_len,
|
const u8 *ad, const size_t ad_len,
|
const u64 nonce,
|
const u8 key[CHACHA20POLY1305_KEY_SIZE]);
|
|
bool chacha20poly1305_decrypt_sg_inplace(struct scatterlist *src, size_t src_len,
|
const u8 *ad, const size_t ad_len,
|
const u64 nonce,
|
const u8 key[CHACHA20POLY1305_KEY_SIZE]);
|
|
bool chacha20poly1305_selftest(void);
|
|
#endif /* __CHACHA20POLY1305_H */
|
