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/* Copyright 2015-2016 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */
#ifndef CHACHA20POLY1305_H
#define CHACHA20POLY1305_H
#include <linux/types.h>
enum chacha20poly1305_lengths {
CHACHA20POLY1305_KEYLEN = 32,
CHACHA20POLY1305_AUTHTAGLEN = 16
};
void chacha20poly1305_init(void);
bool chacha20poly1305_encrypt(uint8_t *dst, const uint8_t *src, const size_t src_len,
const uint8_t *ad, const size_t ad_len,
const uint64_t nonce, const uint8_t key[CHACHA20POLY1305_KEYLEN]);
bool chacha20poly1305_encrypt_sg(struct scatterlist *dst, struct scatterlist *src, const size_t src_len,
const uint8_t *ad, const size_t ad_len,
const uint64_t nonce, const uint8_t key[CHACHA20POLY1305_KEYLEN]);
bool chacha20poly1305_decrypt(uint8_t *dst, const uint8_t *src, const size_t src_len,
const uint8_t *ad, const size_t ad_len,
const uint64_t nonce, const uint8_t key[CHACHA20POLY1305_KEYLEN]);
bool chacha20poly1305_decrypt_sg(struct scatterlist *dst, struct scatterlist *src, const size_t src_len,
const uint8_t *ad, const size_t ad_len,
const uint64_t nonce, const uint8_t key[CHACHA20POLY1305_KEYLEN]);
#ifdef DEBUG
void chacha20poly1305_selftest(void);
#endif
#endif
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