Differential D25425 Diff 73565 include/zinc/chacha20poly1305.h

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include/zinc/chacha20poly1305.h

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				/* SPDX-License-Identifier: GPL-2.0 OR MIT */
				/*
				* Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
				*/

				#ifndef _ZINC_CHACHA20POLY1305_H
				#define _ZINC_CHACHA20POLY1305_H

				//#include <linux/simd.h>
				#include <sys/types.h>

				struct scatterlist;

				enum chacha20poly1305_lengths {
				XCHACHA20POLY1305_NONCE_SIZE = 24,
				CHACHA20POLY1305_KEY_SIZE = 32,
				CHACHA20POLY1305_AUTHTAG_SIZE = 16
				};

				void 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_KEY_SIZE]);

				bool chacha20poly1305_encrypt_sg_inplace(
				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_KEY_SIZE], simd_context_t *simd_context);

				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_KEY_SIZE]);

				bool chacha20poly1305_decrypt_sg_inplace(
				struct scatterlist src, size_t src_len, const uint8_t ad,
				const size_t ad_len, const uint64_t nonce,
				const uint8_t key[CHACHA20POLY1305_KEY_SIZE], simd_context_t *simd_context);

				void xchacha20poly1305_encrypt(uint8_t dst, const uint8_t src, const size_t src_len,
				const uint8_t *ad, const size_t ad_len,
				const uint8_t nonce[XCHACHA20POLY1305_NONCE_SIZE],
				const uint8_t key[CHACHA20POLY1305_KEY_SIZE]);

				bool xchacha20poly1305_decrypt(
				uint8_t dst, const uint8_t src, const size_t src_len, const uint8_t *ad,
				const size_t ad_len, const uint8_t nonce[XCHACHA20POLY1305_NONCE_SIZE],
				const uint8_t key[CHACHA20POLY1305_KEY_SIZE]);

				#endif /* _ZINC_CHACHA20POLY1305_H */