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50 lines
1.7 KiB
50 lines
1.7 KiB
/* SPDX-License-Identifier: GPL-2.0 OR MIT */ |
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/* |
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* Copyright (C) 2015-2019 Jason A. Donenfeld <[email protected]>. All Rights Reserved. |
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*/ |
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#ifndef __CHACHA20POLY1305_H |
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#define __CHACHA20POLY1305_H |
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#include <linux/types.h> |
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#include <linux/scatterlist.h> |
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enum chacha20poly1305_lengths { |
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XCHACHA20POLY1305_NONCE_SIZE = 24, |
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CHACHA20POLY1305_KEY_SIZE = 32, |
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CHACHA20POLY1305_AUTHTAG_SIZE = 16 |
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}; |
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void chacha20poly1305_encrypt(u8 *dst, const u8 *src, const size_t src_len, |
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const u8 *ad, const size_t ad_len, |
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const u64 nonce, |
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const u8 key[CHACHA20POLY1305_KEY_SIZE]); |
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bool __must_check |
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chacha20poly1305_decrypt(u8 *dst, const u8 *src, const size_t src_len, |
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const u8 *ad, const size_t ad_len, const u64 nonce, |
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const u8 key[CHACHA20POLY1305_KEY_SIZE]); |
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void xchacha20poly1305_encrypt(u8 *dst, const u8 *src, const size_t src_len, |
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const u8 *ad, const size_t ad_len, |
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const u8 nonce[XCHACHA20POLY1305_NONCE_SIZE], |
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const u8 key[CHACHA20POLY1305_KEY_SIZE]); |
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bool __must_check xchacha20poly1305_decrypt( |
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u8 *dst, const u8 *src, const size_t src_len, const u8 *ad, |
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const size_t ad_len, const u8 nonce[XCHACHA20POLY1305_NONCE_SIZE], |
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const u8 key[CHACHA20POLY1305_KEY_SIZE]); |
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bool chacha20poly1305_encrypt_sg_inplace(struct scatterlist *src, size_t src_len, |
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const u8 *ad, const size_t ad_len, |
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const u64 nonce, |
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const u8 key[CHACHA20POLY1305_KEY_SIZE]); |
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bool chacha20poly1305_decrypt_sg_inplace(struct scatterlist *src, size_t src_len, |
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const u8 *ad, const size_t ad_len, |
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const u64 nonce, |
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const u8 key[CHACHA20POLY1305_KEY_SIZE]); |
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bool chacha20poly1305_selftest(void); |
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#endif /* __CHACHA20POLY1305_H */
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