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d2a68aba85
Move the ChaCha20Poly1305 test from an ad-hoc self-test to a KUnit test. Keep the same test logic for now, just translated to KUnit. Moving to KUnit has multiple benefits, such as: - Consistency with the rest of the lib/crypto/ tests. - Kernel developers familiar with KUnit, which is used kernel-wide, can quickly understand the test and how to enable and run it. - The test will be automatically run by anyone using lib/crypto/.kunitconfig or KUnit's all_tests.config. - Results are reported using the standard KUnit mechanism. - It eliminates one of the few remaining back-references to crypto/ from lib/crypto/, specifically a reference to CONFIG_CRYPTO_SELFTESTS. Acked-by: Ard Biesheuvel <ardb@kernel.org> Link: https://lore.kernel.org/r/20260327224229.137532-1-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@kernel.org>
50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
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/*
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* Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. 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[at_least 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[at_least 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[at_least XCHACHA20POLY1305_NONCE_SIZE],
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const u8 key[at_least 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,
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const u8 *ad, const size_t ad_len,
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const u8 nonce[at_least XCHACHA20POLY1305_NONCE_SIZE],
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const u8 key[at_least 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[at_least 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[at_least CHACHA20POLY1305_KEY_SIZE]);
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#endif /* __CHACHA20POLY1305_H */
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