forked from Qortal/Brooklyn
32 lines
807 B
C
32 lines
807 B
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 _ZINC_POLY1305_H
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#define _ZINC_POLY1305_H
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#include <linux/simd.h>
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#include <linux/types.h>
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enum poly1305_lengths {
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POLY1305_BLOCK_SIZE = 16,
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POLY1305_KEY_SIZE = 32,
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POLY1305_MAC_SIZE = 16
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};
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struct poly1305_ctx {
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u8 opaque[24 * sizeof(u64)];
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u32 nonce[4];
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u8 data[POLY1305_BLOCK_SIZE];
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size_t num;
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} __aligned(8);
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void poly1305_init(struct poly1305_ctx *ctx, const u8 key[POLY1305_KEY_SIZE]);
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void poly1305_update(struct poly1305_ctx *ctx, const u8 *input, size_t len,
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simd_context_t *simd_context);
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void poly1305_final(struct poly1305_ctx *ctx, u8 mac[POLY1305_MAC_SIZE],
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simd_context_t *simd_context);
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#endif /* _ZINC_POLY1305_H */
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