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2338da0373
Data path largely shared with the OpenBSD implementation by Matt Dunwoodie <ncon@nconroy.net> Reviewed by: grehan@freebsd.org MFC after: 1 month Sponsored by: Rubicon LLC, (Netgate) Differential Revision: https://reviews.freebsd.org/D26137
56 lines
1.5 KiB
C
56 lines
1.5 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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#include <sys/types.h>
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#ifndef _BLAKE2S_H_
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#define _BLAKE2S_H_
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enum blake2s_lengths {
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BLAKE2S_BLOCK_SIZE = 64,
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BLAKE2S_HASH_SIZE = 32,
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BLAKE2S_KEY_SIZE = 32
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};
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struct blake2s_state {
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uint32_t h[8];
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uint32_t t[2];
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uint32_t f[2];
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uint8_t buf[BLAKE2S_BLOCK_SIZE];
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size_t buflen;
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uint8_t last_node;
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};
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void blake2s_init(struct blake2s_state *state, const size_t outlen);
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void blake2s_init_key(struct blake2s_state *state, const size_t outlen,
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const void *key, const size_t keylen);
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void blake2s_update(struct blake2s_state *state, const uint8_t *in, size_t inlen);
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void blake2s_final(struct blake2s_state *state, uint8_t *out, const size_t outlen);
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static inline void blake2s(uint8_t *out, const uint8_t *in, const uint8_t *key,
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const size_t outlen, const size_t inlen,
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const size_t keylen)
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{
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struct blake2s_state state;
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#ifdef __linux___
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WARN_ON(IS_ENABLED(DEBUG) && ((!in && inlen > 0) || !out || !outlen ||
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outlen > BLAKE2S_HASH_SIZE || keylen > BLAKE2S_KEY_SIZE ||
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(!key && keylen)));
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#endif
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if (keylen)
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blake2s_init_key(&state, outlen, key, keylen);
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else
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blake2s_init(&state, outlen);
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blake2s_update(&state, in, inlen);
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blake2s_final(&state, out, outlen);
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}
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void blake2s_hmac(uint8_t *out, const uint8_t *in, const uint8_t *key,
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const size_t outlen, const size_t inlen, const size_t keylen);
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#endif /* _BLAKE2S_H_ */
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