mirror of https://git.zx2c4.com/WireGuard
37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
/* Copyright 2015-2016 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */
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#ifndef BLAKE2S_H
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#define BLAKE2S_H
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#include <linux/types.h>
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enum blake2s_lengths {
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BLAKE2S_BLOCKBYTES = 64,
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BLAKE2S_OUTBYTES = 32,
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BLAKE2S_KEYBYTES = 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[2 * BLAKE2S_BLOCKBYTES];
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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(uint8_t *out, const uint8_t *in, const uint8_t *key, const uint8_t outlen, const uint64_t inlen, const uint8_t keylen);
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void blake2s_init(struct blake2s_state *state, const uint8_t outlen);
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void blake2s_init_key(struct blake2s_state *state, const uint8_t outlen, const void *key, const uint8_t keylen);
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void blake2s_update(struct blake2s_state *state, const uint8_t *in, uint64_t inlen);
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void blake2s_final(struct blake2s_state *state, uint8_t *out, uint8_t outlen);
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void blake2s_hmac(uint8_t *out, const uint8_t *in, const uint8_t *key, const uint8_t outlen, const uint64_t inlen, const uint64_t keylen);
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#ifdef DEBUG
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void blake2s_selftest(void);
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#endif
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#endif
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