46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
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* BLAKE2b (RFC 7693)
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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#ifndef ZSDK_BLAKE2B_H
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#define ZSDK_BLAKE2B_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stddef.h>
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#include <stdint.h>
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#define ZSDK_BLAKE2B_BLOCKBYTES 128
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#define ZSDK_BLAKE2B_OUTBYTES 64
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typedef struct {
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uint64_t h[8];
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uint64_t t[2];
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uint64_t f[2];
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uint8_t buf[ZSDK_BLAKE2B_BLOCKBYTES];
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size_t buflen;
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size_t outlen;
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} zsdk_blake2b_state;
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int zsdk_blake2b_init(zsdk_blake2b_state *s, size_t outlen);
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int zsdk_blake2b_init_key(zsdk_blake2b_state *s, size_t outlen,
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const void *key, size_t keylen);
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int zsdk_blake2b_update(zsdk_blake2b_state *s, const void *in, size_t inlen);
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int zsdk_blake2b_final(zsdk_blake2b_state *s, void *out, size_t outlen);
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/* One-shot. */
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int zsdk_blake2b(void *out, size_t outlen,
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const void *in, size_t inlen,
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const void *key, size_t keylen);
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/* Argon2's "long hash" H' producing arbitrary length output. */
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int zsdk_blake2b_long(uint8_t *out, size_t outlen,
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const uint8_t *in, size_t inlen);
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#ifdef __cplusplus
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}
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#endif
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#endif
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