39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
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/**
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* @cond internal
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* @file keccak_internal.h
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* @copyright
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* Copyright (c) 2016 Cryptography Research, Inc. \n
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* Released under the MIT License. See LICENSE.txt for license information.
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* @author Mike Hamburg
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* @brief Keccak internal interfaces. Will be used by STROBE once reintegrated.
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*/
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#ifndef __DECAF_KECCAK_INTERNAL_H__
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#define __DECAF_KECCAK_INTERNAL_H__ 1
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#include <stdint.h>
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/* The internal, non-opaque definition of the decaf_sponge struct. */
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typedef union {
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uint64_t w[25]; uint8_t b[25*8];
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} kdomain_t[1];
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typedef struct decaf_kparams_s {
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uint8_t position, flags, rate, start_round, pad, rate_pad, max_out, remaining;
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} decaf_kparams_s, decaf_kparams_t[1];
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typedef struct decaf_keccak_sponge_s {
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kdomain_t state;
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decaf_kparams_t params;
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} decaf_keccak_sponge_s, decaf_keccak_sponge_t[1];
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#define INTERNAL_SPONGE_STRUCT 1
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void __attribute__((noinline)) keccakf(kdomain_t state, uint8_t start_round);
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static inline void dokeccak (decaf_keccak_sponge_t decaf_sponge) {
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keccakf(decaf_sponge->state, decaf_sponge->params->start_round);
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decaf_sponge->params->position = 0;
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}
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#endif /* __DECAF_KECCAK_INTERNAL_H__ */
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