41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
/* salsa20.h */
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/*
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This file is part of the AVR-Crypto-Lib.
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Copyright (C) 2011 Daniel Otte (daniel.otte@rub.de)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SALSA20_H_
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#define SALSA20_H_
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#include <stdint.h>
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typedef struct{
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uint8_t a[64];
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uint8_t buffer[64];
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uint8_t buffer_idx;
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} salsa20_ctx_t;
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void salsa20_hash(uint32_t* a);
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void salsa_k32(uint32_t* dest, const uint32_t* k, const uint32_t* n);
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void salsa_k16(uint32_t* dest, const uint32_t* k, const uint32_t* n);
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void salsa20_genBlock256(void* dest, const void* k, const void* iv, uint64_t i);
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void salsa20_genBlock128(void* dest, const void* k, const void* iv, uint64_t i);
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void salsa20_init(void* key, uint16_t keylength_b, void* iv, salsa20_ctx_t* ctx);
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uint8_t salsa20_gen(salsa20_ctx_t* ctx);
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#endif /* SALSA20_H_ */
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