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42 lines
938 B
C
42 lines
938 B
C
/*
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* Copyright 2014-2026 The GmSSL Project. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*/
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#ifndef GMSSL_FF1_H
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#define GMSSL_FF1_H
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#include <stdint.h>
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#include <stddef.h>
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#include <gmssl/block_cipher.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define FF1_MIN_DIGITS 8
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#define FF1_MAX_DIGITS 18
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#define FF1_MIN_TWEAK_SIZE 0
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#define FF1_MAX_TWEAK_SIZE 11
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#define FF1_NUM_ROUNDS 10
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int ff1_init(BLOCK_CIPHER_KEY *key, const BLOCK_CIPHER *cipher, const uint8_t *raw_key);
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int ff1_encrypt(const BLOCK_CIPHER_KEY *key, const char *in, size_t inlen,
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const uint8_t *tweak, size_t tweaklen, char *out);
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int ff1_decrypt(const BLOCK_CIPHER_KEY *key, const char *in, size_t inlen,
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const uint8_t *tweak, size_t tweaklen, char *out);
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#ifdef __cplusplus
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}
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#endif
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#endif
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