54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
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/*
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* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef HEADER_CAST_H
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# define HEADER_CAST_H
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# include <openssl/opensslconf.h>
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# ifndef OPENSSL_NO_CAST
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# ifdef __cplusplus
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extern "C" {
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# endif
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# define CAST_ENCRYPT 1
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# define CAST_DECRYPT 0
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# define CAST_LONG unsigned int
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# define CAST_BLOCK 8
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# define CAST_KEY_LENGTH 16
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typedef struct cast_key_st {
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CAST_LONG data[32];
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int short_key; /* Use reduced rounds for short key */
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} CAST_KEY;
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void CAST_set_key(CAST_KEY *key, int len, const unsigned char *data);
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void CAST_ecb_encrypt(const unsigned char *in, unsigned char *out,
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const CAST_KEY *key, int enc);
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void CAST_encrypt(CAST_LONG *data, const CAST_KEY *key);
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void CAST_decrypt(CAST_LONG *data, const CAST_KEY *key);
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void CAST_cbc_encrypt(const unsigned char *in, unsigned char *out,
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long length, const CAST_KEY *ks, unsigned char *iv,
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int enc);
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void CAST_cfb64_encrypt(const unsigned char *in, unsigned char *out,
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long length, const CAST_KEY *schedule,
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unsigned char *ivec, int *num, int enc);
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void CAST_ofb64_encrypt(const unsigned char *in, unsigned char *out,
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long length, const CAST_KEY *schedule,
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unsigned char *ivec, int *num);
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# ifdef __cplusplus
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}
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# endif
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# endif
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#endif
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