[331] | 1 | /*
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| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #ifndef HEADER_CAST_H
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| 11 | # define HEADER_CAST_H
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| 12 |
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| 13 | # include <openssl/opensslconf.h>
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| 14 |
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| 15 | # ifndef OPENSSL_NO_CAST
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| 16 | # ifdef __cplusplus
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| 17 | extern "C" {
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| 18 | # endif
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| 19 |
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| 20 | # define CAST_ENCRYPT 1
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| 21 | # define CAST_DECRYPT 0
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| 22 |
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| 23 | # define CAST_LONG unsigned int
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| 24 |
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| 25 | # define CAST_BLOCK 8
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| 26 | # define CAST_KEY_LENGTH 16
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| 27 |
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| 28 | typedef struct cast_key_st {
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| 29 | CAST_LONG data[32];
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| 30 | int short_key; /* Use reduced rounds for short key */
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| 31 | } CAST_KEY;
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| 32 |
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| 33 | void CAST_set_key(CAST_KEY *key, int len, const unsigned char *data);
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| 34 | void CAST_ecb_encrypt(const unsigned char *in, unsigned char *out,
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| 35 | const CAST_KEY *key, int enc);
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| 36 | void CAST_encrypt(CAST_LONG *data, const CAST_KEY *key);
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| 37 | void CAST_decrypt(CAST_LONG *data, const CAST_KEY *key);
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| 38 | void CAST_cbc_encrypt(const unsigned char *in, unsigned char *out,
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| 39 | long length, const CAST_KEY *ks, unsigned char *iv,
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| 40 | int enc);
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| 41 | void CAST_cfb64_encrypt(const unsigned char *in, unsigned char *out,
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| 42 | long length, const CAST_KEY *schedule,
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| 43 | unsigned char *ivec, int *num, int enc);
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| 44 | void CAST_ofb64_encrypt(const unsigned char *in, unsigned char *out,
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| 45 | long length, const CAST_KEY *schedule,
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| 46 | unsigned char *ivec, int *num);
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| 47 |
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| 48 | # ifdef __cplusplus
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| 49 | }
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| 50 | # endif
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| 51 | # endif
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| 52 |
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| 53 | #endif
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