43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
// Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) All rights reserved.
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// SPDX-License-Identifier: Apache-2.0
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#ifndef OPENSSL_HEADER_CAST_INTERNAL_H
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#define OPENSSL_HEADER_CAST_INTERNAL_H
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#include <openssl/base.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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struct cast_key_st {
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uint32_t 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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extern const uint32_t CAST_S_table0[256];
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extern const uint32_t CAST_S_table1[256];
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extern const uint32_t CAST_S_table2[256];
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extern const uint32_t CAST_S_table3[256];
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extern const uint32_t CAST_S_table4[256];
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extern const uint32_t CAST_S_table5[256];
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extern const uint32_t CAST_S_table6[256];
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extern const uint32_t CAST_S_table7[256];
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#define CAST_BLOCK 8
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#define CAST_KEY_LENGTH 16
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void CAST_set_key(CAST_KEY *key, size_t len, const uint8_t *data);
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void CAST_ecb_encrypt(const uint8_t *in, uint8_t *out, const CAST_KEY *key,
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int enc);
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void CAST_encrypt(uint32_t *data, const CAST_KEY *key);
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void CAST_decrypt(uint32_t *data, const CAST_KEY *key);
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void CAST_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t length,
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const CAST_KEY *ks, uint8_t *iv, int enc);
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#if defined(__cplusplus)
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} // extern C
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#endif
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#endif // OPENSSL_HEADER_CAST_INTERNAL_H
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