92 lines
2.1 KiB
C
92 lines
2.1 KiB
C
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#ifndef __RC2_H__
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#define __RC2_H__
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#ifndef RSA32API
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#define RSA32API __stdcall
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#endif
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/* Copyright (C) RSA Data Security, Inc. created 1990. This is an
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unpublished work protected as such under copyright law. This work
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contains proprietary, confidential, and trade secret information of
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RSA Data Security, Inc. Use, disclosure or reproduction without the
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express written authorization of RSA Data Security, Inc. is
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prohibited.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Actual table size to use */
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#define RC2_TABLESIZE 128
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/* number of bytes in an RC2 block */
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#define RC2_BLOCKLEN 8
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/* RC2Key()
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*
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* Generate the key control structure. Key can be any size.
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*
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* Parameters:
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* pwKT Pointer to a key table that will be initialized.
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* MUST be RC2_TABLESIZE.
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* pbKey Pointer to the key.
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* dwLen Size of the key, in bytes.
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* MUST be <= RC2_TABLESIZE.
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*
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* MTS: Assumes pwKT is locked against simultaneous use.
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*/
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int
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RSA32API
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RC2Key (
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WORD *pwKT,
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BYTE *pbKey,
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DWORD dwLen
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);
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/* RC2KeyEx()
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*
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* Generate the key control structure. Key can be any size.
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*
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* Parameters:
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* pwKT Pointer to a key table that will be initialized.
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* MUST be RC2_TABLESIZE.
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* pbKey Pointer to the key.
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* dwLen Size of the key, in bytes.
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* MUST be <= RC2_TABLESIZE.
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* eSpace effective key space in bits, 0 < n <= 1024
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*
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* MTS: Assumes pwKT is locked against simultaneous use.
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*/
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int
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RSA32API
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RC2KeyEx (
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WORD *keyTable,
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BYTE *key,
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DWORD keyLen,
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DWORD eSpace
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);
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/* RC2()
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*
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* Performs the actual encryption
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*
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* Parameters:
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*
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* pbIn Input buffer -- MUST be RC2_BLOCKLEN
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* pbOut Output buffer -- MUST be RC2_BLOCKLEN
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* pwKT Pointer to an initialized (by RC2Key) key table.
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* op ENCRYPT, or DECRYPT
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*
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* MTS: Assumes pwKT is locked against simultaneous use.
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*/
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void RSA32API RC2 (BYTE *pbIn, BYTE *pbOut, void *pwKT, int op);
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#ifdef __cplusplus
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}
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#endif
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#endif // __RC2_H__
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