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48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/***********************************************************************
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Copyright 2006-2007 Ma Bingyao
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These sources is free software. Redistributions of source code must
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retain the above copyright notice. Redistributions in binary form
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must reproduce the above copyright notice. You can redistribute it
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freely. You can use it with any free or commercial software.
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These sources is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY. Without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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You may contact the author by:
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e-mail: andot@coolcode.cn
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*************************************************************************/
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#ifndef XXTEA_H
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#define XXTEA_H
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#include <stddef.h> /* for size_t & NULL declarations */
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#if defined(_MSC_VER)
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typedef unsigned __int32 xxtea_long;
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#else
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#if defined(__FreeBSD__) && __FreeBSD__ < 5
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/* FreeBSD 4 doesn't have stdint.h file */
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#include <inttypes.h>
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#else
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#include <stdint.h>
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#endif
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typedef uint32_t xxtea_long;
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#endif /* end of if defined(_MSC_VER) */
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#define XXTEA_MX (z >> 5 ^ y << 2) + (y >> 3 ^ z << 4) ^ (sum ^ y) + (k[p & 3 ^ e] ^ z)
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#define XXTEA_DELTA 0x9e3779b9
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void xxtea_long_encrypt(xxtea_long *v, xxtea_long len, xxtea_long *k);
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void xxtea_long_decrypt(xxtea_long *v, xxtea_long len, xxtea_long *k);
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#endif
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