55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
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#ifndef MD5_H
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#define MD5_H
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/* The following tests optimise behaviour on little-endian
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machines, where there is no need to reverse the byte order
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of 32 bit words in the MD5 computation. By default,
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HIGHFIRST is defined, which indicates we're running on a
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big-endian (most significant byte first) machine, on which
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the byteReverse function in md5.c must be invoked. However,
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byteReverse is coded in such a way that it is an identity
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function when run on a little-endian machine, so calling it
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on such a platform causes no harm apart from wasting time.
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If the platform is known to be little-endian, we speed
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things up by undefining HIGHFIRST, which defines
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byteReverse as a null macro. Doing things in this manner
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insures we work on new platforms regardless of their byte
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order. */
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#define HIGHFIRST
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#ifdef __i386__
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#undef HIGHFIRST
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#endif
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/* On machines where "long" is 64 bits, we need to declare
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uint32 as something guaranteed to be 32 bits. */
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#ifdef __alpha
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typedef unsigned int uint32;
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#else
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typedef unsigned long uint32;
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#endif
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struct MD5Context {
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uint32 buf[4];
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uint32 bits[2];
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unsigned char in[64];
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};
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extern void MD5Init();
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extern void MD5Update();
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extern void MD5Final();
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extern void MD5Transform();
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/*
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* This is needed to make RSAREF happy on some MS-DOS compilers.
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*/
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typedef struct MD5Context MD5_CTX;
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/* Define CHECK_HARDWARE_PROPERTIES to have main,c verify
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byte order and uint32 settings. */
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#define CHECK_HARDWARE_PROPERTIES
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#endif /* !MD5_H */
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