49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
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#ifndef MD5_H
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#define MD5_H
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typedef struct
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{
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unsigned int count[2];
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unsigned int state[4];
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unsigned char buffer[64];
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}MD5_CTX;
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#define F(x,y,z) ((x & y) | (~x & z))
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#define G(x,y,z) ((x & z) | (y & ~z))
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#define H(x,y,z) (x^y^z)
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#define I(x,y,z) (y ^ (x | ~z))
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#define ROTATE_LEFT(x,n) ((x << n) | (x >> (32-n)))
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#define FF(a,b,c,d,x,s,ac) { \
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a += F(b, c, d) + x + ac; \
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a = ROTATE_LEFT(a, s); \
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a += b; \
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}
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#define GG(a,b,c,d,x,s,ac) { \
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a += G(b, c, d) + x + ac; \
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a = ROTATE_LEFT(a, s); \
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a += b; \
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}
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#define HH(a,b,c,d,x,s,ac) { \
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a += H(b, c, d) + x + ac; \
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a = ROTATE_LEFT(a, s); \
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a += b; \
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}
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#define II(a,b,c,d,x,s,ac) { \
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a += I(b, c, d) + x + ac; \
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a = ROTATE_LEFT(a, s); \
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a += b; \
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}
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void MD5Init(MD5_CTX *context);
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void MD5Update(MD5_CTX *context, unsigned char *input, unsigned int inputlen);
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void MD5Final(MD5_CTX *context, unsigned char digest[16]);
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void MD5Transform(unsigned int state[4], unsigned char block[64]);
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void MD5Encode(unsigned char *output, unsigned int *input, unsigned int len);
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void MD5Decode(unsigned int *output, unsigned char *input, unsigned int len);
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#endif
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