md5.c File Reference

Macros
#define	GET_32BIT_LSB_FIRST(cp)
#define	PUT_32BIT_LSB_FIRST(cp, value)
#define	F1(x, y, z)   (z ^ (x & (y ^ z)))
#define	F2(x, y, z)   F1(z, x, y)
#define	F3(x, y, z)   (x ^ y ^ z)
#define	F4(x, y, z)   (y ^ (x | ~z))
#define	MD5STEP(f, w, x, y, z, data, s)   (w += f(x, y, z) + data, w = w << s | w >> (32 - s), w += x)

Functions
static void	MD5Transform (uint32_t buf[4], const unsigned char inext[64])
void	MD5Init (struct MD5Context *ctx)
void	MD5Update (struct MD5Context *ctx, unsigned char const *buf, uint32_t len)
void	MD5Final (unsigned char digest[16], struct MD5Context *ctx)

Detailed Description

MD5 hash.

Macro Definition Documentation

GET_32BIT_LSB_FIRST

#define GET_32BIT_LSB_FIRST

(

cp

)

Value:

    (((uint32_t)(unsigned char)(cp)[0]) |       \
     ((uint32_t)(unsigned char)(cp)[1] << 8) |  \
     ((uint32_t)(unsigned char)(cp)[2] << 16) | \
     ((uint32_t)(unsigned char)(cp)[3] << 24))

PUT_32BIT_LSB_FIRST

#define PUT_32BIT_LSB_FIRST	(		cp,
			value
	)

Value:

    do {                                  \
        (cp)[0] = (value)&0xFF;           \
        (cp)[1] = ((value) >> 8) & 0xFF;  \
        (cp)[2] = ((value) >> 16) & 0xFF; \
        (cp)[3] = ((value) >> 24) & 0xFF; \
    } while (0)

F1

#define F1	(		x,
			y,
			z
	)		(z ^ (x & (y ^ z)))

F2

#define F2	(		x,
			y,
			z
	)		F1(z, x, y)

F3

#define F3	(		x,
			y,
			z
	)		(x ^ y ^ z)

F4

#define F4	(		x,
			y,
			z
	)		(y ^ (x | ~z))

MD5STEP

#define MD5STEP	(		f,
			w,
			x,
			y,
			z,
			data,
			s
	)		(w += f(x, y, z) + data, w = w << s | w >> (32 - s), w += x)

Function Documentation

MD5Transform()

static void MD5Transform ( uint32_t  buf[4], const unsigned char  inext[64]  )

static

MD5Init()

void MD5Init

(

struct MD5Context *

ctx

)

MD5Update()

void MD5Update	(	struct MD5Context *	ctx,
		unsigned char const *	buf,
		uint32_t	len
	)

MD5Final()

void MD5Final	(	unsigned char	digest[16],
		struct MD5Context *	ctx
	)