wiselib.testing/algorithms/crypto/diffie_hellman_lite/sha256.h File Reference

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Classes
struct	wiselib::sha256_context
class	wiselib::Sha256
Namespaces
namespace	wiselib
	AES Algorithm.
Defines
#define	GET_UINT32(n, b, i)
#define	PUT_UINT32(n, b, i)
#define	SHR(x, n)   ((x & 0xFFFFFFFF) >> n)
#define	ROTR(x, n)   (SHR(x,n) | (x << (32 - n)))
#define	S0(x)   (ROTR(x, 7) ^ ROTR(x,18) ^ SHR(x, 3))
#define	S1(x)   (ROTR(x,17) ^ ROTR(x,19) ^ SHR(x,10))
#define	S2(x)   (ROTR(x, 2) ^ ROTR(x,13) ^ ROTR(x,22))
#define	S3(x)   (ROTR(x, 6) ^ ROTR(x,11) ^ ROTR(x,25))
#define	F0(x, y, z)   ((x & y) | (z & (x | y)))
#define	F1(x, y, z)   (z ^ (x & (y ^ z)))
#define	R(t)
#define	P(a, b, c, d, e, f, g, h, x, K)

---

Define Documentation

#define F0	(		x,
			y,
			z
	)		((x & y) | (z & (x | y)))

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

#define GET_UINT32	(		n,
			b,
			i
	)

Value:

{                                               \
    (n) = ( (uint32_t) (b)[(i)    ] << 24 )       \
        | ( (uint32_t) (b)[(i) + 1] << 16 )       \
        | ( (uint32_t) (b)[(i) + 2] <<  8 )       \
        | ( (uint32_t) (b)[(i) + 3]       );      \
}

#define P	(		a,
			b,
			c,
			d,
			e,
			f,
			g,
			h,
			x,
			K
	)

Value:

{                                               \
         temp1 = h + S3(e) + F1(e,f,g) + K + x;      \
         temp2 = S2(a) + F0(a,b,c);                  \
         d += temp1; h = temp1 + temp2;              \
      }

#define PUT_UINT32	(		n,
			b,
			i
	)

Value:

{                                               \
    (b)[(i)    ] = (uint8_t) ( (n) >> 24 );       \
    (b)[(i) + 1] = (uint8_t) ( (n) >> 16 );       \
    (b)[(i) + 2] = (uint8_t) ( (n) >>  8 );       \
    (b)[(i) + 3] = (uint8_t) ( (n)       );       \
}

#define R

(

t

)

Value:

(                                               \
         W[t] = S1(W[t -  2]) + W[t -  7] +          \
                S0(W[t - 15]) + W[t - 16]            \
      )

#define ROTR	(		x,
			n
	)		(SHR(x,n) | (x << (32 - n)))

#define S0

(

x

)

(ROTR(x, 7) ^ ROTR(x,18) ^ SHR(x, 3))

#define S1

(

x

)

(ROTR(x,17) ^ ROTR(x,19) ^ SHR(x,10))

#define S2

(

x

)

(ROTR(x, 2) ^ ROTR(x,13) ^ ROTR(x,22))

#define S3

(

x

)

(ROTR(x, 6) ^ ROTR(x,11) ^ ROTR(x,25))

#define SHR	(		x,
			n
	)		((x & 0xFFFFFFFF) >> n)