SecureHash256.cpp File Reference

#include <zeusbase/Security/SecureHash256.h>
#include <zeusbase/Security/SecurityDefines.hpp>

Defines
#define	SHA256_F1(x)   (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
#define	SHA256_F2(x)   (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
#define	SHA256_F3(x)   (ROTR(x, 7) ^ ROTR(x, 18) ^ SHFR(x, 3))
#define	SHA256_F4(x)   (ROTR(x, 17) ^ ROTR(x, 19) ^ SHFR(x, 10))
#define	SHA256_SCR(i)   { w[i] = SHA256_F4(w[i - 2]) + w[i - 7] + SHA256_F3(w[i - 15]) + w[i - 16]; }
#define	SHA256_EXP(a, b, c, d, e, f, g, h, j)

---

Define Documentation

#define SHA256_EXP	(		a,
			b,
			c,
			d,
			e,
			f,
			g,
			h,
			j
	)

Value:

{                                                                               \
    t1 = wv[h] + SHA256_F2(wv[e]) + CH(wv[e], wv[f], wv[g]) + m_ulSHA256_k[j] + w[j]; \
    t2 = SHA256_F1(wv[a]) + MAJ(wv[a], wv[b], wv[c]);                             \
    wv[d] += t1;                                                                  \
    wv[h]  = t1 + t2;                                                             \
  }

#define SHA256_F1

(

x )

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

#define SHA256_F2

(

x )

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

#define SHA256_F3

(

x )

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

#define SHA256_F4

(

x )

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

#define SHA256_SCR

(

i )

{ w[i] = SHA256_F4(w[i - 2]) + w[i - 7] + SHA256_F3(w[i - 15]) + w[i - 16]; }