Constant crypto::sha2::K32X4

pub const K32X4: [u32x4; 16] = [u32x4(K32[3], K32[2], K32[1], K32[0]), u32x4(K32[7], K32[6], K32[5], K32[4]),
 u32x4(K32[11], K32[10], K32[9], K32[8]),
 u32x4(K32[15], K32[14], K32[13], K32[12]),
 u32x4(K32[19], K32[18], K32[17], K32[16]),
 u32x4(K32[23], K32[22], K32[21], K32[20]),
 u32x4(K32[27], K32[26], K32[25], K32[24]),
 u32x4(K32[31], K32[30], K32[29], K32[28]),
 u32x4(K32[35], K32[34], K32[33], K32[32]),
 u32x4(K32[39], K32[38], K32[37], K32[36]),
 u32x4(K32[43], K32[42], K32[41], K32[40]),
 u32x4(K32[47], K32[46], K32[45], K32[44]),
 u32x4(K32[51], K32[50], K32[49], K32[48]),
 u32x4(K32[55], K32[54], K32[53], K32[52]),
 u32x4(K32[59], K32[58], K32[57], K32[56]),
 u32x4(K32[63], K32[62], K32[61], K32[60])]

Constants necessary for SHA-256 family of digests.