^ (bc1<<1 | bc1>>63) d1 = bc0 ^ (bc2<<1 | bc2>>63) d2 = bc1 ^ (bc3<<1 | bc3>>63) d3 = bc2 ^ (bc4<<1 | bc4>>63) d4 = bc3 ^ (bc0<<1 | bc0>>63) bc0 = a[0] ^ d0 t = a[6] ^ d1 bc1 = bits.RotateLeft64(t, 44) t = a[12] ^ d2 bc2 = bits.RotateLeft64(t, 43) t = a[18] ^ d3 bc3 = bits.RotateLeft64(t, 21) t = a[24] ^ d4 bc4 = bits.RotateLeft64(t, 14) a[0] = bc0 ^ (bc2 &^ bc1) ^ rc[i] a[6] = bc1 ^ (bc3 &^ bc2) a[12] = bc2 ^ (bc4 &^ bc3) a[18] = bc3 ^ (bc0 &^ bc4) a[24] = bc4 ^ (bc1 &^ bc0) t = a[10] ^ d0 bc2 =...