panic("boringcrypto: SHA1 failed")
	}
	return
}

func SHA224(p []byte) (sum [28]byte) {
	if C._goboringcrypto_gosha224(unsafe.Pointer(&*addr(p)), C.size_t(len(p)), unsafe.Pointer(&*addr(sum[:]))) == 0 {
		panic("boringcrypto: SHA224 failed")
	}
	return
}

func SHA256(p []byte) (sum [32]byte) {

	crypto.SHA1:      {0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03, 0x02, 0x1a, 0x05, 0x00, 0x04, 0x14},
	crypto.SHA224:    {0x30, 0x2d, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04, 0x05, 0x00, 0x04, 0x1c},

		if s != g.out {
			t.Fatalf("Sum224 function: sha224(%s) = %s want %s", g.in, s, g.out)
		}
		c := New224()
		for j := 0; j < 3; j++ {
			if j < 2 {
				io.WriteString(c, g.in)
			} else {
				io.WriteString(c, g.in[0:len(g.in)/2])
				c.Sum(nil)
				io.WriteString(c, g.in[len(g.in)/2:])
			}
			s := fmt.Sprintf("%x", c.Sum(nil))
			if s != g.out {
				t.Fatalf("sha224[%d](%s) = %s want %s", j, g.in, s, g.out)
			}