if err != nil {
		panic(err)
	}
	test(t, "RC4", cipherText, cipher.XORKeyStream)
}
func TestCTROutOfBoundsWrite(t *testing.T) {
	testBlock(t, "CTR", cipher.NewCTR)
}
func TestOFBOutOfBoundsWrite(t *testing.T) {
	testBlock(t, "OFB", cipher.NewOFB)
}
func TestCFBEncryptOutOfBoundsWrite(t *testing.T) {
	testBlock(t, "CFB Encrypt", cipher.NewCFBEncrypter)
}
func TestCFBDecryptOutOfBoundsWrite(t *testing.T) {