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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package rc2
import (
"bytes"
"encoding/hex"
"testing"
)
func TestEncryptDecrypt(t *testing.T) {
// TODO(dgryski): add the rest of the test vectors from the RFC
var tests = []struct {
key string
plain string
cipher string
t1 int
}{
{
"0000000000000000",
"0000000000000000",
"ebb773f993278eff",
63,
},
{
"ffffffffffffffff",
"ffffffffffffffff",
"278b27e42e2f0d49",
64,
},
{
"3000000000000000",
"1000000000000001",
"30649edf9be7d2c2",
64,
},
{
"88",
"0000000000000000",
"61a8a244adacccf0",
64,
},
{
"88bca90e90875a",
"0000000000000000",
"6ccf4308974c267f",
64,
},
{
"88bca90e90875a7f0f79c384627bafb2",
"0000000000000000",
"1a807d272bbe5db1",
64,
},
{
"88bca90e90875a7f0f79c384627bafb2",
"0000000000000000",
"2269552ab0f85ca6",
128,
},
{
"88bca90e90875a7f0f79c384627bafb216f80a6f85920584c42fceb0be255daf1e",
"0000000000000000",
"5b78d3a43dfff1f1",
129,
},
}
for _, tt := range tests {
k, _ := hex.DecodeString(tt.key)
p, _ := hex.DecodeString(tt.plain)
c, _ := hex.DecodeString(tt.cipher)
b, _ := New(k, tt.t1)
var dst [8]byte
b.Encrypt(dst[:], p)
if !bytes.Equal(dst[:], c) {
t.Errorf("encrypt failed: got % 2x wanted % 2x\n", dst, c)
}
b.Decrypt(dst[:], c)
if !bytes.Equal(dst[:], p) {
t.Errorf("decrypt failed: got % 2x wanted % 2x\n", dst, p)
}
}
}
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