| package org.bouncycastle.jce.provider.test; |
| |
| import org.bouncycastle.jce.provider.BouncyCastleProvider; |
| import org.bouncycastle.util.encoders.Hex; |
| |
| import javax.crypto.Cipher; |
| import javax.crypto.CipherInputStream; |
| import javax.crypto.CipherOutputStream; |
| import javax.crypto.spec.SecretKeySpec; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.DataInputStream; |
| import java.io.IOException; |
| import java.security.Key; |
| import java.security.Security; |
| |
| /** |
| * basic test class for SEED |
| */ |
| public class NoekeonTest |
| extends BaseBlockCipherTest |
| { |
| static String[] cipherTests = |
| { |
| "128", |
| "b1656851699e29fa24b70148503d2dfc", |
| "2a78421b87c7d0924f26113f1d1349b2", |
| "e2f687e07b75660ffc372233bc47532c" |
| }; |
| |
| public NoekeonTest() |
| { |
| super("Noekeon"); |
| } |
| |
| public void test( |
| int strength, |
| byte[] keyBytes, |
| byte[] input, |
| byte[] output) |
| throws Exception |
| { |
| Key key; |
| Cipher in, out; |
| CipherInputStream cIn; |
| CipherOutputStream cOut; |
| ByteArrayInputStream bIn; |
| ByteArrayOutputStream bOut; |
| |
| key = new SecretKeySpec(keyBytes, "Noekeon"); |
| |
| in = Cipher.getInstance("Noekeon/ECB/NoPadding", "BC"); |
| out = Cipher.getInstance("Noekeon/ECB/NoPadding", "BC"); |
| |
| try |
| { |
| out.init(Cipher.ENCRYPT_MODE, key); |
| } |
| catch (Exception e) |
| { |
| fail("Noekeon failed initialisation - " + e.toString(), e); |
| } |
| |
| try |
| { |
| in.init(Cipher.DECRYPT_MODE, key); |
| } |
| catch (Exception e) |
| { |
| fail("Noekeoen failed initialisation - " + e.toString(), e); |
| } |
| |
| // |
| // encryption pass |
| // |
| bOut = new ByteArrayOutputStream(); |
| |
| cOut = new CipherOutputStream(bOut, out); |
| |
| try |
| { |
| for (int i = 0; i != input.length / 2; i++) |
| { |
| cOut.write(input[i]); |
| } |
| cOut.write(input, input.length / 2, input.length - input.length / 2); |
| cOut.close(); |
| } |
| catch (IOException e) |
| { |
| fail("Noekeon failed encryption - " + e.toString(), e); |
| } |
| |
| byte[] bytes; |
| |
| bytes = bOut.toByteArray(); |
| |
| if (!areEqual(bytes, output)) |
| { |
| fail("Noekeon failed encryption - expected " + new String(Hex.encode(output)) + " got " + new String(Hex.encode(bytes))); |
| } |
| |
| // |
| // decryption pass |
| // |
| bIn = new ByteArrayInputStream(bytes); |
| |
| cIn = new CipherInputStream(bIn, in); |
| |
| try |
| { |
| DataInputStream dIn = new DataInputStream(cIn); |
| |
| bytes = new byte[input.length]; |
| |
| for (int i = 0; i != input.length / 2; i++) |
| { |
| bytes[i] = (byte)dIn.read(); |
| } |
| dIn.readFully(bytes, input.length / 2, bytes.length - input.length / 2); |
| } |
| catch (Exception e) |
| { |
| fail("Noekeon failed encryption - " + e.toString(), e); |
| } |
| |
| if (!areEqual(bytes, input)) |
| { |
| fail("Noekeon failed decryption - expected " + new String(Hex.encode(input)) + " got " + new String(Hex.encode(bytes))); |
| } |
| } |
| |
| public void performTest() |
| throws Exception |
| { |
| for (int i = 0; i != cipherTests.length; i += 4) |
| { |
| test(Integer.parseInt(cipherTests[i]), |
| Hex.decode(cipherTests[i + 1]), |
| Hex.decode(cipherTests[i + 2]), |
| Hex.decode(cipherTests[i + 3])); |
| } |
| } |
| |
| public static void main( |
| String[] args) |
| { |
| Security.addProvider(new BouncyCastleProvider()); |
| |
| runTest(new NoekeonTest()); |
| } |
| } |