Example usage for org.bouncycastle.crypto InvalidCipherTextException InvalidCipherTextException

List of usage examples for org.bouncycastle.crypto InvalidCipherTextException InvalidCipherTextException

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Introduction

In this page you can find the example usage for org.bouncycastle.crypto InvalidCipherTextException InvalidCipherTextException.

Prototype

public InvalidCipherTextException(String message)

Source Link

Document

create a InvalidCipherTextException with the given message.

Usage

From source file:com.DSC.crypto.Cipher.java

License:Open Source License

/**
 * /*  w  w w. j  av a2 s  .co m*/
 * @param passphrase
 * @param HMAC
 * @param data
 * @return
 * @throws InvalidCipherTextException
 */
public static boolean verifyHMAC(String passphrase, BigInteger[] HMAC, byte[] data)
        throws InvalidCipherTextException {
    HMac hmac = new HMac(new MD5Digest());
    byte[] expHMAC = new byte[hmac.getMacSize()];
    byte[] recHMAC = new byte[hmac.getMacSize()];

    /* Initializes and generate the expected HMAC for message */
    hmac.init(new KeyParameter(passphrase.getBytes()));
    hmac.update(data, 0, data.length);
    hmac.doFinal(expHMAC, 0);

    /* Convert the received HMAC to a byte representation */
    recHMAC = HMAC[0].toByteArray();

    /* Compare the HMAC received to the expected HMAC */
    if (Arrays.equals(expHMAC, recHMAC)) {
        return true;
    } else {
        throw new InvalidCipherTextException("Message HMAC failed!");
    }
}

From source file:com.thoughtworks.go.config.materials.tfs.TfsMaterialConfigUpdateTest.java

License:Apache License

@Test
public void shouldErrorOutIfDecryptionFails() throws InvalidCipherTextException {
    GoCipher mockGoCipher = mock(GoCipher.class);
    String fakeCipherText = "fake cipher text";
    when(mockGoCipher.decrypt(fakeCipherText)).thenThrow(new InvalidCipherTextException("exception"));
    TfsMaterialConfig materialConfig = new TfsMaterialConfig(mockGoCipher,
            new UrlArgument("http://10.4.4.101:8080/tfs/Sample"), "loser", "CORPORATE", "passwd",
            "walk_this_path");
    ReflectionUtil.setField(materialConfig, "encryptedPassword", fakeCipherText);
    try {//from   w w w .  ja  v  a 2 s.  c o m
        materialConfig.getPassword();
        fail("Should have thrown up");
    } catch (Exception e) {
        assertThat(e.getMessage(), is("Could not decrypt the password to get the real password"));
    }
}

From source file:com.thoughtworks.go.config.materials.tfs.TfsMaterialConfigUpdateTest.java

License:Apache License

@Test
public void shouldErrorOutIfEncryptionFails() throws Exception {
    GoCipher mockGoCipher = mock(GoCipher.class);
    when(mockGoCipher.encrypt("password")).thenThrow(new InvalidCipherTextException("exception"));
    try {/*from w w w  .  ja v  a  2 s . c  o m*/
        new TfsMaterialConfig(mockGoCipher, new UrlArgument("http://10.4.4.101:8080/tfs/Sample"), "loser",
                "CORPORATE", "password", "walk_this_path");
        fail("Should have thrown up");
    } catch (Exception e) {
        assertThat(e.getMessage(), is("Password encryption failed. Please verify your cipher key."));
    }
}

From source file:com.thoughtworks.go.config.materials.tfs.TfsMaterialTest.java

License:Apache License

@Test
public void shouldErrorOutIfDecryptionFails() throws InvalidCipherTextException {
    GoCipher mockGoCipher = mock(GoCipher.class);
    String fakeCipherText = "fake cipher text";
    when(mockGoCipher.decrypt(fakeCipherText)).thenThrow(new InvalidCipherTextException("exception"));
    TfsMaterial material = new TfsMaterial(mockGoCipher, new UrlArgument("/foo"), "username", DOMAIN,
            "password", "");
    ReflectionUtil.setField(material, "encryptedPassword", fakeCipherText);
    try {//from  w w  w  . j a va  2s.  co  m
        material.getPassword();
        fail("Should have thrown up");
    } catch (Exception e) {
        assertThat(e.getMessage(), is("Could not decrypt the password to get the real password"));
    }
}

From source file:com.thoughtworks.go.config.materials.tfs.TfsMaterialTest.java

License:Apache License

@Test
public void shouldErrorOutIfEncryptionFails() throws Exception {
    GoCipher mockGoCipher = mock(GoCipher.class);
    when(mockGoCipher.encrypt("password")).thenThrow(new InvalidCipherTextException("exception"));
    try {//ww  w.  ja v a 2  s.  c  o  m
        new TfsMaterial(mockGoCipher, new UrlArgument("/foo"), "username", DOMAIN, "password", "");
        fail("Should have thrown up");
    } catch (Exception e) {
        assertThat(e.getMessage(), is("Password encryption failed. Please verify your cipher key."));
    }
}

From source file:com.thoughtworks.go.domain.materials.svn.SvnMaterialTest.java

License:Apache License

@Test
public void shouldErrorOutIfDecryptionFails() throws InvalidCipherTextException {
    GoCipher mockGoCipher = mock(GoCipher.class);
    String fakeCipherText = "fake cipher text";
    when(mockGoCipher.decrypt(fakeCipherText)).thenThrow(new InvalidCipherTextException("exception"));
    SvnMaterial material = new SvnMaterial("/foo", "username", null, false, mockGoCipher);
    ReflectionUtil.setField(material, "encryptedPassword", fakeCipherText);
    try {/*from  w w w.j  a  v a2  s.  c o m*/
        material.getPassword();
        fail("Should have thrown up");
    } catch (Exception e) {
        assertThat(e.getMessage(), is("Could not decrypt the password to get the real password"));
    }
}

From source file:com.thoughtworks.go.domain.materials.svn.SvnMaterialTest.java

License:Apache License

@Test
public void shouldErrorOutIfEncryptionFails() throws Exception {
    GoCipher mockGoCipher = mock(GoCipher.class);
    when(mockGoCipher.encrypt("password")).thenThrow(new InvalidCipherTextException("exception"));
    try {// ww  w.j  a v a2 s. c  o m
        new SvnMaterial("/foo", "username", "password", false, mockGoCipher);
        fail("Should have thrown up");
    } catch (Exception e) {
        assertThat(e.getMessage(), is("Password encryption failed. Please verify your cipher key."));
    }
}

From source file:dbn.crypto.Crypto.java

public static byte[] aesDecrypt(byte[] ivCiphertext, byte[] key) {
    try {//www  .  j a v  a 2  s .c  o  m
        if (ivCiphertext.length < 16 || ivCiphertext.length % 16 != 0) {
            throw new InvalidCipherTextException("invalid ivCiphertext length");
        }
        byte[] iv = Arrays.copyOfRange(ivCiphertext, 0, 16);
        byte[] ciphertext = Arrays.copyOfRange(ivCiphertext, 16, ivCiphertext.length);
        PaddedBufferedBlockCipher aes = new PaddedBufferedBlockCipher(new CBCBlockCipher(new AESEngine()));
        CipherParameters ivAndKey = new ParametersWithIV(new KeyParameter(key), iv);
        aes.init(false, ivAndKey);
        byte[] output = new byte[aes.getOutputSize(ciphertext.length)];
        int plaintextLength = aes.processBytes(ciphertext, 0, ciphertext.length, output, 0);
        plaintextLength += aes.doFinal(output, plaintextLength);
        byte[] result = new byte[plaintextLength];
        System.arraycopy(output, 0, result, 0, result.length);
        return result;
    } catch (InvalidCipherTextException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
}

From source file:dbn.crypto.Crypto.java

public static byte[] aesGCMDecrypt(byte[] ivCiphertext, byte[] key) {
    try {//w ww .  j a  va 2 s . c om
        if (ivCiphertext.length < 16) {
            throw new InvalidCipherTextException("invalid ivCiphertext length");
        }
        byte[] iv = Arrays.copyOfRange(ivCiphertext, 0, 16);
        byte[] ciphertext = Arrays.copyOfRange(ivCiphertext, 16, ivCiphertext.length);
        GCMBlockCipher aes = new GCMBlockCipher(new AESEngine());
        CipherParameters ivAndKey = new ParametersWithIV(new KeyParameter(key), iv);
        aes.init(false, ivAndKey);
        byte[] output = new byte[aes.getOutputSize(ciphertext.length)];
        int plaintextLength = aes.processBytes(ciphertext, 0, ciphertext.length, output, 0);
        plaintextLength += aes.doFinal(output, plaintextLength);
        byte[] result = new byte[plaintextLength];
        System.arraycopy(output, 0, result, 0, result.length);
        return result;
    } catch (InvalidCipherTextException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
}

From source file:freemail.RTSFetcher.java

License:Open Source License

private byte[] decrypt_rts(File rtsmessage) throws IOException, InvalidCipherTextException {
    // initialise our ciphers
    RSAKeyParameters ourprivkey = AccountManager.getPrivateKey(account.getProps());
    AsymmetricBlockCipher deccipher = new RSAEngine();
    deccipher.init(false, ourprivkey);//from   w  w  w  .  j av  a  2s .c  om

    PaddedBufferedBlockCipher aescipher = new PaddedBufferedBlockCipher(new CBCBlockCipher(new AESEngine()),
            new PKCS7Padding());

    // first n bytes will be an encrypted RSA block containting the
    // AES IV and Key. Read that.
    byte[] encrypted_params = new byte[deccipher.getInputBlockSize()];
    FileInputStream fis = new FileInputStream(rtsmessage);
    int read = 0;

    while (read < encrypted_params.length) {
        read += fis.read(encrypted_params, read, encrypted_params.length - read);
        if (read < 0)
            break;
    }

    if (read < 0) {
        throw new InvalidCipherTextException("RTS Message too short");
    }

    byte[] aes_iv_and_key = deccipher.processBlock(encrypted_params, 0, encrypted_params.length);

    KeyParameter kp = new KeyParameter(aes_iv_and_key, aescipher.getBlockSize(),
            aes_iv_and_key.length - aescipher.getBlockSize());
    ParametersWithIV kpiv = new ParametersWithIV(kp, aes_iv_and_key, 0, aescipher.getBlockSize());
    try {
        aescipher.init(false, kpiv);
    } catch (IllegalArgumentException iae) {
        throw new InvalidCipherTextException(iae.getMessage());
    }

    byte[] plaintext = new byte[aescipher.getOutputSize((int) rtsmessage.length() - read)];

    int ptbytes = 0;
    while (read < rtsmessage.length()) {
        byte[] buf = new byte[(int) rtsmessage.length() - read];

        int thisread = fis.read(buf, 0, (int) rtsmessage.length() - read);
        ptbytes += aescipher.processBytes(buf, 0, thisread, plaintext, ptbytes);
        read += thisread;
    }

    fis.close();

    try {
        aescipher.doFinal(plaintext, ptbytes);
    } catch (DataLengthException dle) {
        throw new InvalidCipherTextException(dle.getMessage());
    }

    return plaintext;
}