Example usage for org.bouncycastle.util Arrays clone

Introduction

In this page you can find the example usage for org.bouncycastle.util Arrays clone.

Prototype

public static byte[][][] clone(byte[][][] data)

Source Link

Usage

From source file:org.apache.pdfbox.pdmodel.interactive.digitalsignature.visible.PDVisibleSignDesigner.java

License:Apache License

/**
 * //from  w  w  w .  jav  a2 s. c o  m
 * @param imgageStream- stream of your visible signature image
 * @return Visible Signature Configuration Object
 * @throws IOException - If we can't read, flush, or close stream of image
 */
private PDVisibleSignDesigner signatureImageStream(InputStream imageStream) throws IOException {

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int len;
    while ((len = imageStream.read(buffer)) > -1) {
        baos.write(buffer, 0, len);
    }
    baos.flush();
    baos.close();

    byte[] byteArray = baos.toByteArray();
    byte[] byteArraySecond = Arrays.clone(byteArray);

    InputStream inputForBufferedImage = new ByteArrayInputStream(byteArray);
    InputStream revertInputStream = new ByteArrayInputStream(byteArraySecond);

    if (sigImgHeight == null || sigImgWidth == null) {
        calcualteImageSize(inputForBufferedImage);
    }

    this.imgageStream = revertInputStream;

    return this;
}

From source file:org.ethereum.vm.DataWord.java

License:Open Source License

public DataWord clone() {
    return new DataWord(Arrays.clone(data));
}

From source file:org.hyperledger.common.Address.java

License:Apache License

/**
 * Create an address//from  w  w  w.j a  va 2 s  .co  m
 *
 * @param type    - COMMON or P2SH or P2KEY
 * @param address - SHA256(RIPEM160(key)) digest of public key (COMMON, P2KEY) or spend script (P2SH)
 * @throws HyperLedgerException - thrown if digest length is not 20 bytes
 */
public Address(Type type, byte[] address) throws HyperLedgerException {
    this.type = type;
    if (address.length != 20) {
        throw new HyperLedgerException("invalid digest length for an address");
    }
    this.bytes = Arrays.clone(address);
}

From source file:org.hyperledger.common.MasterPrivateKey.java

License:Apache License

@Override
public byte[] getChainCode() {
    return Arrays.clone(chainCode);
}

From source file:org.hyperledger.common.PublicKey.java

License:Apache License

@Override
public byte[] toByteArray() {
    return Arrays.clone(pub);
}

From source file:org.hyperledger.core.BloomFilter.java

License:Apache License

/**
 * Create a bloom filter/*from w  w  w  . j av  a2s . c  o m*/
 *
 * @param data          filter content
 * @param hashFunctions - number of hash functions to use
 * @param tweak         - obfuscation parameter
 * @param update        - a flag if transactions identified by the filter should update the filter
 */
public BloomFilter(byte[] data, int hashFunctions, int tweak, UpdateMode update) {
    filter = Arrays.clone(data);
    this.hashFunctions = Math.min(hashFunctions, MAX_HASH_FUNCS);
    this.tweak = tweak;
    this.update = update;
}

From source file:org.syncany.tests.crypto.AesGcmWithBcInputStreamTest.java

License:Open Source License

@Test
public void testD_BouncyCastleCipherInputStreamWithAesGcm()
        throws InvalidKeyException, InvalidAlgorithmParameterException, IOException, NoSuchAlgorithmException,
        NoSuchProviderException, NoSuchPaddingException {
    // Encrypt (not interesting in this example)
    byte[] randomKey = createRandomArray(16);
    byte[] randomIv = createRandomArray(16);
    byte[] originalPlaintext = "Confirm 100$ pay".getBytes("ASCII");
    byte[] originalCiphertext = encryptWithAesGcm(originalPlaintext, randomKey, randomIv);

    // Attack / alter ciphertext (an attacker would do this!) 
    byte[] alteredCiphertext = Arrays.clone(originalCiphertext);
    alteredCiphertext[8] = (byte) (alteredCiphertext[8] ^ 0x08); // <<< Change 100$ to 900$

    // Decrypt with BouncyCastle implementation of CipherInputStream
    AEADBlockCipher cipher = new GCMBlockCipher(new AESEngine());
    cipher.init(false, new AEADParameters(new KeyParameter(randomKey), 128, randomIv));

    try {/*from  w ww.  ja  v  a  2s. co m*/
        readFromStream(new org.bouncycastle.crypto.io.CipherInputStream(
                new ByteArrayInputStream(alteredCiphertext), cipher));
        //             ^^^^^^^^^^^^^^^ INTERESTING PART ^^^^^^^^^^^^^^^^   
        //
        //  The BouncyCastle implementation of the CipherInputStream detects MAC verification errors and
        //  throws a InvalidCipherTextIOException if an error occurs. Nice! A more or less minor issue
        //  however is that it is incompatible with the standard JCE Cipher class from the javax.crypto 
        //  package. The new interface AEADBlockCipher must be used. The code below is not executed.      

        fail("Test D: org.bouncycastle.crypto.io.CipherInputStream:        NOT OK, tampering not detected");
    } catch (InvalidCipherTextIOException e) {
        System.out
                .println("Test D: org.bouncycastle.crypto.io.CipherInputStream:        OK, tampering detected");
    }
}

From source file:org.xipki.ca.api.X509CertWithDBCertId.java

License:Open Source License

public byte[] getSubjectKeyIdentifier() {
    return Arrays.clone(subjectKeyIdentifer);
}

From source file:org.xipki.ca.qa.api.X509IssuerInfo.java

License:Open Source License

public byte[] getSubjectKeyIdentifier() {
    return Arrays.clone(ski);
}

From source file:org.xipki.ca.qa.impl.internal.QaAdmission.java

License:Open Source License

public byte[] getAddProfessionInfo() {
    return Arrays.clone(addProfessionInfo);
}