Code example for Cipher

Methods: getBlockSizeinit

0
	protected void initCiphers(String secureKey) throws UnsupportedEncodingException,
			NoSuchAlgorithmException, InvalidKeyException, InvalidAlgorithmParameterException { 
		IvParameterSpec ivSpec = getIv();
		SecretKeySpec secretKey = getSecretKey(secureKey);
 
		writer.init(Cipher.ENCRYPT_MODE, secretKey, ivSpec);
		reader.init(Cipher.DECRYPT_MODE, secretKey, ivSpec);
		keyWriter.init(Cipher.ENCRYPT_MODE, secretKey);
	} 
 
	protected IvParameterSpec getIv() {
		byte[] iv = new byte[writer.getBlockSize()];
		System.arraycopy("fldsjfodasjifudslfjdsaofshaufihadsf".getBytes(), 0, iv, 0,
				writer.getBlockSize());
		return new IvParameterSpec(iv);
	} 
 
	protected SecretKeySpec getSecretKey(String key) throws UnsupportedEncodingException,
			NoSuchAlgorithmException { 
		byte[] keyBytes = createKeyBytes(key);
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