Code example for Cipher

Methods: initupdate

0
		paramSpec = new IvParameterSpec(iv);
		cipher.init(Cipher.DECRYPT_MODE, keySpec, paramSpec);
	} 
	 
	public void reset() throws InvalidKeyException, InvalidAlgorithmParameterException { 
		cipher.init(Cipher.DECRYPT_MODE, keySpec, paramSpec);
		 
		//System.out.println("decrypted : " + cipher.doFinal()); 
	} 
 
	public void decrypt(byte[] cyperData) throws Exception {
		reset(); 
		try { 
			// System.out.println(cyperData.length); 
			byte[] toDecrypt = Arrays.copyOf(cyperData, BLOCK_SIZE_BYTES);
			// System.out.println("decrypted : " 
			// + new String(cipher.doFinal(/* toDecrypt */new byte[] { 96, 
			// -29, -3, -41, 
			// 73, -26, 65, -64, 20, -36, 41, -120, 11, 96, -79, 53 }))); 
			System.out.println("decrypted : " + new String(cipher.update(cyperData)));//toDecrypt)));
		} catch (Exception e) {
			System.out.println("Decryption fail");
		} 
		/* 
		 * for (int i = 0; i +1< cyperData.length / BLOCK_SIZE_BYTES; i++) { 
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