Method _cryptIES

src/main/java/com/trsst/Crypto.java:90–102

(byte[] input, Key recipient,
            boolean forEncryption)

    }

    private static byte[] _cryptIES(byte[] input, Key recipient,
            boolean forEncryption) throws InvalidKeyException,
            IllegalBlockSizeException, BadPaddingException {
        IESCipher cipher = new IESCipher(new IESEngine(
                new ECDHBasicAgreement(), new KDF2BytesGenerator(
                        new SHA1Digest()), new HMac(new SHA256Digest()),
                new PaddedBufferedBlockCipher(new CBCBlockCipher(
                        new AESEngine()))));

        cipher.engineInit(forEncryption ? Cipher.ENCRYPT_MODE
                : Cipher.DECRYPT_MODE, recipient, new SecureRandom());
        return cipher.engineDoFinal(input, 0, input.length);
    }

    public static byte[] generateAESKey() {
        byte[] result = new byte[32];