Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.Key;

import java.security.spec.AlgorithmParameterSpec;

import javax.crypto.Cipher;

import javax.crypto.spec.PBEParameterSpec;

public class Main {
    /**
     * Initializes the Cipher for use.
     */
    public static void initCipher(Cipher cipher, int mode, Key secretKey) {
        initCipher(cipher, mode, secretKey, null);
    }

    /**
     * Initializes the Cipher for use.
     */
    public static void initCipher(Cipher cipher, int mode, Key secretKey, byte[] salt, int iterationCount) {
        initCipher(cipher, mode, secretKey, new PBEParameterSpec(salt, iterationCount));
    }

    /**
     * Initializes the Cipher for use.
     */
    public static void initCipher(Cipher cipher, int mode, Key secretKey, AlgorithmParameterSpec parameterSpec) {
        try {
            if (parameterSpec != null) {
                cipher.init(mode, secretKey, parameterSpec);
            } else {
                cipher.init(mode, secretKey);
            }
        } catch (InvalidKeyException e) {
            throw new IllegalArgumentException("Unable to initialize due to invalid secret key", e);
        } catch (InvalidAlgorithmParameterException e) {
            throw new IllegalStateException("Unable to initialize due to invalid decryption parameter spec", e);
        }
    }
}