Android String Encrypt encrypt(String keyStr, String plainText)

Description

encrypt

Declaration

public static String encrypt(String keyStr, String plainText) 

Method Source Code

//package com.java2s;
import java.security.Key;
import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Base64;

public class Main {
    private static final String AESTYPE = "AES/ECB/PKCS5Padding";

    public static String encrypt(String keyStr, String plainText) {
        byte[] encrypt = null;
        try {/*from  ww w .j a  v  a  2  s .c o m*/
            Key key = generateKey(keyStr);
            Cipher cipher = Cipher.getInstance(AESTYPE);
            cipher.init(Cipher.ENCRYPT_MODE, key);
            encrypt = cipher.doFinal(plainText.getBytes());
        } catch (Exception e) {
            e.printStackTrace();
        }
        return new String(Base64.encodeBase64(encrypt));
    }

    private static Key generateKey(String key) throws Exception {
        try {
            SecretKeySpec keySpec = new SecretKeySpec(key.getBytes(), "AES");
            return keySpec;
        } catch (Exception e) {
            e.printStackTrace();
            throw e;
        }

    }
}

Related

1. encrypt(String seed, String cleartext)
2. encrypt(String str)