1.4 Aes解密工具类（服务端）

import org.apache.commons.codec.binary.Base64;

import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;

/*
AES加密
*/
public class AesUtils {

/**<br />     * 加密<br />     *<br />     * @param sSrc<br />     * @param sKey<br />     * @return<br />     * @throws Exception<br />     */<br />    public static String Encrypt(String sSrc, String sKey) throws Exception {<br />        byte[] raw = sKey.getBytes("utf-8");<br />        SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");<br />        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");<br />        cipher.init(Cipher.ENCRYPT_MODE, skeySpec);<br />        byte[] encrypted = cipher.doFinal(sSrc.getBytes("utf-8"));
    return new Base64().encodeToString(encrypted);<br />    }
/**<br />     * 解密<br />     *<br />     * @param sSrc<br />     * @param sKey<br />     * @return<br />     * @throws Exception<br />     */<br />    public static String Decrypt(String sSrc, String sKey) throws Exception {<br />        try {<br />            byte[] raw = sKey.getBytes("utf-8");<br />            SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");<br />            Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");<br />            cipher.init(Cipher.DECRYPT_MODE, skeySpec);<br />            byte[] encrypted1 = new Base64().decode(sSrc);<br />            try {<br />                byte[] original = cipher.doFinal(encrypted1);<br />                String originalString = new String(original, "utf-8");<br />                return originalString;<br />            } catch (Exception e) {<br />                System.out.println(e.toString());<br />                return null;<br />            }<br />        } catch (Exception ex) {<br />            System.out.println(ex.toString());<br />            return null;<br />        }<br />    }
public static void main(String[] args) throws Exception {<br />        String cKey = "abcdefgabcdefg12";<br />        // 需要加密的字串<br />        String cSrc = "sdasdsdadasddadsasdafsadsdwdadsfsfasf";<br />        // 加密<br />        String enString = Encrypt(cSrc, cKey);<br />        System.out.println("加密后的字串是：" + enString);<br />        // 解密<br />        String DeString = Decrypt(enString, cKey);<br />        System.out.println("解密后的字串是：" + DeString);<br />    }<br />}