authentication.AES.java Source code

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Here is the source code for authentication.AES.java

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/*
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package authentication;

import com.auth0.jwt.internal.org.apache.commons.codec.binary.Base64;
import java.nio.charset.Charset;
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import org.apache.tomcat.util.codec.binary.StringUtils;

/**
 *
 * @author lucas
 */
public class AES {

    static String IV = "AAAAAAAAAAAAAAAA";
    static String chaveencriptacao = "0123456789abcdef";

    public static String encrypt(String textopuro) throws Exception {
        Cipher encripta = Cipher.getInstance("AES/CBC/PKCS5Padding", "SunJCE");
        SecretKeySpec key = new SecretKeySpec(chaveencriptacao.getBytes("UTF-8"), "AES");
        encripta.init(Cipher.ENCRYPT_MODE, key, new IvParameterSpec(IV.getBytes("UTF-8")));
        byte[] a = encripta.doFinal(textopuro.getBytes("UTF-8"));
        return StringUtils.newStringUtf8(Base64.encodeBase64(a, false));
    }

    public static String decrypt(String textoencriptado) throws Exception {
        Cipher decripta = Cipher.getInstance("AES/CBC/PKCS5Padding", "SunJCE");
        SecretKeySpec key = new SecretKeySpec(chaveencriptacao.getBytes("UTF-8"), "AES");
        decripta.init(Cipher.DECRYPT_MODE, key, new IvParameterSpec(IV.getBytes("UTF-8")));
        return new String(decripta.doFinal(Base64.decodeBase64(textoencriptado)), "UTF-8");
    }

}