/Java/Java spring username encode and decode

Java spring username encode and decode

private static final String ALGO = "AES";
private static final byte[] keyValue = new byte[] { 'T', 'E', 'S', 'T' };


/**
 * Encrypt a string using AES encryption algorithm.
 *
 * @param pwd the password to be encrypted
 * @return the encrypted string
 */
public static String encrypt(String pwd) {
    String encodedPwd = "";
    try {
        Key key = generateKey();
        Cipher c = Cipher.getInstance(ALGO);
        c.init(Cipher.ENCRYPT_MODE, key);
        byte[] encVal = c.doFinal(pwd.getBytes());
        encodedPwd = Base64.getEncoder().encodeToString(encVal);

    } catch (Exception e) {

        e.printStackTrace();
    }
    return encodedPwd;

}

/**
 * Decrypt a string with AES encryption algorithm.
 *
 * @param encryptedData the data to be decrypted
 * @return the decrypted string
 */
public static String decrypt(String encryptedData) {
    String decodedPWD = "";
    try {
        Key key = generateKey();
        Cipher c = Cipher.getInstance(ALGO);
        c.init(Cipher.DECRYPT_MODE, key);
        byte[] decordedValue = Base64.getDecoder().decode(encryptedData);
        byte[] decValue = c.doFinal(decordedValue);
        decodedPWD = new String(decValue);

    } catch (Exception e) {

    }
    return decodedPWD;
}

/**
 * Generate a new encryption key.
 */
private static Key generateKey() {
    SecretKeySpec key = new SecretKeySpec(keyValue, ALGO);
    return key;
}

Source: stackoverflow.com

Similar codes

-1 vote319 views1 answer
Spring jpa group by query method
Java
0 vote304 views1 answer
Mergesort java
Java
-1 vote281 views1 answer
Can a method be abstract and final in abstract class
Java
10 votes302 views6 answers
Toast in android kotlin
Java
0 vote295 views1 answer
How to create a udp protocol for transfer a big quantity of files java
Java
0 vote331 views1 answer
Picked up _JAVA_OPTIONS: -Xmx256M intillij
Java
0 vote294 views1 answer
How to remove null values in java
Java
0 vote303 views1 answer
RSF
Java
0 vote268 views1 answer
Matlab java.lang.IllegalArgumentException: Invalid range
Java
0 vote357 views1 answer
Intelilj javadoc: error - Malformed locale name: UTF8
Java