/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

0 vote313 views1 answer
Tim 2 phan tu giong nhau trong 1 mang java
Java
1 vote258 views1 answer
System.out.println giving error syntax error on token ".", @ expected after this token
Java
1 vote306 views1 answer
How to increment character in java
Java
0 vote279 views1 answer
Set location of a label java
Java
0 vote281 views1 answer
Add mockito to java project
Java
0 vote285 views1 answer
Copying value from one input field to another input field using checkbox
Java
3 votes315 views2 answers
Random suffling java
Java
30 votes297 views6 answers
How to reverse a string in java
Java
5 votes288 views1 answer
Android localdatetime
Java
0 vote260 views1 answer
Tostring javadoc
Java