Using java to encrypt integers

Question

I\'m trying to encrypt some integers in java using java.security and javax.crypto.

The problem seems to be that the Cipher class only encrypts byte arrays. I can\'t d

Answer 1

Just use:

    Integer.toString(int).getBytes();

Make sure you use your original int and getBytes() will return a byte array. No need to do anything else complicated.

To convert back:

    Integer.parseInt(encryptedString);