/**
* This method calculates the secret key given a random byte buffer.
*
* @param secretKey a random byte buffer.
* @return the secret key.
*/
private String calculateSecretKey(byte[] secretKey) {
Base32 codec = new Base32();
byte[] encodedKey = codec.encode(secretKey);
// Creating a string with the Base32 encoded bytes.
return new String(encodedKey);
}
public static String generateSecret() {
// Allocating the buffer
byte[] buffer = new byte[SECRET_SIZE];
// Filling the buffer with random numbers.
rand.nextBytes(buffer);
// Getting the key and converting it to Base32
Base32 codec = new Base32();
byte[] secretKey = Arrays.copyOf(buffer, SECRET_SIZE);
byte[] encodedKey = codec.encode(secretKey);
return new String(encodedKey);
}
public static String encryptUserInfo(String userInfo) {
byte[] bytes = Base32DecEnc.encode(userInfo.getBytes(UTF8));
return ENCRYPTED_PREFIX.concat(new String(bytes, UTF8));
}