Rafał Chomczyk rchomczyk

rchomczyk / if.xsd

Created March 13, 2024 19:59

	<?xml version="1.0"?>
	<xs:schema
	targetNamespace="https://gist.githubusercontent.com/rchomczyk/31fff815e757f9dff61bb9f2c99d38aa/raw/bc23d70320361356a2b93a5f1691d58cc7d7f9ee/if.xsd"
	elementFormDefault="qualified"
	xmlns="https://gist.githubusercontent.com/rchomczyk/31fff815e757f9dff61bb9f2c99d38aa/raw/bc23d70320361356a2b93a5f1691d58cc7d7f9ee/if.xsd"
	xmlns:xs="http://www.w3.org/2001/XMLSchema">
	<xs:simpleType name="slot">
	<xs:restriction base="xs:integer">
	<xs:minInclusive value="0"/>
	<xs:maxInclusive value="53"/>

rchomczyk / u-license-decryption-poc.java

Last active October 7, 2024 15:19

Simple proof of concept, which decrypts the uLicense's license, which is encrypted using the AES algorithm and encoded with Base64.

	private String decrypt(String decryptionKey, String encodedValue) {
	String[] splitSample = new String(Base64.getDecoder().decode(encodedValue), StandardCharsets.UTF_8).split("\\\\uLicense\\\\");

	String salt = splitSample[0];
	String pass = splitSample[1];
	try {
	SecretKeySpec secretKeySpec = new SecretKeySpec(
	decryptionKey.getBytes(StandardCharsets.UTF_8), "AES");
	IvParameterSpec parameterSpec = new IvParameterSpec(Hex.decodeHex(salt));