1. Download the java files Base64.java and LtpaUtils.java from the 1st link given in under Reference.
2. Export the LTPA key.
3. Copy 3DESKey from exported key and paste it into LtpaUtils.java
4. Remove “” backslah character from it.
5. Additionally type password into LtpaUtils.java that you entered while exporting the key .
6. Run the program while providing Ltpa cookie as argument.