I am writing you because I want to implement the DPS signature with elliptic curves in Java. I found this library http://docs.oracle.com/javase/7/docs/api/java/security/spec/package-summary.html which ...
There is an RSA implementation which I need to attack to get the encrypted messages. Some of the values are known. Plain text value for input. So if I enter a message, say it "A", the plain text is ...