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Search found 2 matches

by Garfield
Tue Jun 12, 2018 4:24 am
Forum: Algorithm School
Topic: How to get V value when ECC signature?
Replies: 0
Views: 318

How to get V value when ECC signature?

In javacard OS,the returns value of Signature function only contain R and S.
How can I get the V value by R,S and public Key ?
by Garfield
Tue Jun 12, 2018 3:10 am
Forum: Applets Development Guide
Topic: How to throw an exception in my applet
Replies: 1
Views: 677

Re: How to throw an exception in my applet

There is a special function for exception handling in class "ISOException": public static void throwIt(short sw) {} you could use it. Firstly, you need to import the class "ISOException" in your Applet by using the command below: "import javacard.framework.ISOException;"...
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