JavaCard OS

Posted: **Wed Aug 09, 2017 1:45 am**

There are 2 buffers for t=0 protocol in Javacard 3.0, namely Scratch buffer and APDU buffer,
why do we need 2 buffers?

Posted: **Wed Aug 09, 2017 10:39 pm**

I have never heard the scratch buffer in the JC 3.0.x specifications. are you referring to the reference implementation?

Scratch buffer and APDU buffer