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How to implement os2ip and i2osp as per PKCS#1 specification in javacard ?

Posted: Fri Jan 24, 2020 1:19 am
by nikhilnick23
As i know that it can be implemented in java by using BigInteger and Yes, there is a BigNumber class in javacard which we can use but its limitation is upto 8 bytes.

what about really big numbers like 150-160 digits long ?

How do we implement os2ip and i2osp in case of javacard ?