itext android digital signature verification

StackOverflow https://stackoverflow.com/questions/21726790

题

i am able to digitally sign pdf , during signature verification in android getting error as

Supplied key (null) is not a RSAPublicKey instance

but the same code in simple java for same PDF file it is verifying, integrity check is giving true. what is the issue with android itext version?

没有正确的解决方案

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