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How to sign automatically a PDF twice ?

Asked by blueshaolin in Perl Programming Language

Tags: Perl, PDF, digital signature, multiple signature

Hi everyone, I hope you could help me with this situation:

I have a 'normal' PDF file stored in a linux server as well as two digital signature (X.509) files stored there.

Basically I need to sign twice (with the stored signature files) that PDF using Perl. This procedure will be called from a web page.

I have searched on CPAN and google for any idea without success so far.

Thanks in advance for your help !

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