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Depending on your needs, LibreOffice Writer offers varying degrees of security for PDFs.
PDFs, the preferred format for file sharing, only offer primitive privacy and security measures. With these command-line tools, you can help your PDFs meet modern security requirements.
We'll show you the free and easy way to set up digital signatures for office documents and email.
Using personal, self-signed certificates and digital encryption.
SSL Encryption and Signature Compilation
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