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Encrypt PDF Command Line Options – VeryPDF
Note: Please put “” on your file name with space.
Encrypt a PDF file in the command line using pdftk command.
Encryption – Is there a tool that can add a password to a PDF
Encrypt PDF Command Line 2.3 [Full Crack].Zip – theDownloadPlace
Perl – Encrypt a PDF file in the command line using pdftk
PdfCrypt is a windows 32 console/command line version PDF encrypt & decrypt software, supports standard 48 bits, 128 bits, AES-128 bits encryption, and decryption.