40 Bit Software

pdfcrypt by SANFACE Software

pdfcrypt allows you to encrypt a PDF (40 bits and 128 bits), set permissions, add user and owner password. For example you can encrypt a pdf without to allow to print it. The button to print the file will be disabled in Acrobat Reader application.

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ABCCrypto by WebSupergoo Software

ABCCrypto is an ATL COM component for encrypting and decrypting data. It's incredibly simple to use and works with virtually any format you'll ever come across. You can encrypt or decrypt variants, BLOB data or files.

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QSE Quick & Simple Encryption by K. Hofacker

Quick and secure file encryption. Encrypts all types of files. Comfortable and easy operation from Windows Explorer context menu. Uses highly secure standard Windows encryption algorithmns. Optional password quality control and more comfort features.

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