Sorry, unfortunately, PDFBlackbox (VCL) is no longer in our catalog because of its illegal activity.
Please search between related programs bellow.
Publisher description
With help of PDFBlackbox your Delphi, C++Builder or FreePascal application can * Sign and verify PDF documents using RSA public keys and X.509 certificates * Encrypt and decrypt PDF documents using RSA public keys and X.509 certificates * Encrypt and decrypt PDF documents using symmetric keys (passwords, passphrases) * Timestamp PDF documents * Perform operations using keys stored on cryptographic hardware (USB cryptotokens and smartcards) * Compress the documents, being processed, using ZLib compression algorithm * Handle huge PDF documents without significant memory requirements PDFBlackbox components are a clean-room implementation of PDF format specification, which don't use any third-party libraries for core functionality. VCL edition of PDFBlackbox can be used with Delphi 5 to Delphi XE3, C++Builder 2007 to C++Builder XE3, FreePascal 2.6 and later.
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