PDFBlackbox VCL

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.