PDFBlackbox (VCL)

PDFBlackbox (VCL Edition) is a comprehensive collection of native components that help you compress, encrypt and sign PDF documents from your Delphi or Kylix applications. Both symmetric and certificate-based (X.509) encryption and signing is supported. VCL edition can be used with Delphi 4-7 and 2005-2006, C++Builder 4-6 and Kylix 2-3.