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White-paper: digital signatures

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What’s new in PDF 2.0 regarding digital signatures – whitepaper by Bruno Lowagie, CEO of the iText Software Group


Author: Bruno Lowagie
Date: August 27, 2012

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White-paper: digital signatures

In December 2011, the US Office of Legislative Counsel wrote a white paper titled Authentication of Primary Legal Materials and Pricing Options. It revealed the juridical aspects (US law), and mentioned a few solutions (with price indication) by name, amongst others iText.

Based upon that white paper, iText’s Bruno Lowagie wrote a technical paper, explaining in a profound way the various technical aspects concerning digital signatuers in PDF documents, in 5 chapters:

  1. Understanding the concept of digital signatures
  2. PDF and digital signatures
  3. Certificate Authorities, certificate revocation and time stamping
  4. Creating signatures externally
  5. Validation of signed documents

Download the complete white-paper Download PDF icon

Download the slides Download PDF icon