Digital signatures - chapter 5

These examples were written in the context of Chapter 5 - "Validation of signed documents" of the Digital Signatures for PDF documents eBook.

c5_01_signatureintegrity

Checking the validity of a signature:

##GITHUB:https://github.com/itext/i7js-signatures/blob/develop/src/test/java/com/itextpdf/samples/signatures/chapter05/C5_01_SignatureIntegrity.java##

##GITHUB:https://github.com/itext/i7ns-samples/blob/develop/itext/itext.publications/itext.publications.signatures/itext/samples/signatures/chapter05/C5_01_SignatureIntegrity.cs##

c5_02_signatureinfo

Retrieving information from a signature:

##GITHUB:https://github.com/itext/i7js-signatures/blob/develop/src/test/java/com/itextpdf/samples/signatures/chapter05/C5_02_SignatureInfo.java##

##GITHUB:https://github.com/itext/i7ns-samples/blob/develop/itext/itext.publications/itext.publications.signatures/itext/samples/signatures/chapter05/C5_02_SignatureInfo.cs##

c5_03_certificatevalidation

Validating the certificates of a signature:

##GITHUB:https://github.com/itext/i7js-signatures/blob/develop/src/test/java/com/itextpdf/samples/signatures/chapter05/C5_03_CertificateValidation.java##

##GITHUB:https://github.com/itext/i7ns-samples/blob/develop/itext/itext.publications/itext.publications.signatures/itext/samples/signatures/chapter05/C5_03_CertificateValidation.cs##