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iText 5 is the previous major version of iText's leading PDF SDK. iText 5 has been EOL, and is no longer developed. Switch your project to iText 7, integrating the latest developments.
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These examples were written in the context of the white paper Digital Signatures for PDF documents.


c3_01_signwithcacert


c3_02_getcrlurl


c3_03_signwithcrldefaultimp


c3_04_signwithcrlonline


c3_05_signwithcrloffline


c3_06_getocspurl


c3_07_signwithocsp


c3_08_gettsaurl


c3_09_signwithtsa


c3_10_signwithtsaevent


c3_11_signwithtoken


c3_12_signwithestimatedsize