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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.
Check related iText 7 content!

These examples were written in the context of the white paper Digital Signatures for PDF documents.


c5_01_signatureintegrity


c5_02_signatureinfo


c5_03_certificatevalidation


c5_04_ltv


c5_05_checkltv


c5_06_validateltv