[PDFBOX-5388] Avoid duplicate certificates in AddValidation example

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.0.25
• Fix Version/s: 2.0.26, 3.0.0 PDFBox
• Component/s: Signing
• External issue URL: https://chat.stackoverflow.com/rooms/242886/discussion-on-answer-by-mkl-base64-digest-pfxpkcs12-etsi-cades-detached-s
• Assignee: Tilman Hausherr
• Reporter: Tilman Hausherr
• Created: 14/Mar/22 16:40
• Updated: 21/Apr/22 15:38
• Resolved: 14/Mar/22 16:43

Description

Adelin Voicu mentioned that we have duplicate certificates in the DSS. I'll fix this, and also take care that the COSStream objects are reused, by using a temporary certificate-to-COSStream map.

With the change, the timestamped_LTV.pdf result file shrinks from 59KB to 51KB.