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Improve PDF signing and validation logic

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Updated `.gitignore` to exclude new files and directories, including `FodyWeavers.xsd` and `appsettings.Secrets.json`.

Refactored `PdfDigitalSignatureService`:
- Improved signing time handling by calculating fallback inline.
- Simplified `SignPdfAsync` by inlining signature building.
- Added `ParseByteRanges` to extract `/ByteRange` values from PDFs.
- Introduced `CoversWholeDocument` to validate document coverage.

Enhanced signature validation:
- Integrated `ParseByteRanges` and `CoversWholeDocument`.
- Streamlined `PdfSignatureCheckItemDto` construction.
- Updated properties to calculate values inline.
- Improved `Unchanged` property to check cryptographic validity and document coverage.

These changes enhance maintainability, readability, and functionality.
This commit is contained in:
tekh
2026-10-13 18:52:28 +02:00
parent 1942d78155
commit c8ddfac8d0
2 changed files with 73 additions and 24 deletions
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.gitignore vendored
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@@ -370,3 +370,4 @@ FodyWeavers.xsd
/EnvelopeGenerator.Server/EnvelopeGenerator.Server/publish-output
/EnvelopeGenerator.Server/EnvelopeGenerator.Server/tekh_softHSM_test.md
/ignore/EnvelopeGenerator.Form
/EnvelopeGenerator.Server/EnvelopeGenerator.Server/appsettings.Secrets.json