pdf-digital-signature

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fanzizheng / ofdpdfsigner

一个强大的OFD/PDF签章工具，支持格式转换、文档加密、电子签名、数字印章和完整性保护。A powerful OFD/PDF signing tool that supports format conversion, document encryption,electronic signature, digital seal, and integrity protection.

Updated Jan 5, 2026
C++

SyncfusionExamples / PAdES-digital-signature-sample

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.NET sample for digitally signing PDFs using PAdES, including LTV, LTA, and trusted timestamps.

dotnet timestamp pdf-library pades-ltv pdf-digital-signature

Updated Apr 21, 2026
C#

SyncfusionExamples / deferred-pdf-signing-csharp

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This repository contains C# examples using the Syncfusion PDF library to demonstrate deferred PDF signing. Learn how to prepare PDFs for deferred signing, generate a hash for external signing, and apply signatures later in .NET applications with step-by-step guidance.

pdf-library sign-pdf pdf-digital-signature deferred-sign external-pdf-signing

Updated Sep 13, 2025
C#

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