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  1. Verify document for signatures | Documentation

    This section explains how to verify document for electronic signatures using GroupDocs.Signature for Java...🛡 Barcodes 🛡 Digital 🛡 QR Codes 🛡 Text 🛡 Mutiple Was this...

    docs.groupdocs.com/signature/java/verify-docume...
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  2. Verify document for signatures | Documentation

    This topic explains how to verify documents for various electronic signatures with GroupDocs.Signature API....🛡 Digital certificates 🛡 QR Codes 🛡 Texts 🛡 Multiple types...

    docs.groupdocs.com/signature/net/verify-documen...
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  3. Search for electronic signatures in document | ...

    This topic learns how to search for document electronic signature and its details...🔍 Digital certificates 🔍 QR Codes 🔍 Metadata 🔍 Form fields...

    docs.groupdocs.com/signature/net/search-for-ele...
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  4. Search for encrypted objects Metadata signature...

     This article explains how to search for encrypted electronic signatures in the document metadata. This topic contains example of using standard encryption, serialization, class definition and search for embedded objects in the document metadata with GroupDocs.Signature....same parameters as secured QR-code was signed with. Create objects...Examples You may easily run the code above and see the feature in...

    docs.groupdocs.com/signature/java/search-for-en...
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  5. Searching for document signatures excluding ext...

    This article explains how to search with excluding non-signature components like native documents text, images or barCodes that are the part of document content....component (text/image/barcode/qr-code) is the actual signature or...Examples You may easily run the code above and see the feature in...

    docs.groupdocs.com/signature/net/searching-for-...
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  6. 在 Word、Excel、PowerPoint、PDF 中使用 C# 搜索图像签名

    使用 .NET Signature API 从 C# 中的任何文档(DOC、XLS、PPT、PDF) 中搜索条形码、二维码、数字或电子签名以及图像数据内容。... // Search QR Code Signatures in PDF document...

    blog.groupdocs.com/zh/signature/search-image-si...
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  7. How to generate barcode and sign document using...

    This guide describes how to improve your document with generated barCodes using C#. Sign your documents with Codabar, Event or Code39Extended using GroupDocs.Signature .NET API by GroupDocs....with data encrypted in Bar or QR codes using C# in .NET applications... it is possible to generate code as an image. Create the BarcodeSignOptions...

    docs.groupdocs.com/signature/net/how-to-generat...
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  8. Searching for document signatures excluding ext...

    This article explains how to search with excluding non-signature components like native documents text, images or barCodes that are the part of document content....component (text/image/barcode/qr-code) is the actual signature or...Examples You may easily run the code above and see the feature in...

    docs.groupdocs.com/signature/java/searching-for...
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  9. Generate signature preview | Documentation

    This topic explains how to get signature preview with the SignOptions by GroupDocs.Signature API.... QR ); // setup Data property with...Examples You may easily run the code above and see the feature in...

    docs.groupdocs.com/signature/java/generate-sign...
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  10. Secure PDFs with Password Protection & Permissi...

    Step-by-step guide to implementing PDF document security with GroupDocs.Signature - add passwords, set user permissions, and control document access for enhanced protection...signature options, such as QR codes, text, or images, depending...password: // Example: Adding QR code signature and password-protecting...

    blog.groupdocs.com/signature/protect-signed-pdf...
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