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    <title>Text Control Blog Feed - Digital Signatures only</title>
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    <pubDate>Sun, 16 Nov 2025 17:20:05 +0000</pubDate>
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      <title>Why Digitally Signing your PDFs is the Only Reliable Way to Prevent Tampering</title>
      <description><![CDATA[PDF documents are widely used for sharing information because of their fixed layout and cross-platform compatibility. However, it is crucial to ensure the integrity and authenticity of these documents, especially when sensitive information is involved. Digitally signing PDFs is an effective way to prevent tampering and verify the document's source.]]></description>
      <pubDate>Thu, 30 Oct 2025 11:00:00 +0000</pubDate>
      <link>https://www.textcontrol.com/blog/2025/10/30/why-digitally-signing-your-pdfs-is-the-only-reliable-way-to-prevent-tampering/</link>
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      <author>no-reply@textcontrol.com (Bjoern Meyer)</author>
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      <title>PDF Digital Signatures: Signature Appearance in C#</title>
      <description><![CDATA[TX Text Control allows you to sign signature fields and export PDF documents. This article shows how to create a signature appearance and how to sign a PDF document using C#.]]></description>
      <pubDate>Tue, 19 Dec 2023 11:00:00 +0000</pubDate>
      <link>https://www.textcontrol.com/blog/2023/12/19/pdf-digital-signatures-signature-appearance-in-csharp/</link>
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      <dc:creator>Bjoern Meyer</dc:creator>
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      <title>E-Sign: Validating Signature Hashes Generated from Vector Data in ASP.NET Core C#</title>
      <description><![CDATA[Storing the raw data of the signature, including point positions, velocity, and acceleration, can help strengthen the evidence. By generating and storing a hash of the raw signature data in the encrypted and digitally signed document and in a database, signed documents can be compared and validated.]]></description>
      <pubDate>Mon, 30 Oct 2023 11:00:00 +0000</pubDate>
      <link>https://www.textcontrol.com/blog/2023/10/30/esign-validating-signature-hashes-generated-from-vector-data-in-aspnet-core-csharp/</link>
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      <category domain="https://www.textcontrol.com/blog/tag/security/2023/"><![CDATA[Security]]></category>
      <dc:creator>Bjoern Meyer</dc:creator>
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      <title>Requesting Electronic Signatures using TX Text Control 31.0</title>
      <description><![CDATA[Requesting signatures is a common application using the TX Text Control document viewer available for ASP.NET, ASP.NET Core and Angular. This article shows a typical workflow how to prepare documents for a signature acquisition.]]></description>
      <pubDate>Thu, 18 Aug 2022 10:00:00 +0000</pubDate>
      <link>https://www.textcontrol.com/blog/2022/08/18/requesting-electronic-signatures-using-tx-text-control-310/</link>
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      <category domain="https://www.textcontrol.com/blog/tag/version-310/2022/"><![CDATA[Version 31.0]]></category>
      <dc:creator>Bjoern Meyer</dc:creator>
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