防止用户意外更改宏项目和使签名失效的一种方法是在应用签名之前锁定宏项目。 数字签名可确保项目自你签名后未被篡改，但无法证明你编写了该项目。

签名用于验证更新是否直接来自 Microsoft，且在交付过程中未被篡改。 由于 SHA-1 算法中的缺点和符合行业标准，我们已更改 Windows 更新的签名，以独占方式使用更安全的 SHA-2 算法。

SharePoint is a browser-based app that you connect to through your web browser. With SharePoint, you can do many things, such as: uploading and sharing files to your document library, collaborating on files with others, creating a team site or communication site, and more. If your organization has assigned you a license that includes SharePoint, you can sign in. In this article, we discuss the ...

本文介绍如何获取或创建用于 Office 文档的数字签名。 若要详细了解如何在 Office 文档中使用它们，请参阅 在 Office 文件中添加或删除数字签名。

Summary The /INTEGRITYCHECK linker option provides Windows kernel digital signature verification for user mode Portable Executables (PE) files. This linker option is required for anti-malware and anti-cheat scenarios to register components with the Windows Security Center. You must sign IntegrityCheck-linked user mode PEs using Trusted Signing (formerly Azure Code Signing). The cross-signing ...

你可以使用随时可用的签名库模板创建电子邮件签名。 只需获取模板，将所需签名复制到电子邮件中并对其进行个性化设置，即可创建自己的 Outlook 签名。

After you complete the upgrade to the V3 signatures, we recommend that you enable the Only trust VBA macros that use V3 signatures policy setting to make sure that only V3 signature-signed files are trusted.

默认情况下，为了确保向后兼容性，具有现有签名的 VBA 文件将继续有效，并且使用 V3 签名的文件可以在早期版本的 Office 或未更新的 Office 客户端中打开和运行。

Introduction Windows updates released on and after February 13, 2024 include the ability to apply the Windows UEFI CA 2023 certificate to UEFI Secure Boot Allowed Signature Database (DB). Updating the DB will enable devices to receive future boot loader updates that are included in monthly updates. This is important because the existing certificate will expire and moving to the new certificate ...

若要创建电子签名请求，需要使用可用的电子签名提供程序（如 Adobe Sign 或 DocuSign）登录到帐户。 如果没有帐户，可以轻松开始免费试用或创建帐户。