Some PDF readers may also allow you to add a digital signature using a digital certificate. This is a more secure way to sign a PDF document and can help to prevent unauthorized changes. You may also be able to customize the appearance of your signature, such as changing the color or sty...
步骤1、启动该软件，点击【OpenFile】打开需要签名的pdf文档。步骤2、在顶部菜单栏中点击【Edit】，然后选择【Signature】，接着点击【CreateSignature】创建签名。步骤3、在这里，您有三种选项可以创建并添加签名到pdf文件中：添加图片、输入文本及手写签名。您可以根据个人偏好，选择对应的签名方式。步骤4、添加完签名后...
将数字签名对象添加到PDF文件中。 // 添加数字签名document.addSignature(signature,newMySignatureInterface(keystore,"password")); 1. 2. 步骤五:保存并输出带有数字签名的PDF文件 最后,保存并输出带有数字签名的PDF文件。 // 保存PDF文件document.save("path/to/output.pdf");document.close(); 1. 2. 3. ...
9 如下图所示依次点击菜单栏中的insert选项中的standard选项中的Document Signature Field选项，这时文档中会出现一个长方形签名框，用鼠标将这个长方形签名框挪至签名的地方，并根据内容调整这个长方形签名框的大小。在这里笔者就制作了一个签名框，可以复制黏贴多个签名框。10 调整好签名框的位置和大小后点击菜单栏左...
There are four easy ways to add an electronic signature: select from your saved signatures; add it as an image file; draw it in Lumin; or write it using a Lumin signature style.
How to add an e-signature Use these easy steps to add your hand-drawn signature to a PDF document: Step 1. Open up your PDF with Microsoft Edge. If you use Windows, your computer might automatically open up PDFs in Edge. If not, you can right-click on the PDF file and choose Open...
Sign your PDF document with a digital signature according to the protocols of Public Key Infrastructure (PKI). Open your PDF document. Right-click in the PDF document where you want to add the Digital signature. Select Sign Document from the right-click menu. Note: This option is not availab...
section Create Signature Create Signature section Add Signature to Document Add Signature to Document section Save Document Save Document 通过以上代码示例和图示,我们可以了解如何使用Java开源库对PDF文档进行数字签名。数字签名可以确保文档的完整性和可信度,提高文档的安全性。希望本文能对您有所帮助。
import com.spire.pdf.security.PdfCertificationFlags;import com.spire.pdf.security.PdfSignature;import java.awt.*;import java.awt.geom.Point2D;import java.awt.geom.Rectangle2D;public class AddCertificate { public static void main(String[]args){ //加载PDF文档 PdfDocument doc = new PdfDocument();...
Also, we can change the size of the signature according to our needs. ClickDeleteto delete the signature. For the security of the file, we can clickApply. Now the signature is integrated with the PDF document and cannot be deleted or modified. If we have purchased WPS Premium, click the...