Java adds digital signature to Word. Java method to add digital signature to Word. A digital signature is an electronic cryptographic authentication stamp applied to digital data to confirm that the information from the signer and that the document contents have not been tampered with. This article will introduce how to use Spire.DocforJava to add digital signatures to Word documents programmatically.
Tools/Materials
IntedliJIDEA
JDK1.8.0
Jar package: spire.doc.jar4.5.1
< p>Word document: .docx2013 versionDigital certificate: .pfx and secret key
Operation method
01
1. About How to import jar
1.1 Manually download the jar package and import,
1.2 Maven warehouse download and import, the pom.xml file must be configured, as follows:
repositories p>
repository
idcom.e-iceblue/id
url
/repository
/repositories
dependencies
dependency
groupIde-iceblue/groupId
spire.doc
version4.5.1/version
/dependency
/dependencies
You can download and import after completing the configuration.
02
Java code:
importcom.spire.doc.*;
publicclassAddSignature{
publicstaticvoidmain (String[]args){
//Load Word document
Documentdoc=newDocument();
doc.loadFromFile("test.docx");
//Add digital signature and save the document
doc.saveToFile("AddSignature.docx",FileFormat.Docx_2013,"Cermia.pfx","123654yes!");< /p>
}
}
03
Run the program to generate a Word document.
You can view the effect of adding a signature in the picture below: