If the central office is not convinced that such a message is truly sent from an authorized source, acting on such a request could be a grave mistake Integrity In many scenarios, the sender and receiver of a message may have a need for confidence that the message has not been altered during transmission. For example, suppose a bank's branch office sends instructions to the central office requesting a change in the balance of an account. The importance of high confidence in sender authenticity is especially obvious in a financial context. When ownership of a digital signature secret key is bound to a specific user, a valid signature shows that the message was sent by that user. Digital signatures can be used to authenticate the source of messages. (source Wikipedia) Authentication Although messages may often include information about the entity sending a message, that information may not be accurate. Main features: supports visible signatures can set certification level supports PDF encryption with setting rights timestamp support certificate revocation checking (CRL and/or OCSP) 1.1 Benefits of digital signatures Below are some common reasons for applying a digital signature to communications. User can control the application using simple Swing GUI or command line arguments. It's written in Java programming language and it can be launched on the most of current OS (MS Windows, Linux, Mac OS X.). 1 Digital signatures for your PDF documentsĢ Table of Contents 1 JSignPdf Introduction Benefits of digital signatures Authentication Integrity License History Author Getting support Prerequisites Java Keystore Exporting PKCS12 certificates from Internet Explorer Java Key and Certificate Management Tool Installation Windows installer Zip package /LibreOffice Add-On Launching Windows Start menu Without start menu /LibreOffice Add-On Using JSignPdf signing PDF files Simple version More detailed version Select Key Store Type Keystore file and password Input and Output PDF files Reason, location, contact Remember passwords Sign It Advanced view Key alias Key password Append signature Certification level Hash algorithms Encryption Encryption: Passwords Encryption: Certificate Rights Visible signature Page Signature corners Preview / Select button Display Acrobat 6 layers Texts and Images TSA timestamps / 32ģ 5.7 Certificate revocation checking CRL OCSP Proxy settings Advanced application configuration conf.properties Java VM options using EXE launchers Uninstall Windows uninstaller Zip package /LibreOffice Add-On Solving problems Out of memory error /LibreOffice Add-On Changing the application language Change language when running through Windows EXE launcher Other problems consult online FAQ Command line (batch mode) Program exit codes Examples Simplest signature on windows PKCS12 signature with encryption Listing KeyStore types Listing key aliases in a KeyStore Other command line tools InstallCert Tool Verifier Program exit codes SignatureCounter Program exit codes / 32Ĥ 1 JSignPdf Introduction JSignPdf is an open source application which adds digital signatures to PDF documents.
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