TimeStamp Authority Client PQ

License

The software in this repo uses iText and thus is distributed under AGPLv3 license which can be found in the LICENSE.txt file. Furthermore, iText has specific restrictions that can be found here. The contents of this package can be found at https://github.com/EntrustCorporation/PQ-TSA-Client-Software

Pre-requisites

This client application is developed with Java thus the requirements are the following:

• Java 11 or greater.
• Maven 3.6.3 or greater.

Compilation

To compile the application Maven is used. The pom.xml file includes libraries and dependencies:

mvn clean package

Compiled classes will be created automatically at the target directory

Execution

To run the application execute the pdfstamper.sh script.

Usage

./pdfstamper.sh

Will show the usage information of the application.

Verify PDF signatures

./pdfstamper.sh signed_document.pdf

Verifies the integrity of all signatures included in the provided PDF document.

Add a timestamp to a PDF

./pdfstamper.sh signed_document.pdf updated_document.pdf config/configuration.json

Verifies the integrity of all signatures included in the provided PDF document and includes a new timestamp using the TSA configured in the config/configuration.json file.

Configuration

The behavior to request a new timestamp can be configured through the config file that is located at: config/configuration.json the supported fields are:

• tsa.url: URL of the TSA to request the timestamp.
• tsa.reservedPdfTimeStampSize: Size in bytes to reserve in the PDF document to attach the requested timestamp.

Package PQ TSA Client for distribution

tar -zvcf entrust-pq-tsa-client-1.2.1.tar.gz src pom.xml README.md config LICENSE.txt pdfstamper.sh