pertain99/paper-cred-demo

Demonstration for the Paper Creds Repository and Universal Verifier SDK

URI-based Verifiable Credentials Demos

This repository hosts a set of demos to sign and verify QR-based credentials created with the PathCheck's URI specification in multiple languages. Demos are available for in HTML+JavaScript, Ruby, Java, Python and Shell Script, computing locally.

Try it out!

• Signer and Verifiers in Static HTML/JavaScript

Run locally:

The following scripts cryptographically sign and verify hardcoded payload you will find in the code. They were designed to look similar among each other and facilitate developer training as opposed to the best version they could be in each language.

Python

See it here.

Clone this Repository

git clone https://github.com/Path-Check/paper-cred-demo

Install the dependencies:

pip3 install ecdsa
pip3 install dnspython

and run with

python verify.py

Ruby

See it here.

Clone this Repository

git clone https://github.com/Path-Check/paper-cred-demo

Install the dependencies:

gem install base32

and run with

ruby verify.rb

Shell Script

See it here.

Clone this Repository

git clone https://github.com/Path-Check/paper-cred-demo

Give permissions:

chmod 777 verify.sh

and run with

./verify.sh

Java

See it here.

Clone this Repository

git clone https://github.com/Path-Check/paper-cred-demo

and run with

javac -classpath libs/commons-codec-1.15.jar verify.java 
java -classpath libs/commons-codec-1.15.jar:. verify