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SAML x509 authentication and Verifiable Credentials

Dependencies

To be able to run this project you will need to install:

  • a browser capable of loading certificates (Chrome, IE, Firefox, Safari)
  • NodeJs and node package manager (npm)
  • sqlite3

Set-up - linux

The following steps were tested on linux mint 19.3 "Tricia" - Cinnamon (64-bit).

Install requirements

sudo apt install nodejs npm sqlite3 git
git clone [email protected]:stfbk/vc-saml-node.git

Add certificates to the browser

We have provided three eID certificates to test different cases:

  1. eID_IT_LNRMNA[etc] has been enrolled at the ASPSP and should be able to complete the scenario successfully.
  2. eID_IT_GNTCSR[etc] has an expired certificate and should not be able to successfully authenticate at the IDP.
  3. eID_IT_FRRFNC[etc] has not been enrolled at the ASPSP and should not be granted a VC to download (may require browser restart after failed login, WIP)

Add the first certificate to your browser; two examples are provided.

Disclaimer: every certificate in this repository is entirely fictional, and apparently personal data has been generated entirely at random using random-italian-person.

chromium

  1. Navigate to chrome://settings/certificates -- or manually go to the browser's Settings -> Privacy and security -> More -> Manage Certificates
  2. Under the Your certificates tab, click Import
  3. Select one of the eID_*.p12 files available in the cerfificates folder.
  4. When prompted for a password, read it from the corresponding eID_*.p12.pass text file.

firefox

  1. Navigate to about:preferences#privacy
  2. Scroll down to Security -> Certificates
  3. Click on View Certificates
  4. Under the Your Certificates tab, click Import
  5. Select one of the eID_*.p12 files available in the cerfificates folder.
  6. When prompted for a password, read it from the corresponding eID_*.p12.pass text file.

Service deployment

  • IDP

    • Open a terminal and reach the folder eidas-idp
    • Run npm install and then node app

  • ASPSP

    • Open a terminal and reach the folder aspsp
    • Run npm install and then node app

  • CSP

    • Open a terminal and reach the folder csp
    • Run npm install and then node app

  • OCSP server

    • Open a terminal and reach the folder ocsp-server
    • Run npm install and then node app

Visit localhost:8888 to use ASPSP and localhost:8889 to use CSP

Onboarding and Verifiable Credential flow

After performing all the steps in Setup:

  1. Obtain your Verifiable Credential from the ASPSP

    1. navigate to localhost:8888 and select "Login with eIDAS"
    2. select "Allow" when redirected to the IDP verify the correctness of the information provided by the IDP and express consent to sharing it
    3. select "Download Verifiable Credential" after being redirected to the ASPSP

  2. Present your Verifiable Credential to the CSP

    1. navigate to localhost:8889 and select "Login with eIDAS"
    2. select "Allow" when redirected to the IDP verify the correctness of the information provided by the IDP and express consent to sharing it

Notes

  • Disclaimer: every certificate in this repository is entirely fictional, and apparently personal data has been generated entirely at random using random-italian-person.

  • The first time you visit the provided localhost services, you will be prompted to accept the risk of visiting a site with an untrusted CA.

  • After logging in with one of the provided certificates, you may need to restart your browser to attempt the flow with a different one.

  • The ASPSP uses an sqlite3 db to manage onboarded users. This is not a fully developed feature. Users can be added or deleted at the following endpoints:

    • adding an account holder:

      https://localhost:8888/createClient?clientId=<personal_identifier>&clientIban=<IBAN>

    • deleting an account holder:

      https://localhost:8888/deleteClient?clientId=<personal_identifier>

  • VCs are saved as plain .json files to the local drive. A credential management client is not the focus of this proof of concept.

Credits

License

Copyright 2020, Fondazione Bruno Kessler

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Developed within Security & Trust Research Unit at Fondazione Bruno Kessler (Italy)