@digitalbazaar/ed25519-signature-2020

Ed25519Signature2020 suite (@digitalbazaar/ed25519-signature-2020)

Ed25519Signature2020 Linked Data Proof suite for use with jsonld-signatures.

Table of Contents

• Background
• Security
• Install
• Usage
• Contribute
• Commercial Support
• License

Background

For use with https://github.com/digitalbazaar/jsonld-signatures v9.0 and above.

See also related specs:

• Ed25519Signature2020 Crypto Suite

Security

TBD

Install

• Node.js 14+ is required.

To install locally (for development):

git clone https://github.com/digitalbazaar/ed25519-signature-2020.git
cd ed25519-signature-2020
npm install

Usage

Example signed VC:

{
  "@context": [
    "https://www.w3.org/2018/credentials/v1",
    "https://www.w3.org/2018/credentials/examples/v1",
    "https://w3id.org/security/ed25519-signature-2020/v1"
  ],
  "id": "http://example.edu/credentials/1872",
  "type": [
    "VerifiableCredential",
    "AlumniCredential"
  ],
  "issuer": "https://example.edu/issuers/565049",
  "issuanceDate": "2010-01-01T19:23:24Z",
  "credentialSubject": {
    "id": "https://example.edu/students/alice",
    "alumniOf": "Example University"
  },
  "proof": {
    "type": "Ed25519Signature2020",
    "created": "2010-01-01T19:23:24Z",
    "proofPurpose": "assertionMethod",
    "proofValue": "z3vG9cHevmrtMiTfb8e7qSPtKyZz1ziPbcxePqcYJ5Rtx5asWsHFq6rPfj8GaPxXkYqvb7qu2dFYg9amc1dpqQhsY",
    "verificationMethod": "https://example.edu/issuers/565049#z6MkjLrk3gKS2nnkeWcmcxiZPGskmesDpuwRBorgHxUXfxnG"
  }
}

Contribute

See the contribute file!

PRs accepted.

If editing the Readme, please conform to the standard-readme specification.

Commercial Support

Commercial support for this library is available upon request from Digital Bazaar: [e-mail]

License

New BSD License (3-clause) © 2020 Digital Bazaar

Changelog

2.2.0 - 2021-05-26

Added

• It is now possible to verify Ed25519Signature2020 proofs using using 2018 keys.

Changed

• Replace @transmute/jsonld-document-loader with @digitalbazaar/security-document-loader in test.