EdDSA JCS 2022 数据完整性密码套件 (@digitalbazaar/eddsa-jcs-2022-cryptosuite) (中文(简体) )

EdDSA 2022 数据完整性 Cryptosuite.

目录

• 背景情况
• 警卫
• 安装
• 使用量
• 贡献
• 商业支助
• 许可证

背景情况

用于与 https://github.com/digitalbazaar/jsonld-signers (中文(简体) ) v11.0及以上编.

另见相关的规格:

• 可验证的可信数据完整性

警卫

传统发展

安装

• 浏览器和Node.js 16+得到支持.

从国家预防机制安装:

npm install @digitalbazaar/eddsa-jcs-2022-cryptosuite

在当地安装(用于开发):

git clone https://github.com/digitalbazaar/eddsa-jcs-2022-cryptosuite.git
cd eddsa-jcs-2022-cryptosuite
npm install

使用量

以下代码片段提供了一个完整的数字签名示例 使用此库的可核查证书:

import * as Ed25519Multikey from '@digitalbazaar/ed25519-multikey';
import {DataIntegrityProof} from '@digitalbazaar/data-integrity';
import {createSignCryptosuite} from '@digitalbazaar/eddsa-jcs-2022-cryptosuite';
import jsigs from 'jsonld-signatures';
const {purposes: {AssertionProofPurpose}} = jsigs;


// create the unsigned credential
const unsignedCredential = {
  '@context': [
    'https://www.w3.org/2018/credentials/v1',
    {
      AlumniCredential: 'https://schema.org#AlumniCredential',
      alumniOf: 'https://schema.org#alumniOf'
    }
  ],
  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'
  }
};

// create the keypair to use when signing
const controller = 'https://example.edu/issuers/565049';
const keyPair = await Ed25519Multikey.from({
  '@context': 'https://w3id.org/security/multikey/v1',
  type: 'Multikey',
  controller,
  id: controller + '#z6MkwXG2WjeQnNxSoynSGYU8V9j3QzP3JSqhdmkHc6SaVWoT',
  publicKeyMultibase: 'z6MkwXG2WjeQnNxSoynSGYU8V9j3QzP3JSqhdmkHc6SaVWoT',
  secretKeyMultibase: 'zrv3rbPamVDGvrm7LkYPLWYJ35P9audujKKsWn3x29EUiGwwhdZQd' +
    '1iHhrsmZidtVALBQmhX3j9E5Fvx6Kr29DPt6LH'
});

// export public key and add to document loader
const publicKey = await keyPair.export({publicKey: true, includeContext: true});
addDocumentToLoader({url: publicKey.id, document: publicKey});

// create key's controller document
const controllerDoc = {
  '@context': [
    'https://www.w3.org/ns/did/v1',
    'https://w3id.org/security/multikey/v1'
  ],
  id: controller,
  assertionMethod: [publicKey]
};
addDocumentToLoader({url: controllerDoc.id, document: controllerDoc});

// create suite
const eddsaJcs2022CryptoSuite = createSignCryptosuite();
const suite = new DataIntegrityProof({
  signer: keyPair.signer(), cryptosuite: eddsaJcs2022CryptoSuite
});

// create signed credential
const signedCredential = await jsigs.sign(unsignedCredential, {
  suite,
  purpose: new AssertionProofPurpose(),
  documentLoader
});

// results in the following signed VC
{
  "@context": [
    "https://www.w3.org/2018/credentials/v1",
    {
      "AlumniCredential": "https://schema.org#AlumniCredential",
      "alumniOf": "https://schema.org#alumniOf"
    },
    "https://w3id.org/security/data-integrity/v2"
  ],
  "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": "DataIntegrityProof",
    "created": "2022-09-06T21:29:24Z",
    "verificationMethod": "https://example.edu/issuers/565049#z6MkwXG2WjeQnNxSoynSGYU8V9j3QzP3JSqhdmkHc6SaVWoT",
    "cryptosuite": "eddsa-jcs-2022",
    "proofPurpose": "assertionMethod",
    "@context": [
      "https://www.w3.org/2018/credentials/v1",
      {
        "AlumniCredential": "https://schema.org#AlumniCredential",
        "alumniOf": "https://schema.org#alumniOf"
      },
      "https://w3id.org/security/data-integrity/v2"
    ],
    "proofValue": "z3aKfEmARJBuiiBcmGtzPh5ZHaGm9EAehkyVRDJGRxnTJQwqpdoktM6CD8aJii1RobA34gjVcdSQ7cURYcXtEkav2"
  }
}

贡献

见 贡献文件来啊!

公关接受.

请遵照 标准读取 规格.

商业支助

该图书馆的商务支助可应下列请求提供: 数字集市: 支持@ digitalbazaar.com

许可证

新建 BSD 许可证( 3- clause) 2023年数字集市