@sphereon/ssi-sdk-ext.did-resolver-key
Version:
Sphereon did:key resolver with BBS+/BLS and EBSI support.
118 lines • 5.44 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
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Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.keyToDidDoc = void 0;
const u8a = __importStar(require("uint8arrays"));
// import { edwardsToMontgomery } from '@noble/curves/ed25519'
const ed25519_1 = require("@stablelib/ed25519");
const types_1 = require("../types");
function encodeKey(key, encodeKey) {
const bytes = new Uint8Array(key.length + 2);
bytes[0] = encodeKey !== null && encodeKey !== void 0 ? encodeKey : 0xec;
// The multicodec is encoded as a varint so we need to add this.
// See js-multicodec for a general implementation
bytes[1] = 0x01;
bytes.set(key, 2);
return `z${u8a.toString(bytes, 'base58btc')}`;
}
const keyToDidDoc = (args) => {
const { options } = args;
if (!(options === null || options === void 0 ? void 0 : options.publicKeyFormat)) {
return keyToDidDoc2020(args);
}
switch (options.publicKeyFormat) {
case 'Ed25519VerificationKey2018':
case 'X25519KeyAgreementKey2019':
return keyToDidDoc2018_2019(args);
case 'Ed25519VerificationKey2020':
case 'X25519KeyAgreementKey2020':
case 'Multikey':
return keyToDidDoc2020(args);
default:
throw Error(`${options.publicKeyFormat} not supported yet for the ed25519 driver`);
}
};
exports.keyToDidDoc = keyToDidDoc;
const keyToDidDoc2018_2019 = ({ pubKeyBytes, fingerprint, contentType }) => {
const did = `did:key:${fingerprint}`;
const keyId = `${did}#${fingerprint}`;
//todo: Move to noble lib. x25519 values differ between below methods. Current implementation is correct according to DID:key spec
// const pubKeyHex = u8a.toString(pubKeyBytes, 'base16')
// const x25519PubBytes = edwardsToMontgomery(pubKeyHex)
const x25519PubBytes = (0, ed25519_1.convertPublicKeyToX25519)(pubKeyBytes);
const x25519KeyId = `${did}#${encodeKey(x25519PubBytes)}`;
return Object.assign(Object.assign({}, (contentType === types_1.DID_LD_JSON && {
'@context': [
'https://www.w3.org/ns/did/v1',
'https://w3id.org/security/suites/ed25519-2018/v1',
'https://w3id.org/security/suites/x25519-2019/v1',
],
})), { id: did, verificationMethod: [
{
id: keyId,
type: 'Ed25519VerificationKey2018',
controller: did,
publicKeyBase58: u8a.toString(pubKeyBytes, 'base58btc'),
},
{
id: x25519KeyId,
type: 'X25519KeyAgreementKey2019',
controller: did,
publicKeyBase58: u8a.toString(x25519PubBytes, 'base58btc'),
},
], authentication: [keyId], assertionMethod: [keyId], capabilityDelegation: [keyId], capabilityInvocation: [keyId], keyAgreement: [x25519KeyId] });
};
const keyToDidDoc2020 = ({ pubKeyBytes, fingerprint, contentType }) => {
const did = `did:key:${fingerprint}`;
const keyId = `${did}#${fingerprint}`;
//todo: Move to noble lib. x25519 values differ between below methods. Current implementation is correct according to DID:key spec
// const pubKeyHex = u8a.toString(pubKeyBytes, 'base16')
// const x25519PubBytes = edwardsToMontgomery(pubKeyBytes)
const x25519PubBytes = (0, ed25519_1.convertPublicKeyToX25519)(pubKeyBytes);
const x25519KeyId = `${did}#${encodeKey(x25519PubBytes)}`;
return Object.assign(Object.assign({}, (contentType === types_1.DID_LD_JSON && {
'@context': [
'https://www.w3.org/ns/did/v1',
'https://w3id.org/security/suites/ed25519-2020/v1',
'https://w3id.org/security/suites/x25519-2020/v1',
],
})), { id: did, verificationMethod: [
{
id: keyId,
type: 'Ed25519VerificationKey2020',
controller: did,
publicKeyMultibase: encodeKey(pubKeyBytes, 0xed),
},
], authentication: [keyId], assertionMethod: [keyId], capabilityDelegation: [keyId], capabilityInvocation: [keyId], keyAgreement: [
{
id: x25519KeyId,
type: 'X25519KeyAgreementKey2020',
controller: did,
publicKeyMultibase: encodeKey(x25519PubBytes, 0xec),
},
] });
};
exports.default = { keyToDidDoc: exports.keyToDidDoc };
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