@sphereon/did-resolver-key
Version:
Sphereon did:key resolver with BBS+/BLS and EBSI support.
69 lines • 2.65 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]; } };
}
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"));
const ed25519_1 = require("@stablelib/ed25519");
function encodeKey(key) {
const bytes = new Uint8Array(key.length + 2);
bytes[0] = 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${u8a.toString(bytes, 'base58btc')}`;
}
const keyToDidDoc = (pubKeyBytes, fingerprint) => {
const did = `did:key:${fingerprint}`;
const keyId = `${did}#${fingerprint}`;
const x25519PubBytes = (0, ed25519_1.convertPublicKeyToX25519)(pubKeyBytes);
const x25519KeyId = `${did}#${encodeKey(x25519PubBytes)}`;
return {
id: did,
verificationMethod: [
{
id: keyId,
type: 'Ed25519VerificationKey2018',
controller: did,
publicKeyBase58: u8a.toString(pubKeyBytes, 'base58btc'),
},
],
authentication: [keyId],
assertionMethod: [keyId],
capabilityDelegation: [keyId],
capabilityInvocation: [keyId],
keyAgreement: [
{
id: x25519KeyId,
type: 'X25519KeyAgreementKey2019',
controller: did,
publicKeyBase58: u8a.toString(x25519PubBytes, 'base58btc'),
},
],
};
};
exports.keyToDidDoc = keyToDidDoc;
exports.default = { keyToDidDoc: exports.keyToDidDoc };
//# sourceMappingURL=ed25519.js.map