ECDSA 密钥对
\ECDSA key pairs
const { subtle } = require('node:crypto').webcrypto;
async function generateEcKey(namedCurve = 'P-521') {
const {
publicKey,
privateKey,
} = await subtle.generateKey({
name: 'ECDSA',
namedCurve,
}, true, ['sign', 'verify']);
return { publicKey, privateKey };
}