@xtsai/xai-utils/dist/esm/crypto/keypair.js

The xai-utils is an openai nodejs sdk compatible extension library.

import { generateKeyPairSync } from 'crypto';
/**
 * JWT
 * https://docs.topperpay.com/widgets/
 * @see https://notes.salrahman.com/generate-es256-es384-es512-private-keys/
 * Algorithm	Curve
 * ES256	prime256v1
 * ES384	secp384r1
 * ES512	secp521r1
 */
export function generateES256Keypairs(passphrase) {
    const res = generateKeyPairSync('ec', {
        namedCurve: 'prime256v1',
        publicKeyEncoding: {
            type: 'spki',
            format: 'pem',
        },
        privateKeyEncoding: {
            type: 'pkcs8',
            format: 'pem',
            cipher: 'aes-256-cbc',
            passphrase: passphrase,
        },
    });
    return res;
}
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