smartkey/ts/smartkey.classes.keypair.ts

import * as plugins from './smartkey.plugins';

/**
 * represents a keypair
 */
export class KeyPair {
  // static
  public static async createKeyPair(passphraseArg = ''): Promise<KeyPair> {
    const done = plugins.smartpromise.defer<KeyPair>();
    plugins.crypto.generateKeyPair(
      'rsa',
      {
        modulusLength: 4096,
        publicKeyEncoding: {
          type: 'spki',
          format: 'pem'
        },
        privateKeyEncoding: {
          type: 'pkcs8',
          format: 'pem',
          cipher: 'aes-256-cbc',
          passphrase: passphraseArg
        }
      },
      (err, publicKeyArg, privateKeyArg) => {
        // convey error
        if (err) {
          done.reject(err);
          throw err;
        }
        const keyPairInstance = new KeyPair({
          privateKey: privateKeyArg,
          publicKey: publicKeyArg
        });
        done.resolve(keyPairInstance);
      }
    );
    return done.promise;
  }

  // instance
  public publicKey: string;
  public privateKey: string;

  constructor(optionsArg: { privateKey: string; publicKey: string }) {
    this.privateKey = optionsArg.privateKey;
    this.publicKey = optionsArg.publicKey;
  }
}