symbol/SharedKey.js

  1. /* eslint-disable no-unused-vars */
  2. import { KeyPair } from './KeyPair.js';
  3. import { PublicKey, SharedKey256 } from '../CryptoTypes.js';
  4. /* eslint-enable no-unused-vars */
  5. import { deriveSharedKeyFactory } from '../SharedKey.js';
  6. import { sha512 } from '@noble/hashes/sha512';
  8. const deriveSharedKeyImpl = deriveSharedKeyFactory('catapult', sha512);
  10. /**
  11.  * Derives shared key from key pair and other party's public key.
  12.  * @param {KeyPair} keyPair Key pair.
  13.  * @param {PublicKey} otherPublicKey Other party's public key.
  14.  * @returns {SharedKey256} Shared encryption key.
  15.  */
  16. const deriveSharedKey = (keyPair, otherPublicKey) => deriveSharedKeyImpl(keyPair.privateKey.bytes, otherPublicKey);
  18. export { deriveSharedKey }; // eslint-disable-line import/prefer-default-export