@provenanceio/wallet-utils/esm/utils/messages/signBytes.js

Typescript Utilities for Provenance Blockchain Wallet

import { ecdsaSign as secp256k1EcdsaSign } from 'secp256k1';
import { sha256 } from './sha256';
/**
 * sha256 encrypted, ECDSA signed version of the given byte array
 * @param bytes byte array (Uint8Array) to encrypt and sign
 * @param privateKey private key to sign with
 * @returns a sha256 encrypted, ECDSA signed version of the given byte array
 */

export var signBytes = function signBytes(bytes, privateKey) {
  var hash = sha256(bytes);

  var _secp256k1EcdsaSign = secp256k1EcdsaSign(hash, privateKey),
      signature = _secp256k1EcdsaSign.signature;

  return signature;
};