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// prettier-ignoreimport {  getPublicKey, sign, verify,  recoverPublicKey, getSharedSecret,  utils, CURVE, Point, Signature, schnorr} from './index.ts';import { hmac } from 'https://denopkg.com/chiefbiiko/hmac/mod.ts';
function concatTypedArrays(...arrays: Uint8Array[]): Uint8Array {  if (arrays.length === 1) return arrays[0];  const length = arrays.reduce((a, arr) => a + arr.length, 0);  const result = new Uint8Array(length);  for (let i = 0, pad = 0; i < arrays.length; i++) {    const arr = arrays[i];    result.set(arr, pad);    pad += arr.length;  }  return result;}
utils.hmacSha256 = async (key: Uint8Array, ...messages: Uint8Array[]): Promise<Uint8Array> => {  return hmac('sha256', key, concatTypedArrays(...messages)) as Uint8Array;};
// prettier-ignoreexport {  getPublicKey, sign, verify,  recoverPublicKey, getSharedSecret,  utils, CURVE, Point, Signature, schnorr};