@transmute/bls12381-key-pair/src/getKeyPairFromPrivateKeyJwk.ts

``` npm i @transmute/bls12381-key-pair@latest --save ```

import { getPublicKeyFromPublicKeyJwk } from './getPublicKeyFromPublicKeyJwk';

export const getKeyPairFromPrivateKeyJwk = (privateKeyJwk: any) => {
  return {
    publicKey: getPublicKeyFromPublicKeyJwk(privateKeyJwk),
    privateKey: Uint8Array.from(Buffer.from(privateKeyJwk.d, 'base64')),
  };
};