importsha256,{Hash,HMAC}from"fast-sha256";sha256(data)// default export is hashconsth=newHMAC(key);// also Hash and HMAC classesconstmac=h.update(data).digest();// alternatively:import*assha256from"fast-sha256";sha256.pbkdf2(password,salt,iterations,dkLen);// returns derived keysha256...