Dynamic Mobile Token for Web Security using MD5 and One Time Password Method

websites have been converted from just a display of information into an online transaction in the form of goods, services, or money. With that development, the security of the website is also need to be tightened, not just rely on usernames and passwords but also to the dynamic code of the mobile token which is difficult to be cracked (1). Dynamic mobile token is an application which is planted in the mobile phone to generate a code that was formed by the method of one time password and can only be used for one login session or transaction. Each mobile token has a value in the "secret" variable that makes it unique or different from the others, to separate one user access transactions or personal page.