Simply put - it is a math function that turns one value into another, or condenses data to a specific size. Hash is the mathematical algorithm used by HMAC-based one-time passwords. OTPs are the best protection against such common hacks as phishing, bruteforce, keyboard logging, man-in-the-middle attacks. These dynamic passwords, unlike the static ones, are hard to bypass or hack, since the hacker will need access to both something you have (OTP generating device, like cellphone or hardware token) and something you know (like pin code). One time or one-time password is usually a string of randomly generated digits that works for one login or transaction only.
A table of contents for your convenience :įirst, let’s discuss the OTP meaning.
