OTP Generation | Python | Self Learning

Pubblicato il: 05 febbraio 2021
sul canale di: Smart Code Master

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A one-time password (OTP), also known as one-time PIN or dynamic password, is a password that is valid for only one login session or transaction, on a computer system or other digital device. OTPs avoid a number of shortcomings that are associated with traditional (static) password-based authentication; a number of implementations also incorporate two-factor authentication by ensuring that the one-time password requires access to something a person has (such as a small keyring fob device with the OTP calculator built into it, or a smartcard or specific cellphone) as well as something a person knows (such as a PIN).

OTPs have been discussed as a possible replacement for, as well as enhancer to, traditional passwords. On the downside, OTPs can be intercepted or rerouted, and hard tokens can get lost, damaged, or stolen. Many systems that use OTPs do not implement them in a secure way, and attackers can still learn the password through phishing attacks to impersonate the authorized user.

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