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MasterCard SecureCode uses OTAC to confirm a user's identity One time authorization code as used in Yammer's desktop client. A one-time password (OTP), also known as a one-time PIN, one-time passcode, one-time authorization code (OTAC) or dynamic password, is a password that is valid for only one login session or transaction, on a computer system or other digital device.
If a strong two-factor authentication system is used, the stolen passwords cannot be stored and later used because each one-time password is valid for only one authentication session, and will fail if tried a second time. [1] multiOTP is a PHP class library. The class can be used with any PHP application using a PHP version of 5.3.0 or higher.
A format of one-time pad used by the U.S. National Security Agency, code named DIANA.The table on the right is an aid for converting between plaintext and ciphertext using the characters at left as the key.
A one-time password is generated without the use of a clock, either from a one-time pad or cryptographic algorithm. Challenge–response token Using public key cryptography, it is possible to prove possession of a private key without revealing that key. The authentication server encrypts a challenge (typically a random number, or at least data ...
One-time password or one-time PIN, a password or PIN that is valid for only one login session or transaction; One-time programmable memory, a type of programmable read-only memory (ROM) in electronics; Open Telecom Platform, a collection of middleware, libraries, and tools written in Erlang programming language
Time-based one-time password (TOTP) is a computer algorithm that generates a one-time password (OTP) using the current time as a source of uniqueness. As an extension of the HMAC-based one-time password algorithm (HOTP), it has been adopted as Internet Engineering Task Force (IETF) standard RFC 6238 .
A transaction authentication number (TAN) is used by some online banking services as a form of single use one-time passwords (OTPs) to authorize financial transactions.TANs are a second layer of security above and beyond the traditional single-password authentication.
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