Token authentication system and method

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United States of America Patent

PATENT NO 8639628
APP PUB NO 20070050635A1
SERIAL NO

10590415

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Abstract

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A method for calculating a One Time Password. A secret is concatenated with a count, where the secret is uniquely assigned to a token. The secret can be a private key or a shared secret symmetric key. The count is a number that increases monotonically at the token with the number of one-time Passwords generated at the token. The count is also tracked at an authentication server, where it increases monotonically with each calculation of a one-time Password at the authentication server. An OTP can be calculated by hashing a concatenated secret and count. The result can be truncated.

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Patent Owner(s)

  • SYMANTEC CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Popp, Nicolas Menlo Park, US 45 2485

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