Patent ID: 9407631
Filing Date: 2016-08-02
CPC Classification: G06F,H04L

Claim Text:
1. A method, comprising: receiving an authentication passcode generated by a token associated with a user, wherein said authentication passcode is based on (i) at least one protocode generated by said token using a seed and a current time and processed by at least one of at least a first authentication server and a second authentication server to authenticate said user; and (ii) auxiliary information embedded in said authentication passcode with said at least one protocode when said authentication passcode is generated, wherein said embedded auxiliary information is distinct from (a) said at least one protocode; and (b) said seed and said current time components of said at least one protocode, wherein a mapping function maps a given message in a message space to a codeword in a codebook; and processing the received authentication passcode using at least said first authentication server and said second authentication server, wherein at least one of said first authentication server, said second authentication server and a relying party extract said embedded auxiliary information from the received authentication passcode.