OTP TOKEN, DATA TRANSMISSION SYSTEM AND DATA TRANSMISSION METHOD FOR OTP TOKEN
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United States of America Patent
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Issued Date -
Feb 4, 2016
app pub date -
Mar 24, 2014
filing date -
Apr 3, 2013
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Abstract
An OTP token, a data transmission system and a data transmission method are provided in which when the OTP token needs to communicate with the background system server, the OTP token signs the request message to obtain a first digital signature, and sends a request data package including the first digital signature and the request message to the background system server. The background system server then verifies the first digital signature and sends an encrypted feedback data package to the OTP token after successful verifications. After encrypting the feedback data package to obtain a second digital signature to the background system server, the background system server verifies the second digital signature and performs a response operation after successful verification.
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