Mutual authentication between two parties using two consecutive one-time passwords
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United States of America Patent
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N/A
Issued Date -
Sep 20, 2007
app pub date -
Mar 15, 2006
filing date -
Mar 15, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A communication system and method are configured for mutual authentication between two parties. In one embodiment a first party generates a first one-time password and sends it to a second party. The second party authenticates the first party by generating a one-time password using the same algorithm, secrets and parameters and matching it with the received first one-time password. If the received first one-time password matches with a generated password, the second party generates a consecutive one-time password, and sends it to the first party. The first party authenticates the consecutive one-time password by generating a one-time password consecutive to the first one-time password and matching with the received consecutive one-time password. If they match, the mutual authentication is completed successfully.
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