ATIS Telecom Glossary
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derived unique key per transaction (DUKPT)
In cryptography, a key-management technique that uses a unique key for each separate transaction to prevent the disclosure of any past key used by the transaction-originating tamper-resistant security mode (TRSM). Note: The unique transaction keys are derived from a base derivation key using only non-secret data transmitted as part of each transaction. [After X9.24]

 

 

 

 

 

 

 

 

 

 



 
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