PCI (Payment Card Industry Security Standard)_Test 3.6.6

PCI (Payment Card Industry Security Standard)

Protect stored cardholder data

Test 3.6.6

3.6.6 B interview personnel and/or observe processes to verify that manual clear-text keys are managed with: – Split knowledge and – Dual control

Split knowledge and dual control of keys are used to eliminate the possibility of one person having access to the whole key. This control is applicable for manual key-management operations or where key management is not implemented by the encryption product. Split knowledge is a method in which two or more people separately have key components where each person knows only their own key component and the individual key components convey no knowledge of the original cryptographic key. Dual control requires two or more people to perform a function and no single person can access or use the authentication materials of another.


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