How the DynaFlex II SCR protects cardholder data and manages keys. These are shared DynaFamily concepts, documented in the Guides Section:
Applies to: DynaFlex II SCR
Reference Section
Information Available
How DUKPT derives a unique key per transaction, and the path (and reasons) for moving from legacy 3DES/TDEA DUKPT to AES DUKPT on your devices and host.
What a KSN is, how it's structured, and how it identifies the unique key used to encrypt a given transaction under DUKPT.
How a MAC lets the host and device confirm a message hasn't been altered in transit, and when one is required.
How the reader encrypts data at the point of read (SRED), how to determine which key was used, and how to decrypt the output on your host.
The ANSI TR-31 key-block format used to transport and load keys securely into the device.
The operational requirements the device enforces for PCI compliance: the 24-hour automatic reset and the device lock feature.
Reference Section
Information Available
This section covers how DynaFamily readers protect cardholder data and manage keys.
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