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Support for AES encryption algorithm includes the master
key management functions required to load or generate
AES master keys, update those keys, and re-encipher key
tokens under a new master key.
Support for 13- thru 19-digit Personal Account Numbers
Credit card companies sometimes perform card security
code computations based on Personal Account Number
(PAN) data. Currently, ICSF callable services CSNBCSV
(VISA CVV Service Verify) and CSNBCSG (VISA CVV
Service Generate) are used to verify and to generate a
VISA Card Verifi cation Value (CVV) or a MasterCard Card
Verifi cation Code (CVC). The ICSF callable services cur-
rently support 13-, 16-, and 19-digit PAN data. To provide
additional fl exibility, new keywords PAN-14, PAN-15, PAN-
17, and PAN-18 are implemented in the rule array for both
CSNBCSG and CSNBCSV to indicate that the PAN data is
comprised of 14, 15, 17, or 18 PAN digits, respectively.
Support for 13- through 19-digit PANs is exclusive to
System z10 and is offered by z/OS and z/VM for guest
exploitation.
TKE 5.3 workstation
The Trusted Key Entry (TKE) workstation and the TKE
5.3 level of Licensed Internal Code are optional features
on the System z10 BC. The TKE 5.3 Licensed Internal
Code (LIC) is loaded on the TKE workstation prior to ship-
ment. The TKE workstation offers security-rich local and
remote key management, providing authorized persons a
method of operational and master key entry, identifi cation,
exchange, separation, and update. The TKE workstation
supports connectivity to an Ethernet Local Area Network
(LAN) operating at 10 or 100 Mbps. Up to ten TKE work-
stations can be ordered.
Enhancement with TKE 5.3 LIC
The TKE 5.3 level of LIC includes support for the AES
encryption algorithm, adds 256-bit master keys, and
includes the master key management functions required to
load or generate AES master keys to cryptographic copro-
cessors in the host.
Also included is an imbedded screen capture utility to
permit users to create and to transfer TKE master key entry
instructions to diskette or DVD. Under ‘Service Manage-
ment’ a “Manage Print Screen Files” utility will be available
to all users.
The TKE workstation and TKE 5.3 LIC are available on the
z10 EC, z10 BC, z9 EC, and z9 BC.
Smart Card Reader
Support for an optional Smart Card Reader attached to
the TKE 5.3 workstation allows for the use of smart cards
that contain an embedded microprocessor and associated
memory for data storage. Access to and the use of con-
fi dential data on the smart cards is protected by a user-
defi ned Personal Identifi cation Number (PIN).
TKE 5.3 LIC has added the capability to store key parts
on DVD-RAMs and continues to support the ability to store
key parts on paper, or optionally on a smart card. TKE 5.3
LIC has limited the use of fl oppy diskettes to read-only.
The TKE 5.3 LIC can remotely control host cryptographic
coprocessors using a password-protected authority signa-
ture key pair either in a binary fi le or on a smart card.
The Smart Card Reader, attached to a TKE workstation
with the 5.3 level of LIC will support System z10 BC,
z10 EC, z9 EC, and z9 BC. However, TKE workstations
with 5.0, 5.1 and 5.2 LIC must be upgraded to TKE 5.3
LIC.
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