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Chapter 6: Diagnostics Specification 6-23
US
Menu Option Description
Security
US
Pressing
Enter
will select the
displayed menu option.
✎
Note:
Press
Yes
or
No
to
move forward or backward
through the menu options.
This option allows access to Test
Encrypt and Key Check Values
for confirmation of injected PIN
encryption keys.
The US hierarchy allows for up to
ten (10) sets of Master/Session
keys stored concurrently with up
to four (4) DUKPT keys.
US
Test Encrypt
The Test Encrypt diagnostic
returns an encrypted PIN block
generated with a known account
number and PIN.
US
Key Check Value
Allows confirmation of injected
PIN encryption keys.
Test Encrypt
Menu Option Description
US
Test Encrypt
Pressing Enter will select the
displayed menu option.
Note:
✎
:
Press Yes or No to
move forward or backward
through the menu options.
Allows cryptographic
confirmation of injected PIN
encryption keys; generates and
displays an encrypted PIN block
from a known PIN and account
number as defined by VISA
documentation.
Note:
✎
: Test Encrypt will
work with Master/Session keys
as well.