Generate and Export a *KML

Command:

Generate a double-length Master Load Key (*KML) and return it encrypted under Variant 2 of LMK pair 04-05, and also under a double length Zone Control Master Key (*ZCMK).

Notes:

A check value for the *KML is also returned.

Field

Length & Type

Details

COMMAND MESSAGE

Message header

m A

(Subsequently returned to the Host unchanged).

Command code

2 A

Value DI.

*ZCMK

32H or 1A+32H or 1A+48H

*ZCMK encrypted under LMK pair 04-05.

Atalla variant

1 N or 2 N

Optional. Atalla variant; for use in systems with Atalla equipment.

Delimiter

1 A

Optional. If present the following three fields must be present.  Value “;”.

If an option is not required by the command fill with a valid value or 0.

Key scheme ZMK

1 A

Optional. Key scheme for encrypting key under ZMK.

Key scheme LMK

1 A

Optional. Key scheme for encrypting key under LMK.

Key check value type

1 A

Optional. Key check value calculation method

0 - KCV backwards compatible.

1 - KCV 6H.

End message delimiter

1 C

Optional. Must be present if a message trailer is present. Value X’19.

Message trailer

n A

Optional. Maximum length 32 characters.

 RESPONSE MESSAGE

Message header

m A

Returned to the Host unchanged.

Response code

2 A

Value DJ.

Error code

2 N

00 : No errors

10 : *ZCMK parity error

12 : No keys loaded in user storage

13 : LMK error; report to supervisor

15 : Error in input data

21 : Invalid user storage index

27 : *KML not double length

*KML (*ZCMK)

32H or 1A+32H

*KML, encrypted under *ZCMK.

*KML (LMK)

32H or 1A+32H

*KML, encrypted under Variant 2 of LMK pair 04-05.

*KML check value

6 H

Check value formed by encrypting a block of 64 binary zeros with the *KML and returning the 24 left-most bits of the result.

End message delimiter

1 C

Present only if present in the command message. Value X’19.

Message trailer

n A

Present only if present in the command message. Maximum length 32 characters.