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Command: |
Decrypt a *CSCK from under a supplied *ZMK and re-encrypt it under LMK 14-15 variant 4. |
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Notes: |
Parity on the incoming *CSCK is ignored, but odd parity will be forced before re-encryption. Error code “01” will be returned if the incoming key did not have odd parity. If the incoming key is found to be all zeros, Error Code 02 is returned and the key is not translated. |
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Field |
Length & Type |
Details |
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COMMAND MESSAGE |
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Message Header |
m A |
(Subsequently returned to the Host unchanged). |
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Command Code |
2 A |
Value RY |
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Mode |
1 N |
Value 2 |
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*ZMK |
32H or 1A+32H or 1A+48H |
The Zone Master Key, encrypted under LMK 04-05. |
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*CSCK |
32H or 1A+32H |
The *CSCK, encrypted under the *ZMK. |
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Atalla variant |
1 N or 2 N |
Optional. |
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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. |
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Key scheme ZMK |
1 A |
Optional. Key scheme for encrypting key under ZMK. |
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Key scheme LMK |
1 A |
Optional. Key scheme for encrypting key under LMK. |
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Key check value type |
1 A |
Optional. Key check value calculation method 0 - KCV backwards compatible. 1 - KCV 6H. |
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End Message Delimiter |
1 C |
Optional. Must be present if a message trailer is present. Value X'19 |
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Message Trailer |
n A |
Optional. Maximum length 32 characters |
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Field |
Length & Type |
Details |
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RESPONSE MESSAGE |
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Message Header |
m A |
Returned to the Host unchanged |
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Response code |
2 A |
Value RZ |
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Error Code |
2 N |
00 : No error 01 : Incoming key did not have odd parity 02 : Incoming key was all zero 10 : *ZMK parity error 12 : No keys in user storage 13 : LMK parity error 15 : Error in input data 27 : *CSCK not double length |
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Mode |
1 N |
Value 2 |
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*CSCK |
32 H |
The *CSCK encrypted under LMK 14-15 variant 4. |
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Key check value |
16 H or 6 H |
Result of encrypting 64 binary zeros with the *CSCK. 16H or 6H depends upon KCV type option. |
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End Message Delimiter |
1 C |
Present only if present in the command message. Value X'19 |
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Message Trailer |
n A |
Present only if present in the command message. Maximum length 32 characters |