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SCSI Commands: 43BSECURITY PROTOCOL IN
Page
189
Byte
Bits
7 6 5 4 3 2 1 0
7
Reserved
AITN_C
LOCAL_C PUBLIC_C
8
15
Reserved
3.31.8.1
Data Encryption Management Capabilities Field Descriptions
Field
Bytes
Bits
Description
LOCK_C 4 0
1 = Device server supports the LOCK bit in the Set Data
Encryption page
CKORL_C 5 0 1 = Device server supports the CKORL bit in the Set Data
Encryption page.
CKORP_C 5 1 1 = Device server supports the CKORP bit in the Set Data
Encryption page.
CKOD_C 5 2
1 = Device server supports the CKOD bit in the Set Data
Encryption page.
PUBLIC_C
7
0
1 = Device server supports a scope of PUBLIC.
LOCAL_C
7
1
1 = Device server supports a scope of LOCAL.
AITN_C
7
2
1 = Device server supports a scope of ALL I_T NEXUS.
3.31.9
Data Encryption Status page
The Data Encryption Status page reports the saved data encryption parameters
currently associated with the I_T nexus on which this command was received.
Byte
Bits
7 6 5 4 3 2 1 0
0
(MSB)
1
PAGE CODE (0020h)
(LSB)
2
(MSB)
3
PAGE LENGTH (n-3)
(LSB)
4
I_T NEXUS SCOPE
Reserved
KEY SCOPE
5
ENCRYPTION MODE
6
DECRYPTION MODE
7
ALGORITHM INDEX
8
(MSB)
11
KEY INSTANCE COUNTER
(LSB)
12
Reserved CEEMS
RDMD
13
23
Reserved
24
n
Key-Associated Data Descriptors List
3.31.9.1
Data Encryption Status Field Descriptions
Field
Bytes
Bits
Description
KEY SCOPE
4
0-2
The value from the key scope in the saved data encryption
parameters currently associated with the I_T nexus on which
this command was received.
I_T NEXUS
SCOPE
4 5-7
Value from the data encryption scope saved for the I_T nexus on
which this command was received.
Summary of Contents for LTO 4
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