Quantum LTO 4, Руководство пользователя

Страница: 192 / 297

SCSI Commands: 43BSECURITY PROTOCOL IN Page 184
3.31 SECURITY PROTOCOL IN
The SECURITY PROTOCOL IN command is used to retrieve security protocol
information or the results of one or more SECURITY PROTOCOL OUT commands.
This command is supported only in LTO4 drives and later.
3.31.1 SECURITY PROTOCOL IN Command Descriptor Block
Byte Bits
7 6 5 4 3 2 1 0
0 OPERATION CODE (A2h)
1 SECURITY PROTOCOL
2
3
SECURITY PROTOCOL SPECIFIC
4
INC_512
Reserved
5 Reserved
6 (MSB)
7
8
9
ALLOCATION LENGTH
(LSB)
10 Reserved
11 CONTROL
3.31.1.1 SECURITY PROTOCOL IN Command Field Descriptions
Field Bytes Bits Description
OPERATION
CODE 0 The Operation Code SECURITY PROTOCOL IN is A2h.
SECURITY
PROTOCOL 1 00h = Security protocol information
20h = Tape data encryption
SECURITY
PROTOCOL
SPECIFIC 2-3 For Security Protocol Information (00h), one of the following:
0000h = Supported Security Protocol list
0001h = Certificate Data
For Tape Data Encryption (20h), one of the following security
protocol pages:
0000h = Tape Data Encryption In Support page
0001h = Tape Data Encryption Out Support page
0010h = Data Encryption Capabilities page
0011h = Supported Key Formats page
0012h = Data Encryption Management Capabilities page
0020h = Data Encryption Status page
0021h = Next Block Encryption Status page
0030h = Random Number page
0031h = Device Server Key Wrapping Public Key page
INC_512 4 7 Always 0, indicating that the Allocation Length is expressed in
bytes.
ALLOCATION
LENGTH 6-9 Length of data-in bytes
Reserved All reserved bits must be 0.
CONTROL 11 The control field must be 0.