SECURITY PROTOCOL IN(A2h)

SECURITY PROTOCOL IN command

The SECURITY PROTOCOL IN command is used to retrieve security protocol information or the results of one or more SECURITY PROTOCOL OUT commands.

Byte                              Bit	7	6		5	4	3	2	1	0
0	OPERATION CODE (A2h)
1	SECURITY PROTOCOL
2	SECURITY PROTOCOL SPECIFIC
3
4	INC_512		Reserved
5	Reserved
6	(MSB) ALLOCATION LENGTH (LSB)
7
8
9
10	Reserved
11	CONTROL

The SECURITY PROTOCOL field specifies which security protocol is being used.

Table — SECURITY PROTOCOL field in SECURITY PROTOCOL IN command

Code	Description	Reference
00h	Security protocol information	SPC 7.6.1
01h to 06h	Defined by the TCG	SPC 3.1.176
07h	CbCS	SPC 7.6.4
08h to 1Fh	Reserved
20h	Tape Data Encryption	SSC-3
21h	Data Encryption Configuration	ADC-3
22h to 3Fh	Reserved
40h	SA Creation Capabilities	SPC 7.6.2
41h	IKEv2-SCSI	SPC 7.6.3
42h to ECh	Reserved
EDh	SD Card TrustedFlash specification	SPC 3.1.145
EEh	Authentication in Host Attachments of Transient Storage Devices	IEEE 1667
EFh	ATA Device Server Password Security	SAT-2
F0h to FFh	Vendor Specific

Note - ROW: SECURITY PROTOCOL field code values 22h to 2Fh are tentatively reserved for SSC-x uses.