Security Protocol In Command
August 2016 Commands 207
Data Encryption Algorithm Descriptor
Parameter Value
EXTDECC: External data
encryption control capable
External data encryption control capable
00b = The external data encryption control capability is not supported
CFG_P: Configuration
prevented
Configuration prevented
01b = Drive is configured to allow changes of data encryption
parameters
TABLE 3-158 Data Encryption Algorithm Descriptor
Byte
Bit
7654 3 2 10
0 Algorithm Index (01h)
1 Reserved
2
thru
3
(MSB)
Descriptor Length (0014h)
(LSB)
4 AVFMV SDK_C
(0)
MAC_C
(0)
DELB_C
(1)
Decrypt_C
(10b)
Encrypt_C
(10b)
5 AVFCLP
(00b)
NONCE_C
(01b)
Rsvd VCELB_C
(0)
UKADF
(0)
AKADF
(0)
6
thru
7
(MSB)
Maximum Unauthenticated Key-Associated Data Bytes (001Eh)
(LSB)
8
thru
9
(MSB)
Maximum Authenticated Key-Associated Data Bytes (0000h)
(LSB)
10
thru
11
(MSB)
Key Size (0020h)
(LSB)
12 DKAD_C
(01b)
EEMC_C
(00b)
RDMC_C
(001b)
EAREM
(1)
13 Reserved
14
thru
15
(MSB)
MSDK_Count
(LSB)
16
thru
19
(MSB)
Reserved
(LSB)
20
thru
23
(MSB)
Security Algorithm Code (80010010h)
(LSB)