Freescale Semiconductor MPC8313E PowerQUICC II Pro Family Reference Manual page 656

Security Engine (SEC) 2.2
14.3.2.2 Selecting Descriptor Type—DESC_TYPE
Table 14-7 shows the permissible values for the DESC_TYPE field in the descriptor header. Descriptor
types from SEC 1.0, which have '0' in the last bit, are listed first, followed by SEC 2.x types, which have
'1' in the last bit.
Value
(Binary)
0000_0
0001_0
0010_0
0011_0
0100_0
0101_0
0110_ 0
0111_0
1000_0
1001_0
1010_0
1011_0
1100_0 hmac_snoop_aesu_ctr
1101_0
1110_0
1111_0
0000_1
0001_1
0010_1
0011_1
0100_1
0101_1
0110_1
0111_1
1000_1
1001_1
MPC8313E PowerQUICC™ II Pro Integrated Processor Family Reference Manual, Rev. 2
14-14
Table 14-7. Descriptor Types
Descriptor Type
aesu_ctr_nonsnoop
common_nonsnoop
hmac_snoop_no_afeu
—
—
—
—
—
—
—
—
—
—
—
—
ipsec_esp
802.11i AES ccmp
srtp
—
—
—
—
—
tls_ssl_block
—
1
AESU CTR non-snooping
Common, non-snooping
Snooping, HMAC
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
AESU CTR hmac snooping
Reserved
Reserved
Reserved
IPsec ESP mode encryption and hashing
CCMP encryption and hashing, suitable for IEEE Std. 802.11i
SRTP encryption and hashing
Reserved
Reserved
Reserved
Reserved
Reserved
TLS/SSL generic block cipher
Reserved
Notes
2
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