MPC8536-RDK Freescale Semiconductor, MPC8536-RDK Datasheet - Page 515
MPC8536-RDK
Manufacturer Part Number
MPC8536-RDK
Description
BOARD REF COMEXPRESS MPC8536
Manufacturer
Freescale Semiconductor
Series
PowerQUICC ™r
Type
MPUr
Datasheets
1.MPC8536EBVTAVLA.pdf
(127 pages)
2.MPC8536EBVTAVLA.pdf
(1706 pages)
3.MPC8536-RDK.pdf
(2 pages)
Specifications of MPC8536-RDK
Contents
CSB1880, CSB1801, Cables, Documentation, Enclosure, Power Supply with cord
For Use With/related Products
MPC8536
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 515 of 1706
- Download datasheet (15Mb)
The context registers may be described as follows:
Freescale Semiconductor
•
* Must be written at the start of a new message, except if zero
C
T
-- don’t care
length of total data (in bits)
length of data processed with current descriptor (in bits)
Register
Context
Registers 1–2 contain the intermediate MAC value. This needs to be provided only when switching
context during additional authenticated data (AAD) and/or text data processing (AAD+text data
stream split into multiple descriptors).
On the output side, these registers contain either the intermediate MAC tag in case of context
switching (requires AUX2=0) or the final MAC tag at the end of processing (if AUX2=1). If
AUX2=0 on the last descriptor processing a particular message, then these registers contain the
10
11
12
1
2
3
4
5
6
7
8
9
MPC8536E PowerQUICC III Integrated Processor Reference Manual, Rev. 1
AUX1 = 0
—
—
data segment, or
Mode Register (ECM = 10, AUX0 = 10, CM = 01, ED = 1)
last AAD or text
Table 10-36. GCM-GHASH Context
len(text data)
AUX1 Value
(Computed)
len(AAD)
len(AAD)
MAC only
Inputs
MAC
—
—
H
—
GCM-GHASH (Only GHASH Computed)
*
T*
C
AUX1 = 1
T*
last IV segment
len(IV)
—
T
AUX2 = 0
—
AUX2 Value
Outputs
—
—
—
—
—
—
—
Security Engine (SEC) 3.0
(Computed)
AUX2 = 1
MAC
10-85
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