8201, 8202, 8203, 8204
Acceleration Processor
Data Sheet
Exar Confidential
DS-0157-05 © April 16, 2012, Exar
®
, Inc. All rights reserved. 04/12
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Such Licensed Programs and their documentation may contain public open-source software that would be
licensed under open-source licenses. Refer to the applicable product release notes for open-source licenses
and proprietary notices. Use, duplication, disclosure, and acquisition by the U.S. Government of such Licensed
Programs is subject to the terms and definitions of their applicable license.
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discontinue any product or service without notice. Exar advises its customers to obtain the latest version of
relevant information to verify, before placing orders, that information being relied upon is current. Every
effort has been made to keep the information in this document current and accurate as of the date of this
document’s publication or revision.
Limited Warranty
Exar warrants Products based on the Hifn Technology, including cards, against defects in materials and
workmanship for a period of twelve (12) months from the delivery date. Exar's sole liability shall be limited to
either, replacing, repairing or issuing credit, at its option, for the Product if it has been paid for. Exar will not
be liable under this provision unless: (a) Exar is promptly notified in writing upon discovery of claimed defects
by Buyer; (b) The claimed defective Product is returned to Exar, insurance and transportation charges
prepaid, by Buyer; (c) The claimed defective Product is received within twelve (12) months from the delivery
date; and (d) Exar's examination of the Product discloses to its satisfaction that the alleged defect was not
caused by misuse, neglect, improper installation, repair, alteration, accident or other hazard. THIS
WARRANTY DOES NOT COVER PRODUCT DAMAGE WHICH RESULTS FROM ACCIDENT, MISUSE, ABUSE,
IMPROPER LINE VOLTAGE, FIRE, FLOOD, LIGHTNING OR OTHER ACTS OF GOD OR DAMAGE RESULTING FROM
ANY MODIFICATIONS, REPAIRS OR ALTERATIONS PERFORMED OTHER THAN BY EXAR OR EXAR'S
AUTHORIZED AGENT OR RESULTING FROM FAILURE TO STRICTLY COMPLY WITH EXAR'S WRITTEN
OPERATING AND MAINTENANCE INSTRUCTIONS. BUYER ACKNOWLEDGES THAT THE PRODUCT ARE HIGHLY
SENSITIVE ELECTRONIC PRODUCT REQUIRING SPECIAL HANDLING AND THAT THIS WARRANTY DOES NOT
APPLY TO IMPROPERLY HANDLED PRODUCT. PRODUCT MANUFACTURED TO MEET BUYER'S SPECIFIC
PERFORMANCE SPECIFICATIONS ACCEPTED BY EXAR ARE WARRANTED ONLY TO PERFORM IN CONFORMITY
WITH SUCH SPECIFICATIONS, AND ARE WARRANTED ONLY AGAINST DEFECTS NOT RELATED TO SUCH
SPECIFICATIONS IN ACCORDANCE WITH THE TERMS AND CONDITIONS SET FORTH HEREIN ABOVE.
Life Support Policy
Exar's Product are not authorized for use as critical components in life support devices or systems. Life
support devices or systems are devices or systems which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and whose failure to perform, when properly used in accordance with
instructions for use provided in the labeling, can be reasonably expected to result in a significant injury or
death to human life. A critical component is any component of a life support device or system whose failure to
perform can be reasonably expected to cause the failure of the life support device or system, or to affect its
safety or effectiveness. Buyer agrees to indemnify, defend and hold Exar harmless for any cost, loss, liability,
or expense (including without limitation attorneys' fees and other costs of litigation or threatened litigation)
arising out of violation of the above prohibition by Buyer or any person or entity receiving Exar's Product
through Buyer.
Patent Infringement - Indemnification
Exar agrees, at its own expense, to defend Buyer from and against any claim, suit or proceeding, and to pay
all judgments and costs finally awarded against Buyer by reason of claim, suit or proceeding insofar as it is
based upon an allegation that the Product as furnished by Exar infringes any United States letter patent,
provided that Exar is notified promptly of such claim in writing and is given authority and full and proper
information and assistance (at Exar's expense) for defense of same. In case such Product are finally
constituted an infringement and the use of Product is enjoined, Exar shall at its sole discretion and at its own
expense: (1) procure for Buyer the right to continue using the Product; (2) replace or modify the same so that
it becomes non-infringing; or (3) remove such Product and grant Buyer a credit for the depreciated value of
the same.
Buyer shall have the right to employ separate counsel in any claim, suit or proceeding and to participate in
the defense thereof, but the fees and expenses of Buyer's counsel shall not be borne by Exar unless: (1) Exar
specifically so agrees; or (2) Exar, after written request and without cause, does not assume such defense.
Exar shall not be liable to indemnify Buyer for any settlement effected without Exar's written consent, unless
Exar failed, after notice and without cause, to defend such claim, suit or proceeding.
The indemnification shall not apply and Buyer shall indemnify Exar and hold it harmless from all liability or
expense (including costs of suit and attorney's fees) if the infringement arises from, or is based upon Exar's
8201, 8202, 8203, 8204 Acceleration Processor Data Sheet, DS-0157-05
Exar Confidential
Page 2
compliance with particular requirements of Buyer or Buyer's customer that differ from Exar's standard
specifications (Custom Product) for the Product, or modifications or alterations of the Product, or a
combination of the Product with other items not furnished or manufactured by Exar.
Buyer agrees that Exar shall not be liable for any collateral, incidental or consequential damages arising out of
patent infringement.
The foregoing states the entire liability of Exar for patent infringement.
Motorola
The use of this product in stateful compression protocols (for example, PPP or multi-history applications) with
certain configurations may require a license from Motorola. In such cases, a license agreement for the right to
use Motorola patents (US05,245,614, US05,130,993) may be obtained directly from Motorola.
Patents
May include one or more of the following United States patents: 4,930,142; 4,996,690; 4,701,745;
5,003,307; 5,016,009; 5,126,739; 5,146,221; 5,414,425; 5,414,850; 5,463,390; 5,506,580; 5,532,694;
6,320,846; 6,816,459; 6,651,099; 6,665,725; 6,771,646; 6,789,116; 6,954,789; 6,839,751; 7,299,282;
7,260,558. Other patents pending.
Trademarks
Hi/fn
®
, MeterFlow
®
, MeterWorks
®
, and LZS
®
, are registered trademarks of Exar Corporation. Hifn
TM
, Hifn
Technology, FlowThrough
TM
, BitWackr, and the Hifn logo are trademarks of Hi/fn, Inc. All other trademarks
and trade names are the property of their respective holders.
IBM, IBM Logo, and IBM PowerPC are trademarks of International Business Machines Corporation in the
United States, or other countries.
Microsoft, Windows, Windows XP, Windows Vista, Windows Server 2003, Windows Server 2008 and the
Windows logo are trademarks of Microsoft Corporation in the United States, and/or other countries.
Intel QuickAssist is a trademark of Intel Corporation in the United States and in other countries.
Exporting
This product may only be exported from the United States in accordance with applicable Export Administration
Regulations. Diversion contrary to United States laws is prohibited.
Exar Confidential
If you have signed a Exar Confidential Disclosure Agreement that includes this document as part of its subject
matter, please use this document in accordance with the terms of the agreement. If not, please destroy the
document.
8201, 8202, 8203, 8204 Acceleration Processor Data Sheet, DS-0157-05
Exar Confidential
Page 3
Table of Contents
List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
1 Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1
1.1.1
1.1.2
1.1.3
1.1.4
1.1.5
1.1.6
1.1.7
1.2
1.3
High Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flexible Design for Packet Processing . . . . . . . . . . . . . . . . . . . .
Engine Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Command and Data Endian Conversion Modes . . . . . . . . . . . . . .
DMA Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Integrity Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23
23
24
24
25
25
25
25
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
NIST Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1
2.1.1
2.1.2
2.1.3
ECC & Parity Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CRC Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Real Time Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27
30
30
30
Data Integrity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
2.1.3.1
2.1.3.2
2.1.3.3
2.1.4
2.1.5
Compression Engine Real Time Verification . . . . . . . . . . . . . . 31
Encryption Engine Real Time Verification . . . . . . . . . . . . . . . . 33
Hash Engine Real Time Verification . . . . . . . . . . . . . . . . . . . . 34
35
37
Data Integrity Model for Encode Operations . . . . . . . . . . . . . . . .
Data Integrity Model for Decode Operations . . . . . . . . . . . . . . . .
8201, 8202, 8203, 8204 Acceleration Processor Data Sheet, DS-0157-05
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2.2
2.3
Clock Domains. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Clock Gating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
3 Data Structures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1
3.1.1
3.1.2
Command Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Command Descriptor Format . . . . . . . . . . . . . . . . . . . . . . . . . .
41
43
45
Command Pointer Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
3.1.2.1
3.1.2.2
3.1.2.3
3.1.2.4
3.1.2.5
3.1.2.6
3.1.2.7
3.1.3
3.1.3.1
3.1.3.2
Desc_result . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Desc_cmd_base . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Desc_cmd_cmp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Desc_cmd_enc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Desc_cmd_hash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Desc_cmd_pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Desc_srcX and Desc_dstX . . . . . . . . . . . . . . . . . . . . . . . . . . 70
72
Initial Hash engine Value (IHV) . . . . . . . . . . . . . . . . . . . . . . 73
MAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Command Structure Conventions . . . . . . . . . . . . . . . . . . . . . . .
3.1.3.3 Initialization Vector (IV) and Additional Authenticated Data (AAD)
77
3.1.3.4
3.1.3.5
3.1.3.6
3.1.3.7
3.1.3.8
3.1.3.9
3.1.4
3.2
3.3
Key Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Data Stream Information Fields . . . . . . . . . . . . . . . . . . . . . . 82
Hash Buffer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
IPAD & OPAD for HMAC & SSL3.0-MAC (SHA256 | MD5) . . . . . 85
AES-GCM and GMAC Operations . . . . . . . . . . . . . . . . . . . . . . 86
MAC Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
90
3.1.3.10 IPsec Packet Processing. . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Free Pool Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Result Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Command Operation Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
4 Data Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1
4.1.1
4.1.2
4.1.3
Hash Engine before Compression Engine . . . . . . . . . . . . . . . . .
Hash Engine after Compression Engine . . . . . . . . . . . . . . . . . .
Hash Engine after Pad Engine. . . . . . . . . . . . . . . . . . . . . . . . .
103
103
104
105
Encode Operations Data Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
8201, 8202, 8203, 8204 Acceleration Processor Data Sheet, DS-0157-05
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