Freescale Semiconductor SEC2SWUG specifications Overview, Freescale Semiconductor

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Freescale Semiconductor

SEC2SWUG

Rev. 0, 02/2005

SEC 2.0 Reference Device Driver User’s Guide

1 Overview

The SEC2 device driver manages the operation of the SEC 2.0 commonly instantiated into PowerQUICC processors. It is a fully functional component, meant to serve as an example of application interaction with the SEC2 core.

The driver is coded in ANSI C. In it’s design, an attempt has been made to write a device driver that is as operating system agnostic as practical. Where necessary, operating system dependencies are identified and Section 8, “Porting” addresses them.

Testing has been accomplished on VxWorks 5.5 and LinuxPPC using kernel version 2.4.27.

Application interfaces to this driver are implemented through the ioctl() function call. Requests made through this interface can be broken down into specific components, including miscellaneous requests and process requests. The miscellaneous requests are any requests not related to the direct processing of data by the SEC2 core.

Process requests comprise the majority of the requests and all are executed using the same ioctl() access point. Structures needed to compose these requests are described in detail in Section 3.3.6, “Process Request Structures.”

Throughout the document, the acronyms CHA (crypto hardware accelerator) and EU (execution unit) are used interchangeably.

This document contains information on a new product. Specifications and information herein are subject to change without notice.

© Freescale Semiconductor, Inc., 2005. All rights reserved.

Contents

1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2. Device Driver Components . . . . . . . . . . . . . . . . . . . . 3

3. User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4. Individual Request Type Descriptions . . . . . . . . . . . 14

5. Sample Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

6. Linux Environment . . . . . . . . . . . . . . . . . . . . . . . . . . 39

7. VxWorks Environment . . . . . . . . . . . . . . . . . . . . . . . 40

8. Porting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

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Contents Freescale Semiconductor OverviewOverview Acronyms and AbbreviationsTerm Meaning SEC 2.0 Reference Device Driver User’s Guide, RevDevice Driver Structure Device Driver ComponentsDevice Driver Components End-User ApplicationDriver Initialization Routine Interrupt Service RoutineRequest Dispatch Routine Process Request RoutineUser Interface Deferred Service RoutineApplication Interface User Interface= Dpdaesacbcencryptcrypt Error Handling1 I/O Control Codes Global DefinitionsChannel Definitions Second and Third Arguments in the ioctl FunctionOperation ID opId Masks Callback Error Status Return CodeReturn Codes Channel DefinesSEC2CHAERROR SEC2ADDRESSPROBLEMSEC2PARITYSYSTEMERROR SEC2TEAERRORMiscellaneous Request Structures SEC2CANCELLEDREQUESTSEC2INVALIDADDRESS Define DescriptionStatusreq Process Request StructuresScatter-Gather Buffer Management NotifyonerrorDirect Scatter-Gather Usage Example Random Number Requests Individual Request Type DescriptionsDES Requests RngreqDescryptreq ARC4 Requests1 ARC4LOADCTXCRYPTREQ Descbccryptreq Valid Descriptors opIdARC4LOADCTXCRYPTREQ Valid Descriptor opId 2 ARC4LOADKEYCRYPTUNLOADCTXREQARC4LOADKEYCRYPTUNLOADCTXREQ Valid Descriptor opId Hashreq Hash RequestsHashreq Valid Descriptors 0x4400 opId Hmacpadreq Hmac RequestsHashreq Valid Descriptors 0x4500 opId Aesacryptreq AES RequestsHmacpadreq Valid Descriptors opId Modexpreq Integer Public Key RequestsAesacryptreq Valid Descriptors opId Modexpreq Valid Descriptor opIdMODR2MODNREQ ModssexpreqModssexpreq Valid Descriptor opId Dpdmmssrsaexp5 MOD2OPREQ ModrrmodpreqModrrmodpreq Valid Descriptor opId 0x5300MOD2OPREQ Valid Descriptors opId Value Function Description Eccpointreq ECC Public Key RequestsMOD2OPREQ Valid Descriptors opId Eccpointreq Valid Descriptors opId 2 ECC2OPREQECC2OPREQ Valid Descriptors opId EccspkbuildreqEccspkbuildreq Valid Descriptor opId DpdecspkbuildulctxEccptadddblreq IPSec RequestsIpseccbcreq Eccptadddblreq Valid Descriptor opIdIpseccbcreq Valid Descriptors opId Descriptors Ipsececbreq Valid Descriptors opId IpsececbreqIpsecaescbcreq Valid Descriptors opId IpsecaescbcreqIpsecaesecbreq Ipsecaesecbreq Valid Descriptors opId IpsecespreqIpsecespreq Valid Descriptors opId DPDIPSECESPOUTTDESCBCCRPTMD5PAD DpdipsecespinsdescbcdcrptshapadDpdipsecespouttdescbccrptshapad DPDIPSECESPINTDESCBCDCRPTMD5PADSrtp Protocol Requests 10 802.11 Protocol RequestsCcmpreq SrtpreqDES Sample Sample CodeSrtpreq Valid Descriptors opId Ipsec Sample PRELIMINARY-SUBJECT to Change Without Notice Linux Environment InstallationOperation VxWorks Environment Driver Operation in User ModeDriver Module License Macro VxWorks EnvironmentBuilding the Interface Modules PortingBSP Integration VxWorks Interface Module VariablesHeader Files Interrupt Service RoutineSource Files Debug Messaging Conditional CompilationDistribution Archive How to Reach Us

SEC2SWUG specifications

Freescale Semiconductor, a prominent player in the semiconductor industry, has made significant strides in developing robust solutions tailored for the automotive and industrial sectors. One such innovation is the SEC2SWUG (Security Configuration to Software User Guide), a comprehensive framework designed to enhance security protocols across various applications.

The SEC2SWUG is particularly vital in an era where cybersecurity threats are increasingly sophisticated. This tool is built to help developers implement security measures seamlessly during the software design phase, ensuring products are resilient against potential vulnerabilities. One of the main features of the SEC2SWUG is its versatility; it can be applied across a wide range of microcontrollers and processors offered by Freescale. This is particularly advantageous for engineers who require a consistent security approach across different platforms.

In terms of technology, the SEC2SWUG incorporates advanced cryptographic algorithms, allowing for data encryption, decryption, and authentication processes. This ensures that sensitive information remains secure, particularly in automotive applications where vehicle-to-everything (V2X) communication is becoming paramount. Moreover, the guide details the implementation of secure boot processes, which verify the integrity of firmware before it executes, bolstering overall system security.

Another key characteristic of SEC2SWUG is its user-friendliness. Freescale has focused on creating a resource that not only provides theoretical knowledge but also practical guidelines, making it easier for developers to integrate security protocols into their projects. The guide features clear annotations, example code snippets, and troubleshooting tips, which enhance the developer experience and facilitate a smoother transition from concept to execution.

Additionally, SEC2SWUG is designed to be scalable. As industries evolve, the demand for security measures will only grow, and this framework ensures that developers can adapt their solutions accordingly. Whether working on embedded systems, IoT applications, or complex automotive networks, the SEC2SWUG offers a robust security foundation.

In conclusion, Freescale Semiconductor's SEC2SWUG is a vital tool for engineers and developers looking to embed security into their applications. With its focus on advanced technologies and user-centric design, the SEC2SWUG stands at the forefront of secure software development, addressing the critical need for safety in interconnected systems.
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