Freescale Semiconductor SEC2SWUG Sample Code, DES Sample, Srtpreq Valid Descriptors opId

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Sample Code

unsigned long ivBytes; unsigned char *ivData; unsigned long HeaderBytes; unsigned long inBytes; unsigned char *inData; unsigned long ROCBytes; unsigned long cryptDataBytes; unsigned char *cryptDataOut; unsigned long digestBytes; unsigned char *digestData; unsigned long outIvBytes; unsigned char *outIvData;

NUM_SRTP_DESC defines the number of descriptors within the DPD_SRTP_GROUP that use this request. DPD_SRTP_GROUP (0x8500) defines the group for all descriptors within this request.

Table 30. SRTP_REQ Valid Descriptors (opId)

Descriptors

Value

Function Description

DPD_SRTP_OUTBOUND

0x8500

Process an outbound SRTP packet

DPD_SRTP_INBOUND

0x8501

Process an inbound SRTP packet

5 Sample Code

The following sections provide sample codes for DES and IPSec.

5.1 DES Sample

/* define the User Structure */ DES_LOADCTX_CRYPT_REQ desencReq;

...

/* fill the User Request structure with appropriate pointers */ desencReq.opId = DPD_TDES_CBC_ENCRYPT_SA_LDCTX_CRYPT ; desencReq.channel = 0; /* dynamic channel */ desencReq.notify = (void*) notifyDes; /* callback function */ desencReq.notify_on_error = (void*) notifyDes; /* callback in case of errors only */

SEC 2.0 Reference Device Driver User’s Guide, Rev. 0

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PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

Freescale Semiconductor

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Contents Overview Freescale SemiconductorAcronyms and Abbreviations OverviewTerm Meaning SEC 2.0 Reference Device Driver User’s Guide, RevDevice Driver Components Device Driver StructureDevice Driver Components End-User ApplicationInterrupt Service Routine Driver Initialization RoutineRequest Dispatch Routine Process Request RoutineDeferred Service Routine User InterfaceApplication Interface User InterfaceError Handling = DpdaesacbcencryptcryptGlobal Definitions 1 I/O Control CodesChannel Definitions Second and Third Arguments in the ioctl FunctionCallback Error Status Return Code Operation ID opId MasksReturn Codes Channel DefinesSEC2ADDRESSPROBLEM SEC2CHAERRORSEC2PARITYSYSTEMERROR SEC2TEAERRORSEC2CANCELLEDREQUEST Miscellaneous Request StructuresSEC2INVALIDADDRESS Define DescriptionProcess Request Structures StatusreqNotifyonerror Scatter-Gather Buffer ManagementDirect Scatter-Gather Usage Example Individual Request Type Descriptions Random Number RequestsDES Requests RngreqARC4 Requests Descryptreq1 ARC4LOADCTXCRYPTREQ Descbccryptreq Valid Descriptors opId2 ARC4LOADKEYCRYPTUNLOADCTXREQ ARC4LOADCTXCRYPTREQ Valid Descriptor opIdARC4LOADKEYCRYPTUNLOADCTXREQ Valid Descriptor opId Hash Requests HashreqHashreq Valid Descriptors 0x4400 opId Hmac Requests HmacpadreqHashreq Valid Descriptors 0x4500 opId AES Requests AesacryptreqHmacpadreq Valid Descriptors opId Integer Public Key Requests ModexpreqAesacryptreq Valid Descriptors opId Modexpreq Valid Descriptor opIdModssexpreq MODR2MODNREQModssexpreq Valid Descriptor opId DpdmmssrsaexpModrrmodpreq 5 MOD2OPREQModrrmodpreq Valid Descriptor opId 0x5300MOD2OPREQ Valid Descriptors opId Value Function Description ECC Public Key Requests EccpointreqMOD2OPREQ Valid Descriptors opId 2 ECC2OPREQ Eccpointreq Valid Descriptors opIdEccspkbuildreq ECC2OPREQ Valid Descriptors opIdEccspkbuildreq Valid Descriptor opId DpdecspkbuildulctxIPSec Requests EccptadddblreqIpseccbcreq Eccptadddblreq Valid Descriptor opIdIpseccbcreq Valid Descriptors opId Descriptors Ipsececbreq Ipsececbreq Valid Descriptors opIdIpsecaescbcreq Ipsecaescbcreq Valid Descriptors opIdIpsecaesecbreq Ipsecespreq Ipsecaesecbreq Valid Descriptors opIdIpsecespreq Valid Descriptors opId Dpdipsecespinsdescbcdcrptshapad DPDIPSECESPOUTTDESCBCCRPTMD5PADDpdipsecespouttdescbccrptshapad DPDIPSECESPINTDESCBCDCRPTMD5PAD10 802.11 Protocol Requests Srtp Protocol RequestsCcmpreq SrtpreqSample Code DES SampleSrtpreq Valid Descriptors opId Ipsec Sample PRELIMINARY-SUBJECT to Change Without Notice Installation Linux EnvironmentOperation Driver Operation in User Mode VxWorks EnvironmentDriver Module License Macro VxWorks EnvironmentPorting Building the Interface ModulesBSP Integration VxWorks Interface Module VariablesInterrupt Service Routine Header FilesSource Files Conditional Compilation Debug MessagingDistribution 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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