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

36

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

Freescale Semiconductor

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