Individual Request Type Descriptions

unsigned char *inCtxData;

 

 

unsigned long

inBytes;

 

 

unsigned char *inData;

 

 

unsigned

char *outData;

/*

output length = input length */

unsigned

long

outCtxBytes; /*

257 bytes */

unsigned char *outCtxData;

NUM_RC4_LOADCTX_UNLOADCTX_DESC defines the number of descriptors within the

DPD_RC4_LDCTX_CRYPT_ULCTX_GROUP that use this request.

DPD_RC4_LDCTX_CRYPT_ULCTX_GROUP (0x3400) defines the group for all descriptors within this request.

Table 9. ARC4_LOADCTX_CRYPT_REQ Valid Descriptor (opId)

Descriptor

Value

Function Description

DPD_RC4_LDCTX_CRYPT_ULCTX

0x3400

Load context, encrypt using RC4, and store the

 

 

resulting context

4.3.2 ARC4_LOADKEY_CRYPT_UNLOADCTX_REQ

COMMON_REQ_PREAMBLE

 

unsigned long

keyBytes;

 

unsigned char *keyData;

 

unsigned long

inBytes;

 

unsigned char *inData;

 

unsigned char *outData;

/* output length = input length */

unsigned long

outCtxBytes; /* 257 bytes */

unsigned char*

outCtxData;

 

NUM_RC4_LOADKEY_UNLOADCTX_DESC defines the number of descriptors within the

DPD_RC4_LDKEY_CRYPT_ULCTX_GROUP that use this request.

DPD_RC4_LDKEY_CRYPT_ULCTX_GROUP (0x3500) defines the group for all descriptors within this request.

Table 10. ARC4_LOADKEY_CRYPT_UNLOADCTX_REQ Valid Descriptor (opId)

Descriptor

Value

Function Description

DPD_RC4_LDKEY_CRYPT_ULCTX

0x3500

Load the cipher key, encrypt using RC4 then save the

 

 

resulting context

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

16

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

Freescale Semiconductor

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Freescale Semiconductor SEC2SWUG specifications 2 ARC4LOADKEYCRYPTUNLOADCTXREQ, ARC4LOADCTXCRYPTREQ Valid Descriptor opId

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.