Individual Request Type Descriptions

4.4 Hash Requests

4.4.1 HASH_REQ

COMMON_REQ_PREAMBLE unsigned long ctxBytes; unsigned char *ctxData; unsigned long inBytes; unsigned char *inData;

unsigned long outBytes; /* length is fixed by algorithm */ unsigned char *outData;

NUM_MDHA_DESC defines the number of descriptors within the DPD_HASH_LDCTX_HASH_ULCTX_GROUP that use this request.

DPD_HASH_LDCTX_HASH_ULCTX_GROUP (0x4400) defines the group for all descriptors within this request.

Table 11. HASH_REQ Valid Descriptors (0x4400) (opId)

Descriptors

Value

Function Description

DPD_SHA256_LDCTX_HASH_ULCTX

0x4400

Load context, compute digest using SHA-256 hash

 

 

algorithm, then save the resulting context

DPD_MD5_LDCTX_HASH_ULCTX

0x4401

Load context, compute digest using MD5 hash

 

 

algorithm, then save the resulting context

DPD_SHA_LDCTX_HASH_ULCTX

0x4402

Load context, compute using SHA-1 hash algorithm,

 

 

then save the resulting context

DPD_SHA256_LDCTX_IDGS_HASH_ULCTX

0x4403

Load context, compute digest with SHA-256 IDGS

 

 

hash algorithm, then store the resulting context

DPD_MD5_LDCTX_IDGS_HASH_ULCTX

0x4404

Load context, compute digest with MD5 IDGS hash

 

 

algorithm, then store the resulting context

DPD_SHA_LDCTX_IDGS_HASH_ULCTX

0x4405

Load context, compute digest with SHA-1 IDGS hash

 

 

algorithm, then store the resulting context

NUM_MDHA_PAD_DESC defines the number of descriptors within the

DPD_HASH_LDCTX_HASH_PAD_ULCTX_GROUP that use this request.

DPD_HASH_LDCTX_HASH_PAD_ULCTX_GROUP (0x4500) defines the group for all descriptors within this request.

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

Freescale Semiconductor

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

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Freescale Semiconductor SEC2SWUG specifications Hash Requests, Hashreq Valid Descriptors 0x4400 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.

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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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