Individual Request Type Descriptions

Table 13. HMAC_PAD_REQ Valid Descriptors (opId)

Descriptors

Value

Function Description

DPD_SHA256_LDCTX_HMAC_ULCTX

0x4A00

Load context, then use an SHA-256 hash algorithm,

 

 

then store the resulting HMAC context

DPD_MD5_LDCTX_HMAC_ULCTX

0x4A01

Load context, then use an MD5 hash algorithm, then

 

 

store the resulting HMAC context

DPD_SHA_LDCTX_HMAC_ULCTX

0x4A02

Load context, then use an SHA-1 hash algorithm,

 

 

then store the resulting HMAC context

DPD_SHA256_LDCTX_HMAC_PAD_ULCTX

0x4A03

Load context, then use an SHA-256 IDGS hash

 

 

algorithm, then store the resulting padded HMAC

 

 

context

DPD_MD5_LDCTX_HMAC_PAD_ULCTX

0x4A04

Load context, then use an MD5 IDGS hash algorithm,

 

 

then store the resulting padded HMAC context

DPD_SHA_LDCTX_HMAC_PAD_ULCTX

0x4A05

Load context, then use an SHA-1 IDGS hash

 

 

algorithm, then store the resulting padded HMAC

 

 

context

4.6 AES Requests

4.6.1 AESA_CRYPT_REQ

COMMON_REQ_PREAMBLE

 

 

unsigned long

keyBytes;

/* 16, 24, or 32

bytes */

unsigned char *keyData;

 

 

unsigned long

inIvBytes;

/* 0 or 16 bytes

*/

unsigned char *inIvData;

 

 

unsigned long

inBytes;

/* multiple of 8

bytes */

unsigned char *inData;

 

 

unsigned char *outData;

/* output length

= input length */

unsigned long

outCtxBytes; /* 0 or 8 bytes */

unsigned char *outCtxData;

NUM_AESA_CRYPT_DESC defines the number of descriptors within the DPD_AESA_CRYPT_GROUP that use this request.

DPD_AESA_CRYPT_GROUP (0x6000) defines the group for all descriptors within this request.

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

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PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

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Freescale Semiconductor SEC2SWUG specifications AES Requests, Aesacryptreq, Hmacpadreq 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.

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