Individual Request Type Descriptions

4 Individual Request Type Descriptions

4.1 Random Number Requests

4.1.1 RNG_REQ

COMMON_REQ_PREAMBLE

unsigned long rngBytes;

unsigned char* rngData;

NUM_RNGA_DESC defines the number of descriptors within the DPD_RNG_GROUP that use this request. DPD_RNG_GROUP (0x1000) defines the group for all descriptors within this request.

Table 6. RNG_REQ Valid Descriptor (opId)

Descriptor

Value

Function Description

DPD_RNG_GETRN

0x1000

Generate a series of random values

4.2 DES Requests

4.2.1 DES_CBC_CRYPT_REQ

COMMON_REQ_PREAMBLE

 

 

unsigned long

inIvBytes;

/* 0 or 8

bytes */

unsigned char *inIvData;

 

 

unsigned long

keyBytes;

/* 8, 16,

or 24 bytes */

unsigned char *keyData;

 

 

unsigned long

inBytes;

/* multiple of 8 bytes */

unsigned char *inData;

 

 

unsigned char *outData;

/* output

length = input length */

unsigned long

outIvBytes; /* 0 or 8

bytes */

unsigned char *outIvData;

NUM_DES_LOADCTX_DESC defines the number of descriptors within the DPD_DES_CBC_CTX_GROUP that use this request.

DPD_DES_CBC_CTX_GROUP (0x2500) defines the group for all descriptors within this request.

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

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Freescale Semiconductor

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Freescale Semiconductor SEC2SWUG Individual Request Type Descriptions, Random Number Requests, DES Requests, Rngreq
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SEC2SWUG specifications

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