SEC 2.0 Reference Device Driver User's Guide

Table Of Contents

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

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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.

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.

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