User guide

MOTOROLA MPC184/MPC185 Security Co-Processor Software User’s Guide 41

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

Global Definitions

4.6.8.2 MOD_EXP_REQ

unsigned long opId;

unsigned long channel;

PMPC18x_NOTIFY_ROUTINE notify;

PMPC18x_NOTIFY_CTX pNotifyCtx;

PMPC18x_NOTIFY_ON_ERROR_ROUTINE notify_on_error;

MPC18x_NOTIFY_ON_ERROR_CTX ctxNotifyOnErr;

int status;

void* nextReq;

unsigned long aDataBytes;

unsigned char* aData;

unsigned long expBytes;

unsigned char* expData;

unsigned long modBytes;

unsigned char* modData;

unsigned long outBytes;

unsigned char* outData;

Dynamic channels are valid for this request. A channel value of zero is valid.

NUM_MM_EXP_DESC defines the number of descriptors within the DPD_MM_LDCTX_EXP_ULCTX_GROUP

that use this request.

DPD_MM_LDCTX_EXP_ULCTX_GROUP (0x5100) defines the group for all descriptors within this request.

Table 32. MOD_EXP_REQ Valid Descriptor (opId)

Descriptor Value Function Description

DPD_MM_LDCTX_EXP_ULCTX 0x5100 Load context in a dynamic channel and return the

resulting context from a MOD operation