User guide

MOTOROLA MPC184/MPC185 Security Co-Processor Software User’s Guide 23

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

Global Definitions

4.6.3 ARC4 Process Request Structures

The following sections provide structure definitions for ARC4 process requests.

4.6.3.1 ARC4_NEWCTX_STATIC_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 keyBytes;

unsigned char* keyData;

Dynamic channels are not valid for this request. A channel value of zero is invalid.

NUM_RC4_STATIC_NEWCTX_DESC defines the number of descriptors within the

DPD_RC4_SA_NEWCTX_GROUP that use this request.

DPD_RC4_SA_NEWCTX_GROUP (0x3000) defines the group for all descriptors within this request.

Table 14. ARC4_NEWCTX_STATIC_REQ Valid Descriptor (opId)

Descriptor Value Function Description

DPD_RC4_SA_NEWCTX 0x3000 Use RC4 on static channel with new context