User guide

MOTOROLA MPC184/MPC185 Security Co-Processor Software User’s Guide 27

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

Global Definitions

4.6.3.5 ARC4_LOADCTX_CRYPT_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 inCtxBytes; /* 257 bytes */

unsigned char* inCtxData;

unsigned long inBytes;

unsigned char* inData;

unsigned char* outData; /* output length = input length */

unsigned long outCtxBytes; /* 257 bytes */

unsigned char* outCtxData;

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

NUM_RC4_LOADCTX_UNLOADCTX_DESC defines the number of descriptors within the

DPD_RC4_LDCTX_CRYPT_ULCTX_GROUP that use this request.

DPD_RC4_LDCTX_CRYPT_ULCTX_GROUP (0x3400) defines the group for all descriptors within this

request.

Table 18. ARC4_LOADCTX_CRYPT_REQ Valid Descriptor (opId)

Descriptor Value Function Description

DPD_RC4_LDCTX_CRYPT_ULCTX 0x3400 Load context from a dynamic channel to encrypt using

RC4 then get the resulting context