User guide

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

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

Global Definitions Global Definitions

4.6.3.6 ARC4_LOADKEY_CRYPT_UNLOADCTX_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;

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_LOADKEY_UNLOADCTX_DESC defines the number of descriptors within the

DPD_RC4_LDKEY_CRYPT_ULCTX_GROUP that use this request.

DPD_RC4_LDKEY_CRYPT_ULCTX_GROUP (0x3500) defines the group for all descriptors within this

request.

Table 19. ARC4_LOADKEY_CRYPT_UNLOADCTX_REQ Valid Descriptor (opId)

Descriptor Value Function Description

DPD_RC4_LDKEY_CRYPT_ULCTX 0x3500 Load the key to a dynamic channel to encrypt using

RC4 then get the resulting context