Freescale-semiconductor SEC2SWUG Manuel d'utilisateur télécharger pdf (Page 16)

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

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Individual Request Type Descriptions

unsigned char *inCtxData;

unsigned long inBytes;

unsigned char *inData;

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

unsigned long outCtxBytes; /* 257 bytes */

unsigned char *outCtxData;

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.

4.3.2 ARC4_LOADKEY_CRYPT_UNLOADCTX_REQ

COMMON_REQ_PREAMBLE

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;

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 9. ARC4_LOADCTX_CRYPT_REQ Valid Descriptor (opId)

Descriptor Value Function Description

DPD_RC4_LDCTX_CRYPT_ULCTX 0x3400 Load context, encrypt using RC4, and store the

resulting context

Table 10. ARC4_LOADKEY_CRYPT_UNLOADCTX_REQ Valid Descriptor (opId)

Descriptor Value Function Description

DPD_RC4_LDKEY_CRYPT_ULCTX 0x3500 Load the cipher key, encrypt using RC4 then save the

resulting context

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Freescale-semiconductor SEC2SWUG Manuel d'utilisateur Page 16