Freescale-semiconductor SEC2SWUG Manual de usuario descargar pdf (Pagina 20)

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

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Individual Request Type Descriptions

4.7 Integer Public Key Requests

4.7.1 MOD_EXP_REQ

COMMON_REQ_PREAMBLE

unsigned long aDataBytes;

unsigned char *aData;

unsigned long expBytes;

unsigned char *expData;

unsigned long modBytes;

unsigned char *modData;

unsigned long outBytes;

unsigned char *outData;

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 14 . AESA_CRYPT_REQ Valid Descriptors (opId)

Descriptors Value Function Description

DPD_AESA_CBC_ENCRYPT_CRYPT 0x6000 Perform encryption in AESA using CBC mode

DPD_AESA_CBC_DECRYPT_CRYPT 0x6001 Perform decryption in AESA using CBC mode

DPD_AESA_CBC_DECRYPT_CRYPT_RDK 0x6002 Perform decryption in AESA using CBC mode with

RDK

DPD_AESA_ECB_ENCRYPT_CRYPT 0x6003 Perform encryption in AESA using ECB mode

DPD_AESA_ECB_DECRYPT_CRYPT 0x6004 Perform decryption in AESA using ECB mode

DPD_AESA_ECB_DECRYPT_CRYPT_RDK 0x6005 Perform decryption in AESA using ECB mode with

RDK

DPD_AESA_CTR_CRYPT 0x6006 Perform CTR in AESA

DPD_AESA_CTR_HMAC 0x6007 Perform AES CTR-mode cipher operation with

integrated authentication as part of the operation

Table 15. MOD_EXP_REQ Valid Descriptor (opId)

Descriptors Value Function Description

DPD_MM_LDCTX_EXP_ULCTX 0x5100 Perform a modular exponentiation operation

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 43 44

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Freescale-semiconductor SEC2SWUG Manual de usuario Pagina 20