SEC 2.0 Reference Device Driver User’s Guide, Rev. 0
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PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Freescale Semiconductor
Individual Request Type Descriptions
4.5 HMAC Requests
4.5.1 HMAC_PAD_REQ
COMMON_REQ_PREAMBLE
unsigned long keyBytes;
unsigned char *keyData;
unsigned long inBytes;
unsigned char *inData;
unsigned long outBytes; /* length is fixed by algorithm */
unsigned char *outData;
NUM_HMAC_PAD_DESC
defines the number of descriptors within the
DPD_HASH_LDCTX_HMAC_ULCTX_GROUP
that
use this request.
DPD_HASH_LDCTX_HMAC_ULCTX_GROUP
(0x4A00) defines the group for all descriptors within this request.
Table 12.
HASH_REQ
Valid Descriptors (0x4500) (
opId
)
Descriptors
Value
Function Description
DPD_SHA256_LDCTX_HASH_PAD_ULCTX
0x4500
Compute digest with pre-padded data using an
SHA-256 hash algorithm then store the resulting
context
DPD_MD5_LDCTX_HASH_PAD_ULCTX
0x4501
Compute digest with pre-padded data using an MD5
hash algorithm then store the resulting context
DPD_SHA_LDCTX_HASH_PAD_ULCTX
0x4502
Compute digest with pre-padded data using an
SHA-1 hash algorithm then store the resulting context
DPD_SHA256_LDCTX_IDGS_HASH_PAD_ULCTX
0x4503
Compute digest with pre-padded data using an
SHA-256 IDGS hash algorithm then store the
resulting padded context
DPD_MD5_LDCTX_IDGS_HASH_PAD_ULCTX
0x4504
Compute digest with pre-padded data using an MD5
IDGS hash algorithm then store the resulting padded
context
DPD_SHA_LDCTX_IDGS_HASH_PAD_ULCTX
0x4505
Compute digest with pre-padded data using an
SHA-1 IDGS hash algorithm then store the resulting
padded context
