KDF Client APIs

Functions
s32	XAsu_KdfGenerate (XAsu_ClientParams *ClientParamsPtr, XAsu_KdfParams *KdfParamsPtr)
	This function sends command to ASUFW to generate the derived key of specified key length by using the Key Derivative Function (KDF) in counter mode. More...
s32	XAsu_KdfKat (XAsu_ClientParams *ClientParamsPtr)
	This function sends command to ASUFW to perform KDF Known Answer Tests (KAT's). More...

Function Documentation

s32 XAsu_KdfGenerate	(	XAsu_ClientParams *	ClientParamsPtr,
		XAsu_KdfParams *	KdfParamsPtr
	)

This function sends command to ASUFW to generate the derived key of specified key length by using the Key Derivative Function (KDF) in counter mode.

Parameters

ClientParamsPtr	Pointer to the XAsu_ClientParams structure which holds the client input parameters.
KdfParamsPtr	Pointer to XAsu_KdfParams structure which holds the parameters of KDF input arguments.

Returns

• XST_SUCCESS, if IPI request to ASU is sent successfully.
• XASU_INVALID_ARGUMENT, if any argument is invalid.
• XASU_INVALID_UNIQUE_ID, if received Queue ID is invalid.
• XST_FAILURE, if sending IPI request to ASU fails.

Validate input parameters.

Get the command ID based on SHA type.

Update request buffer and send an IPI request to ASU.

References XAsu_KdfParams::ShaType, XAsu_CreateHeader(), XASU_INVALID_UNIQUE_ID, XASU_KDF_GENERATE_SHA2_CMD_ID, XASU_KDF_GENERATE_SHA3_CMD_ID, XASU_MODULE_KDF_ID, XAsu_RegCallBackNGetUniqueId(), XASU_SHA2_TYPE, XASU_UNIQUE_ID_MAX, XAsu_UpdateQueueBufferNSendIpi(), and XAsu_ValidateClientParameters().

s32 XAsu_KdfKat

(

XAsu_ClientParams *

ClientParamsPtr

)

This function sends command to ASUFW to perform KDF Known Answer Tests (KAT's).

Parameters

ClientParamsPtr

Pointer to the XAsu_ClientParams structure which holds the client input parameters.

Returns

• XST_SUCCESS, if IPI request to ASU is sent successfully.
• XASU_INVALID_ARGUMENT, if any argument is invalid.
• XASU_INVALID_UNIQUE_ID, if received Queue ID is invalid.
• XST_FAILURE, if sending IPI request to ASU fails.

Validate input parameters.

Update request buffer and send an IPI request to ASU.

References XAsu_CreateHeader(), XASU_INVALID_UNIQUE_ID, XASU_KDF_KAT_CMD_ID, XASU_MODULE_KDF_ID, XAsu_RegCallBackNGetUniqueId(), XASU_UNIQUE_ID_MAX, XAsu_UpdateQueueBufferNSendIpi(), and XAsu_ValidateClientParameters().