crypto/external/cpl/trousers/dist/src/tcs/tcsi_bind.c
author yamt <yamt@NetBSD.org>
Tue, 17 Apr 2012 00:01:34 +0000
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changeset 280360 e98874280705
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/*
 * Licensed Materials - Property of IBM
 *
 * trousers - An open source TCG Software Stack
 *
 * (C) Copyright International Business Machines Corp. 2004-2006
 *
 */


#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <inttypes.h>

#include "trousers/tss.h"
#include "trousers_types.h"
#include "tcs_tsp.h"
#include "tcsps.h"
#include "tcs_utils.h"
#include "tcs_int_literals.h"
#include "capabilities.h"
#include "tcslog.h"
#include "req_mgr.h"
#include "tcsd_wrap.h"
#include "tcsd.h"


TSS_RESULT
TCSP_UnBind_Internal(TCS_CONTEXT_HANDLE hContext,	/* in */
		     TCS_KEY_HANDLE keyHandle,	/* in */
		     UINT32 inDataSize,	/* in */
		     BYTE * inData,	/* in */
		     TPM_AUTH * privAuth,	/* in, out */
		     UINT32 * outDataSize,	/* out */
		     BYTE ** outData)	/* out */
{
	UINT32 paramSize;
	TSS_RESULT result;
	UINT64 offset = 0;
	TCPA_KEY_HANDLE keySlot;
	BYTE txBlob[TSS_TPM_TXBLOB_SIZE];

	LogDebug("Entering TCSI_UnBind");
	if ((result = ctx_verify_context(hContext)))
		goto done;

	if (privAuth != NULL) {
		LogDebug("Auth Used");
		if ((result = auth_mgr_check(hContext, &privAuth->AuthHandle)))
			goto done;
	} else {
		LogDebug("No Auth");
	}

	LogDebugFn("calling ensureKeyIsLoaded for TCS handle 0x%x", keyHandle);
	if ((result = ensureKeyIsLoaded(hContext, keyHandle, &keySlot)))
		goto done;

	if ((result = tpm_rqu_build(TPM_ORD_UnBind, &offset, txBlob, keySlot, inDataSize, inData,
				    privAuth, NULL)))
		return result;

	if ((result = req_mgr_submit_req(txBlob)))
		goto done;

	result = UnloadBlob_Header(txBlob, &paramSize);
	if (!result) {
		result = tpm_rsp_parse(TPM_ORD_UnBind, txBlob, paramSize, outDataSize, outData,
				       privAuth, NULL);
	}

done:
	auth_mgr_release_auth(privAuth, NULL, hContext);
	return result;
}