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/*
* Licensed Materials - Property of IBM
*
* trousers - An open source TCG Software Stack
*
* (C) Copyright International Business Machines Corp. 2004
*
*/
#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_Sign_Internal(TCS_CONTEXT_HANDLE hContext, /* in */
TCS_KEY_HANDLE keyHandle, /* in */
UINT32 areaToSignSize, /* in */
BYTE * areaToSign, /* in */
TPM_AUTH * privAuth, /* in, out */
UINT32 * sigSize, /* out */
BYTE ** sig /* out */
)
{
UINT64 offset = 0;
UINT32 paramSize;
TSS_RESULT result;
TCPA_KEY_HANDLE keySlot;
BYTE txBlob[TSS_TPM_TXBLOB_SIZE];
LogDebug("Entering Sign");
if ((result = ctx_verify_context(hContext)))
return result;
if (privAuth != NULL) {
LogDebug("Auth Used");
if ((result = auth_mgr_check(hContext, &privAuth->AuthHandle)))
goto done;
} else {
LogDebug("No Auth");
}
if ((result = ensureKeyIsLoaded(hContext, keyHandle, &keySlot)))
goto done;
if ((result = tpm_rqu_build(TPM_ORD_Sign, &offset, txBlob, keySlot, areaToSignSize,
areaToSign, privAuth)))
return result;
if ((result = req_mgr_submit_req(txBlob)))
goto done;
result = UnloadBlob_Header(txBlob, ¶mSize);
if (!result) {
result = tpm_rsp_parse(TPM_ORD_Sign, txBlob, paramSize, sigSize, sig, privAuth,
NULL);
}
LogResult("sign", result);
done:
auth_mgr_release_auth(privAuth, NULL, hContext);
return result;
}
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