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/*
* Load a key.
* Copyright (C) 2010 The MITRE Corporation
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of the BSD License as published by the
* University of California.
*/
#if defined HAVE_CONFIG_H
#include "config.h"
#endif
#include <stddef.h>
#include <stdlib.h>
#include <tss/tspi.h>
#include "tpm_quote.h"
/* Load a key and register it under the given UUID. */
int loadkey(TSS_HCONTEXT hContext,
BYTE *blob, UINT32 blobLen,
TSS_UUID uuid)
{
/* Get SRK */
TSS_UUID SRK_UUID = TSS_UUID_SRK;
TSS_HKEY hSRK;
TSS_RESULT rc;
rc = Tspi_Context_LoadKeyByUUID(hContext, TSS_PS_TYPE_SYSTEM,
SRK_UUID, &hSRK);
if (rc != TSS_SUCCESS)
return tss_err(rc, "loading SRK");
TSS_HPOLICY hSrkPolicy;
rc = Tspi_GetPolicyObject(hSRK, TSS_POLICY_USAGE, &hSrkPolicy);
if (rc != TSS_SUCCESS)
return tss_err(rc, "getting SRK policy");
BYTE srkSecret[] = TSS_WELL_KNOWN_SECRET;
rc = Tspi_Policy_SetSecret(hSrkPolicy, TSS_SECRET_MODE_SHA1,
sizeof srkSecret, srkSecret);
if (rc != TSS_SUCCESS)
return tss_err(rc, "setting SRK secret");
TSS_HKEY hAIK; /* AIK handle */
rc = Tspi_Context_LoadKeyByBlob(hContext, hSRK, blobLen, blob, &hAIK);
if (rc != TSS_SUCCESS)
return tss_err(rc, "loading key blob");
/* Register the key in persistant storage */
rc = Tspi_Context_RegisterKey(hContext, hAIK, TSS_PS_TYPE_SYSTEM,
uuid, TSS_PS_TYPE_SYSTEM, SRK_UUID);
if (rc != TSS_SUCCESS)
return tss_err(rc, "registering a key");
return 0;
}
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