Hi all,
I am novice of Trousers. When I try to create bindKey, all things are normal
,it displays that key is created successful. except:
Line62, main)create key returned 0x00000000. Success.
Line69, main)load key returned 0x00003116. No secret information available for
the address policy.
Line71, main)get key returned 0x0000310e. The addressed key is not currently
loaded.
But I can't get this key. I don't know why, could anyone help me,please?
I have use takeownership -u -z to set the SRK key.
My programming and result are as follows:
#define BACKUP_KEY_UUID {0, 0, 0, 0, 0, {0, 0, 0, 0, 2, 19}}
#define DBG(message, tResult) printf("Line%d, %s)%s returned 0x%08x.
%s.\n",__LINE__,__func__,message, tResult,(char *)Trspi_Error_String(tResult))
int main(){
TSS_RESULT result;
TSS_HTPM hTPM;
TSS_HCONTEXT hContext;
TSS_HPOLICY hownerpolicy,hSRKPolicy;
TSS_HKEY hSRK;
TSS_HKEY hkey;
TSS_UUID SRK_UUID=TSS_UUID_SRK;
TSS_FLAG initFlags;
TSS_UUID bindkeyUUID=BACKUP_KEY_UUID;
BYTE *pubKey;
UINT32 pubKeySize;
struct timeval tpstart,tpend;
double duration;
FILE *fp;
int i;
fp = fopen("2048key.out","wb");
gettimeofday(&tpstart,NULL);
result=Tspi_Context_Create(&hContext);
DBG("create context",result);
result=Tspi_Context_Connect(hContext,NULL);
DBG("connect to local tpm",result);
result=Tspi_Context_GetTpmObject(hContext,&hTPM);
DBG("creat tpm object",result);
result=Tspi_GetPolicyObject(hTPM,TSS_POLICY_USAGE,&hownerpolicy);
DBG("get tpm policy",result);
result=Tspi_Policy_SetSecret(hownerpolicy,TSS_SECRET_MODE_NONE,0,NULL);
DBG("set tpm policy secret",result);
result=Tspi_Context_LoadKeyByUUID(hContext,TSS_PS_TYPE_SYSTEM,SRK_UUID,&hSRK);
DBG("load srk",result);
result=Tspi_GetPolicyObject(hSRK,TSS_POLICY_USAGE,&hSRKPolicy);
DBG("get srk policy",result);
result=Tspi_Policy_SetSecret(hSRKPolicy,TSS_SECRET_MODE_NONE,0,NULL);
DBG("set srk secret",result);
initFlags=TSS_KEY_TYPE_BIND|TSS_KEY_SIZE_2048|TSS_KEY_NO_AUTHORIZATION;
result=Tspi_Context_CreateObject(hContext,TSS_OBJECT_TYPE_RSAKEY,initFlags,&hkey);
DBG("set bind key",result);
result=Tspi_SetAttribUint32(hkey,TSS_TSPATTRIB_KEY_INFO,TSS_TSPATTRIB_KEYINFO_ENCSCHEME,TSS_ES_RSAESPKCSV15);
DBG("padding key",result);
result = Tspi_GetPolicyObject(hkey,TSS_POLICY_USAGE,&hownerpolicy);
DBG("Got the SRK policy",result);
result=Tspi_Key_CreateKey(hkey,hSRK,0);
DBG("create key",result);
result=Tspi_Context_RegisterKey(hContext,hkey,TSS_PS_TYPE_USER,bindkeyUUID,TSS_PS_TYPE_SYSTEM,SRK_UUID);
DBG("register key",result);
result = Tspi_Key_LoadKey(hkey,hSRK);
DBG("load key",result);
result = Tspi_Key_GetPubKey(hkey,&pubKeySize,&pubKey);
DBG("get key",result);
Tspi_Context_FreeMemory(hContext,NULL);
Tspi_Context_Close(hContext);
gettimeofday(&tpend,NULL);
duration =
1000000*(tpend.tv_sec-tpstart.tv_sec)+tpend.tv_usec-tpstart.tv_usec;
printf("%lf\n",duration/1000000);
printf("SUCCESS!\n");
fprintf(fp,"%d:%lf\n",i,duration);
// }
fclose(fp);
return 0;
}------------------------------------------------------------------------------
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