mirror of
https://github.com/nsacyber/HIRS.git
synced 2024-12-18 20:47:58 +00:00
279 lines
9.4 KiB
C++
279 lines
9.4 KiB
C++
#ifndef libhis_collateidentityrequest_hpp
|
|
#define libhis_collateidentityrequest_hpp
|
|
|
|
#ifdef WINDOWS
|
|
#include "tspi.h"
|
|
#include "tss_error.h"
|
|
#include "tss_defines.h"
|
|
#endif
|
|
#ifdef LINUX
|
|
#include <tss/tspi.h>
|
|
#include <tss/tss_error.h>
|
|
#include <tss/tss_defines.h>
|
|
#endif
|
|
|
|
#include "libhis_exception.hpp"
|
|
#include "libhis_utils.hpp"
|
|
|
|
class libhis_collateidentityrequest
|
|
{
|
|
public:
|
|
libhis_collateidentityrequest()
|
|
{
|
|
//set default values
|
|
init_ik_size = TSS_KEY_SIZE_DEFAULT;
|
|
init_ik_type = TSS_KEY_TYPE_IDENTITY;
|
|
init_ik_authorized = TSS_KEY_AUTHORIZATION;
|
|
init_ik_migratable = TSS_KEY_NOT_MIGRATABLE;
|
|
init_ik_volatile = TSS_KEY_VOLATILE;
|
|
binitialized = false;
|
|
|
|
|
|
//create a context object
|
|
result = Tspi_Context_Create(&hcontext);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Create Conntext", result);
|
|
|
|
//create an SRK object
|
|
result = Tspi_Context_CreateObject(hcontext, TSS_OBJECT_TYPE_RSAKEY, TSS_KEY_TSP_SRK, &hkey_srk);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Create SRK", result);
|
|
|
|
//Create TPM policy
|
|
result = Tspi_Context_CreateObject(hcontext, TSS_OBJECT_TYPE_POLICY, TSS_POLICY_USAGE, &hpolicy_tpm);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Create TPM Policy", result);
|
|
|
|
//Create SRK policy
|
|
result = Tspi_Context_CreateObject(hcontext, TSS_OBJECT_TYPE_POLICY, TSS_POLICY_USAGE, &hpolicy_srk);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Create SRK Policy", result);
|
|
|
|
//Create IK policy
|
|
result = Tspi_Context_CreateObject(hcontext, TSS_OBJECT_TYPE_POLICY, TSS_POLICY_USAGE, &hpolicy_ik);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Create IK Policy", result);
|
|
|
|
//Create ACAK object
|
|
result = Tspi_Context_CreateObject(hcontext, TSS_OBJECT_TYPE_RSAKEY, TSS_KEY_SIZE_DEFAULT, &hkey_acak);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Create ACAK", result);
|
|
}
|
|
|
|
void init()
|
|
{
|
|
//combine the init flags
|
|
init_ik = init_ik_size | init_ik_type | init_ik_authorized | init_ik_migratable | init_ik_volatile;
|
|
|
|
//Create IK object
|
|
result = Tspi_Context_CreateObject(hcontext, TSS_OBJECT_TYPE_RSAKEY, init_ik, &hkey_ik);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Create IK", result);
|
|
|
|
binitialized = true;
|
|
}
|
|
|
|
void collateidentityrequest(
|
|
unsigned char *auth_tpm_value,
|
|
unsigned long auth_tpm_size,
|
|
bool auth_tpm_sha1,
|
|
unsigned char *auth_srk_value,
|
|
unsigned long auth_srk_size,
|
|
bool auth_srk_sha1,
|
|
unsigned char *auth_ik_value,
|
|
unsigned long auth_ik_size,
|
|
bool auth_ik_sha1,
|
|
unsigned char *label_ik_value,
|
|
unsigned long label_ik_size,
|
|
unsigned char *key_acak_value,
|
|
unsigned long key_acak_size,
|
|
unsigned char *uuid_ik_value,
|
|
bool uuid_overwrite,
|
|
unsigned char *ekc_value,
|
|
unsigned long ekc_size,
|
|
unsigned char *pc_value,
|
|
unsigned long pc_size,
|
|
unsigned char *&output_value,
|
|
unsigned long &output_size)
|
|
{
|
|
//establish a session
|
|
result = Tspi_Context_Connect(hcontext, 0);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Connect Context", result);
|
|
|
|
//get the TPM object
|
|
result = Tspi_Context_GetTpmObject(hcontext, &htpm);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Get TPM Object", result);
|
|
|
|
//set up TPM auth
|
|
if(auth_tpm_sha1)
|
|
{
|
|
result = Tspi_Policy_SetSecret(hpolicy_tpm, TSS_SECRET_MODE_SHA1, auth_tpm_size, auth_tpm_value);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Set TPM Secret SHA1", result);
|
|
}
|
|
else
|
|
{
|
|
result = Tspi_Policy_SetSecret(hpolicy_tpm, TSS_SECRET_MODE_PLAIN, auth_tpm_size, auth_tpm_value);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Set TPM Secret Plain", result);
|
|
}
|
|
|
|
//assign the TPM auth
|
|
result = Tspi_Policy_AssignToObject(hpolicy_tpm, htpm);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Assign TPM Secret", result);
|
|
|
|
//assign the TPM auth to the ACAK too
|
|
result = Tspi_Policy_AssignToObject(hpolicy_tpm, hkey_acak);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Assign ACAK Secret", result);
|
|
|
|
//load the SRK
|
|
TSS_UUID uuid_srk = TSS_UUID_SRK;
|
|
result = Tspi_Context_LoadKeyByUUID(hcontext, TSS_PS_TYPE_SYSTEM, uuid_srk, &hkey_srk);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Load SRK", result);
|
|
|
|
//set up SRK auth
|
|
if(auth_srk_sha1)
|
|
{
|
|
result = Tspi_Policy_SetSecret(hpolicy_srk, TSS_SECRET_MODE_SHA1, auth_srk_size, auth_srk_value);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Set SRK Secret SHA1", result);
|
|
}
|
|
else
|
|
{
|
|
result = Tspi_Policy_SetSecret(hpolicy_srk, TSS_SECRET_MODE_PLAIN, auth_srk_size, auth_srk_value);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Set SRK Secret Plain", result);
|
|
}
|
|
|
|
//assign the SRK auth
|
|
result = Tspi_Policy_AssignToObject(hpolicy_srk, hkey_srk);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Assign SRK Secret", result);
|
|
|
|
//set up IK auth
|
|
if(auth_ik_sha1)
|
|
{
|
|
result = Tspi_Policy_SetSecret(hpolicy_ik, TSS_SECRET_MODE_SHA1, auth_ik_size, auth_ik_value);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Set IK Secret SHA1", result);
|
|
}
|
|
else
|
|
{
|
|
result = Tspi_Policy_SetSecret(hpolicy_ik, TSS_SECRET_MODE_PLAIN, auth_ik_size, auth_ik_value);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Set IK Secret Plain", result);
|
|
}
|
|
|
|
//assign the IK auth
|
|
result = Tspi_Policy_AssignToObject(hpolicy_ik, hkey_ik);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Assign IK Secret", result);
|
|
|
|
//set ACAK blob
|
|
result = Tspi_SetAttribData(hkey_acak, TSS_TSPATTRIB_KEY_BLOB, TSS_TSPATTRIB_KEYBLOB_PUBLIC_KEY, key_acak_size, key_acak_value);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Set ACAK Blob", result);
|
|
|
|
if(ekc_size != 0)
|
|
{
|
|
//set the EK cert
|
|
result = Tspi_SetAttribData(htpm, TSS_TSPATTRIB_TPM_CREDENTIAL, TSS_TPMATTRIB_EKCERT, ekc_size, ekc_value);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Set EK credential blob", result);
|
|
}
|
|
|
|
if(pc_size != 0)
|
|
{
|
|
//set the Platform cert
|
|
result = Tspi_SetAttribData(htpm, TSS_TSPATTRIB_TPM_CREDENTIAL, TSS_TPMATTRIB_PLATFORMCERT, pc_size, pc_value);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Set Platform credential blob", result);
|
|
}
|
|
|
|
//Collate identity request
|
|
BYTE *value;
|
|
UINT32 size;
|
|
result = Tspi_TPM_CollateIdentityRequest(htpm, hkey_srk, hkey_acak, label_ik_size, label_ik_value, hkey_ik, TSS_ALG_AES, &size, &value);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Collate identity Request", result);
|
|
|
|
//Copy memory because TSS uses malloc and free, but we're using new and delete
|
|
output_size = size;
|
|
output_value = new unsigned char[size];
|
|
for(unsigned long i = 0; i < size; i++)
|
|
{
|
|
output_value[i] = value[i];
|
|
}
|
|
|
|
//clean up the TSS data -- CANNOT DO THIS; TSS MEMORY LEAK?
|
|
//result = Tspi_Context_FreeMemory(hcontext, value);
|
|
//if(result != TSS_SUCCESS) throw libhis_exception("Cleanup identity request", result);
|
|
|
|
//Unwrap the newly generated IK
|
|
result = Tspi_Key_LoadKey(hkey_ik, hkey_srk);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Unwrap IK", result);
|
|
|
|
//Set up the IK UUID
|
|
hextouuid(uuid_ik_value, uuid_ik);
|
|
|
|
try
|
|
{
|
|
//save ik
|
|
result = Tspi_Context_RegisterKey(hcontext, hkey_ik, TSS_PS_TYPE_SYSTEM, uuid_ik, TSS_PS_TYPE_SYSTEM, uuid_srk);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Save IK By UUID", result);
|
|
}
|
|
catch(libhis_exception &e)
|
|
{
|
|
if(uuid_overwrite)
|
|
{
|
|
//Unregister the existing key
|
|
result = Tspi_Context_UnregisterKey(hcontext, TSS_PS_TYPE_SYSTEM, uuid_ik, &hkey_unregister);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Unregister slot", result);
|
|
|
|
//Register a new key
|
|
result = Tspi_Context_RegisterKey(hcontext, hkey_ik, TSS_PS_TYPE_SYSTEM, uuid_ik, TSS_PS_TYPE_SYSTEM, uuid_srk);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Resave IK By UUID", result);
|
|
}
|
|
else throw e;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
~libhis_collateidentityrequest()
|
|
{
|
|
//clean up ACAK
|
|
result = Tspi_Context_CloseObject(hcontext, hkey_acak);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Close ACAK", result);
|
|
|
|
//clean up IK policy
|
|
result = Tspi_Context_CloseObject(hcontext, hpolicy_ik);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Close IK Policy", result);
|
|
|
|
if(binitialized)
|
|
{
|
|
//clean up IK
|
|
result = Tspi_Context_CloseObject(hcontext, hkey_ik);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Close IK", result);
|
|
}
|
|
|
|
//clean up SRK policy
|
|
result = Tspi_Context_CloseObject(hcontext, hpolicy_srk);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Close SRK Policy", result);
|
|
|
|
//clean up TPM policy
|
|
result = Tspi_Context_CloseObject(hcontext, hpolicy_tpm);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Close TPM Policy", result);
|
|
|
|
//clean up SRK object
|
|
result = Tspi_Context_CloseObject(hcontext, hkey_srk);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Close SRK", result);
|
|
|
|
//close context
|
|
result = Tspi_Context_Close(hcontext);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Close Context", result);
|
|
}
|
|
private:
|
|
TSS_RESULT result;
|
|
TSS_HCONTEXT hcontext;
|
|
TSS_HTPM htpm;
|
|
TSS_HKEY hkey_srk,
|
|
hkey_ik,
|
|
hkey_acak,
|
|
hkey_unregister;
|
|
TSS_HPOLICY hpolicy_tpm,
|
|
hpolicy_srk,
|
|
hpolicy_ik;
|
|
TSS_UUID uuid_ik;
|
|
UINT32 init_ik,
|
|
init_ik_size,
|
|
init_ik_type,
|
|
init_ik_authorized,
|
|
init_ik_migratable,
|
|
init_ik_volatile;
|
|
bool binitialized;
|
|
};
|
|
|
|
#endif
|