mirror of
https://github.com/nsacyber/HIRS.git
synced 2024-12-18 20:47:58 +00:00
318 lines
10 KiB
C++
318 lines
10 KiB
C++
#ifndef libhis_createkey_hpp
|
|
#define libhis_createkey_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_createkey
|
|
{
|
|
public:
|
|
libhis_createkey()
|
|
{
|
|
//set default values
|
|
init_key_size = TSS_KEY_SIZE_DEFAULT;
|
|
init_key_type = TSS_KEY_TYPE_DEFAULT;
|
|
init_key_authorized = TSS_KEY_AUTHORIZATION;
|
|
init_key_migratable = TSS_KEY_NOT_MIGRATABLE;
|
|
init_key_volatile = TSS_KEY_VOLATILE;
|
|
init_key_scheme = 0;
|
|
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 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 key policy
|
|
result = Tspi_Context_CreateObject(hcontext, TSS_OBJECT_TYPE_POLICY, TSS_POLICY_USAGE, &hpolicy_key);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Create key Policy", result);
|
|
}
|
|
|
|
void initsign(unsigned int in_size, unsigned int in_scheme)
|
|
{
|
|
//set the type
|
|
init_key_type = TSS_KEY_TYPE_SIGNING;
|
|
|
|
//set the key size
|
|
if(in_size == 0)
|
|
init_key_size = TSS_KEY_SIZE_DEFAULT;
|
|
else if(in_size == 512)
|
|
init_key_size = TSS_KEY_SIZE_512;
|
|
else if(in_size == 1024)
|
|
init_key_size = TSS_KEY_SIZE_1024;
|
|
else if(in_size == 2048)
|
|
init_key_size = TSS_KEY_SIZE_2048;
|
|
else if(in_size == 4096)
|
|
init_key_size = TSS_KEY_SIZE_4096;
|
|
else if(in_size == 8192)
|
|
init_key_size = TSS_KEY_SIZE_8192;
|
|
else if(in_size == 16384)
|
|
init_key_size = TSS_KEY_SIZE_16384;
|
|
else throw libhis_exception("Invalid key size", 400);
|
|
|
|
//set the signature scheme
|
|
if(in_scheme == 0)
|
|
init_key_scheme = TSS_SS_RSASSAPKCS1V15_SHA1;
|
|
else if(in_scheme == 1)
|
|
init_key_scheme = TSS_SS_RSASSAPKCS1V15_DER;
|
|
else
|
|
init_key_scheme = TSS_SS_NONE;
|
|
|
|
//combine the init flags
|
|
init_key = init_key_size | init_key_type | init_key_authorized | init_key_migratable | init_key_volatile;
|
|
|
|
//Create key object
|
|
result = Tspi_Context_CreateObject(hcontext, TSS_OBJECT_TYPE_RSAKEY, init_key, &hkey_key);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Create key", result);
|
|
|
|
//Set the signature scheme
|
|
result = Tspi_SetAttribUint32(hkey_key, TSS_TSPATTRIB_KEY_INFO, TSS_TSPATTRIB_KEYINFO_SIGSCHEME, init_key_scheme);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Set signature scheme", result);
|
|
|
|
binitialized = true;
|
|
}
|
|
|
|
void initbind(unsigned int in_size, unsigned int in_scheme)
|
|
{
|
|
//set the type
|
|
init_key_type = TSS_KEY_TYPE_BIND;
|
|
|
|
//set the key size
|
|
if(in_size == 0)
|
|
init_key_size = TSS_KEY_SIZE_DEFAULT;
|
|
else if(in_size == 512)
|
|
init_key_size = TSS_KEY_SIZE_512;
|
|
else if(in_size == 1024)
|
|
init_key_size = TSS_KEY_SIZE_1024;
|
|
else if(in_size == 2048)
|
|
init_key_size = TSS_KEY_SIZE_2048;
|
|
else if(in_size == 4096)
|
|
init_key_size = TSS_KEY_SIZE_4096;
|
|
else if(in_size == 8192)
|
|
init_key_size = TSS_KEY_SIZE_8192;
|
|
else if(in_size == 16384)
|
|
init_key_size = TSS_KEY_SIZE_16384;
|
|
else throw libhis_exception("Invalid key size", 400);
|
|
|
|
//set the encryption scheme
|
|
if(in_scheme == 0)
|
|
init_key_scheme = TSS_ES_RSAESPKCSV15;
|
|
else if(in_scheme == 1)
|
|
init_key_scheme = TSS_ES_RSAESOAEP_SHA1_MGF1;
|
|
else if(in_scheme == 2)
|
|
init_key_scheme = TSS_ES_SYM_CNT;
|
|
else if(in_scheme == 3)
|
|
init_key_scheme = TSS_ES_SYM_OFB;
|
|
else if(in_scheme == 4)
|
|
init_key_scheme = TSS_ES_SYM_CBC_PKCS5PAD;
|
|
else
|
|
init_key_scheme = TSS_ES_NONE;
|
|
|
|
//combine the init flags
|
|
init_key = init_key_size | init_key_type | init_key_authorized | init_key_migratable | init_key_volatile;
|
|
|
|
//Create key object
|
|
result = Tspi_Context_CreateObject(hcontext, TSS_OBJECT_TYPE_RSAKEY, init_key, &hkey_key);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Create key", result);
|
|
|
|
//Set the encryption scheme
|
|
result = Tspi_SetAttribUint32(hkey_key, TSS_TSPATTRIB_KEY_INFO, TSS_TSPATTRIB_KEYINFO_ENCSCHEME, init_key_scheme);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Set encryption scheme", result);
|
|
|
|
binitialized = true;
|
|
}
|
|
|
|
void initstorage(unsigned int in_size, unsigned int in_location)
|
|
{
|
|
//set the type
|
|
init_key_type = TSS_KEY_TYPE_STORAGE;
|
|
|
|
//set the key size
|
|
if(in_size == 0)
|
|
init_key_size = TSS_KEY_SIZE_DEFAULT;
|
|
else if(in_size == 512)
|
|
init_key_size = TSS_KEY_SIZE_512;
|
|
else if(in_size == 1024)
|
|
init_key_size = TSS_KEY_SIZE_1024;
|
|
else if(in_size == 2048)
|
|
init_key_size = TSS_KEY_SIZE_2048;
|
|
else if(in_size == 4096)
|
|
init_key_size = TSS_KEY_SIZE_4096;
|
|
else if(in_size == 8192)
|
|
init_key_size = TSS_KEY_SIZE_8192;
|
|
else if(in_size == 16384)
|
|
init_key_size = TSS_KEY_SIZE_16384;
|
|
else throw libhis_exception("Invalid key size", 400);
|
|
|
|
//set the encryption scheme
|
|
if(in_location == 0)
|
|
init_key_location = TSS_PS_TYPE_SYSTEM;
|
|
else
|
|
init_key_location = TSS_PS_TYPE_USER;
|
|
|
|
//combine the init flags
|
|
init_key = init_key_size | init_key_type | init_key_authorized | init_key_migratable | init_key_volatile | init_key_location;
|
|
|
|
//Create key object
|
|
result = Tspi_Context_CreateObject(hcontext, TSS_OBJECT_TYPE_RSAKEY, init_key, &hkey_key);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Create key", result);
|
|
|
|
binitialized = true;
|
|
}
|
|
|
|
void createkey(
|
|
unsigned char *auth_srk_value,
|
|
unsigned long auth_srk_size,
|
|
bool auth_srk_sha1,
|
|
unsigned char *auth_key_value,
|
|
unsigned long auth_key_size,
|
|
bool auth_key_sha1,
|
|
unsigned char *uuid_key_value,
|
|
bool uuid_overwrite)
|
|
{
|
|
//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);
|
|
|
|
//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 key auth
|
|
if(auth_key_sha1)
|
|
{
|
|
result = Tspi_Policy_SetSecret(hpolicy_key, TSS_SECRET_MODE_SHA1, auth_key_size, auth_key_value);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Set key Secret SHA1", result);
|
|
}
|
|
else
|
|
{
|
|
result = Tspi_Policy_SetSecret(hpolicy_key, TSS_SECRET_MODE_PLAIN, auth_key_size, auth_key_value);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Set key Secret Plain", result);
|
|
}
|
|
|
|
//assign the key auth
|
|
result = Tspi_Policy_AssignToObject(hpolicy_key, hkey_key);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Assign key Secret", result);
|
|
|
|
//create the key
|
|
result = Tspi_Key_CreateKey(hkey_key, hkey_srk, 0);
|
|
|
|
//Unwrap the newly generated key
|
|
result = Tspi_Key_LoadKey(hkey_key, hkey_srk);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Unwrap key", result);
|
|
|
|
//Set up the key UUID
|
|
hextouuid(uuid_key_value, uuid_key);
|
|
|
|
try
|
|
{
|
|
//save key
|
|
result = Tspi_Context_RegisterKey(hcontext, hkey_key, TSS_PS_TYPE_SYSTEM, uuid_key, TSS_PS_TYPE_SYSTEM, uuid_srk);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Save key By UUID", result);
|
|
}
|
|
catch(libhis_exception &e)
|
|
{
|
|
if(uuid_overwrite)
|
|
{
|
|
//Unregister the existing key
|
|
result = Tspi_Context_UnregisterKey(hcontext, TSS_PS_TYPE_SYSTEM, uuid_key, &hkey_unregister);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Unregister slot", result);
|
|
|
|
//Register a new key
|
|
result = Tspi_Context_RegisterKey(hcontext, hkey_key, TSS_PS_TYPE_SYSTEM, uuid_key, TSS_PS_TYPE_SYSTEM, uuid_srk);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Resave key By UUID", result);
|
|
}
|
|
else throw e;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
~libhis_createkey()
|
|
{
|
|
//clean up key policy
|
|
result = Tspi_Context_CloseObject(hcontext, hpolicy_key);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Close key Policy", result);
|
|
|
|
if(binitialized)
|
|
{
|
|
//clean up key
|
|
result = Tspi_Context_CloseObject(hcontext, hkey_key);
|
|
if(result != TSS_SUCCESS) throw libhis_exception("Close key", 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 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_key,
|
|
hkey_unregister;
|
|
TSS_HPOLICY hpolicy_srk,
|
|
hpolicy_key;
|
|
TSS_UUID uuid_key;
|
|
UINT32 init_key,
|
|
init_key_size,
|
|
init_key_type,
|
|
init_key_authorized,
|
|
init_key_migratable,
|
|
init_key_volatile,
|
|
init_key_scheme,
|
|
init_key_location;
|
|
bool binitialized;
|
|
};
|
|
|
|
#endif
|