Esempi in C++ (Cpp) per utee_cryp_derive_key

Esempio n. 1

File: tee_api_operations.c Progetto: diamond001/optee_os

void TEE_DeriveKey(TEE_OperationHandle operation,
		   const TEE_Attribute *params, uint32_t paramCount,
		   TEE_ObjectHandle derivedKey)
{
	TEE_Result res;
	TEE_ObjectInfo key_info;

	if (operation == TEE_HANDLE_NULL || derivedKey == 0)
		TEE_Panic(0);
	if (paramCount != 0 && params == NULL)
		TEE_Panic(0);

	if (operation->info.algorithm != TEE_ALG_DH_DERIVE_SHARED_SECRET)
		TEE_Panic(0);

	if (operation->info.operationClass != TEE_OPERATION_KEY_DERIVATION)
		TEE_Panic(0);
	if (operation->info.mode != TEE_MODE_DERIVE)
		TEE_Panic(0);
	if ((operation->info.handleState & TEE_HANDLE_FLAG_KEY_SET) == 0)
		TEE_Panic(0);

	res = utee_cryp_obj_get_info((uint32_t) derivedKey, &key_info);
	if (res != TEE_SUCCESS)
		TEE_Panic(0);

	if (key_info.objectType != TEE_TYPE_GENERIC_SECRET)
		TEE_Panic(0);
	if ((key_info.handleFlags & TEE_HANDLE_FLAG_INITIALIZED) != 0)
		TEE_Panic(0);

	if ((operation->info.algorithm == TEE_ALG_DH_DERIVE_SHARED_SECRET) &&
	    (paramCount != 1 ||
	     params[0].attributeID != TEE_ATTR_DH_PUBLIC_VALUE))
		TEE_Panic(0);

	res = utee_cryp_derive_key(operation->state, params, paramCount,
				   (uint32_t) derivedKey);
	if (res != TEE_SUCCESS)
		TEE_Panic(res);
}

Esempio n. 2

File: tee_api_operations.c Progetto: AIdrifter/optee_os

void TEE_DeriveKey(TEE_OperationHandle operation,
		   const TEE_Attribute *params, uint32_t paramCount,
		   TEE_ObjectHandle derivedKey)
{
	TEE_Result res;
	TEE_ObjectInfo key_info;
	struct utee_attribute ua[paramCount];

	if (operation == TEE_HANDLE_NULL || derivedKey == 0)
		TEE_Panic(0);
	if (params == NULL && paramCount != 0)
		TEE_Panic(0);
	if (TEE_ALG_GET_CLASS(operation->info.algorithm) !=
	    TEE_OPERATION_KEY_DERIVATION)
		TEE_Panic(0);

	if (operation->info.operationClass != TEE_OPERATION_KEY_DERIVATION)
		TEE_Panic(0);
	if (!operation->key1)
		TEE_Panic(0);
	if (operation->info.mode != TEE_MODE_DERIVE)
		TEE_Panic(0);
	if ((operation->info.handleState & TEE_HANDLE_FLAG_KEY_SET) == 0)
		TEE_Panic(0);

	res = utee_cryp_obj_get_info((unsigned long)derivedKey, &key_info);
	if (res != TEE_SUCCESS)
		TEE_Panic(0);

	if (key_info.objectType != TEE_TYPE_GENERIC_SECRET)
		TEE_Panic(0);
	if ((key_info.handleFlags & TEE_HANDLE_FLAG_INITIALIZED) != 0)
		TEE_Panic(0);

	__utee_from_attr(ua, params, paramCount);
	res = utee_cryp_derive_key(operation->state, ua, paramCount,
				   (unsigned long)derivedKey);
	if (res != TEE_SUCCESS)
		TEE_Panic(res);
}