diff --git a/test/torch_npu_schema.json b/test/torch_npu_schema.json
index 603f723f8a5a2c64bb4e0415b906e3a8d3184cc6..f11c5872dc401f63927154f0c5541dee97724e90 100644
--- a/test/torch_npu_schema.json
+++ b/test/torch_npu_schema.json
@@ -1331,6 +1331,15 @@
   "torch_npu.npu.synchronize": {
     "signature": "(device=None)"
   },
+  "torch_npu.npu.obfuscation_initialize": {
+    "signature": "(hidden_size, tp_rank, cmd, *, data_type=None, model_obf_seed_id=0, data_obf_seed_id=0, thread_num=4, obf_coefficient=1.0)"
+  },
+  "torch_npu.npu.obfuscation_finalize": {
+    "signature": "(fd_to_close)"
+  },
+  "torch_npu.npu.obfuscation_calculate": {
+    "signature": "(fd, x, param, *, obf_coefficient=1.0)"
+  },
   "torch_npu.npu.utilization": {
     "signature": "(device=None)"
   },
@@ -1730,6 +1739,15 @@
   "torch_npu.npu.utils.synchronize": {
     "signature": "(device=None)"
   },
+  "torch_npu.npu.utils.obfuscation_initialize": {
+    "signature": "(hidden_size, tp_rank, cmd, *, data_type=None, model_obf_seed_id=0, data_obf_seed_id=0, thread_num=4, obf_coefficient=1.0)"
+  },
+  "torch_npu.npu.utils.obfuscation_finalize": {
+    "signature": "(fd_to_close)"
+  },
+  "torch_npu.npu.utils.obfuscation_calculate": {
+    "signature": "(fd, x, param, *, obf_coefficient=1.0)"
+  },
   "torch_npu.npu.utils.utilization": {
     "signature": "(device=None)"
   },
diff --git a/torch_npu/npu/__init__.py b/torch_npu/npu/__init__.py
index 957ad7e7c8b16674d68693825b5846f7e318138e..6d1d51b5b6a1daf9bfd28f577dabea9860d0d6fa 100644
--- a/torch_npu/npu/__init__.py
+++ b/torch_npu/npu/__init__.py
@@ -120,7 +120,10 @@ __all__ = [
     "get_device_limit",
     "set_stream_limit",
     "reset_stream_limit",
-    "get_stream_limit"
+    "get_stream_limit",
+    "obfuscation_initialize",
+    "obfuscation_finalize",
+    "obfuscation_calculate"
 ]
 
 from typing import Tuple, Union
@@ -135,7 +138,8 @@ from torch_npu.utils import _should_print_warning
 
 import torch_npu
 from torch_npu.utils._error_code import ErrCode, pta_error, prof_error
-from .utils import (synchronize, device_count, can_device_access_peer, set_device, current_device, get_device_name,
+from .utils import (obfuscation_initialize, obfuscation_calculate, obfuscation_finalize,
+                    synchronize, device_count, can_device_access_peer, set_device, current_device, get_device_name,
                     get_device_properties, get_device_capability, _get_device_index, 
                     device, device_of, StreamContext, stream, set_stream, current_stream, default_stream, set_sync_debug_mode,
                     get_sync_debug_mode, init_dump, current_blas_handle, is_bf16_supported,
diff --git a/torch_npu/npu/utils.py b/torch_npu/npu/utils.py
index 1fa5d3848ff9eb92a5cfded983541cf845a9af6d..588ccfff866bfd2b4b2f0608f95c96fe5feb9f77 100644
--- a/torch_npu/npu/utils.py
+++ b/torch_npu/npu/utils.py
@@ -14,7 +14,8 @@ from torch_npu.utils._error_code import ErrCode, pta_error, _except_handler
 from torch_npu.npu._backends import get_soc_version
 
 
-__all__ = ["synchronize", "device_count", "can_device_access_peer", "set_device", "current_device", "get_device_name",
+__all__ = ["obfuscation_initialize", "obfuscation_finalize", "obfuscation_calculate",
+           "synchronize", "device_count", "can_device_access_peer", "set_device", "current_device", "get_device_name",
            "get_device_properties", "mem_get_info", "get_device_capability", "utilization", "device", "device_of", "StreamContext",
            "stream", "set_stream", "current_stream", "default_stream", "set_sync_debug_mode", "get_sync_debug_mode",
            "init_dump", "set_dump", "finalize_dump", "is_support_inf_nan", "is_bf16_supported",
@@ -22,6 +23,19 @@ __all__ = ["synchronize", "device_count", "can_device_access_peer", "set_device"
            "check_uce_in_memory", "stress_detect", "get_cann_version"]
 
 
+def obfuscation_initialize(hidden_size, tp_rank, cmd, *, data_type=None, model_obf_seed_id=0, data_obf_seed_id=0, thread_num=4, obf_coefficient=1.0):
+    return torch_npu.obfuscation_initialize(hidden_size, tp_rank, cmd, data_type=data_type, model_obf_seed_id=model_obf_seed_id, 
+                                            data_obf_seed_id=data_obf_seed_id, thread_num=thread_num, obf_coefficient=obf_coefficient)
+
+
+def obfuscation_finalize(fd_to_close):
+    return torch_npu.obfuscation_finalize(fd_to_close)
+
+
+def obfuscation_calculate(fd, x, param, *, obf_coefficient=1.0):
+    return torch_npu.obfuscation_calculate(fd, x, param, obf_coefficient=obf_coefficient)
+
+
 def get_cann_version(module="CANN"):
     r"""
     Args: