diff --git a/test/torch_npu_schema.json b/test/torch_npu_schema.json
index 44b695d355e0a0d5a8d9e0b8ae1d162ea5b78793..47688abd281d021add50989c338d3e70613b0d85 100644
--- a/test/torch_npu_schema.json
+++ b/test/torch_npu_schema.json
@@ -1268,6 +1268,15 @@
   "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)"
   },
@@ -1667,6 +1676,15 @@
   "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.stress_detect": {
     "signature": "(detect_type='aic')"
   },
diff --git a/torch_npu/npu/__init__.py b/torch_npu/npu/__init__.py
index 682d13f6df8b9c6af350bfb9dc65eff0e0c8617e..b00e1b14fd1454868b2c36ec2b63023d5a643d60 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, List, cast, Optional
@@ -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, set_device, current_device, _get_device_index,
+from .utils import (obfuscation_initialize, obfuscation_calculate, obfuscation_finalize, 
+                    synchronize, set_device, current_device, _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,
                     finalize_dump, set_dump, get_npu_overflow_flag, clear_npu_overflow_flag,
diff --git a/torch_npu/npu/utils.py b/torch_npu/npu/utils.py
index 3e2fe1d929f2223d7a441ab7ec96b2b859f24874..4c2c04d17b69dc9eb5428f0e760642d8d31752bc 100644
--- a/torch_npu/npu/utils.py
+++ b/torch_npu/npu/utils.py
@@ -13,13 +13,27 @@ from torch_npu.utils._error_code import ErrCode, pta_error, _except_handler
 from torch_npu.npu._backends import get_soc_version
 
 
-__all__ = ["synchronize", "set_device", "current_device", "device", "device_of", "StreamContext",
+__all__ = ["obfuscation_initialize", "obfuscation_finalize", "obfuscation_calculate",
+           "synchronize", "set_device", "current_device", "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",
            "get_npu_overflow_flag", "npu_check_overflow", "clear_npu_overflow_flag", "current_blas_handle",
            "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: