diff --git a/common/include/dm_constants.h b/common/include/dm_constants.h
new file mode 100644
index 00000000..cd7403f4
--- /dev/null
+++ b/common/include/dm_constants.h
@@ -0,0 +1,179 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DM_CONSTANTS_H
+#define OHOS_DM_CONSTANTS_H
+
+#include <cstdint>
+#include <string>
+
+namespace OHOS {
+namespace DistributedHardware {
+const std::string DM_PKG_NAME = "ohos.distributedhardware.devicemanager";
+const std::string DM_SESSION_NAME = "ohos.distributedhardware.devicemanager.resident";
+
+const std::string DISCOVER_STATUS_KEY = "persist.distributed_hardware.device_manager.discover_status";
+const std::string DISCOVER_STATUS_ON = "1";
+const std::string DISCOVER_STATUS_OFF = "0";
+const std::string AUTH_LOAD_JSON_KEY = "devicemanager_auth_components";
+const std::string ADAPTER_LOAD_JSON_KEY = "devicemanager_adapter_components";
+const std::string AUTH_JSON_TYPE_KEY = "AUTHENTICATE";
+const std::string CPYPTO_JSON_TYPE_KEY = "CPYPTO";
+const std::string PROFILE_JSON_TYPE_KEY = "PROFILE";
+const std::string DECISION_JSON_TYPE_KEY = "DECISION";
+
+const int32_t DM_NAPI_SUBSCRIBE_CAPABILITY_DDMP = 0;
+const int32_t DM_NAPI_SUBSCRIBE_CAPABILITY_OSD = 1;
+const int32_t LOG_MAX_LEN = 512;
+const int32_t MIN_PIN_TOKEN = 10000000;
+const int32_t MAX_PIN_TOKEN = 90000000;
+const int32_t MIN_PIN_CODE = 100000;
+const int32_t MAX_PIN_CODE = 999999;
+const int32_t DISCOVER_STATUS_LEN = 20;
+const int32_t COMMON_CALLBACK_MAX_SIZE = 200;
+// const int32_t TOKEN_LEN = 9;
+
+enum {
+    DM_OK = 0,
+    DM_FAILED = 1000,
+    DM_TIME_OUT,
+    DM_NOT_INIT,
+    DM_INT_MULTIPLE,
+    DM_INIT_FAILED,
+    DM_UNINIT_FAILED,
+    DM_POINT_NULL,
+    DM_INPUT_PARA_EMPTY,
+    DM_NOT_SYSTEM_APP,
+    DM_INVALID_VALUE,
+    DM_FLATTEN_OBJECT,
+    DM_MALLOC_ERROR,
+    DM_COPY_FAILED,
+    DM_WRITE_FAILED,
+    DM_DISCOVERY_FAILED,
+    DM_MAKE_SHARED_FAIL,
+    DM_SERVICE_NOT_READY,
+    DM_DEVICE_ALREADY_TRUSTED,
+    DM_IPC_FAILED = 2000,
+    DM_IPC_TRANSACTION_FAILED,
+    DM_IPC_FLATTEN_OBJECT,
+    DM_IPC_COPY_FAILED,
+    DM_IPC_SEND_REQUEST_FAILED,
+    DM_IPC_NOT_REGISTER_FUNC,
+    DM_IPC_RESPOND_ERROR,
+    DM_DISCOVERY_REPEATED,
+    DM_AUTH_NOT_SUPPORT,
+    DM_AUTH_BUSINESS_BUSY,
+    DM_AUTH_INPUT_FAILED,
+    DM_AUTH_STATE_FAILED,
+    DM_AUTH_DEVICE_AUTHED,
+    DM_AUTH_OPEN_SESSION_FAILED,
+    DM_AUTH_PEER_REJECT,
+    DM_AUTH_NOT_AUTH,
+    DM_SOFTBUS_FAILED = 3000,
+    DM_SOFTBUS_CREATE_SESSION_SERVER_FAILED,
+    DM_HICHAIN_FAILED = 4000,
+    DM_HICHAIN_GROUP_CREATE_FAILED,
+    DM_HICHAIN_MEMBER_ADD_FAILED,
+    DM_HICHAIN_CREATE_CHANNEL_FAILED,
+};
+const std::string TARGET_PKG_NAME_KEY = "targetPkgName";
+const std::string HOST_PKG_NAME_KEY = "hostPackageName";
+const std::string TAG_REQUESTER = "REQUESTER";
+const std::string TAG_TOKEN = "TOKEN";
+const std::string TAG_HOST = "HOST";
+const std::string TAG_TARGET = "TARGET";
+const std::string TAG_VISIBILITY = "VISIBILITY";
+const std::string TAG_GROUPIDS = "GROUPIDLIST";
+const std::string TAG_REPLY = "REPLY";
+const std::string TAG_NET_ID = "NETID";
+const std::string TAG_GROUP_ID = "groupId";
+const std::string TAG_GROUP_NAME = "GROUPNAME";
+const std::string TAG_REQUEST_ID = "REQUESTID";
+const std::string TAG_DEVICE_ID = "DEVICEID";
+const std::string TAG_LOCAL_DEVICE_ID = "LOCALDEVICEID";
+const std::string TAG_DEVICE_TYPE = "DEVICETYPE";
+const std::string TAG_APP_NAME = "APPNAME";
+const std::string TAG_APP_DESCRIPTION = "APPDESC";
+const std::string TAG_APP_ICON = "APPICON";
+const std::string TAG_APP_THUMBNAIL = "APPTHUM";
+const std::string TAG_INDEX = "INDEX";
+const std::string TAG_SLICE_NUM = "SLICE";
+const std::string TAG_THUMBNAIL_SIZE = "THUMSIZE";
+const std::string TAG_AUTH_TYPE = "AUTHTYPE";
+const std::string TAG_CRYPTO_SUPPORT = "CRYPTOSUPPORT";
+const std::string TAG_CRYPTO_NAME = "CRYPTONAME";
+const std::string TAG_CRYPTO_VERSION = "CRYPTOVERSION";
+const std::string TAG_VER = "ITF_VER";
+const std::string TAG_TYPE = "MSG_TYPE";
+const std::string DM_ITF_VER_1_0 = "1.0";
+const std::string DM_ITF_VER = "1.1";
+const std::string TAG = "DM_MSG_CODEC";
+const std::string APP_NAME_KEY = "appName";
+const std::string APP_DESCRIPTION_KEY = "appDescription";
+const std::string APP_ICON_KEY = "appIcon";
+const std::string APP_THUMBNAIL_KEY = "appThumbnailKey";
+const std::string APP_THUMBNAIL_LEN = "appThumbnailLen";
+const std::string APP_THUMBNAIL = "appThumbnail";
+const std::string CANCEL_DISPLAY_KEY = "cancelPinCodeDisplay";
+const int32_t MSG_MAX_SIZE = 45 * 1024;
+const int32_t AUTH_REPLY_ACCEPT = 0;
+const int32_t ENCRYPT_TAG_LEN = 32;
+
+// pin
+const int32_t DISPLAY_OWNER_SYSTEM = 0;
+const int32_t DISPLAY_OWNER_OTHER = 1;
+const int32_t BUSINESS_FA_MIRGRATION = 0;
+const int32_t BUSINESS_RESOURCE_ACCESS = 1;
+
+// json
+const std::string AUTH_TYPE = "authType";
+const std::string TOKEN = "token";
+const std::string PIN_TOKEN = "pinToken";
+const std::string PIN_CODE_KEY = "pinCode";
+const int32_t AUTH_TYPE_PIN = 1;
+const int32_t AUTH_TYPE_SCAN = 2;
+const int32_t AUTH_TYPE_TOUCH = 3;
+const int32_t DEFAULT_PIN_CODE = 0;
+const int32_t DEFAULT_PIN_TOKEN = 0;
+
+// Softbus
+const int32_t SOFTBUS_CHECK_INTERVAL = 100000; // 100ms
+const uint32_t SOFTBUS_SUBSCRIBE_ID_PREFIX_LEN = 16;
+const int32_t SOFTBUS_SUBSCRIBE_ID_MASK = 0x0000FFFF;
+const int32_t SOFTBUS_DISCOVER_DEVICE_INFO_MAX_SIZE = 20;
+const int32_t AUTH_SESSION_SIDE_SERVER = 0;
+const int32_t AUTH_SESSION_SIDE_CLIENT = 1;
+const static char *DM_CAPABILITY_OSD = "osdCapability";
+
+// HiChain
+const int32_t DEVICE_UUID_LENGTH = 65;
+const int32_t GROUP_TYPE_IDENTICAL_ACCOUNT_GROUP = 1;
+const int32_t GROUP_TYPE_PEER_TO_PEER_GROUP = 256;
+const int32_t GROUP_VISIBILITY_PUBLIC = -1;
+const int64_t MIN_REQUEST_ID = 1000000000;
+const int64_t MAX_REQUEST_ID = 9999999999;
+const int32_t FIELD_EXPIRE_TIME_VALUE = 7;
+const int32_t GROUP_VISIBILITY_IS_PUBLIC = -1;
+const int32_t GROUP_VISIBILITY_IS_PRIVATE = 0;
+const std::string DEVICE_ID = "DEVICE_ID";
+const std::string WIFI_IP = "WIFI_IP";
+const std::string WIFI_PORT = "WIFI_PORT";
+const std::string BR_MAC = "BR_MAC";
+const std::string BLE_MAC = "BLE_MAC";
+const std::string ETH_IP = "ETH_IP";
+const std::string ETH_PORT = "ETH_PORT";
+} // namespace DistributedHardware
+} // namespace OHOS
+#endif
diff --git a/common/include/ipc/model/ipc_get_dmfaparam_rsp.h b/common/include/ipc/model/ipc_get_dmfaparam_rsp.h
new file mode 100644
index 00000000..ed4b8958
--- /dev/null
+++ b/common/include/ipc/model/ipc_get_dmfaparam_rsp.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DEVICE_MANAGER_IPC_GET_DM_FA_PARAM_RSP_H
+#define OHOS_DEVICE_MANAGER_IPC_GET_DM_FA_PARAM_RSP_H
+
+#include "dm_device_info.h"
+#include "ipc_req.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+class IpcGetDmFaParamRsp : public IpcRsp {
+    DECLARE_IPC_MODEL(IpcGetDmFaParamRsp);
+
+public:
+    const DmAuthParam GetDmAuthParam() const
+    {
+        return dmFaParam_;
+    }
+
+    void SetDmAuthParam(const DmAuthParam &dmFaParam)
+    {
+        dmFaParam_ = dmFaParam;
+    }
+
+private:
+    DmAuthParam dmFaParam_;
+};
+} // namespace DistributedHardware
+} // namespace OHOS
+#endif // OHOS_DEVICE_MANAGER_IPC_GET_DM_FA_PARAM_RSP_H
\ No newline at end of file
diff --git a/common/include/ipc/model/ipc_get_info_by_network_req.h b/common/include/ipc/model/ipc_get_info_by_network_req.h
new file mode 100644
index 00000000..786b7d58
--- /dev/null
+++ b/common/include/ipc/model/ipc_get_info_by_network_req.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DEVICE_MANAGER_IPC_GET_INFO_BY_NETWORK_REQ_H
+#define OHOS_DEVICE_MANAGER_IPC_GET_INFO_BY_NETWORK_REQ_H
+
+#include "ipc_req.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+class IpcGetInfoByNetWorkReq : public IpcReq {
+    DECLARE_IPC_MODEL(IpcGetInfoByNetWorkReq);
+
+public:
+    const std::string GetNetWorkId() const
+    {
+        return netWorkId_;
+    }
+
+    void SetNetWorkId(const std::string &netWorkId)
+    {
+        netWorkId_ = netWorkId;
+    }
+
+private:
+    std::string netWorkId_;
+};
+} // namespace DistributedHardware
+} // namespace OHOS
+#endif // OHOS_DEVICE_MANAGER_IPC_GET_INFO_BY_NETWORK_REQ_H
\ No newline at end of file
diff --git a/common/include/ipc/model/ipc_get_info_by_network_rsp.h b/common/include/ipc/model/ipc_get_info_by_network_rsp.h
new file mode 100644
index 00000000..18dd12b4
--- /dev/null
+++ b/common/include/ipc/model/ipc_get_info_by_network_rsp.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DEVICE_MANAGER_IPC_GET_INFO_BY_NETWORK_RSP_H
+#define OHOS_DEVICE_MANAGER_IPC_GET_INFO_BY_NETWORK_RSP_H
+
+#include <string>
+
+#include "ipc_rsp.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+class IpcGetInfoByNetWorkRsp : public IpcRsp {
+    DECLARE_IPC_MODEL(IpcGetInfoByNetWorkRsp);
+
+public:
+    const std::string GetUdid() const
+    {
+        return udid_;
+    }
+
+    void SetUdid(const std::string &udid)
+    {
+        udid_ = udid;
+    }
+    const std::string GetUuid() const
+    {
+        return uuid_;
+    }
+
+    void SetUuid(const std::string &uuid)
+    {
+        uuid_ = uuid;
+    }
+
+private:
+    std::string udid_;
+    std::string uuid_;
+};
+} // namespace DistributedHardware
+} // namespace OHOS
+#endif // OHOS_DEVICE_MANAGER_IPC_GET_INFO_BY_NETWORK_RSP_H
\ No newline at end of file
diff --git a/common/include/ipc/model/ipc_get_local_device_info_rsp.h b/common/include/ipc/model/ipc_get_local_device_info_rsp.h
new file mode 100644
index 00000000..7494da0f
--- /dev/null
+++ b/common/include/ipc/model/ipc_get_local_device_info_rsp.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DM_IPC_GET_LOCAL_DEVICE_INFO_RSP_H
+#define OHOS_DM_IPC_GET_LOCAL_DEVICE_INFO_RSP_H
+
+#include "dm_device_info.h"
+#include "ipc_req.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+class IpcGetLocalDeviceInfoRsp : public IpcRsp {
+    DECLARE_IPC_MODEL(IpcGetLocalDeviceInfoRsp);
+
+public:
+    const DmDeviceInfo &GetLocalDeviceInfo() const
+    {
+        return localDeviceInfo_;
+    }
+
+    void SetLocalDeviceInfo(const DmDeviceInfo &localDeviceInfo)
+    {
+        localDeviceInfo_ = localDeviceInfo;
+    }
+
+private:
+    DmDeviceInfo localDeviceInfo_;
+};
+} // namespace DistributedHardware
+} // namespace OHOS
+#endif // OHOS_DM_IPC_GET_LOCAL_DEVICE_INFO_RSP_H
\ No newline at end of file
diff --git a/common/include/ipc/model/ipc_notify_verify_auth_result_req.h b/common/include/ipc/model/ipc_notify_verify_auth_result_req.h
new file mode 100644
index 00000000..df01942f
--- /dev/null
+++ b/common/include/ipc/model/ipc_notify_verify_auth_result_req.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DM_IPC_NOTIFY_CHECK_AUTH_RESULT_REQ_H
+#define OHOS_DM_IPC_NOTIFY_CHECK_AUTH_RESULT_REQ_H
+
+#include <cstdint>
+
+#include "ipc_req.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+class IpcNotifyVerifyAuthResultReq : public IpcReq {
+    DECLARE_IPC_MODEL(IpcNotifyVerifyAuthResultReq);
+
+public:
+    std::string GetDeviceId() const
+    {
+        return deviceId_;
+    }
+
+    void SetDeviceId(const std::string &deviceId)
+    {
+        deviceId_ = deviceId;
+    }
+
+    int32_t GetResult() const
+    {
+        return result_;
+    }
+
+    void SetResult(int32_t result)
+    {
+        result_ = result;
+    }
+
+    int32_t GetFlag() const
+    {
+        return flag_;
+    }
+
+    void SetFlag(int32_t flag)
+    {
+        flag_ = flag;
+    }
+
+private:
+    std::string deviceId_;
+    int32_t result_{0};
+    int32_t flag_{0};
+};
+} // namespace DistributedHardware
+} // namespace OHOS
+#endif // OHOS_DM_IPC_NOTIFY_CHECK_AUTH_RESULT_REQ_H
diff --git a/common/include/ipc/model/ipc_unauthenticate_device_req.h b/common/include/ipc/model/ipc_unauthenticate_device_req.h
new file mode 100644
index 00000000..78244377
--- /dev/null
+++ b/common/include/ipc/model/ipc_unauthenticate_device_req.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DM_IPC_UNAUTHENTICATE_DEVICE_REQ_H
+#define OHOS_DM_IPC_UNAUTHENTICATE_DEVICE_REQ_H
+
+#include "dm_device_info.h"
+#include "ipc_req.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+class IpcUnAuthenticateDeviceReq : public IpcReq {
+    DECLARE_IPC_MODEL(IpcUnAuthenticateDeviceReq);
+
+public:
+    const DmDeviceInfo &GetDeviceInfo() const
+    {
+        return deviceInfo_;
+    }
+
+    void SetDeviceInfo(const DmDeviceInfo &deviceInfo)
+    {
+        deviceInfo_ = deviceInfo;
+    }
+
+private:
+    DmDeviceInfo deviceInfo_;
+};
+} // namespace DistributedHardware
+} // namespace OHOS
+#endif // OHOS_DM_IPC_UNAUTHENTICATE_DEVICE_REQ_H
diff --git a/common/include/ipc/model/ipc_verify_authenticate_req.h b/common/include/ipc/model/ipc_verify_authenticate_req.h
new file mode 100644
index 00000000..3c2df554
--- /dev/null
+++ b/common/include/ipc/model/ipc_verify_authenticate_req.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DEVICE_MANAGER_IPC_VERIFY_AUTHENTICATE_REQ_H
+#define OHOS_DEVICE_MANAGER_IPC_VERIFY_AUTHENTICATE_REQ_H
+
+#include "ipc_req.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+class IpcVerifyAuthenticateReq : public IpcReq {
+    DECLARE_IPC_MODEL(IpcVerifyAuthenticateReq);
+
+public:
+    const std::string &GetAuthPara() const
+    {
+        return authPara_;
+    }
+
+    void SetAuthPara(const std::string &authPara)
+    {
+        authPara_ = authPara;
+    }
+
+private:
+    std::string authPara_;
+};
+} // namespace DistributedHardware
+} // namespace OHOS
+#endif // OHOS_DEVICE_MANAGER_IPC_VERIFY_AUTHENTICATE_REQ_H
diff --git a/ext/pin_auth/BUILD.gn b/ext/pin_auth/BUILD.gn
new file mode 100644
index 00000000..cc8cfcef
--- /dev/null
+++ b/ext/pin_auth/BUILD.gn
@@ -0,0 +1,67 @@
+# Copyright (C) 2021 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+if (defined(ohos_lite)) {
+  import("//build/lite/config/component/lite_component.gni")
+} else {
+  import("//build/ohos.gni")
+}
+
+import("//foundation/distributedhardware/devicemanager/devicemanager.gni")
+
+if (defined(ohos_lite)) {
+} else {
+  ohos_shared_library("devicemanagerext_pin_auth") {
+    include_dirs = [
+      "include",
+      "${common_path}/include",
+      "${services_path}/include/adapter",
+      "${ext_path}/pin_auth/include/ability",
+      "${services_path}/include/authentication",
+      "${utils_path}/include",
+    ]
+
+    sources = [
+      "src/ability/standard/dm_ability_manager.cpp",
+      "src/pin_auth.cpp",
+      "src/pin_auth_ui.cpp",
+    ]
+
+    deps = [
+      "${utils_path}:devicemanagerutils",
+      "//foundation/aafwk/standard/interfaces/innerkits/ability_manager:ability_manager",
+      "//foundation/aafwk/standard/interfaces/innerkits/want:want",
+      "//foundation/aafwk/standard/services/abilitymgr:abilityms",
+      "//utils/native/base:utils",
+    ]
+
+    external_deps = [
+      "appexecfwk_standard:appexecfwk_base",
+      "appexecfwk_standard:appexecfwk_core",
+      "hiviewdfx_hilog_native:libhilog",
+      "ipc:ipc_core",
+      "safwk:system_ability_fwk",
+      "startup_l2:syspara",
+    ]
+
+    defines = [
+      "HI_LOG_ENABLE",
+      "DH_LOG_TAG=\"devicemanagerext\"",
+      "LOG_DOMAIN=0xD004100",
+    ]
+
+    subsystem_name = "distributedhardware"
+
+    part_name = "device_manager_base"
+  }
+}
\ No newline at end of file
diff --git a/ext/pin_auth/include/ability/dm_ability_manager.h b/ext/pin_auth/include/ability/dm_ability_manager.h
new file mode 100644
index 00000000..225fefc6
--- /dev/null
+++ b/ext/pin_auth/include/ability/dm_ability_manager.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DM_ABILITY_MANAGER_H
+#define OHOS_DM_ABILITY_MANAGER_H
+
+#include <semaphore.h>
+
+#include <mutex>
+#include <string>
+#include <vector>
+
+namespace OHOS {
+namespace DistributedHardware {
+enum AbilityRole { ABILITY_ROLE_PASSIVE = 0, ABILITY_ROLE_INITIATIVE = 1, ABILITY_ROLE_UNKNOWN = 2 };
+
+enum AbilityStatus { ABILITY_STATUS_FAILED = 0, ABILITY_STATUS_SUCCESS = 1, ABILITY_STATUS_START = 2 };
+
+enum FaAction {
+    USER_OPERATION_TYPE_ALLOW_AUTH = 0,
+    USER_OPERATION_TYPE_CANCEL_AUTH = 1,
+    USER_OPERATION_TYPE_AUTH_CONFIRM_TIMEOUT = 2,
+    USER_OPERATION_TYPE_CANCEL_PINCODE_DISPLAY = 3,
+    USER_OPERATION_TYPE_CANCEL_PINCODE_INPUT = 4
+};
+
+class DmAbilityManager {
+public:
+    AbilityRole GetAbilityRole();
+    AbilityStatus StartAbility(AbilityRole role);
+    void StartAbilityDone();
+
+private:
+    void waitForTimeout(uint32_t timeout_s);
+
+private:
+    sem_t mSem_;
+    AbilityStatus mStatus_;
+    AbilityRole mAbilityStatus_;
+};
+} // namespace DistributedHardware
+} // namespace OHOS
+#endif // OHOS_DM_ABILITY_MANAGER_H
diff --git a/ext/pin_auth/include/pin_auth.h b/ext/pin_auth/include/pin_auth.h
new file mode 100644
index 00000000..2129c94a
--- /dev/null
+++ b/ext/pin_auth/include/pin_auth.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DM_PIN_AUTH_H
+#define OHOS_DM_PIN_AUTH_H
+
+#include <cstdint>
+#include <memory>
+
+#include "authentication.h"
+#include "dm_ability_manager.h"
+#include "pin_auth_ui.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+class PinAuth : public IAuthentication {
+public:
+    PinAuth();
+    ~PinAuth();
+    int32_t ShowAuthInfo() override;
+    int32_t StartAuth(std::shared_ptr<DmAbilityManager> dmAbilityManager) override;
+    int32_t VerifyAuthentication(std::string pinToken, int32_t code, const std::string &authParam) override;
+
+private:
+    int32_t times_ = 0;
+    std::shared_ptr<PinAuthUi> pinAuthUi_;
+};
+} // namespace DistributedHardware
+} // namespace OHOS
+#endif // OHOS_DM_PIN_AUTH_H
diff --git a/ext/pin_auth/include/pin_auth_ui.h b/ext/pin_auth/include/pin_auth_ui.h
new file mode 100644
index 00000000..f8910cba
--- /dev/null
+++ b/ext/pin_auth/include/pin_auth_ui.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DM_PIN_AUTH_UI_H
+#define OHOS_DM_PIN_AUTH_UI_H
+
+#include <cstdint>
+
+#include "dm_ability_manager.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+class PinAuthUi {
+public:
+    PinAuthUi();
+    int32_t ShowPinDialog();
+    int32_t InputPinDialog(std::shared_ptr<DmAbilityManager> dmAbilityManager);
+
+private:
+    int32_t StartFaUiService(std::shared_ptr<DmAbilityManager> dmAbilityManager);
+};
+} // namespace DistributedHardware
+} // namespace OHOS
+#endif // OHOS_DM_PIN_AUTH_UI_H
diff --git a/ext/pin_auth/src/ability/lite/dm_ability_manager.cpp b/ext/pin_auth/src/ability/lite/dm_ability_manager.cpp
new file mode 100644
index 00000000..45112330
--- /dev/null
+++ b/ext/pin_auth/src/ability/lite/dm_ability_manager.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "dm_ability_manager.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+AbilityRole DmAbilityManager::GetAbilityRole()
+{
+    return mAbilityStatus_;
+}
+
+AbilityStatus DmAbilityManager::StartAbility(AbilityRole role)
+{
+    // not support for L1 yet, do nothing. just save status and role
+    mAbilityStatus_ = role;
+    mStatus_ = AbilityStatus::ABILITY_STATUS_SUCCESS;
+    return mStatus_;
+}
+
+void DmAbilityManager::waitForTimeout(uint32_t timeout_s)
+{
+    struct timespec ts;
+    clock_gettime(CLOCK_REALTIME, &ts);
+    ts.tv_sec += timeout_s;
+    sem_timedwait(&mSem_, &ts);
+}
+
+void DmAbilityManager::StartAbilityDone()
+{
+    mStatus_ = AbilityStatus::ABILITY_STATUS_SUCCESS;
+    sem_post(&mSem_);
+}
+} // namespace DistributedHardware
+} // namespace OHOS
diff --git a/ext/pin_auth/src/ability/standard/dm_ability_manager.cpp b/ext/pin_auth/src/ability/standard/dm_ability_manager.cpp
new file mode 100644
index 00000000..e2b026f1
--- /dev/null
+++ b/ext/pin_auth/src/ability/standard/dm_ability_manager.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "dm_ability_manager.h"
+
+#include "ability_manager_client.h"
+#include "ability_manager_service.h"
+#include "ability_record.h"
+#include "dm_constants.h"
+#include "dm_log.h"
+#include "parameter.h"
+#include "semaphore.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+namespace {
+const int32_t ABILITY_START_TIMEOUT = 3; // 3 second
+const std::string bundleUiName = "com.ohos.devicemanagerui";
+const std::string abilityUiName = "com.ohos.devicemanagerui.MainAbility";
+} // namespace
+
+AbilityRole DmAbilityManager::GetAbilityRole()
+{
+    return mAbilityStatus_;
+}
+
+AbilityStatus DmAbilityManager::StartAbility(AbilityRole role)
+{
+    mAbilityStatus_ = role;
+    char localDeviceId[DEVICE_UUID_LENGTH] = {0};
+    GetDevUdid(localDeviceId, DEVICE_UUID_LENGTH);
+    std::string deviceId = localDeviceId;
+    mStatus_ = ABILITY_STATUS_START;
+    AAFwk::Want want;
+    AppExecFwk::ElementName element(deviceId, bundleUiName, abilityUiName);
+    want.SetElement(element);
+    AAFwk::AbilityManagerClient::GetInstance()->Connect();
+    ErrCode result = AAFwk::AbilityManagerClient::GetInstance()->StartAbility(want);
+    if (result != OHOS::ERR_OK) {
+        LOGE("Start Ability faild");
+        mStatus_ = ABILITY_STATUS_FAILED;
+        return mStatus_;
+    }
+    waitForTimeout(ABILITY_START_TIMEOUT);
+    return mStatus_;
+}
+
+void DmAbilityManager::waitForTimeout(uint32_t timeout_s)
+{
+    struct timespec ts;
+    clock_gettime(CLOCK_REALTIME, &ts);
+    ts.tv_sec += timeout_s;
+    sem_timedwait(&mSem_, &ts);
+}
+
+void DmAbilityManager::StartAbilityDone()
+{
+    mStatus_ = ABILITY_STATUS_SUCCESS;
+    sem_post(&mSem_);
+}
+} // namespace DistributedHardware
+} // namespace OHOS
diff --git a/ext/pin_auth/src/pin_auth.cpp b/ext/pin_auth/src/pin_auth.cpp
new file mode 100644
index 00000000..781a375f
--- /dev/null
+++ b/ext/pin_auth/src/pin_auth.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "pin_auth.h"
+
+#include <memory>
+
+#include "dm_constants.h"
+#include "dm_log.h"
+#include "nlohmann/json.hpp"
+
+namespace OHOS {
+namespace DistributedHardware {
+PinAuth::PinAuth()
+{
+    LOGI("PinAuth constructor");
+}
+
+PinAuth::~PinAuth()
+{
+}
+
+int32_t PinAuth::ShowAuthInfo()
+{
+    return pinAuthUi_->ShowPinDialog();
+}
+
+int32_t PinAuth::StartAuth(std::shared_ptr<DmAbilityManager> dmAbilityManager)
+{
+    times_ = 0;
+    return pinAuthUi_->InputPinDialog(dmAbilityManager);
+}
+
+int32_t PinAuth::VerifyAuthentication(std::string pinToken, int32_t code, const std::string &authParam)
+{
+    times_ += 1;
+    nlohmann::json jsonObject = nlohmann::json::parse(authParam, nullptr, false);
+    if (jsonObject.is_discarded()) {
+        LOGE("DecodeRequestAuth jsonStr error");
+        return DM_FAILED;
+    }
+    if (!jsonObject.contains(PIN_CODE_KEY) && !jsonObject.contains(PIN_TOKEN)) {
+        LOGE("err json string, first time");
+        return DM_FAILED;
+    }
+    int32_t inputPinCode = jsonObject[PIN_CODE_KEY];
+    int32_t inputPinToken = jsonObject[PIN_TOKEN];
+    if (code == inputPinCode && stoi(pinToken) == inputPinToken) {
+        return DM_OK;
+    } else if (code != inputPinCode && times_ < 3) {
+        return DM_AUTH_INPUT_FAILED;
+    } else {
+        return DM_FAILED;
+    }
+}
+
+extern "C" IAuthentication *CreatePinAuthObject(void)
+{
+    return new PinAuth;
+}
+} // namespace DistributedHardware
+} // namespace OHOS
diff --git a/ext/pin_auth/src/pin_auth_ui.cpp b/ext/pin_auth/src/pin_auth_ui.cpp
new file mode 100644
index 00000000..15dd767a
--- /dev/null
+++ b/ext/pin_auth/src/pin_auth_ui.cpp
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "pin_auth_ui.h"
+
+#include "dm_ability_manager.h"
+#include "dm_constants.h"
+#include "dm_log.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+
+PinAuthUi::PinAuthUi()
+{
+    LOGI("AuthUi constructor");
+}
+
+int32_t PinAuthUi::ShowPinDialog()
+{
+    return DM_OK;
+}
+
+int32_t PinAuthUi::InputPinDialog(std::shared_ptr<DmAbilityManager> dmAbilityManager)
+{
+    if (dmAbilityManager == nullptr) {
+        LOGE("PinAuthUi::dmAbilityManager is null");
+        return DM_FAILED;
+    }
+    return StartFaUiService(dmAbilityManager);
+}
+
+int32_t PinAuthUi::StartFaUiService(std::shared_ptr<DmAbilityManager> dmAbilityManager)
+{
+    AbilityStatus status = dmAbilityManager->StartAbility(AbilityRole::ABILITY_ROLE_INITIATIVE);
+    if (status != AbilityStatus::ABILITY_STATUS_SUCCESS) {
+        LOGE("PinAuthUi::StartFaService timeout");
+        return DM_FAILED;
+    }
+    return DM_OK;
+}
+} // namespace DistributedHardware
+} // namespace OHOS
diff --git a/ext/profile/BUILD.gn b/ext/profile/BUILD.gn
new file mode 100644
index 00000000..4ac238c3
--- /dev/null
+++ b/ext/profile/BUILD.gn
@@ -0,0 +1,75 @@
+# Copyright (C) 2021 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+if (defined(ohos_lite)) {
+  import("//build/lite/config/component/lite_component.gni")
+} else {
+  import("//build/ohos.gni")
+}
+
+import("//foundation/distributedhardware/devicemanager/devicemanager.gni")
+
+if (defined(ohos_lite)) {
+} else {
+  ohos_shared_library("devicemanagerext_profile") {
+    include_dirs = [
+      "include",
+      "${common_path}/include",
+      "${common_path}/include/ipc",
+      "${common_path}/include/ipc/model",
+      "${ext_path}/profile/include",
+      "${services_path}/include",
+      "${services_path}/include/adapter",
+      "${services_path}/include/dependency/softbus",
+      "${services_path}/include/ipc/standard",
+      "${services_path}/include/devicestate",
+      "${utils_path}/include",
+      "${utils_path}/include/ipc/standard",
+      "${innerkits_path}/native_cpp/include",
+      "${innerkits_path}/native_cpp/include/ipc",
+      "${innerkits_path}/native_cpp/include/ipc/standard",
+      "//foundation/communication/dsoftbus/interfaces/kits/bus_center",
+      "//foundation/communication/dsoftbus/interfaces/kits/common",
+      "//foundation/communication/dsoftbus/interfaces/kits/discovery",
+      "//foundation/communication/dsoftbus/interfaces/kits/transport",
+      "//foundation/communication/dsoftbus/interfaces/inner_kits/transport",
+    ]
+
+    sources = [
+      "src/device_profile_adapter.cpp",
+      "src/profile_connector.cpp",
+    ]
+
+    deps = [
+      "${services_path}:devicemanagerservice",
+      "${utils_path}:devicemanagerutils",
+      "//utils/native/base:utils",
+    ]
+
+    external_deps = [
+      "device_profile_core:distributed_device_profile_client",
+      "hiviewdfx_hilog_native:libhilog",
+      "ipc:ipc_core",
+    ]
+
+    defines = [
+      "HI_LOG_ENABLE",
+      "DH_LOG_TAG=\"devicemanagerext\"",
+      "LOG_DOMAIN=0xD004100",
+    ]
+
+    subsystem_name = "distributedhardware"
+
+    part_name = "device_manager_base"
+  }
+}
\ No newline at end of file
diff --git a/ext/profile/include/device_profile_adapter.h b/ext/profile/include/device_profile_adapter.h
new file mode 100644
index 00000000..d27b71fd
--- /dev/null
+++ b/ext/profile/include/device_profile_adapter.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DM_ADAPTER_DEVICE_PROFILE_H
+#define OHOS_DM_ADAPTER_DEVICE_PROFILE_H
+
+#include <cstdint>
+#include <string>
+
+#include "profile_adapter.h"
+#include "profile_connector.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+class DeviceProfileAdapter : public IProfileAdapter, public IProfileConnectorCallback {
+
+public:
+    DeviceProfileAdapter();
+    ~DeviceProfileAdapter();
+    int32_t RegisterProfileListener(const std::string &pkgName, const std::string &deviceId,
+                                    std::shared_ptr<DmDeviceStateManager> callback);
+    int32_t UnRegisterProfileListener(const std::string &pkgName);
+    int32_t OnProfileClientDeviceReady(const std::string &pkgName, const std::string &deviceId);
+    void OnProfileChanged(const std::string &pkgName, const std::string &deviceId);
+    void OnProfileComplete(const std::string &pkgName, const std::string &deviceId);
+
+private:
+    std::shared_ptr<DmDeviceStateManager> deviceProfileAdapterCallback_;
+    static std::shared_ptr<ProfileConnector> profileConnector_;
+};
+} // namespace DistributedHardware
+} // namespace OHOS
+#endif // OHOS_DM_ADAPTER_DEVICE_PROFILE_H
diff --git a/ext/profile/include/profile_connector.h b/ext/profile/include/profile_connector.h
new file mode 100644
index 00000000..d83f9074
--- /dev/null
+++ b/ext/profile/include/profile_connector.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DM_PROFILE_CONNECTOR_H
+#define OHOS_DM_PROFILE_CONNECTOR_H
+
+#include <cstdint>
+#include <map>
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "distributed_device_profile_client.h"
+#include "profile_connector_callback.h"
+#include "single_instance.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+using namespace OHOS::DeviceProfile;
+
+class ProfileEventCallback : public IProfileEventCallback {
+public:
+    void OnSyncCompleted(const SyncResult &syncResults);
+    int32_t RegisterProfileCallback(const std::string &pkgName, std::shared_ptr<IProfileConnectorCallback> callback);
+    int32_t UnRegisterProfileCallback(const std::string &pkgName);
+
+public:
+    static std::map<std::string, std::shared_ptr<IProfileConnectorCallback>> profileConnectorCallback_;
+};
+
+class ProfileConnector : public IProfileEventCallback {
+public:
+    int32_t RegisterProfileCallback(const std::string &pkgName, const std::string &deviceId,
+                                    std::shared_ptr<IProfileConnectorCallback> callback);
+    int32_t UnRegisterProfileCallback(const std::string &pkgName);
+    int32_t SubscribeProfileEvents(const std::list<std::string> &serviceIds, const std::string &deviceId);
+    int32_t UnSubscribeProfileEvents();
+
+private:
+    static std::shared_ptr<ProfileEventCallback> profileEventCallback_;
+};
+} // namespace DistributedHardware
+} // namespace OHOS
+#endif // OHOS_DM_PROFILE_CONNECTOR_H
\ No newline at end of file
diff --git a/ext/profile/include/profile_connector_callback.h b/ext/profile/include/profile_connector_callback.h
new file mode 100644
index 00000000..70738fbf
--- /dev/null
+++ b/ext/profile/include/profile_connector_callback.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DM_PROFILE_CONNECTOR_CALLBACK_H
+#define OHOS_DM_PROFILE_CONNECTOR_CALLBACK_H
+
+namespace OHOS {
+namespace DistributedHardware {
+class IProfileConnectorCallback {
+public:
+    virtual void OnProfileChanged(const std::string &pkgName, const std::string &deviceId) = 0;
+    virtual void OnProfileComplete(const std::string &pkgName, const std::string &deviceId) = 0;
+};
+} // namespace DistributedHardware
+} // namespace OHOS
+#endif // OHOS_DM_PROFILE_CONNECTOR_CALLBACK_H
\ No newline at end of file
diff --git a/ext/profile/src/device_profile_adapter.cpp b/ext/profile/src/device_profile_adapter.cpp
new file mode 100644
index 00000000..61d82e49
--- /dev/null
+++ b/ext/profile/src/device_profile_adapter.cpp
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "device_profile_adapter.h"
+
+#include "dm_constants.h"
+#include "dm_device_state_manager.h"
+#include "dm_log.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+std::shared_ptr<ProfileConnector> DeviceProfileAdapter::profileConnector_ = std::make_shared<ProfileConnector>();
+
+DeviceProfileAdapter::DeviceProfileAdapter()
+{
+}
+
+DeviceProfileAdapter::~DeviceProfileAdapter()
+{
+}
+
+int32_t DeviceProfileAdapter::RegisterProfileListener(const std::string &pkgName, const std::string &deviceId,
+                                                      std::shared_ptr<DmDeviceStateManager> callback)
+{
+    LOGI("DeviceProfileAdapter::RegisterProfileListener");
+    deviceProfileAdapterCallback_ = callback;
+    profileConnector_->RegisterProfileCallback(pkgName, deviceId, std::shared_ptr<DeviceProfileAdapter>(this));
+    return DM_OK;
+}
+
+int32_t DeviceProfileAdapter::UnRegisterProfileListener(const std::string &pkgName)
+{
+    LOGI("DeviceProfileAdapter::RegisterProfileListener");
+    deviceProfileAdapterCallback_ = nullptr;
+    profileConnector_->UnRegisterProfileCallback(pkgName);
+    return DM_OK;
+}
+
+int32_t DeviceProfileAdapter::OnProfileClientDeviceReady(const std::string &pkgName, const std::string &deviceId)
+{
+    LOGI("DeviceProfileAdapter::OnProfileClientDeviceReady");
+    if (nullptr != deviceProfileAdapterCallback_) {
+        deviceProfileAdapterCallback_->OnProfileReady(pkgName, deviceId);
+    } else {
+        LOGI("deviceProfileAdapterCallback_ is nullptr");
+    }
+    return DM_OK;
+}
+
+void DeviceProfileAdapter::OnProfileChanged(const std::string &pkgName, const std::string &deviceId)
+{
+    OnProfileClientDeviceReady(pkgName, deviceId);
+}
+
+void DeviceProfileAdapter::OnProfileComplete(const std::string &pkgName, const std::string &deviceId)
+{
+    OnProfileClientDeviceReady(pkgName, deviceId);
+}
+
+extern "C" IProfileAdapter *CreateDeviceProfileObject(void)
+{
+    return new DeviceProfileAdapter;
+}
+} // namespace DistributedHardware
+} // namespace OHOS
diff --git a/ext/profile/src/profile_connector.cpp b/ext/profile/src/profile_connector.cpp
new file mode 100644
index 00000000..a1a27106
--- /dev/null
+++ b/ext/profile/src/profile_connector.cpp
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "profile_connector.h"
+
+#include "dm_constants.h"
+#include "dm_log.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+
+std::map<std::string, std::shared_ptr<IProfileConnectorCallback>> ProfileEventCallback::profileConnectorCallback_ = {};
+std::shared_ptr<ProfileEventCallback> ProfileConnector::profileEventCallback_ =
+    std::make_shared<ProfileEventCallback>();
+
+int32_t ProfileConnector::RegisterProfileCallback(const std::string &pkgName, const std::string &deviceId,
+                                                  std::shared_ptr<IProfileConnectorCallback> callback)
+{
+    LOGI("ProfileConnector::RegisterProfileCallback");
+    profileEventCallback_->RegisterProfileCallback(pkgName, callback);
+    SubscribeProfileEvents({"system", "device", "fakeStorage", "fakeSystem"}, deviceId);
+    return DM_OK;
+}
+
+int32_t ProfileConnector::UnRegisterProfileCallback(const std::string &pkgName)
+{
+    LOGI("ProfileConnector::UnRegisterProfileCallback");
+    profileEventCallback_->UnRegisterProfileCallback(pkgName);
+    return DM_OK;
+}
+
+int32_t ProfileConnector::SubscribeProfileEvents(const std::list<std::string> &serviceIds, const std::string &deviceId)
+{
+    ExtraInfo extraInfo;
+    extraInfo["deviceId"] = deviceId;
+    extraInfo["serviceIds"] = serviceIds;
+
+    std::list<SubscribeInfo> subscribeInfos;
+
+    SubscribeInfo eventSync;
+    eventSync.profileEvent = ProfileEvent::EVENT_SYNC_COMPLETED;
+    subscribeInfos.emplace_back(eventSync);
+
+    std::list<ProfileEvent> failedEvents;
+    u_int32_t errCode;
+    errCode = DistributedDeviceProfileClient::GetInstance().SubscribeProfileEvents(subscribeInfos,
+                                                                                   profileEventCallback_, failedEvents);
+    LOGI("ProfileConnector::SubscribeProfileEvents result=%d", errCode);
+    return DM_OK;
+}
+
+int32_t ProfileConnector::UnSubscribeProfileEvents()
+{
+    std::list<ProfileEvent> profileEvents;
+    profileEvents.emplace_back(ProfileEvent::EVENT_PROFILE_CHANGED);
+    profileEvents.emplace_back(ProfileEvent::EVENT_SYNC_COMPLETED);
+    std::list<ProfileEvent> failedEvents;
+    u_int32_t errCode;
+    errCode = DistributedDeviceProfileClient::GetInstance().UnsubscribeProfileEvents(
+        profileEvents, profileEventCallback_, failedEvents);
+    LOGI("ProfileConnector::UnSubscribeProfileEvents result=%d", errCode);
+    return DM_OK;
+}
+
+int32_t ProfileEventCallback::RegisterProfileCallback(const std::string &pkgName,
+                                                      std::shared_ptr<IProfileConnectorCallback> callback)
+{
+    LOGI("ProfileEventCallback::RegisterProfileCallback");
+    profileConnectorCallback_.emplace(pkgName, callback);
+    return DM_OK;
+}
+
+int32_t ProfileEventCallback::UnRegisterProfileCallback(const std::string &pkgName)
+{
+    LOGI("ProfileEventCallback::UnRegisterProfileCallback");
+    profileConnectorCallback_.erase(pkgName);
+    return DM_OK;
+}
+
+void ProfileEventCallback::OnSyncCompleted(const SyncResult &syncResults)
+{
+    std::string deviceId;
+    u_int32_t SyncStatus;
+    for (auto &iterResult : syncResults) {
+        deviceId = iterResult.first;
+        SyncStatus = iterResult.second;
+    }
+    LOGI("ProfileEventCallback::OnSyncCompleted, deviceId = %s", deviceId.c_str());
+    for (auto &iter : profileConnectorCallback_) {
+        iter.second->OnProfileComplete(iter.first, deviceId);
+    }
+}
+} // namespace DistributedHardware
+} // namespace OHOS
\ No newline at end of file
diff --git a/utils/include/dm_anonymous.h b/utils/include/dm_anonymous.h
new file mode 100644
index 00000000..d8059e0b
--- /dev/null
+++ b/utils/include/dm_anonymous.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DM_ANONYMOUS_H
+#define OHOS_DM_ANONYMOUS_H
+
+#include <string>
+
+namespace OHOS {
+namespace DistributedHardware {
+std::string GetAnonyString(const std::string &value);
+std::string GetAnonyInt32(const int32_t value);
+} // namespace DistributedHardware
+} // namespace OHOS
+
+#endif // OHOS_DM_ANONYMOUS_H
\ No newline at end of file
diff --git a/utils/include/dm_log.h b/utils/include/dm_log.h
new file mode 100644
index 00000000..cd041592
--- /dev/null
+++ b/utils/include/dm_log.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DM_LOG_H
+#define OHOS_DM_LOG_H
+
+namespace OHOS {
+namespace DistributedHardware {
+
+typedef enum {
+    DM_LOG_DEBUG,
+    DM_LOG_INFO,
+    DM_LOG_WARN,
+    DM_LOG_ERROR,
+} DMLogLevel;
+
+void DMLog(DMLogLevel logLevel, const char *fmt, ...);
+
+#define LOGD(fmt, ...) \
+    DMLog(DM_LOG_DEBUG, (std::string("[") + DH_LOG_TAG + "][" + __FUNCTION__ + "]:" + fmt).c_str(), ##__VA_ARGS__)
+
+#define LOGI(fmt, ...) \
+    DMLog(DM_LOG_INFO, (std::string("[") + DH_LOG_TAG + "][" + __FUNCTION__ + "]:" + fmt).c_str(), ##__VA_ARGS__)
+
+#define LOGW(fmt, ...) \
+    DMLog(DM_LOG_WARN, (std::string("[") + DH_LOG_TAG + "][" + __FUNCTION__ + "]:" + fmt).c_str(), ##__VA_ARGS__)
+
+#define LOGE(fmt, ...) \
+    DMLog(DM_LOG_ERROR, (std::string("[") + DH_LOG_TAG + "][" + __FUNCTION__ + "]:" + fmt).c_str(), ##__VA_ARGS__)
+} // namespace DistributedHardware
+} // namespace OHOS
+#endif // OHOS_DM_LOG_H
diff --git a/utils/include/dm_random.h b/utils/include/dm_random.h
new file mode 100644
index 00000000..dcbe1ef1
--- /dev/null
+++ b/utils/include/dm_random.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DM_RANDOM_H
+#define OHOS_DM_RANDOM_H
+
+#include <string>
+
+namespace OHOS {
+namespace DistributedHardware {
+int32_t GenRandInt(int32_t randMin, int32_t randMax);
+int64_t GenRandLongLong(int64_t randMin, int64_t randMax);
+int32_t GetRandomData(uint8_t *randStr, uint32_t len);
+bool MbedtlsGenRandomStr(char *szOut, int32_t szOutLen, bool numberOnly);
+} // namespace DistributedHardware
+} // namespace OHOS
+
+#endif // OHOS_DM_RANDOM_H
diff --git a/utils/src/dm_anonymous.cpp b/utils/src/dm_anonymous.cpp
new file mode 100644
index 00000000..8d9a7be3
--- /dev/null
+++ b/utils/src/dm_anonymous.cpp
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "dm_anonymous.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+std::string GetAnonyString(const std::string &value)
+{
+    const int32_t INT32_SHORT_ID_LENGTH = 20;
+    const int32_t INT32_PLAINTEXT_LENGTH = 4;
+    const int32_t INT32_MIN_ID_LENGTH = 3;
+
+    std::string tmpStr("******");
+    int32_t strLen = value.length();
+    if (strLen < INT32_MIN_ID_LENGTH) {
+        return tmpStr;
+    }
+
+    std::string res;
+    if (strLen <= INT32_SHORT_ID_LENGTH) {
+        res += value[0];
+        res += tmpStr;
+        res += value[strLen - 1];
+    } else {
+        res.append(value, 0, INT32_PLAINTEXT_LENGTH);
+        res += tmpStr;
+        res.append(value, strLen - INT32_PLAINTEXT_LENGTH, INT32_PLAINTEXT_LENGTH);
+    }
+
+    return res;
+}
+
+std::string GetAnonyInt32(const int32_t value)
+{
+    std::string tempString = std::to_string(value);
+    int32_t length = tempString.length();
+    if (length == 0x01) {
+        tempString[0] = '*';
+        return tempString;
+    }
+
+    for (int32_t i = 1; i < length - 1; i++) {
+        tempString[i] = '*';
+    }
+    return tempString;
+}
+} // namespace DistributedHardware
+} // namespace OHOS
\ No newline at end of file
diff --git a/utils/src/dm_log.cpp b/utils/src/dm_log.cpp
new file mode 100644
index 00000000..2284eabd
--- /dev/null
+++ b/utils/src/dm_log.cpp
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "dm_log.h"
+
+#include "dm_constants.h"
+#include "securec.h"
+
+#ifdef HI_LOG_ENABLE
+#include "hilog/log.h"
+#else
+#include <cstdio>
+#endif
+
+namespace OHOS {
+namespace DistributedHardware {
+static void DMLogOut(DMLogLevel logLevel, const char *logBuf)
+{
+#ifdef HI_LOG_ENABLE
+    LogLevel hiLogLevel = LOG_INFO;
+    switch (logLevel) {
+        case DM_LOG_DEBUG:
+            hiLogLevel = LOG_DEBUG;
+            break;
+        case DM_LOG_INFO:
+            hiLogLevel = LOG_INFO;
+            break;
+        case DM_LOG_WARN:
+            hiLogLevel = LOG_WARN;
+            break;
+        case DM_LOG_ERROR:
+            hiLogLevel = LOG_ERROR;
+            break;
+        default:
+            break;
+    }
+    (void)HiLogPrint(LOG_CORE, hiLogLevel, LOG_DOMAIN, "", "%{public}s", logBuf);
+#else
+    switch (logLevel) {
+        case DM_LOG_DEBUG:
+            printf("[D]%s\n", logBuf);
+            break;
+        case DM_LOG_INFO:
+            printf("[I]%s\n", logBuf);
+            break;
+        case DM_LOG_WARN:
+            printf("[W]%s\n", logBuf);
+            break;
+        case DM_LOG_ERROR:
+            printf("[E]%s\n", logBuf);
+            break;
+        default:
+            break;
+    }
+#endif
+}
+
+void DMLog(DMLogLevel logLevel, const char *fmt, ...)
+{
+    char logBuf[LOG_MAX_LEN] = {0};
+    va_list arg;
+    int32_t ret = 0;
+
+    (void)memset_s(&arg, sizeof(va_list), 0, sizeof(va_list));
+    va_start(arg, fmt);
+    ret = vsprintf_s(logBuf, sizeof(logBuf), fmt, arg);
+    va_end(arg);
+    if (ret < 0) {
+        DMLogOut(logLevel, "DM log length error.");
+        return;
+    }
+    DMLogOut(logLevel, logBuf);
+}
+} // namespace DistributedHardware
+} // namespace OHOS
diff --git a/utils/src/dm_random.cpp b/utils/src/dm_random.cpp
new file mode 100644
index 00000000..129b0792
--- /dev/null
+++ b/utils/src/dm_random.cpp
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "dm_random.h"
+
+#include <random>
+
+#include "dm_constants.h"
+#include "mbedtls/base64.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/gcm.h"
+#include "mbedtls/md.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+int32_t GenRandInt(int32_t randMin, int32_t randMax)
+{
+    std::random_device randDevice;
+    std::mt19937 genRand(randDevice());
+    std::uniform_int_distribution<int> disRand(randMin, randMax);
+    return disRand(genRand);
+}
+
+int64_t GenRandLongLong(int64_t randMin, int64_t randMax)
+{
+    std::random_device randDevice;
+    std::mt19937 genRand(randDevice());
+    std::uniform_int_distribution<long long> disRand(randMin, randMax);
+    return disRand(genRand);
+}
+
+int32_t GetRandomData(uint8_t *randStr, uint32_t len)
+{
+    mbedtls_entropy_context *entropy = nullptr;
+    mbedtls_ctr_drbg_context *ctrDrbg = nullptr;
+    int32_t ret = DM_FAILED;
+    do {
+        if (randStr == nullptr || len == 0) {
+            break;
+        }
+        entropy = (mbedtls_entropy_context *)malloc(sizeof(mbedtls_entropy_context));
+        if (entropy == nullptr) {
+            break;
+        }
+        ctrDrbg = (mbedtls_ctr_drbg_context *)malloc(sizeof(mbedtls_ctr_drbg_context));
+        if (ctrDrbg == nullptr) {
+            break;
+        }
+        mbedtls_ctr_drbg_init(ctrDrbg);
+        mbedtls_entropy_init(entropy);
+        ret = mbedtls_ctr_drbg_seed(ctrDrbg, mbedtls_entropy_func, entropy, nullptr, 0);
+        if (ret != 0) {
+            break;
+        }
+        ret = mbedtls_ctr_drbg_random(ctrDrbg, randStr, len);
+        if (ret != 0) {
+            break;
+        }
+        ret = DM_OK;
+    } while (0);
+    if (entropy != nullptr) {
+        free(entropy);
+    }
+    if (ctrDrbg != nullptr) {
+        free(ctrDrbg);
+    }
+    return ret;
+}
+
+bool MbedtlsGenRandomStr(char *szOut, int32_t szOutLen, bool numberOnly)
+{
+    const int32_t MIN_OUT_LENGTH = 2;
+    if (szOut == nullptr || szOutLen <= MIN_OUT_LENGTH) {
+        return false;
+    }
+    szOut[--szOutLen] = 0;
+    GetRandomData((uint8_t *)szOut, szOutLen);
+    const int32_t NUMBER_COUNT = 10;
+    const int32_t ALPHA_COUNT = 26;
+    const int32_t ALPHA_BYTE_COUNT = 2;
+    int32_t M = numberOnly ? NUMBER_COUNT : (NUMBER_COUNT + ALPHA_BYTE_COUNT * ALPHA_COUNT);
+    for (int32_t i = 0; i < szOutLen; i++) {
+        // 0~9,A~Z,a~z
+        uint32_t idx = ((uint32_t)szOut[i] % M);
+        char base;
+        if (idx < NUMBER_COUNT) {
+            base = '0';
+        } else if (idx >= NUMBER_COUNT && idx < (NUMBER_COUNT + ALPHA_COUNT)) {
+            base = 'A';
+            idx -= NUMBER_COUNT;
+        } else {
+            base = 'a';
+            idx -= (NUMBER_COUNT + ALPHA_COUNT);
+        }
+        szOut[i] = base + idx;
+    }
+    return true;
+}
+} // namespace DistributedHardware
+} // namespace OHOS