diff --git a/services/implementation/src/ability/standard/dm_dialog_manager.cpp b/services/implementation/src/ability/standard/dm_dialog_manager.cpp
index d7efde57bebf458a6469d54234899e69b9b5e9c7..5b93c3a29a30c57db82778bfe7faf09024997572 100644
--- a/services/implementation/src/ability/standard/dm_dialog_manager.cpp
+++ b/services/implementation/src/ability/standard/dm_dialog_manager.cpp
@@ -22,6 +22,7 @@
 #include "auth_message_processor.h"
 #include "dm_anonymous.h"
 #include "dm_log.h"
+#include "dm_crypto.h"
 #include "json_object.h"
 #include "parameter.h"
 #include "dm_single_instance.h"
@@ -202,7 +203,8 @@ void DmDialogManager::DialogAbilityConnection::OnAbilityConnectDone(
     if (DmDialogManager::GetAbilityName() == INPUT_ABILITY_NAME) {
         param["sysDialogZOrder"] = WINDOW_LEVEL_UPPER;
     }
-    LOGI("pinCode: %{public}s", GetAnonyString(DmDialogManager::GetPinCode()).c_str());
+    std::string pinCodeHash = GetAnonyString(Crypto::Sha256(DmDialogManager::GetPinCode()));
+    LOGI("OnAbilityConnectDone pinCodeHash: %{public}s", pinCodeHash.c_str());
     param["isProxyBind"] = DmDialogManager::GetIsProxyBind();
     param["appUserData"] = DmDialogManager::GetAppUserData();
     param["pinCode"] = DmDialogManager::GetPinCode();
diff --git a/services/implementation/src/authentication/dm_auth_manager.cpp b/services/implementation/src/authentication/dm_auth_manager.cpp
index 60f51ac5c5fbb4c002aa89d88b9a37292d12b74d..775b9873fb2dbdded1dbdd74c471b47a42d86867 100644
--- a/services/implementation/src/authentication/dm_auth_manager.cpp
+++ b/services/implementation/src/authentication/dm_auth_manager.cpp
@@ -2577,7 +2577,8 @@ char *DmAuthManager::AuthDeviceRequest(int64_t requestId, int operationCode, con
         jsonObj[FIELD_CONFIRMATION] = RequestResponse::REQUEST_ACCEPTED;
         jsonObj[FIELD_PIN_CODE] = pinCode;
     }
-    LOGI("pinCode: %{public}s", GetAnonyString(pinCode).c_str());
+    std::string pinCodeHash = GetAnonyString(Crypto::Sha256(pinCode));
+    LOGI("AuthDeviceRequest pinCodeHash: %{public}s", pinCodeHash.c_str());
     std::string deviceId = "";
     GetRemoteDeviceId(deviceId);
     jsonObj[FIELD_PEER_CONN_DEVICE_ID] = deviceId;
diff --git a/services/implementation/src/authentication_v2/auth_manager.cpp b/services/implementation/src/authentication_v2/auth_manager.cpp
index c6cf3ff0ba2f314da1cc349e1a1af81a39b4fd3a..48ad12084315d3e17c82aeff7bfaeba74c81d11f 100644
--- a/services/implementation/src/authentication_v2/auth_manager.cpp
+++ b/services/implementation/src/authentication_v2/auth_manager.cpp
@@ -990,7 +990,8 @@ char *AuthSinkManager::AuthDeviceRequest(int64_t requestId, int operationCode, c
             jsonObj[FIELD_CONFIRMATION] = RequestResponse::REQUEST_ACCEPTED;
             jsonObj[FIELD_PIN_CODE] = pinCode;
         }
-        LOGI("pinCode: %{public}s", GetAnonyString(pinCode).c_str());
+        std::string pinCodeHash = GetAnonyString(Crypto::Sha256(pinCode));
+        LOGI("AuthDeviceRequest pinCodeHash: %{public}s", pinCodeHash.c_str());
     } else if (curState == DmAuthStateType::AUTH_SINK_CREDENTIAL_AUTH_START_STATE) {
         if (context_->isOnline) { // Non-first time certification
             jsonObj[FIELD_CONFIRMATION] = RequestResponse::REQUEST_ACCEPTED;
@@ -1015,7 +1016,8 @@ int32_t AuthManager::GetPinCode(std::string &code)
         LOGE("AuthManager failed to GetPinCode because context_ is nullptr");
         return ERR_DM_FAILED;
     }
-    LOGI("GetPinCode called, pinCode: %{public}s", GetAnonyString(context_->pinCode).c_str());
+    std::string pinCodeHash = GetAnonyString(Crypto::Sha256(context_->pinCode));
+    LOGI("GetPinCode pinCodeHash: %{public}s", pinCodeHash.c_str());
     code = context_->pinCode;
     return DM_OK;
 }
diff --git a/services/implementation/src/authentication_v2/auth_stages/auth_pin_auth.cpp b/services/implementation/src/authentication_v2/auth_stages/auth_pin_auth.cpp
index be3e377eac8a0cd5f067aafc25b6690c95b383b5..815401fec0984013512150d2fa030216dc913212 100644
--- a/services/implementation/src/authentication_v2/auth_stages/auth_pin_auth.cpp
+++ b/services/implementation/src/authentication_v2/auth_stages/auth_pin_auth.cpp
@@ -21,6 +21,7 @@
 #include "dm_auth_state_machine.h"
 #include "dm_auth_state.h"
 #include "dm_auth_state_machine.h"
+#include "dm_crypto.h"
 #include "dm_dialog_manager.h"
 #include "dm_log.h"
 #include "dm_negotiate_process.h"
@@ -54,6 +55,8 @@ int32_t AuthSinkStatePinAuthComm::ShowAuthInfoDialog(std::shared_ptr<DmAuthConte
     }
 
     DmDialogManager::GetInstance().ShowPinDialog(context->pinCode);
+    std::string pinCodeHash = GetAnonyString(Crypto::Sha256(context->pinCode));
+    LOGI("ShowAuthInfoDialog pinCodeHash: %{public}s", pinCodeHash.c_str());
     context->timer->StartTimer(std::string(SESSION_HEARTBEAT_TIMEOUT_TASK),
         DmAuthState::GetTaskTimeout(context, SESSION_HEARTBEAT_TIMEOUT_TASK, SESSION_HEARTBEAT_TIMEOUT),
         [context] (std::string name) {
@@ -125,6 +128,8 @@ void AuthSinkStatePinAuthComm::GeneratePincode(std::shared_ptr<DmAuthContext> co
 {
     int32_t pinCode = GenRandInt(MIN_PIN_CODE, MAX_PIN_CODE);
     context->pinCode = std::to_string(pinCode);
+    std::string pinCodeHash = GetAnonyString(Crypto::Sha256(context->pinCode));
+    LOGI("GeneratePincode pinCodeHash: %{public}s", pinCodeHash.c_str());
 }
 
 DmAuthStateType AuthSrcPinAuthStartState::GetStateType()
@@ -181,6 +186,8 @@ int32_t AuthSinkPinAuthStartState::Action(std::shared_ptr<DmAuthContext> context
         LOGE("AuthSinkPinAuthStartState::Action invalid parameter.");
         return ERR_DM_INPUT_PARA_INVALID;
     }
+    std::string pinCodeHash = GetAnonyString(Crypto::Sha256(context->pinCode));
+    LOGI("AuthSinkPinAuthStartState pinCodeHash: %{public}s", pinCodeHash.c_str());
     // process pincode auth
     auto ret = context->hiChainAuthConnector->ProcessCredData(context->requestId, context->transmitData);
     if (ret != DM_OK) {
diff --git a/services/implementation/src/dependency/hichain/hichain_auth_connector.cpp b/services/implementation/src/dependency/hichain/hichain_auth_connector.cpp
index b659af1ad6bbbb4a698c506b6583ff02aeb21386..6f0f8a7632184574c4bd5f3e57104628da7e7e78 100644
--- a/services/implementation/src/dependency/hichain/hichain_auth_connector.cpp
+++ b/services/implementation/src/dependency/hichain/hichain_auth_connector.cpp
@@ -19,6 +19,7 @@
 #include "dm_log.h"
 #include "dm_anonymous.h"
 #include "dm_constants.h"
+#include "dm_crypto.h"
 #include "hichain_connector_callback.h"
 #include "parameter.h"
 #include "cJSON.h"
@@ -114,7 +115,8 @@ std::shared_ptr<IDmDeviceAuthCallback> HiChainAuthConnector::GetDeviceAuthCallba
 int32_t HiChainAuthConnector::AuthDevice(const std::string &pinCode, int32_t osAccountId, std::string udid,
     int64_t requestId)
 {
-    LOGI("start, pinCode: %{public}s", GetAnonyString(pinCode).c_str());
+    std::string pinCodeHash = GetAnonyString(Crypto::Sha256(pinCode));
+    LOGI("AuthDevice pinCodeHash: %{public}s", pinCodeHash.c_str());
     JsonObject authParamJson;
     authParamJson["osAccountId"] = osAccountId;
     authParamJson["pinCode"] = pinCode;
@@ -255,7 +257,8 @@ int32_t HiChainAuthConnector::AuthCredential(int32_t osAccountId, int64_t authRe
 
 int32_t HiChainAuthConnector::AuthCredentialPinCode(int32_t osAccountId, int64_t authReqId, const std::string &pinCode)
 {
-    LOGI("start, pinCode: %{public}s", GetAnonyString(pinCode).c_str());
+    std::string pinCodeHash = GetAnonyString(Crypto::Sha256(pinCode));
+    LOGI("AuthCredentialPinCode pinCodeHash: %{public}s", pinCodeHash.c_str());
     if (pinCode.size() < MIN_PINCODE_SIZE) {
         LOGE("HiChainAuthConnector::AuthCredentialPinCode failed, pinCode size is %{public}zu.", pinCode.size());
         return ERR_DM_FAILED;
diff --git a/services/implementation/src/dependency/hichain/hichain_connector.cpp b/services/implementation/src/dependency/hichain/hichain_connector.cpp
index cebe420eb38a067bdeef036f53fa7f53ed1e0554..5cb929ffe1b6e7d89e2d468f4a4a20098c6d5354 100644
--- a/services/implementation/src/dependency/hichain/hichain_connector.cpp
+++ b/services/implementation/src/dependency/hichain/hichain_connector.cpp
@@ -22,6 +22,7 @@
 
 #include "dm_anonymous.h"
 #include "dm_constants.h"
+#include "dm_crypto.h"
 #include "dm_dfx_constants.h"
 #include "dm_hisysevent.h"
 #include "dm_log.h"
@@ -347,7 +348,8 @@ int32_t HiChainConnector::AddMember(const std::string &deviceId, const std::stri
 
     std::string pinCode = jsonObject[PIN_CODE_KEY].Get<std::string>();
     std::string groupId = jsonObject[TAG_GROUP_ID].Get<std::string>();
-    LOGI("pinCode: %{public}s", GetAnonyString(pinCode).c_str());
+    std::string pinCodeHash = GetAnonyString(Crypto::Sha256(pinCode));
+    LOGI("AddMember pinCodeHash: %{public}s", pinCodeHash.c_str());
     JsonObject jsonObj;
     jsonObj[FIELD_GROUP_ID] = groupId;
     jsonObj[FIELD_GROUP_TYPE] = GROUP_TYPE_PEER_TO_PEER_GROUP;