diff --git a/tests/resources/Harbor-Pages/Project.robot b/tests/resources/Harbor-Pages/Project.robot
index fe3a88586..62d5c8420 100644
--- a/tests/resources/Harbor-Pages/Project.robot
+++ b/tests/resources/Harbor-Pages/Project.robot
@@ -375,13 +375,29 @@ Back Project Home
     [Arguments]  ${project_name}
     Retry Link Click  //a[contains(.,'${project_name}')]
 
-Should Not Be Signed By Cosign
+Should Be Signed
+    [Arguments]  ${tag}
+    Retry Wait Element Visible  //clr-dg-row[contains(.,'${tag}')]//clr-icon[contains(@class,'signed')]
+
+Should Not Be Signed
     [Arguments]  ${tag}
     Retry Wait Element Visible  //clr-dg-row[contains(.,'${tag}')]//clr-icon[contains(@class,'color-red')]
 
 Should Be Signed By Cosign
-    [Arguments]  ${tag}
-    Retry Wait Element Visible  //clr-dg-row[contains(.,'${tag}')]//clr-icon[contains(@class,'signed')]
+    [Arguments]  ${tag}=${null}  ${digest}=${null}
+    IF  '${tag}' != '${null}'
+        Retry Wait Element Visible  //clr-dg-row[./clr-expandable-animation/div/div/div/clr-dg-cell/div/clr-tooltip/div/div/span[contains(.,'${tag}')] and .//clr-dg-row[.//img[@title='signature.cosign']]]
+    ELSE
+        Retry Wait Element Visible  //clr-dg-row[./clr-expandable-animation/div/div/div/clr-dg-cell/div/a[contains(.,'${digest}')] and .//clr-dg-row[.//img[@title='signature.cosign']]]
+    END
+
+Should Be Signed By Notation
+    [Arguments]  ${tag}=${null}  ${digest}=${null}
+    IF  '${tag}' != '${null}'
+        Retry Wait Element Visible  //clr-dg-row[./clr-expandable-animation/div/div/div/clr-dg-cell/div/clr-tooltip/div/div/span[contains(.,'${tag}')] and .//clr-dg-row[.//img[@title='signature.notation']]]
+    ELSE
+        Retry Wait Element Visible  //clr-dg-row[./clr-expandable-animation/div/div/div/clr-dg-cell/div/a[contains(.,'${digest}')] and .//clr-dg-row[.//img[@title='signature.notation']]]
+    END
 
 Delete Accessory
     [Arguments]  ${tag}
diff --git a/tests/resources/Notation_Util.robot b/tests/resources/Notation_Util.robot
new file mode 100644
index 000000000..ac5f6e6c1
--- /dev/null
+++ b/tests/resources/Notation_Util.robot
@@ -0,0 +1,26 @@
+# Copyright Project Harbor Authors
+#
+# 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
+
+*** Settings ***
+Documentation  This resource provides helper functions for docker operations
+Library  OperatingSystem
+Library  Process
+
+*** Keywords ***
+Notation Generate Cert
+    Run And Return Rc And Output  notation cert generate-test --default wabbit-networks.io
+
+Notation Sign
+    [Arguments]  ${artifact}
+    Wait Unitl Command Success  notation sign -d --allow-referrers-api ${artifact}
diff --git a/tests/resources/Util.robot b/tests/resources/Util.robot
index 17c86a9d2..b368e9dbb 100644
--- a/tests/resources/Util.robot
+++ b/tests/resources/Util.robot
@@ -82,6 +82,7 @@ Resource  SeleniumUtil.robot
 Resource  Nightly-Util.robot
 Resource  APITest-Util.robot
 Resource  Cosign_Util.robot
+Resource  Notation_Util.robot
 Resource  Imgpkg-Util.robot
 Resource  Webhook-Util.robot
 Resource  TestCaseBody.robot
diff --git a/tests/robot-cases/Group1-Nightly/Common.robot b/tests/robot-cases/Group1-Nightly/Common.robot
index 6b5246db4..63e1c9e51 100644
--- a/tests/robot-cases/Group1-Nightly/Common.robot
+++ b/tests/robot-cases/Group1-Nightly/Common.robot
@@ -474,19 +474,28 @@ Test Case - Copy A Image And Accessory
     Create An New Project And Go Into Project  ${source_project}
 
     Push Image With Tag  ${ip}  ${user}  ${pwd}  ${source_project}  ${image}  ${tag}
-    Cosign Generate Key Pair
     Docker Login  ${ip}  ${user}  ${pwd}
+    Cosign Generate Key Pair
     Cosign Sign  ${ip}/${source_project}/${image}:${tag}
-    Docker Logout  ${ip}
+    Notation Generate Cert
+    Notation Sign  ${ip}/${source_project}/${image}:${tag}
+
     Go Into Repo  ${source_project}  ${image}
+    Should Be Signed  ${tag}
+    Retry Button Click  ${artifact_list_accessory_btn}
     Should Be Signed By Cosign  ${tag}
+    Should Be Signed By Notation  ${tag}
 
     Copy Image  ${tag}  ${target_project}  ${image}
 
     Retry Double Keywords When Error  Go Into Project  ${target_project}  Retry Wait Until Page Contains  ${image}
     Go Into Repo  ${target_project}  ${image}
     Retry Wait Until Page Contains Element  //clr-dg-row[contains(.,${tag})]
+    Should Be Signed  ${tag}
+    Retry Button Click  ${artifact_list_accessory_btn}
     Should Be Signed By Cosign  ${tag}
+    Should Be Signed By Notation  ${tag}
+    Docker Logout  ${ip}
     Close Browser
 
 Test Case - Create An New Project With Quotas Set
@@ -772,14 +781,14 @@ Test Case - Cosign And Cosign Deployment Security Policy
     Push Image With Tag  ${ip}  ${user}  ${pwd}  project${d}  ${image}  ${tag}
     Go Into Project  project${d}
     Go Into Repo  project${d}  ${image}
-    Should Not Be Signed By Cosign  ${tag}
+    Should Not Be Signed  ${tag}
     Cannot Pull Image  ${ip}  ${user}  ${pwd}  project${d}  ${image}:${tag}  err_msg=The image is not signed by cosign.
     Cosign Generate Key Pair
     Cosign Verify  ${ip}/project${d}/${image}:${tag}  ${false}
 
     Cosign Sign  ${ip}/project${d}/${image}:${tag}
     Cosign Verify  ${ip}/project${d}/${image}:${tag}  ${true}
-    Retry Double Keywords When Error  Retry Element Click  ${artifact_list_refresh_btn}  Should Be Signed By Cosign  ${tag}
+    Retry Double Keywords When Error  Retry Element Click  ${artifact_list_refresh_btn}  Should Be Signed  ${tag}
     Pull image  ${ip}  ${user}  ${pwd}  project${d}  ${image}:${tag}
 
     Retry Double Keywords When Error  Delete Accessory  ${tag}  Should be Accessory deleted  ${tag}
diff --git a/tests/robot-cases/Group1-Nightly/Replication.robot b/tests/robot-cases/Group1-Nightly/Replication.robot
index 1b1ec7e10..0380432b7 100644
--- a/tests/robot-cases/Group1-Nightly/Replication.robot
+++ b/tests/robot-cases/Group1-Nightly/Replication.robot
@@ -389,16 +389,16 @@ Test Case - Robot Account Do Replication
     Logout Harbor
     Sign In Harbor  https://${ip1}  ${HARBOR_ADMIN}  ${HARBOR_PASSWORD}
     Image Should Be Replicated To Project  project_dest${d}  ${image1}
-    Should Be Signed By Cosign  ${tag1}
+    Should Be Signed  ${tag1}
     Image Should Be Replicated To Project  project_dest${d}  ${image2}
-    Should Be Signed By Cosign  ${tag2}
+    Should Be Signed  ${tag2}
     Back Project Home  project_dest${d}
     Go Into Repo  project_dest${d}  ${index}
-    Should Be Signed By Cosign  ${index_tag}
+    Should Be Signed  ${index_tag}
     Go Into Repo  project_dest${d}  ${index}
-    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Be Signed By Cosign  ${image1_short_sha256}
+    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Be Signed  ${image1_short_sha256}
     Go Into Repo  project_dest${d}  ${index}
-    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Not Be Signed By Cosign  ${image2_short_sha256}
+    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Not Be Signed  ${image2_short_sha256}
     # pull mode
     Logout Harbor
     Sign In Harbor  ${HARBOR_URL}  ${HARBOR_ADMIN}  ${HARBOR_PASSWORD}
@@ -409,16 +409,16 @@ Test Case - Robot Account Do Replication
     Check Latest Replication Job Status  Succeeded
     Check Latest Replication Enabled Copy By Chunk
     Image Should Be Replicated To Project  project_dest${d}  ${image1}
-    Should Be Signed By Cosign  ${tag1}
+    Should Be Signed  ${tag1}
     Image Should Be Replicated To Project  project_dest${d}  ${image2}
-    Should Be Signed By Cosign  ${tag2}
+    Should Be Signed  ${tag2}
     Back Project Home  project_dest${d}
     Go Into Repo  project_dest${d}  ${index}
-    Should Be Signed By Cosign  ${index_tag}
+    Should Be Signed  ${index_tag}
     Go Into Repo  project_dest${d}  ${index}
-    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Be Signed By Cosign  ${image1_short_sha256}
+    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Be Signed  ${image1_short_sha256}
     Go Into Repo  project_dest${d}  ${index}
-    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Not Be Signed By Cosign  ${image2_short_sha256}
+    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Not Be Signed  ${image2_short_sha256}
     Close Browser
 
 Test Case - Replication Triggered By Events
@@ -468,28 +468,28 @@ Test Case - Replication Triggered By Events
     Logout Harbor
     Sign In Harbor  ${HARBOR_URL}  ${HARBOR_ADMIN}  ${HARBOR_PASSWORD}
     Go Into Repo  project${d}  ${image1}
-    Should Be Signed By Cosign  ${tag1}
+    Should Be Signed  ${tag1}
     Go Into Repo  project${d}  ${index}
-    Should Be Signed By Cosign  ${index_tag}
+    Should Be Signed  ${index_tag}
     Go Into Repo  project${d}  ${index}
-    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Be Signed By Cosign  ${image1_short_sha256}
+    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Be Signed  ${image1_short_sha256}
     Go Into Repo  project${d}  ${image2}
-    Should Not Be Signed By Cosign  ${tag2}
+    Should Not Be Signed  ${tag2}
     Go Into Repo  project${d}  ${index}
-    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Not Be Signed By Cosign  ${image2_short_sha256}
+    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Not Be Signed  ${image2_short_sha256}
     Logout Harbor
 
     Sign In Harbor  https://${ip1}  ${HARBOR_ADMIN}  ${HARBOR_PASSWORD}
     Go Into Repo  project_dest${d}  ${image1}
-    Should Be Signed By Cosign  ${tag1}
+    Should Be Signed  ${tag1}
     Go Into Repo  project_dest${d}  ${index}
-    Should Be Signed By Cosign  ${index_tag}
+    Should Be Signed  ${index_tag}
     Go Into Repo  project_dest${d}  ${index}
-    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Be Signed By Cosign  ${image1_short_sha256}
+    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Be Signed  ${image1_short_sha256}
     Go Into Repo  project_dest${d}  ${image2}
-    Should Not Be Signed By Cosign  ${tag2}
+    Should Not Be Signed  ${tag2}
     Go Into Repo  project_dest${d}  ${index}
-    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Not Be Signed By Cosign  ${image2_short_sha256}
+    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Not Be Signed  ${image2_short_sha256}
     Logout Harbor
     # delete
     Sign In Harbor  ${HARBOR_URL}  ${HARBOR_ADMIN}  ${HARBOR_PASSWORD}
@@ -498,13 +498,13 @@ Test Case - Replication Triggered By Events
     Repo Not Exist  project${d}  ${image2}
     Go Into Repo  project${d}  ${image1}
     Retry Double Keywords When Error  Delete Accessory  ${tag1}  Should be Accessory deleted  ${tag1}
-    Should Not Be Signed By Cosign  ${tag1}
+    Should Not Be Signed  ${tag1}
     Go Into Repo  project${d}  ${index}
     Retry Double Keywords When Error  Delete Accessory  ${index_tag}  Should be Accessory deleted  ${index_tag}
-    Should Not Be Signed By Cosign  ${index_tag}
+    Should Not Be Signed  ${index_tag}
     Click Index Achieve  ${index_tag}
     Retry Double Keywords When Error  Delete Accessory  ${image1_short_sha256}  Should be Accessory deleted  ${image1_short_sha256}
-    Should Not Be Signed By Cosign  ${image1_short_sha256}
+    Should Not Be Signed  ${image1_short_sha256}
     Logout Harbor
 
     Sign In Harbor  https://${ip1}  ${HARBOR_ADMIN}  ${HARBOR_PASSWORD}
@@ -512,12 +512,12 @@ Test Case - Replication Triggered By Events
     Wait Until Page Contains  We couldn't find any artifacts!
     Go Into Repo  project_dest${d}  ${image1}
     Should be Accessory deleted  ${tag1}
-    Should Not Be Signed By Cosign  ${tag1}
+    Should Not Be Signed  ${tag1}
     Go Into Repo  project_dest${d}  ${index}
     Should be Accessory deleted  ${index_tag}
-    Should Not Be Signed By Cosign  ${index_tag}
+    Should Not Be Signed  ${index_tag}
     Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should be Accessory deleted  ${image1_short_sha256}
-    Should Not Be Signed By Cosign  ${image1_short_sha256}
+    Should Not Be Signed  ${image1_short_sha256}
     Close Browser
 
 Test Case - Enable Replication Of Cosign Deployment Security Policy
@@ -595,15 +595,15 @@ Test Case - Enable Replication Of Cosign Deployment Security Policy
     Repo Exist  project_pull_dest${d}  ${image2}
     Repo Exist  project_pull_dest${d}  ${index}
     Go Into Repo  project_pull_dest${d}  ${image1}
-    Should Be Signed By Cosign  ${tag1}
+    Should Be Signed  ${tag1}
     Go Into Repo  project_pull_dest${d}  ${image2}
-    Should Be Signed By Cosign  ${tag2}
+    Should Be Signed  ${tag2}
     Go Into Repo  project_pull_dest${d}  ${index}
-    Should Be Signed By Cosign  ${index_tag}
+    Should Be Signed  ${index_tag}
     Go Into Repo  project_pull_dest${d}  ${index}
-    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Be Signed By Cosign  ${image1_short_sha256}
+    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Be Signed  ${image1_short_sha256}
     Go Into Repo  project_pull_dest${d}  ${index}
-    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Be Signed By Cosign  ${image2_short_sha256}
+    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Be Signed  ${image2_short_sha256}
     # check project_push_dest
     Go Into Project  project_push_dest${d}
     Switch To Project Repo
@@ -611,15 +611,15 @@ Test Case - Enable Replication Of Cosign Deployment Security Policy
     Repo Exist  project_push_dest${d}  ${image2}
     Repo Exist  project_push_dest${d}  ${index}
     Go Into Repo  project_push_dest${d}  ${image1}
-    Should Be Signed By Cosign  ${tag1}
+    Should Be Signed  ${tag1}
     Go Into Repo  project_push_dest${d}  ${image2}
-    Should Be Signed By Cosign  ${tag2}
+    Should Be Signed  ${tag2}
     Go Into Repo  project_push_dest${d}  ${index}
-    Should Be Signed By Cosign  ${index_tag}
+    Should Be Signed  ${index_tag}
     Go Into Repo  project_push_dest${d}  ${index}
-    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Be Signed By Cosign  ${image1_short_sha256}
+    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Be Signed  ${image1_short_sha256}
     Go Into Repo  project_push_dest${d}  ${index}
-    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Be Signed By Cosign  ${image2_short_sha256}
+    Retry Double Keywords When Error  Click Index Achieve  ${index_tag}  Should Be Signed  ${image2_short_sha256}
     Close Browser
 
 Test Case - Carvel Imgpkg Copy To Harbor