diff --git a/01-TestCase/tsg-ui/Ui-settings/Decryption_Keyrings_case.robot b/01-TestCase/tsg-ui/Ui-settings/Decryption_Keyrings_case.robot
new file mode 100644
index 0000000..4b1d2b7
--- /dev/null
+++ b/01-TestCase/tsg-ui/Ui-settings/Decryption_Keyrings_case.robot
@@ -0,0 +1,66 @@
+*** Settings ***
+Force Tags        tsg-ui    settings    Decryption Keyrings
+Resource          ../../../../03-Variable/bifangapivariable.txt
+Resource          ../../../../02-Keyword/Tsg_Ui/Setting/Settings.robot
+Library           OperatingSystem
+
+*** Test Cases ***
+Create_Decryption_Keyrings-001
+    Create-Decryption Keyrings    lyf-RF-test-001    ${path}keyrings//root//tango-ca-root-01-cer.pem    ${path}keyrings//root//tango-ca-root-01-key.pem    23    id=certificateType_select0    id=keyringsadd_publicKeyAlgoSelet1
+
+Create_Decryption_Keyrings-002
+    Create-Decryption Keyrings    lyf-RF-test-002    ${path}keyrings//root//tango-ca-root-01-cer.pem    ${path}keyrings//root//tango-ca-root-01-key.pem    23    id=certificateType_select0    id=keyringsadd_publicKeyAlgoSelet0
+
+Create_Decryption_Keyrings-003
+    Create-Decryption Keyrings    lyf-RF-test-003    ${path}keyrings//root//tango-ca-root-01-cer.pem    ${path}keyrings//root//tango-ca-root-01-key.pem    23    id=certificateType_select0    id=keyringsadd_publicKeyAlgoSelet2
+
+Create_Decryption_Keyrings-004
+    Create-Decryption Keyrings    lyf-RF-test-004    ${path}keyrings//root//tango-ca-root-01-cer.pem    ${path}keyrings//root//tango-ca-root-01-key.pem    23    id=certificateType_select0    id=keyringsadd_publicKeyAlgoSelet3
+
+Create_Decryption_Keyrings-005
+    Create-Decryption Keyrings    lyf-RF-test-005    ${path}keyrings//root//tango-ca-root-01-cer.pem    ${path}keyrings//root//tango-ca-root-01-key.pem    23    id=certificateType_select0    id=keyringsadd_publicKeyAlgoSelet3
+    ...    open
+
+Create_Decryption_Keyrings-006
+    Create-Decryption Keyrings    lyf-RF-test-006    ${path}keyrings//Intermediate//tang-ca-v3-intermediate-01-cer.pem    ${path}keyrings//Intermediate//tang-ca-v3-intermediate-01-key.pem    23    id=certificateType_select1    id=keyringsadd_publicKeyAlgoSelet3
+
+Create_Decryption_Keyrings-007
+    Create-Decryption Keyrings    lyf-RF-test-006    ${path}keyrings//Intermediate//tang-ca-v3-intermediate-01-cer.pem    ${path}keyrings//Intermediate//tang-ca-v3-intermediate-01-key.pem    1    id=certificateType_select1    id=keyringsadd_publicKeyAlgoSelet2
+
+Create_Decryption_Keyrings-008
+    Create-Decryption Keyrings    lyf-RF-test-006    ${path}keyrings//Intermediate//tang-ca-v3-intermediate-01-cer.pem    ${path}keyrings//Intermediate//tang-ca-v3-intermediate-01-key.pem    2    id=certificateType_select1    id=keyringsadd_publicKeyAlgoSelet1
+
+Create_Decryption_Keyrings-009
+    Create-Decryption Keyrings    lyf-RF-test-006    ${path}keyrings//Intermediate//tang-ca-v3-intermediate-01-cer.pem    ${path}keyrings//Intermediate//tang-ca-v3-intermediate-01-key.pem    2    id=certificateType_select1    id=keyringsadd_publicKeyAlgoSelet0
+
+Create_Decryption_Keyrings-010
+    Create-Decryption Keyrings    lyf-RF-test-006    ${path}keyrings//Intermediate//tang-ca-v3-intermediate-01-cer.pem    ${path}keyrings//Intermediate//tang-ca-v3-intermediate-01-key.pem    2    id=certificateType_select1    id=keyringsadd_publicKeyAlgoSelet0
+    ...    open
+
+Edit_Decryption_Keyrings-011
+    Create-Decryption Keyrings    lyf-RF-test-006    ${path}keyrings//Intermediate//tang-ca-v3-intermediate-01-cer.pem    ${path}keyrings//Intermediate//tang-ca-v3-intermediate-01-key.pem    2    id=certificateType_select1    id=keyringsadd_publicKeyAlgoSelet0
+    ${id}    get text    xpath=//*[@id="ly-table1-listcontent"]/div/div[3]/table/tbody/tr/td[1]/div/div/div/p/span
+    Edit-Decryption Keyrings    id=input_list_li1    ${id}    lyf-RF-edit-1    ${path}keyrings//root//mesalab-ca-cert.pem    ${path}keyrings//root//mesalab-ca-key.pem    1
+    ...    id=certificateType_select0    id=keyringsadd_publicKeyAlgoSelet1
+
+Edit_Decryption_Keyrings-012
+    Create-Decryption Keyrings    lyf-RF-test-006    ${path}keyrings//Intermediate//tang-ca-v3-intermediate-01-cer.pem    ${path}keyrings//Intermediate//tang-ca-v3-intermediate-01-key.pem    2    id=certificateType_select1    id=keyringsadd_publicKeyAlgoSelet0
+    ${name}    get text    xpath=//*[@id="ly-table1-listcontent"]/div/div[3]/table/tbody/tr/td[2]/div/div/div/p/span
+    Edit-Decryption Keyrings    id=input_list_li1    ${name}    lyf-RF-edit-1    ${path}keyrings//root//mesalab-ca-cert.pem    ${path}keyrings//root//mesalab-ca-key.pem    1
+    ...    id=certificateType_select0    id=keyringsadd_publicKeyAlgoSelet1
+
+Create_Decryption_Keyrings-013
+    Create-Decryption Keyrings    lyf-RF-test-013    ${path}keyrings//end-entity//tang-ca-v3-www.amazon.cn-cer.pem    ${path}keyrings//end-entity//tang-ca-v3-www.amazon.cn-key.pem    23    id=certificateType_select2    id=keyringsadd_publicKeyAlgoSelet0
+
+Create_Decryption_Keyrings-014
+    Create-Decryption Keyrings    lyf-RF-test-014    ${path}keyrings//end-entity//tang-ca-v3-www.amazon.cn-cer.pem    ${path}keyrings//end-entity//tang-ca-v3-www.amazon.cn-key.pem    23    id=certificateType_select2    id=keyringsadd_publicKeyAlgoSelet1
+
+Create_Decryption_Keyrings-015
+    Create-Decryption Keyrings    lyf-RF-test-015    ${path}keyrings//end-entity//tang-ca-v3-www.amazon.cn-cer.pem    ${path}keyrings//end-entity//tang-ca-v3-www.amazon.cn-key.pem    23    id=certificateType_select2    id=keyringsadd_publicKeyAlgoSelet2
+
+Create_Decryption_Keyrings-016
+    Create-Decryption Keyrings    lyf-RF-test-016    ${path}keyrings//end-entity//tang-ca-v3-www.amazon.cn-cer.pem    ${path}keyrings//end-entity//tang-ca-v3-www.amazon.cn-key.pem    23    id=certificateType_select2    id=keyringsadd_publicKeyAlgoSelet3
+
+Create_Decryption_Keyrings-017
+    Create-Decryption Keyrings    lyf-RF-test-017    ${path}keyrings//end-entity//tang-ca-v3-www.amazon.cn-cer.pem    ${path}keyrings//end-entity//tang-ca-v3-www.amazon.cn-key.pem    1    id=certificateType_select2    id=keyringsadd_publicKeyAlgoSelet3
+    ...    open