diff --git a/.vscode/launch.json b/.vscode/launch.json
index 1267870..dcd3052 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -4,6 +4,18 @@
   // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
   "version": "0.2.0",
   "configurations": [
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "dumpASN1",
+      "skipFiles": [
+        "<node_internals>/**"
+      ],
+      "program": "${workspaceFolder}/dumpASN1.js",
+      "args": [
+        "examples/ed25519.cer"
+      ]
+    },
     {
       "type": "node",
       "request": "launch",
@@ -17,6 +29,34 @@
         "rfcdef.json"
       ]
     },
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "dumpASN1 cert",
+      "skipFiles": [
+        "<node_internals>/**"
+      ],
+      "program": "${workspaceFolder}/dumpASN1.js",
+      "args": [
+        "data:base64,MIG9AgEBMA0GCSqGSIb3DQEBCwUAMEExCzAJBgNVBAYTAlVTMRUwEwYDVQQKEwxUUjM0IFNhbXBsZXMxGzAZBgNVBAMTElRSMzQgU2FtcGxlIENBIEtESBcNMTAxMTAyMTczMzMwWhcNMTAxMjAyMTczMzMwWjBIMBYCBTQAAAAIFw0xMDExMDIxNzI4MTNaMBYCBTQAAAAKFw0xMDExMDIxNzMxNDZaMBYCBTQAAAALFw0xMDExMDIxNzMzMjVa",
+        "1.3.6.1.5.5.7.0.18",
+        "TBSCertList"
+      ]
+    },
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "dumpASN1 CMS",
+      "skipFiles": [
+        "<node_internals>/**"
+      ],
+      "program": "${workspaceFolder}/dumpASN1.js",
+      "args": [
+        "examples/cms-password.p7m",
+        "1.2.840.113549.1.9.16.0.14",
+        "ContentInfo"
+      ]
+    },
     {
       "type": "node",
       "request": "launch",