step 5 : add public key, login try using public and failed

pubspec.lock

@@ -25,6 +25,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.4.2"
+  asn1lib:
+    dependency: transitive
+    description:
+      name: asn1lib
+      sha256: "21afe4333076c02877d14f4a89df111e658a6d466cbfc802eb705eb91bd5adfd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.0"
   async:
     dependency: transitive
     description:
@@ -81,6 +89,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.0.3"
+  crypton:
+    dependency: "direct main"
+    description:
+      name: crypton
+      sha256: "17b6631fbf89e389d421b46629132287ed37d601b2ad1357445826ab85022271"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.1"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -432,6 +448,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.8.3"
+  path_provider:
+    dependency: "direct main"
+    description:
+      name: path_provider
+      sha256: b27217933eeeba8ff24845c34003b003b2b22151de3c908d0e679e8fe1aa078b
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      sha256: "477184d672607c0a3bf68fbbf601805f92ef79c82b64b4d6eb318cbca4c48668"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.2"
+  path_provider_foundation:
+    dependency: transitive
+    description:
+      name: path_provider_foundation
+      sha256: "19314d595120f82aca0ba62787d58dde2cc6b5df7d2f0daf72489e38d1b57f2d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.1"
   path_provider_linux:
     dependency: transitive
     description:
@@ -480,6 +520,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.8"
+  pointycastle:
+    dependency: transitive
+    description:
+      name: pointycastle
+      sha256: "7c1e5f0d23c9016c5bbd8b1473d0d3fb3fc851b876046039509e18e0c7485f2c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.7.3"
   polylabel:
     dependency: transitive
     description: