diff --git a/app/src/main/java/com/zeapo/pwdstore/git/config/GitConfigSessionFactory.java b/app/src/main/java/com/zeapo/pwdstore/git/config/GitConfigSessionFactory.java
deleted file mode 100644
index 58762888..00000000
--- a/app/src/main/java/com/zeapo/pwdstore/git/config/GitConfigSessionFactory.java
+++ /dev/null
@@ -1,22 +0,0 @@
-package com.zeapo.pwdstore.git.config;
-
-import com.jcraft.jsch.JSch;
-import com.jcraft.jsch.JSchException;
-import com.jcraft.jsch.Session;
-import org.eclipse.jgit.transport.JschConfigSessionFactory;
-import org.eclipse.jgit.transport.OpenSshConfig;
-import org.eclipse.jgit.util.FS;
-
-public class GitConfigSessionFactory extends JschConfigSessionFactory {
-
-    protected void configure(OpenSshConfig.Host hc, Session session) {
-        session.setConfig("StrictHostKeyChecking", "no");
-    }
-
-    @Override
-    protected JSch getJSch(final OpenSshConfig.Host hc, FS fs) throws JSchException {
-        JSch jsch = super.getJSch(hc, fs);
-        jsch.removeAllIdentity();
-        return jsch;
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/zeapo/pwdstore/git/config/GitConfigSessionFactory.kt b/app/src/main/java/com/zeapo/pwdstore/git/config/GitConfigSessionFactory.kt
new file mode 100644
index 00000000..6485a73c
--- /dev/null
+++ b/app/src/main/java/com/zeapo/pwdstore/git/config/GitConfigSessionFactory.kt
@@ -0,0 +1,22 @@
+package com.zeapo.pwdstore.git.config
+
+import com.jcraft.jsch.JSch
+import com.jcraft.jsch.JSchException
+import com.jcraft.jsch.Session
+import org.eclipse.jgit.transport.JschConfigSessionFactory
+import org.eclipse.jgit.transport.OpenSshConfig
+import org.eclipse.jgit.util.FS
+
+open class GitConfigSessionFactory : JschConfigSessionFactory() {
+
+    override fun configure(hc: OpenSshConfig.Host, session: Session) {
+        session.setConfig("StrictHostKeyChecking", "no")
+    }
+
+    @Throws(JSchException::class)
+    override fun getJSch(hc: OpenSshConfig.Host, fs: FS): JSch {
+        val jsch = super.getJSch(hc, fs)
+        jsch.removeAllIdentity()
+        return jsch
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/zeapo/pwdstore/git/config/SshConfigSessionFactory.java b/app/src/main/java/com/zeapo/pwdstore/git/config/SshConfigSessionFactory.java
deleted file mode 100644
index 38c5fb7e..00000000
--- a/app/src/main/java/com/zeapo/pwdstore/git/config/SshConfigSessionFactory.java
+++ /dev/null
@@ -1,68 +0,0 @@
-package com.zeapo.pwdstore.git.config;
-
-import com.jcraft.jsch.JSch;
-import com.jcraft.jsch.JSchException;
-import com.jcraft.jsch.Session;
-import com.jcraft.jsch.UserInfo;
-import org.eclipse.jgit.errors.UnsupportedCredentialItem;
-import org.eclipse.jgit.transport.CredentialItem;
-import org.eclipse.jgit.transport.CredentialsProvider;
-import org.eclipse.jgit.transport.CredentialsProviderUserInfo;
-import org.eclipse.jgit.transport.OpenSshConfig;
-import org.eclipse.jgit.transport.URIish;
-import org.eclipse.jgit.util.FS;
-
-public class SshConfigSessionFactory extends GitConfigSessionFactory {
-    private String sshKey;
-    private String passphrase;
-    private String username;
-
-    public SshConfigSessionFactory(String sshKey, String username, String passphrase) {
-        this.sshKey = sshKey;
-        this.passphrase = passphrase;
-        this.username = username;
-    }
-
-    @Override
-    protected JSch
-    getJSch(final OpenSshConfig.Host hc, FS fs) throws JSchException {
-        JSch jsch = super.getJSch(hc, fs);
-        jsch.removeAllIdentity();
-        jsch.addIdentity(sshKey);
-        return jsch;
-    }
-
-    @Override
-    protected void configure(OpenSshConfig.Host hc, Session session) {
-        session.setConfig("StrictHostKeyChecking", "no");
-        session.setConfig("PreferredAuthentications", "publickey,password");
-
-        CredentialsProvider provider = new CredentialsProvider() {
-            @Override
-            public boolean isInteractive() {
-                return false;
-            }
-
-            @Override
-            public boolean supports(CredentialItem... items) {
-                return true;
-            }
-
-            @Override
-            public boolean get(URIish uri, CredentialItem... items) throws UnsupportedCredentialItem {
-                for (CredentialItem item : items) {
-                    if (item instanceof CredentialItem.Username) {
-                        ((CredentialItem.Username) item).setValue(username);
-                        continue;
-                    }
-                    if (item instanceof CredentialItem.StringType) {
-                        ((CredentialItem.StringType) item).setValue(passphrase);
-                    }
-                }
-                return true;
-            }
-        };
-        UserInfo userInfo = new CredentialsProviderUserInfo(session, provider);
-        session.setUserInfo(userInfo);
-    }
-}
diff --git a/app/src/main/java/com/zeapo/pwdstore/git/config/SshConfigSessionFactory.kt b/app/src/main/java/com/zeapo/pwdstore/git/config/SshConfigSessionFactory.kt
new file mode 100644
index 00000000..e859f609
--- /dev/null
+++ b/app/src/main/java/com/zeapo/pwdstore/git/config/SshConfigSessionFactory.kt
@@ -0,0 +1,54 @@
+package com.zeapo.pwdstore.git.config
+
+import com.jcraft.jsch.JSch
+import com.jcraft.jsch.JSchException
+import com.jcraft.jsch.Session
+import org.eclipse.jgit.errors.UnsupportedCredentialItem
+import org.eclipse.jgit.transport.CredentialItem
+import org.eclipse.jgit.transport.CredentialsProvider
+import org.eclipse.jgit.transport.CredentialsProviderUserInfo
+import org.eclipse.jgit.transport.OpenSshConfig
+import org.eclipse.jgit.transport.URIish
+import org.eclipse.jgit.util.FS
+
+class SshConfigSessionFactory(private val sshKey: String, private val username: String, private val passphrase: String) : GitConfigSessionFactory() {
+
+    @Throws(JSchException::class)
+    override fun getJSch(hc: OpenSshConfig.Host, fs: FS): JSch {
+        val jsch = super.getJSch(hc, fs)
+        jsch.removeAllIdentity()
+        jsch.addIdentity(sshKey)
+        return jsch
+    }
+
+    override fun configure(hc: OpenSshConfig.Host, session: Session) {
+        session.setConfig("StrictHostKeyChecking", "no")
+        session.setConfig("PreferredAuthentications", "publickey,password")
+
+        val provider = object : CredentialsProvider() {
+            override fun isInteractive(): Boolean {
+                return false
+            }
+
+            override fun supports(vararg items: CredentialItem): Boolean {
+                return true
+            }
+
+            @Throws(UnsupportedCredentialItem::class)
+            override fun get(uri: URIish, vararg items: CredentialItem): Boolean {
+                for (item in items) {
+                    if (item is CredentialItem.Username) {
+                        item.value = username
+                        continue
+                    }
+                    if (item is CredentialItem.StringType) {
+                        item.value = passphrase
+                    }
+                }
+                return true
+            }
+        }
+        val userInfo = CredentialsProviderUserInfo(session, provider)
+        session.userInfo = userInfo
+    }
+}