diff --git a/spigot/src/main/java/net/azisaba/azipluginmessaging/spigot/entity/PlayerImpl.java b/spigot/src/main/java/net/azisaba/azipluginmessaging/spigot/entity/PlayerImpl.java
index 8a23c53..862b37a 100644
--- a/spigot/src/main/java/net/azisaba/azipluginmessaging/spigot/entity/PlayerImpl.java
+++ b/spigot/src/main/java/net/azisaba/azipluginmessaging/spigot/entity/PlayerImpl.java
@@ -3,6 +3,7 @@
 import net.azisaba.azipluginmessaging.api.entity.Player;
 import net.azisaba.azipluginmessaging.api.protocol.Protocol;
 import net.azisaba.azipluginmessaging.api.server.PacketSender;
+import net.azisaba.azipluginmessaging.api.util.EncryptionUtil;
 import net.azisaba.azipluginmessaging.spigot.SpigotPlugin;
 import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NotNull;
@@ -113,6 +114,8 @@ public boolean isChallengeEquals(@NotNull String challenge) {
     public String toString() {
         return "PlayerImpl{" +
                 "handle=" + handle +
+                ", publicKey=" + EncryptionUtil.encodePublicKey(keyPair.getPublic()) +
+                ", remotePublicKey=" + EncryptionUtil.encodePublicKey(remotePublicKey) +
                 ", encrypted=" + encrypted +
                 '}';
     }
diff --git a/velocity/src/main/java/net/azisaba/azipluginmessaging/velocity/server/ServerConnectionImpl.java b/velocity/src/main/java/net/azisaba/azipluginmessaging/velocity/server/ServerConnectionImpl.java
index 5e8f1ba..b7a3cb1 100644
--- a/velocity/src/main/java/net/azisaba/azipluginmessaging/velocity/server/ServerConnectionImpl.java
+++ b/velocity/src/main/java/net/azisaba/azipluginmessaging/velocity/server/ServerConnectionImpl.java
@@ -6,6 +6,7 @@
 import net.azisaba.azipluginmessaging.api.protocol.Protocol;
 import net.azisaba.azipluginmessaging.api.server.ServerConnection;
 import net.azisaba.azipluginmessaging.api.server.ServerInfo;
+import net.azisaba.azipluginmessaging.api.util.EncryptionUtil;
 import net.azisaba.azipluginmessaging.velocity.entity.PlayerImpl;
 import org.jetbrains.annotations.NotNull;
 
@@ -111,6 +112,8 @@ public String toString() {
         return "ServerConnectionImpl{" +
                 "handle=" + handle +
                 ", encrypted=" + encrypted +
+                ", publicKey=" + EncryptionUtil.encodePublicKey(keyPair.getPublic()) +
+                ", remotePublicKey=" + EncryptionUtil.encodePublicKey(publicKey) +
                 '}';
     }
 }