diff --git a/src/dev/peerat/framework/Router.java b/src/dev/peerat/framework/Router.java
index d993dd5..6e5c5fd 100644
--- a/src/dev/peerat/framework/Router.java
+++ b/src/dev/peerat/framework/Router.java
@@ -3,8 +3,10 @@ package dev.peerat.framework;
 import java.lang.reflect.Method;
 import java.net.ServerSocket;
 import java.net.Socket;
+import java.security.Key;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.regex.Pattern;
@@ -15,6 +17,7 @@ import javax.net.ssl.SSLServerSocketFactory;
 import org.jose4j.jwa.AlgorithmConstraints.ConstraintType;
 import org.jose4j.jwk.RsaJsonWebKey;
 import org.jose4j.jwk.RsaJwkGenerator;
+import org.jose4j.jwk.JsonWebKey.OutputControlLevel;
 import org.jose4j.jws.AlgorithmIdentifiers;
 import org.jose4j.jws.JsonWebSignature;
 import org.jose4j.jwt.JwtClaims;
@@ -41,32 +44,46 @@ public class Router<U extends User>{
 	private String[][] headers;
 	private ServerSocket serverSocket;
 
-	public Router() throws Exception{
+	public Router(){
 		this.logger = new Locker<>();
 		this.exceptions = new Locker<>();
 		int types = RequestType.values().length;
 		this.mappers = new RouteMapper[types];
 		this.interceptors = new ArrayList<>();
 		for(RequestType type : RequestType.values()) this.mappers[type.ordinal()] = new RouteMapper<>(this);
-		this.rsaJsonWebKey = RsaJwkGenerator.generateJwk(2048);
 		this.headers = new String[types][0];
 	}
 	
-	public Router<U> configureJwt(Consumer<JwtConsumerBuilder> consumer, Consumer<JwtClaims> claims, Function<JwtClaims, U> userCreator){
-		JwtConsumerBuilder builder = new JwtConsumerBuilder()
-		.setRequireExpirationTime()
-		.setAllowedClockSkewInSeconds(30)
-		.setVerificationKey(rsaJsonWebKey.getKey())
-		.setJwsAlgorithmConstraints(ConstraintType.PERMIT, AlgorithmIdentifiers.RSA_USING_SHA256);
-		
-		consumer.accept(builder);
-		
-		this.jwtConsumer = builder.build();
-		this.claims = claims;
-		this.userCreator = userCreator;
+	public Router<U> configureJwt(Consumer<JwtConsumerBuilder> consumer, Consumer<JwtClaims> claims, Function<JwtClaims, U> userCreator) throws Exception{
+		this.rsaJsonWebKey = RsaJwkGenerator.generateJwk(2048);
+		configureJwtWithKey(consumer, claims, userCreator, this.rsaJsonWebKey.getKey());
 		return this;
 	}
 	
+	public Router<U> configureJwt(Consumer<JwtConsumerBuilder> consumer, Consumer<JwtClaims> claims, Function<JwtClaims, U> userCreator, Map<String, Object> keyParams) throws Exception{
+		this.rsaJsonWebKey = new RsaJsonWebKey(keyParams);
+		configureJwtWithKey(consumer, claims, userCreator, this.rsaJsonWebKey.getKey());
+		return this;
+	}
+	
+	private void configureJwtWithKey(Consumer<JwtConsumerBuilder> consumer, Consumer<JwtClaims> claims, Function<JwtClaims, U> userCreator, Key key) throws Exception{
+		JwtConsumerBuilder builder = new JwtConsumerBuilder()
+			.setRequireExpirationTime()
+			.setAllowedClockSkewInSeconds(30)
+			.setVerificationKey(key)
+			.setJwsAlgorithmConstraints(ConstraintType.PERMIT, AlgorithmIdentifiers.RSA_USING_SHA256);
+				
+			consumer.accept(builder);
+				
+			this.jwtConsumer = builder.build();
+			this.claims = claims;
+			this.userCreator = userCreator;
+	}
+	
+	public Map<String, Object> exportJwtKey(){
+		return this.rsaJsonWebKey.toParams(OutputControlLevel.INCLUDE_PRIVATE);
+	}
+	
 	public Router<U> addDefaultHeaders(RequestType type, String... headers){
 		String[] origin = this.headers[type.ordinal()]; 
 		String[] copy = new String[origin.length+headers.length];