diff --git a/model/KeystrokeAction.ts b/model/KeystrokeAction.ts
index 13f7d1a8..e5059222 100644
--- a/model/KeystrokeAction.ts
+++ b/model/KeystrokeAction.ts
@@ -20,7 +20,7 @@ class KeystrokeAction implements Serializable {
     }
 
     toBinary(buffer: UhkBuffer) {
-        buffer.writeUint8(this.scancode);
-        buffer.writeUint8(this.modifierMask);
+        buffer.writeUInt8(this.scancode);
+        buffer.writeUInt8(this.modifierMask);
     } 
 }
diff --git a/model/UhkBuffer.ts b/model/UhkBuffer.ts
index 1e1a3a00..4bc2d330 100644
--- a/model/UhkBuffer.ts
+++ b/model/UhkBuffer.ts
@@ -7,39 +7,79 @@ class UhkBuffer {
         this.buffer = buffer;
     }
 
+    readInt8():number {
+        let value = this.buffer.readInt8(this.offset);
+        this.offset += 1;
+        return value;
+    }
+
     writeInt8(value:number):void {
         this.buffer.writeInt8(value, this.offset);
         this.offset += 1;
     }
 
-    writeUint8(value:number):void {
+    readUInt8():number {
+        let value = this.buffer.readUInt8(this.offset);
+        this.offset += 1;
+        return value;
+    }
+
+    writeUInt8(value:number):void {
         this.buffer.writeUInt8(value, this.offset);
         this.offset += 1;
     }
 
+    readInt16():number {
+        let value = this.buffer.readInt16LE(this.offset);
+        this.offset += 2;
+        return value;
+    }
+
     writeInt16(value:number):void {
         this.buffer.writeInt16LE(value, this.offset);
         this.offset += 2;
     }
 
-    writeUint16(value:number):void {
+    readUInt16():number {
+        let value = this.buffer.readUInt16LE(this.offset);
+        this.offset += 2;
+        return value;
+    }
+
+    writeUInt16(value:number):void {
         this.buffer.writeUInt16LE(value, this.offset);
         this.offset += 2;
     }
 
+    readInt32():number {
+        let value = this.buffer.readInt32LE(this.offset);
+        this.offset += 4;
+        return value;
+    }
+
     writeInt32(value:number):void {
         this.buffer.writeInt32LE(value, this.offset);
         this.offset += 4;
     }
 
-    writeUint32(value:number):void {
+    readUInt32():number {
+        let value = this.buffer.readUInt32LE(this.offset);
+        this.offset += 4;
+        return value;
+    }
+
+    writeUInt32(value:number):void {
         this.buffer.writeUInt32LE(value, this.offset);
         this.offset += 4;
     }
 
+    readString(string:string):void {
+        // to be implemented
+    }
+
     writeString(string:string):void {
         this.buffer.write(string, this.offset, string.length, 'ascii');
         this.offset += string.length;
-        this.writeUint8(0);
+        this.writeUInt8(0);
     }
 }
diff --git a/model/serializeConfig.ts b/model/serializeConfig.ts
index a73488f6..c1b923bd 100644
--- a/model/serializeConfig.ts
+++ b/model/serializeConfig.ts
@@ -55,7 +55,7 @@ function serializeKeyActions(keyActions) {
     keyActions.forEach(function(keyAction) {
         serializeKeyAction(keyAction);
     });
-    writer.writeUint8(ARRAY_LAST_ELEMENT_ID);
+    writer.writeUInt8(ARRAY_LAST_ELEMENT_ID);
 }
 
 function serializeKeyAction(keyAction) {
@@ -87,17 +87,17 @@ function serializeKeyAction(keyAction) {
 }
 
 function serializeNoneAction() {
-    writer.writeUint8(KEY_ACTION_ID_NONE);
-    writer.writeUint8(NONE_ACTION_PADDING);
+    writer.writeUInt8(KEY_ACTION_ID_NONE);
+    writer.writeUInt8(NONE_ACTION_PADDING);
 }
 
 function serializeKeystrokeAction(keystrokeAction) {
-    writer.writeUint8(keystrokeAction.scancode);
-    writer.writeUint8(keystrokeAction.modifiers);
+    writer.writeUInt8(keystrokeAction.scancode);
+    writer.writeUInt8(keystrokeAction.modifiers);
 }
 
 function serializeDualRoleKeyAction(dualRoleKeyAction) {
-    writer.writeUint8({
+    writer.writeUInt8({
         mod         : KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_MOD,
         fn          : KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_FN,
         mouse       : KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_MOUSE,
@@ -110,12 +110,12 @@ function serializeDualRoleKeyAction(dualRoleKeyAction) {
         rightAlt    : KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_RIGHT_ALT,
         rightSuper  : KEY_ACTION_ID_DUAL_ROLE_KEYSTROKE_RIGHT_SUPER
     }[dualRoleKeyAction.longPressAction]);
-    writer.writeUint8(dualRoleKeyAction.scancode);
+    writer.writeUInt8(dualRoleKeyAction.scancode);
 }
 
 function serializeMouseAction(mouseAction) {
-    writer.writeUint8(KEY_ACTION_ID_MOUSE);
-    writer.writeUint8({
+    writer.writeUInt8(KEY_ACTION_ID_MOUSE);
+    writer.writeUInt8({
         leftClick  : MOUSE_ACTION_ID_LEFT_CLICK,
         middleClick: MOUSE_ACTION_ID_MIDDLE_CLICK,
         rightClick : MOUSE_ACTION_ID_RIGHT_CLICK,
@@ -133,18 +133,18 @@ function serializeMouseAction(mouseAction) {
 }
 
 function serializeMacroAction(macroAction) {
-    writer.writeUint8(KEY_ACTION_ID_PLAY_MACRO);
-    writer.writeUint8(macroAction.macroId);
+    writer.writeUInt8(KEY_ACTION_ID_PLAY_MACRO);
+    writer.writeUInt8(macroAction.macroId);
 }
 
 function serializeSwitchKeymapAction(switchKeymapAction) {
-    writer.writeUint8(KEY_ACTION_ID_SWITCH_KEYMAP);
-    writer.writeUint8(switchKeymapAction.keymapId);
+    writer.writeUInt8(KEY_ACTION_ID_SWITCH_KEYMAP);
+    writer.writeUInt8(switchKeymapAction.keymapId);
 }
 
 function serializeSwitchLayerAction(switchLayerAction) {
-    writer.writeUint8(KEY_ACTION_ID_SWITCH_LAYER);
-    writer.writeUint8({
+    writer.writeUInt8(KEY_ACTION_ID_SWITCH_LAYER);
+    writer.writeUInt8({
         mod  : SWITCH_LAYER_MOD,
         fn   : SWITCH_LAYER_FN,
         mouse: SWITCH_LAYER_MOD