diff --git a/src/lib/BufferUtils.ts b/src/lib/BufferUtils.ts
index a16d0ed0..4dc22aad 100644
--- a/src/lib/BufferUtils.ts
+++ b/src/lib/BufferUtils.ts
@@ -1,13 +1,13 @@
 export function hexToBytes(hex: string) {
-    return new Uint8Array((hex.match(/.{2}/g) || []).map(byte => parseInt(byte, 16)));
+    return new Uint8Array((hex.match(/.{2}/g) || []).map((byte) => parseInt(byte, 16)));
 }
 
 export function bytesToHex(bytes: Uint8Array) {
     const HEX_ALPHABET = '0123456789abcdef';
 
     let hex = '';
-    for (let i = 0; i < bytes.length; i++) {
-        const code = bytes[i];
+    for (const code of bytes) {
+        // tslint:disable:no-bitwise
         hex += HEX_ALPHABET[code >>> 4];
         hex += HEX_ALPHABET[code & 0x0F];
     }