diff --git a/src/main.js b/src/main.js
--- a/src/main.js
+++ b/src/main.js
@@ -1,59 +1,59 @@
 import * as util from "./util.js";
 import {blake2s} from "./blake.js";
 import {pbkdf2} from "./pbkdf2.js";
-import {Chacha20,encrypt as _encrypt,decrypt as _decrypt} from "./chacha.js";
+import {Chacha20, encrypt as _encrypt, decrypt as _decrypt} from "./chacha.js";
 
-const VERSION=1;
-const MAX_ITERS=24;
+const VERSION = 1;
+const MAX_ITERS = 24;
 
-function encrypt(s,password){
-	let bs=util.str2utf8(s);
-	let pass=util.str2utf8(password);
-	let salt=util.createRandomNonce(12);
-	let [iters,key]=stretchKey(pass,salt);
-	let [_,ciphertext]=_encrypt(bs,key,salt);
-	let signature=blake2s([VERSION,iters].concat(salt,ciphertext),16,key);
-	let arr=[VERSION,iters].concat(signature,salt,ciphertext);
+function encrypt(s, password) {
+	let bs = util.str2utf8(s);
+	let pass = util.str2utf8(password);
+	let salt = util.createRandomNonce(12);
+	let [iters, key] = stretchKey(pass, salt);
+	let [_, ciphertext] = _encrypt(bs, key, salt);
+	let signature = blake2s([VERSION, iters].concat(salt, ciphertext), 16, key);
+	let arr = [VERSION, iters].concat(signature, salt, ciphertext);
 	return util.bytes2base64(arr);
 }
 
-function decrypt(s,password){
-	let pass=util.str2utf8(password);
-	let arr=util.base642bytes(s);
-	let version=arr[0];
-	let iters=arr[1];
-	let signature=arr.slice(2,18);
-	let salt=arr.slice(18,30);
-	let ciphertext=arr.slice(30);
-	
-	if(ciphertext.length==0){return 4;}
-	if(version>VERSION){return 2;}
-	if(iters>MAX_ITERS){return 3;}
-	let key=pbkdf2(pass,salt,1<<iters,32);
-	let check=blake2s([version,iters].concat(salt,ciphertext),16,key);
-	if(!signature.every((b,i)=>b===check[i])){return 1;}
-	let plainbytes=_decrypt(ciphertext,key,salt);
+function decrypt(s, password) {
+	let pass = util.str2utf8(password);
+	let arr = util.base642bytes(s);
+	let version = arr[0];
+	let iters = arr[1];
+	let signature = arr.slice(2, 18);
+	let salt = arr.slice(18, 30);
+	let ciphertext = arr.slice(30);
+
+	if (ciphertext.length == 0) {return 4;}
+	if (version > VERSION) {return 2;}
+	if (iters > MAX_ITERS) {return 3;}
+	let key = pbkdf2(pass, salt, 1 << iters, 32);
+	let check = blake2s([version, iters].concat(salt, ciphertext), 16, key);
+	if (!signature.every((b, i) => b === check[i])) {return 1;}
+	let plainbytes = _decrypt(ciphertext, key, salt);
 	return util.utf82str(plainbytes);
 }
 
-function stretchKey(password,salt){
-	let start=Date.now(); // ms
-	let i,key;
-	for(i=0;i<=MAX_ITERS;i++){
-		key=pbkdf2(password,salt,1<<i,32);
-		if(Date.now()-start>=500){break;}
+function stretchKey(password, salt) {
+	let start = Date.now(); // ms
+	let i, key;
+	for (i = 0; i <= MAX_ITERS; i++) {
+		key = pbkdf2(password, salt, 1<<i, 32);
+		if (Date.now()-start >= 500) {break;}
 	}
-	return [i,key];
+	return [i, key];
 }
 
-export default {util,blake2s,pbkdf2,Chacha20,encrypt,decrypt};
+export default {util, blake2s, pbkdf2, Chacha20, encrypt, decrypt};
 
 // export for tests running on Node
-if(typeof module!=='undefined'&&module.hasOwnProperty('exports')){
-	module.exports.util=util;
-	module.exports.blake2s=blake2s;
-	module.exports.pbkdf2=pbkdf2;
-	module.exports.Chacha20=Chacha20;
-	module.exports.encrypt=_encrypt;
-	module.exports.decrypt=_decrypt;
+if (typeof module !== 'undefined' && module.hasOwnProperty('exports')) {
+	module.exports.util = util;
+	module.exports.blake2s = blake2s;
+	module.exports.pbkdf2 = pbkdf2;
+	module.exports.Chacha20 = Chacha20;
+	module.exports.encrypt = _encrypt;
+	module.exports.decrypt = _decrypt;
 }