diff --git a/app/zadanie01.js b/app/zadanie01.js
index 842f75e..33f7082 100644
--- a/app/zadanie01.js
+++ b/app/zadanie01.js
@@ -1,3 +1,19 @@
 const MY_PWD_HASH = '5dca0fc4e306d92b2077ad85e7c4bd87a3e8648e';
 
-//Twój kod
\ No newline at end of file
+const crypto = require('crypto');
+var algs = ['sha256', 'sha512', 'md5', 'rmd160'];
+
+var pwds = [ '??TegoHasła', 'CodersLab', 'Node.js Szyfruje Pliki' , 'Zaźółć Gęślą Jaźń' , 'Moje Haslo 1@3!' , '111#$((@)n', 'Dzisiaj Szyfruje 83' ];
+
+algs.forEach(alg => {
+    pwds.forEach(pwd => {
+        var hash= crypto.createHmac(alg, pwd)
+        .digest('hex');
+
+        if (MY_PWD_HASH===hash) {
+            console.log('algorytm: '+ alg + ', hasło: ' + pwd);
+        }
+
+    })
+   
+});
\ No newline at end of file
diff --git a/app/zadanieDnia1.js b/app/zadanieDnia1.js
index 8c20173..4264777 100644
--- a/app/zadanieDnia1.js
+++ b/app/zadanieDnia1.js
@@ -1 +1,25 @@
-//Twój kod
\ No newline at end of file
+//Twój kod
+var path;
+var count = 0;
+const crypto = require('crypto');
+const fs=require('fs');
+
+process.argv.forEach((val, index) => {
+    if (count ===2) {
+        path = val;
+
+    }
+    count++;
+});
+
+fs.readFile(path , 'utf8', (err, data) => {
+    if (err === null){
+        var hash= crypto.createHmac('sha256', data)
+        .digest('hex');
+
+        console.log(hash);
+
+    } else {
+        console.log('Błąd podczas odczytu pliku!', err);
+    }
+});