From c4140da86bcb4c79381f46035cda7c572e485e4e Mon Sep 17 00:00:00 2001
From: Greg Herbowicz <herbowicz@users.noreply.github.com>
Date: Wed, 31 Jan 2018 12:14:39 +0100
Subject: [PATCH 1/4] nothing found

---
 app/zadanie01.js | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/app/zadanie01.js b/app/zadanie01.js
index 842f75e..980e4ce 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');
+
+const algorithm = ['aes192', 'aes-256-cbc', 'aes-256-ecb'];
+const password = ['??TegoHasła', 'CodersLab', 'Node.js Szyfruje Pliki', 'Zaźółć Gęślą Jaźń', 'Moje Haslo 1@3!', '111#$((@)n', 'Dzisiaj Szyfruje 83'];
+
+password.forEach(pass => {
+  algorithm.forEach(alg => {
+    const decipher = crypto.createDecipher(alg, pass);
+    let decrypted = decipher.update(MY_PWD_HASH, 'hex', 'utf8');
+    try {
+      decrypted += decipher.final('utf8');
+      console.log(decrypted);
+    } catch (err) {
+      console.log('złe hasło');
+    }
+  });
+});

From cb1210aa3d7ced0ebfaf925b616a0d1511ce9b4d Mon Sep 17 00:00:00 2001
From: Greg Herbowicz <herbowicz@users.noreply.github.com>
Date: Wed, 31 Jan 2018 12:27:58 +0100
Subject: [PATCH 2/4] ok

---
 app/zadanie01.js | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/app/zadanie01.js b/app/zadanie01.js
index 980e4ce..11f3769 100644
--- a/app/zadanie01.js
+++ b/app/zadanie01.js
@@ -1,19 +1,13 @@
-const MY_PWD_HASH = '5dca0fc4e306d92b2077ad85e7c4bd87a3e8648e';
-
 const crypto = require('crypto');
+const MY_PWD_HASH = '5dca0fc4e306d92b2077ad85e7c4bd87a3e8648e';
 
-const algorithm = ['aes192', 'aes-256-cbc', 'aes-256-ecb'];
 const password = ['??TegoHasła', 'CodersLab', 'Node.js Szyfruje Pliki', 'Zaźółć Gęślą Jaźń', 'Moje Haslo 1@3!', '111#$((@)n', 'Dzisiaj Szyfruje 83'];
+const algorithm = ['sha256', 'sha512', 'md5', 'rmd160'];
 
 password.forEach(pass => {
   algorithm.forEach(alg => {
-    const decipher = crypto.createDecipher(alg, pass);
-    let decrypted = decipher.update(MY_PWD_HASH, 'hex', 'utf8');
-    try {
-      decrypted += decipher.final('utf8');
-      console.log(decrypted);
-    } catch (err) {
-      console.log('złe hasło');
-    }
+    const hash = crypto.createHmac(alg, pass)
+      .digest('hex');
+    hash === MY_PWD_HASH && console.log('hasło: ', pass, 'algorytm: ', alg);
   });
 });

From c6d0735a862c8f33293577ce3b951bf4170a8866 Mon Sep 17 00:00:00 2001
From: Greg Herbowicz <herbowicz@users.noreply.github.com>
Date: Wed, 31 Jan 2018 12:45:51 +0100
Subject: [PATCH 3/4] Update zadanieDnia1.js
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

wychoddzi inny 'sha256' niż jest w treści zad.:
3843d52c1d256ddd5137d7665d743ab153fe39067572564a41659c388548d794
zamiast
4f7ae6569b55cb6275423ca1cdf31475e607da1d5204c110a58fb480c96e6eca
---
 app/zadanieDnia1.js | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/app/zadanieDnia1.js b/app/zadanieDnia1.js
index 8c20173..5dfea44 100644
--- a/app/zadanieDnia1.js
+++ b/app/zadanieDnia1.js
@@ -1 +1,12 @@
-//Twój kod
\ No newline at end of file
+const fs = require('fs');
+const crypto = require('crypto');
+
+fs.readFile(process.argv[2], 'utf8', (err, data) => {
+  if (err === null) {
+    const hash = crypto.createHmac('sha256', data)
+        .digest('hex');
+    console.log(hash); 
+  } else {
+    console.log('Błąd podczas odczytu pliku!', err);
+  }
+});

From b02348c24e1445c6017f3f17025392dfd6e13ee9 Mon Sep 17 00:00:00 2001
From: Greg Herbowicz <herbowicz@users.noreply.github.com>
Date: Wed, 31 Jan 2018 13:15:47 +0100
Subject: [PATCH 4/4] Update zadanieDnia2.js

---
 app/zadanieDnia2.js | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/app/zadanieDnia2.js b/app/zadanieDnia2.js
index 85846f4..edc24cd 100644
--- a/app/zadanieDnia2.js
+++ b/app/zadanieDnia2.js
@@ -1,3 +1,22 @@
 const ENCRYPTED_TEXT = '4f9fa8f98650091c4910f5b597773c0a48278cfb001fe4eb3ff47ada85cbf0ed3dc17016b031e1459e6e4d9b001ab6e102c11e834a98dce9530c9668c47b76ee6f09d075d19a38e48b415e067c6ddcfad0d3526c405a4f4f2fb1e7502f303c40';
 
-//Twój kod
\ No newline at end of file
+const crypto = require('crypto');
+
+let pass = '';
+const text = "Pobawmy się jak komputerowy Detektyw".split(' ').forEach(word => {
+  pass += word[0] + word[word.length - 1];
+});
+console.log(pass);
+
+const algorithm = ['aes192', 'aes-256-cbc', 'aes-256-ecb'];
+
+algorithm.forEach(alg => {
+  const decipher = crypto.createDecipher(alg, pass);
+  let decrypted = decipher.update(ENCRYPTED_TEXT, 'hex', 'utf8');
+  try {
+    decrypted += decipher.final('utf8');
+    console.log(decrypted);
+  } catch (err) {
+    console.log('zły algorytm');
+  }
+});