From c29324452d222ed44b54e0db78cc51411d6fc4c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Dadlez?= <lukaszdadlez@gmail.com>
Date: Wed, 31 Jan 2018 23:16:19 +0100
Subject: [PATCH] =?UTF-8?q?rozwi=C4=85zania?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/zadanie01.js    | 12 +++++++++++-
 app/zadanieDnia1.js | 20 +++++++++++++++++++-
 app/zadanieDnia2.js | 17 ++++++++++++++++-
 3 files changed, 46 insertions(+), 3 deletions(-)

diff --git a/app/zadanie01.js b/app/zadanie01.js
index 842f75e..c2a56c8 100644
--- a/app/zadanie01.js
+++ b/app/zadanie01.js
@@ -1,3 +1,13 @@
+const crypto = require('crypto');
 const MY_PWD_HASH = '5dca0fc4e306d92b2077ad85e7c4bd87a3e8648e';
 
-//Twój kod
\ No newline at end of file
+//Twój kod
+const passwords = ['??TegoHasła', 'CodersLab', 'Node.js Szyfruje Pliki', 'Zaźółć Gęślą Jaźń', 'Moje Haslo 1@3!', '111#$((@)n', 'Dzisiaj Szyfruje 83'];
+const algorythms = ['sha256', 'sha512', 'md5', 'rmd160'];
+
+passwords.forEach(pswd => {
+  algorythms.forEach(algorythm => {
+    const result = crypto.createHmac(algorythm, pswd);
+    console.log(result.digest('hex') === MY_PWD_HASH ? '-> ' : '   ', algorythm, `"${pswd}"`);
+  });
+});
\ No newline at end of file
diff --git a/app/zadanieDnia1.js b/app/zadanieDnia1.js
index 8c20173..d678a81 100644
--- a/app/zadanieDnia1.js
+++ b/app/zadanieDnia1.js
@@ -1 +1,19 @@
-//Twój kod
\ No newline at end of file
+//Twój kod
+const fs = require('fs');
+const crypto = require('crypto');
+
+const file = process.argv[2] || './data/zadanieDia1/testFile.txt';
+
+const controlSum = (file) => {
+  console.log('file: ', file);
+  fs.readFile(file, 'utf8', (err, data) => {
+    console.log('data: ', data);
+    if (!err) {
+      console.log('hash: ', crypto.createHmac('sha256', data).digest('hex'));
+    } else {
+      console.log('Błąd przy czytaniu pliku:\n', err);
+    }
+  });
+};
+
+controlSum(file); //czemu rezultat jest inny niż w poleceniu?
\ No newline at end of file
diff --git a/app/zadanieDnia2.js b/app/zadanieDnia2.js
index 85846f4..552e894 100644
--- a/app/zadanieDnia2.js
+++ b/app/zadanieDnia2.js
@@ -1,3 +1,18 @@
+const crypto = require('crypto');
 const ENCRYPTED_TEXT = '4f9fa8f98650091c4910f5b597773c0a48278cfb001fe4eb3ff47ada85cbf0ed3dc17016b031e1459e6e4d9b001ab6e102c11e834a98dce9530c9668c47b76ee6f09d075d19a38e48b415e067c6ddcfad0d3526c405a4f4f2fb1e7502f303c40';
 
-//Twój kod
\ No newline at end of file
+//Twój kod
+const password = 'PysęjkkyDw';
+const algorythms = ['aes192', 'aes-256-cbc', 'aes-256-ecb'];
+
+algorythms.forEach(algorythm => {
+  const decipher = crypto.createDecipher(algorythm, password);
+  let decrypted = decipher.update(ENCRYPTED_TEXT, 'hex', 'utf8');
+  try {
+    decrypted += decipher.final('utf8');
+    console.log(decrypted);
+  } 
+  catch (err) {
+    console.log(algorythm, 'nop');
+  }
+});
\ No newline at end of file