24-04-24 Password Manager

24-04-2024 Password Manager/PasswordManager.cpp

@@ -0,0 +1,66 @@
+#include <fstream>
+#include <iostream>
+#include <string>
+
+class PasswordManager {
+private:
+    std::string username;
+    std::string password;
+    int shift = 3;  // Shift value for Caesar cipher
+
+    std::string encrypt(const std::string& text) {
+        std::string encrypted_text;
+        for (char c : text) {
+            if (isalpha(c)) {
+                char base = isupper(c) ? 'A' : 'a';
+                c = ((c - base + shift) % 26) + base;
+            }
+            encrypted_text += c;
+        }
+        return encrypted_text;
+    }
+
+    std::string decrypt(const std::string& text) {
+        std::string decrypted_text;
+        for (char c : text) {
+            if (isalpha(c)) {
+                char base = isupper(c) ? 'A' : 'a';
+                c = ((c - base - shift + 26) % 26) + base;
+            }
+            decrypted_text += c;
+        }
+        return decrypted_text;
+    }
+
+public:
+    void setData(std::string username, std::string password) {
+        this->username = username;
+        this->password = password;
+    }
+
+    void saveToFile(std::string fileName) {
+        std::ofstream file;
+        file.open(fileName);
+        if (file.is_open()) {
+            file << encrypt(username) << "\n" << encrypt(password);
+            file.close();
+        } else {
+            std::cout << "Unable to open file for writing.\n";
+        }
+    }
+
+    void readFromFile(std::string fileName) {
+        std::ifstream file;
+        file.open(fileName);
+        if (file.is_open()) {
+            std::getline(file, username);
+            std::getline(file, password);
+            file.close();
+            username = decrypt(username);
+            password = decrypt(password);
+            std::cout << "Username: " << username << "\nPassword: " << password << "\n";
+        } else {
+            std::cout << "Unable to open file for reading.\n";
+        }
+    }
+};

24-04-2024 Password Manager/main.cpp

@@ -0,0 +1,39 @@
+#include <fstream>
+#include <iostream>
+#include <string>
+
+class PasswordManager {
+private:
+    std::string username;
+    std::string password;
+
+public:
+    void setData(std::string username, std::string password) {
+        this->username = username;
+        this->password = password;
+    }
+
+    void saveToFile(std::string fileName) {
+        std::ofstream file;
+        file.open(fileName);
+        if (file.is_open()) {
+            file << username << "\n" << password;
+            file.close();
+        } else {
+            std::cout << "Unable to open file for writing.\n";
+        }
+    }
+
+    void readFromFile(std::string fileName) {
+        std::ifstream file;
+        file.open(fileName);
+        if (file.is_open()) {
+            std::getline(file, username);
+            std::getline(file, password);
+            file.close();
+            std::cout << "Username: " << username << "\nPassword: " << password << "\n";
+        } else {
+            std::cout << "Unable to open file for reading.\n";
+        }
+    }
+};