Exemplo n.º 1
0
        public static void ProcessDecryptTripleDESAction()
        {
            Console.WriteLine("===============================================================================");
            Console.WriteLine("Please enter path to encrypted file:");
            byte[] encriptedFileBytes;
            while (true)
            {
                var encryptedPath = Console.ReadLine();
                if (!File.Exists(encryptedPath))
                {
                    Console.WriteLine("Invalid file path! try again");
                    continue;
                }
                encriptedFileBytes = File.ReadAllBytes(encryptedPath);
                break;
            }
            Console.WriteLine("Please enter path to key file:");
            byte[] keyFileBytes;
            while (true)
            {
                var keyFilePath = Console.ReadLine();
                if (!File.Exists(keyFilePath))
                {
                    Console.WriteLine("Invalid file path! try again");
                    continue;
                }
                keyFileBytes = File.ReadAllBytes(keyFilePath);
                break;
            }
            Console.WriteLine("Please enter path to initialization vector file:");
            byte[] vectorFileBytes;
            while (true)
            {
                var vectorFilePath = Console.ReadLine();
                if (!File.Exists(vectorFilePath))
                {
                    Console.WriteLine("Invalid file path! try again");
                    continue;
                }
                vectorFileBytes = File.ReadAllBytes(vectorFilePath);
                break;
            }

            TripleDesService.DecryptTripleDES(encriptedFileBytes, keyFileBytes, vectorFileBytes);
            Console.WriteLine("===============================================================================\n");
        }
Exemplo n.º 2
0
        static void Main(string[] args)
        {
            while (true)
            {
                bool isExit = false;

                Console.WriteLine("Please select an action:");
                Console.WriteLine("1) Encrypt using TripleDES;\n2) Encrypt using RSACng;\n3) Create DSA Sign;\n4) Get SHA384Managed Hash;\n5) Decrypt TripleDES file using key file\n6) Decrypt using RSACng \n7) Exit");
                var selected = Console.ReadLine();
                int action;
                var isValid = int.TryParse(selected, out action);

                if (!isValid)
                {
                    Console.WriteLine("Ivalid input!");
                    continue;
                }

                switch ((Actions)action)
                {
                case Actions.EncryptTripleDES:
                    Console.WriteLine("===============================================================================");
                    Console.WriteLine("Please enter value that will be encrypted:");
                    var value = Console.ReadLine();
                    TripleDesService.EncryptTripleDES(value);
                    Console.WriteLine("===============================================================================\n");
                    break;

                case Actions.DecryptTripleDES:
                    ProcessDecryptTripleDESAction();
                    break;

                case Actions.RSACngEncrypt:
                    Console.WriteLine("===============================================================================");
                    Console.WriteLine("Please enter path to file that will be encrypted:");
                    var encryptFilePath    = Console.ReadLine();
                    var encriptedFileBytes = File.ReadAllBytes(encryptFilePath);
                    var keys      = RSACngService.GenerateKeys();
                    var encrypted = RSACngService.Encrypt(keys[RSACngService.PublicKeyName], encriptedFileBytes);

                    Console.WriteLine($"Encrypted data: {System.Text.Encoding.UTF8.GetString(encrypted)}");
                    Console.WriteLine("===============================================================================\n");
                    break;

                case Actions.RSACngDecrypt:
                    Console.WriteLine("===============================================================================");
                    Console.WriteLine("Please enter path to file that will be decrypted:");
                    var decryptFilePath  = Console.ReadLine();
                    var decryptFileBytes = File.ReadAllBytes(decryptFilePath);
                    Console.WriteLine($"Encrypted data: {System.Text.Encoding.UTF8.GetString(decryptFileBytes)}");

                    Console.WriteLine("Please enter path to file with private key:");
                    var privateKeyFilePath  = Console.ReadLine();
                    var privateKeyFileBytes = File.ReadAllBytes(privateKeyFilePath);

                    var decrypted = RSACngService.Decrypt(privateKeyFileBytes, decryptFileBytes);

                    Console.WriteLine($"Decrypted data: {System.Text.Encoding.UTF8.GetString(decrypted)}");
                    Console.WriteLine("===============================================================================\n");
                    break;

                case Actions.DSA:
                    Console.WriteLine("===============================================================================");
                    Console.WriteLine("Please enter path to file:");
                    var signatureFilePath  = Console.ReadLine();
                    var signatureFileBytes = File.ReadAllBytes(signatureFilePath);
                    var service            = new DSACngService();
                    var signature          = service.CreateSignature(signatureFileBytes);
                    Console.WriteLine($"Signature: {System.Text.Encoding.UTF8.GetString(signature)}");
                    break;

                case Actions.SHA384Managed:
                    Console.WriteLine("===============================================================================");
                    Console.WriteLine("Please enter path to file:");
                    var    hashFilePath  = Console.ReadLine();
                    var    hashFileBytes = File.ReadAllBytes(hashFilePath);
                    SHA384 shaM          = new SHA384Managed();
                    var    result        = shaM.ComputeHash(hashFileBytes);
                    Console.WriteLine($"File SHA384Managed Hash: {System.Text.Encoding.UTF8.GetString(result)}");
                    break;

                case Actions.Exit:
                    isExit = true;
                    break;

                default:
                    Console.WriteLine("Ivalid input!");
                    break;
                }

                if (isExit)
                {
                    break;
                }
                continue;
            }
        }