public static void saveData(List <PreQuisite> Table)
{
StreamWriter PreqFile = new StreamWriter("prerequisite.txt");
CryptoSymmetric crypto = new CryptoDES(new byte[] { 158, 23, 64, 96, 57, 225, 36, 85 });
foreach (var item in Table)
{
var tempString = item.Course1.Id.ToString() + "\t" + item.Course2.Id.ToString() + "\t" + item.Status.ToString();
PreqFile.WriteLine(crypto.Encrypt(tempString));
}
PreqFile.Close();
}
public static void saveData(List <Term> termTable)
{
StreamWriter termFile = new StreamWriter("term.txt");
CryptoSymmetric crypto = new CryptoDES(new byte[] { 158, 23, 64, 96, 57, 225, 36, 85 });
foreach (var item in termTable)
{
var tempString = item.TermNum.ToString() + "\t" + item.TermName.ToString();
termFile.WriteLine(crypto.Encrypt(tempString));
}
termFile.Close();
}
public static void saveData(List <Course> CourseTable)
{
StreamWriter CourseFile = new StreamWriter("course.txt");
CryptoSymmetric crypto = new CryptoDES(new byte[] { 158, 23, 64, 96, 57, 225, 36, 85 });
foreach (var item in CourseTable)
{
var tempString = String.Format("{0}\t{1}\t{2}\t{3}", item.Id, item.ECT, item.Name, item.type);
CourseFile.WriteLine(crypto.Encrypt(tempString));
}
CourseFile.Close();
}
public static void saveData(List <Clerk> ClerkTable)
{
StreamWriter ClerkFile = new StreamWriter("clerk.txt");
CryptoSymmetric crypto = new CryptoDES(new byte[] { 158, 23, 64, 96, 57, 225, 36, 85 });
foreach (var item in ClerkTable)
{
var tempString = item.Id.ToString() + "\t" + item.FirstName.ToString() + "\t" + item.LastName.ToString() + "\t" + item.Password.ToString();
ClerkFile.WriteLine(crypto.Encrypt(tempString));
}
ClerkFile.Close();
}
public static void saveData(List <TermCourseStudent> termCourseStudentTable)
{
StreamWriter termCourseStudentFile = new StreamWriter("termcoursestudent.txt");
CryptoSymmetric crypto = new CryptoDES(new byte[] { 158, 23, 64, 96, 57, 225, 36, 85 });
foreach (var item in termCourseStudentTable)
{
var tempString = item.Mark.ToString() + "\t" + item.AnswerToObjection.ToString() + "\t" + item.ObjectionToMark.ToString() + "\t" + item.TermCourse.Id.ToString() + "\t" + item.Student.Id.ToString() + "\t" + item.Status.ToString();
termCourseStudentFile.WriteLine(crypto.Encrypt(tempString));
}
termCourseStudentFile.Close();
}
public static void saveData(List <TermCourse> termCourseTable)
{
StreamWriter file = new StreamWriter("termcourse.txt");
CryptoSymmetric crypto = new CryptoDES(new byte[] { 158, 23, 64, 96, 57, 225, 36, 85 });
foreach (var item in termCourseTable)
{
var tempString = item.Id.ToString() + "\t" + item.Course.Id.ToString() + "\t" + item.Term.TermNum.ToString() + "\t" + item.Teacher.Id.ToString() + "\t" + item.Time + "\t" + item.Place + "\t" + item.Capacity;
file.WriteLine(crypto.Encrypt(tempString));
}
file.Close();
}
public static void saveData(List <Student> studentTable)
{
StreamWriter file = new StreamWriter("student.txt");
CryptoSymmetric crypto = new CryptoDES(new byte[] { 158, 23, 64, 96, 57, 225, 36, 85 });
foreach (var item in studentTable)
{
var tempString = item.Id.ToString() + "\t" + item.FirstName.ToString() + "\t" + item.LastName.ToString() + "\t" + item.Password.ToString() + "\t" + item.EntranceYear;
file.WriteLine(crypto.Encrypt(tempString));
}
file.Close();
}
public void CryptoDES_RandomIV_Test()
{
//Arrange
byte[] key = { 158, 23, 64, 96, 57, 225, 36, 85 };
CryptoSymmetric crypto = new CryptoDES(key);
string originalMessage = "I love cryptography and DES with a 64-bits key";
string encryptedMessage = crypto.Encrypt(originalMessage);
//Act
string decryptedMessage = crypto.Decrypt(encryptedMessage);
//Assert
Assert.AreNotEqual(originalMessage, encryptedMessage);
Assert.AreEqual(originalMessage, decryptedMessage);
}
public void CryptoDES_FixedIV_Test()
{
//Arrange
byte[] key = { 158, 23, 64, 96, 57, 225, 36, 85 };
byte[] iv = { 63, 208, 159, 46, 37, 77, 1, 59 };
CryptoSymmetric crypto = new CryptoDES(key);
crypto.SetIV(iv);
string originalMessage = "I love cryptography and DES with a 64-bits key";
string encryptedMessage = crypto.Encrypt(originalMessage);
//Act
string decryptedMessage = crypto.Decrypt(encryptedMessage);
//Assert
Assert.AreNotEqual(originalMessage, encryptedMessage);
Assert.AreEqual(originalMessage, decryptedMessage);
}
