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);
}
public static void loadData()
{
string line = "";
StreamReader studentFile = new StreamReader("student.txt");
CryptoSymmetric crypto = new CryptoDES(new byte[] { 158, 23, 64, 96, 57, 225, 36, 85 });
while ((line = studentFile.ReadLine()) != null)
{
line = crypto.Decrypt(line);
var items = line.Split('\t');
StudentTable.Add(new Student()
{
Id = int.Parse(items[0]), FirstName = items[1], LastName = items[2], Password = items[3], EntranceYear = items[4].ToString()
});
}
studentFile.Close();
StreamReader teacherFile = new StreamReader("teacher.txt");
crypto = new CryptoDES(new byte[] { 158, 23, 64, 96, 57, 225, 36, 85 });
while ((line = teacherFile.ReadLine()) != null)
{
line = crypto.Decrypt(line);
var items = line.Split('\t');
TeacherTable.Add(new Teacher()
{
Id = int.Parse(items[0]), FirstName = items[1], LastName = items[3], Password = items[3]
});
}
teacherFile.Close();
StreamReader courseFile = new StreamReader("course.txt");
crypto = new CryptoDES(new byte[] { 158, 23, 64, 96, 57, 225, 36, 85 });
while ((line = courseFile.ReadLine()) != null)
{
line = crypto.Decrypt(line);
var items = line.Split('\t');
CourseTable.Add(new Course()
{
Id = int.Parse(items[0]), ECT = int.Parse(items[1]), Name = items[2], type = items[3]
});
}
courseFile.Close();
StreamReader termFile = new StreamReader("term.txt");
crypto = new CryptoDES(new byte[] { 158, 23, 64, 96, 57, 225, 36, 85 });
while ((line = termFile.ReadLine()) != null)
{
line = crypto.Decrypt(line);
var items = line.Split('\t');
TermTable.Add(new Term()
{
TermNum = int.Parse(items[0])
,
TermName = items[1]
});
}
termFile.Close();
StreamReader prereQuisiteFile = new StreamReader("prerequisite.txt");
crypto = new CryptoDES(new byte[] { 158, 23, 64, 96, 57, 225, 36, 85 });
while ((line = prereQuisiteFile.ReadLine()) != null)
{
line = crypto.Decrypt(line);
var items = line.Split('\t');
preQuisiteTable.Add(new PreQuisite()
{
Course1 = (CourseTable.Select(x => x).Where(x => x.Id == int.Parse(items[0])).ToArray())[0]
,
Course2 = (CourseTable.Select(x => x).Where(x => x.Id == int.Parse(items[1])).ToArray())[0]
,
Status = items[2]
});
}
prereQuisiteFile.Close();
StreamReader termCourseFile = new StreamReader("termcourse.txt");
crypto = new CryptoDES(new byte[] { 158, 23, 64, 96, 57, 225, 36, 85 });
while ((line = termCourseFile.ReadLine()) != null)
{
line = crypto.Decrypt(line);
var items = line.Split('\t');
termCourseTable.Add(new TermCourse()
{
Id = int.Parse(items[0]),
Course = (CourseTable.Select(x => x).Where(x => x.Id == int.Parse(items[1])).ToArray())[0],
Term = (TermTable.Select(x => x).Where(x => x.TermNum == int.Parse(items[2])).ToArray())[0],
Teacher = (TeacherTable.Select(x => x).Where(x => x.Id == int.Parse(items[3])).ToArray())[0],
Time = int.Parse(items[4]),
Place = items[5],
Capacity = int.Parse(items[6])
});
;
}
termCourseFile.Close();
StreamReader termCourseStudentFile = new StreamReader("termcoursestudent.txt");
crypto = new CryptoDES(new byte[] { 158, 23, 64, 96, 57, 225, 36, 85 });
while ((line = termCourseStudentFile.ReadLine()) != null)
{
line = crypto.Decrypt(line);
var items = line.Split('\t');
termCourseStudentTable.Add(new TermCourseStudent()
{
Mark = double.Parse(items[0])
,
ObjectionToMark = items[1]
,
AnswerToObjection = items[2]
,
TermCourse = (termCourseTable.Select(x => x).Where(x => x.Id == int.Parse(items[3])).ToArray())[0]
,
Student = (StudentTable.Select(x => x).Where(x => x.Id == int.Parse(items[4])).ToArray())[0]
,
Status = items[5]
});
}
termCourseStudentFile.Close();
StreamReader clerkFile = new StreamReader("clerk.txt");
crypto = new CryptoDES(new byte[] { 158, 23, 64, 96, 57, 225, 36, 85 });
while ((line = clerkFile.ReadLine()) != null)
{
line = crypto.Decrypt(line);
var items = line.Split('\t');
ClerkTable.Add(new Clerk()
{
Id = int.Parse(items[0])
,
FirstName = items[1]
,
LastName = items[2]
,
Password = items[3]
});
}
clerkFile.Close();
}