protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.Entity <UserModel>().HasData(
new UserModel
{
UserName = "******",
Email = "*****@*****.**",
Password = SecurityAes.Encrypt("admin@admin"),
Role = "public::admin"
});
}
public static string decryptMessage(string _messageFile, byte[] aesKeyBytes, byte[] IV)
{
using (Aes myAes = Aes.Create())
{
myAes.Key = aesKeyBytes;
myAes.IV = IV;
var test = File.ReadAllBytes(_messageFile);
string filevalue = FileUtility.getString(_messageFile);
var encryptedFromFile = System.Text.Encoding.Unicode.GetBytes(filevalue);
var testdata = SecurityAes.DecryptStringFromBytes_Aes(test,
myAes.Key, myAes.IV);
return(testdata);
}
}
public static void aosEncryption(string text, User _senderUser, User _recieverUser, byte[] iv)
{
var csp = new RSACryptoServiceProvider(2048);
using (Aes myAes = Aes.Create())
{
myAes.IV = iv;
//encrypt text with aes key
byte[] encrypted = SecurityAes.EncryptStringToBytes_Aes(text,
myAes.Key, myAes.IV);
Console.WriteLine("hulp: " + Convert.ToBase64String(myAes.IV));
//add message
string _encryptedText = Convert.ToBase64String(encrypted);
int fileVersion = 0;
string _fileName;
do
{
fileVersion++;
_fileName = string.Format("{0}-MessageFile-{1}.dat", _recieverUser.getUserName(), fileVersion);
} while (FileUtility.CheckFileExist(_fileName));
//Save encrypted message
File.WriteAllBytes(_fileName, encrypted);
Console.WriteLine(string.Format("Text encrypted and saved as: {0}", _fileName));
//import pubkey to rsa
csp = new RSACryptoServiceProvider();
csp.ImportParameters(_recieverUser.getPubKey());
// encrypt aesKey with pub RSAkey
var aesKeyEncrypted = csp.Encrypt(myAes.Key, false);
//string _encryptedAesKey = Convert.ToBase64String(aesKeyEncrypted);
do
{
_fileName = string.Format("{0}-EncryptedAesKey-{1}.dat", _recieverUser.getUserName(), fileVersion);
} while (FileUtility.CheckFileExist(_fileName));
//Save encrypted aesKey
File.WriteAllBytes(_fileName, aesKeyEncrypted);
Console.WriteLine(string.Format("AesKey encrypted and saved as: {0}", _fileName));
//Chech for MD5 files
do
{
_fileName = string.Format("{0}-EncryptedHash-{1}.dat", _recieverUser.getUserName(), fileVersion);
} while (FileUtility.CheckFileExist(_fileName));
Console.WriteLine(string.Format("Testing hash:"));
byte[] oorspronkelijkebootschap = System.Text.Encoding.ASCII.GetBytes(text);
var singedData = _senderUser.HashAndSign(oorspronkelijkebootschap);
var d = _senderUser.VerifyHash(_senderUser.getPubKey(), oorspronkelijkebootschap, singedData);
Console.WriteLine(" signature {0}", d);
//Creating file with name _FileName
File.WriteAllBytes(_fileName, singedData);
Console.WriteLine(string.Format("Hash saved as: {0}", _fileName));
SHA1Managed sha = new SHA1Managed();
var hashcode = sha.ComputeHash(encrypted);
var teststring = Convert.ToBase64String(hashcode);
Console.WriteLine("signature {0}", teststring);
}
}
