public string Decrypt(Safer sfr, IProgress <int> progress, CancellationToken token, string iv = "12345678", int n = 8)
{
List <byte[]> listOfArraysOfEncryptedBytes = GetListOfArraysOfEncryptedBytesFromText(sfr.Text);
string decryptedText = "";
byte[] ivBytes = Encoding.Default.GetBytes(iv);
for (int i = 0; i < listOfArraysOfEncryptedBytes.Count; i++)
{
sfr.Text = System.Text.Encoding.Default.GetString(listOfArraysOfEncryptedBytes[i]);
var tempBytes = sfr.decrypt();
for (int j = 0; j < tempBytes.Length; j++)
{
if (i == 0)
{
tempBytes[j] = XOR(ivBytes[j], tempBytes[j]);
}
else
{
tempBytes[j] = XOR(listOfArraysOfEncryptedBytes[i - 1][j], tempBytes[j]);
}
}
decryptedText += System.Text.Encoding.Default.GetString(tempBytes).Replace("\0", "");
if (token.IsCancellationRequested)
{
token.ThrowIfCancellationRequested();
}
}
return(decryptedText);
}
public string Encrypt(Safer sfr, IProgress <int> progress, CancellationToken token, string iv = "12345678", int n = 8)
{
var encryptedText = "";
var listOfArraysOfEncryptedBytes = new List <byte[]>();
byte[] ivBytes = Encoding.Default.GetBytes(iv);
string source = sfr.Text;
byte[] tempBytes = new byte[n];
for (int i = 0; i < GetTextBlockLength(source, n); i++)
{
var sourceBlock = GetTextBlockNByte(source, i, n);
for (int j = 0; j < sourceBlock.Length; j++)
{
if (i == 0)
{
tempBytes[j] = XOR(ivBytes[j], sourceBlock[j]);
}
else
{
tempBytes[j] = XOR(listOfArraysOfEncryptedBytes[i - 1][j], sourceBlock[j]);
}
}
sfr.Text = System.Text.Encoding.Default.GetString(tempBytes);
listOfArraysOfEncryptedBytes.Add(sfr.encrypt());
if (token.IsCancellationRequested)
{
token.ThrowIfCancellationRequested();
}
}
encryptedText = GetStringFromListOfArrays(listOfArraysOfEncryptedBytes);
return(encryptedText);
}
public string Decrypt(Safer sfr, IProgress <int> progress, CancellationToken token, string iv = "12345678", int n = 8)
{
List <byte[]> listOfArraysOfEncryptedBytes = GetListOfArraysOfEncryptedBytesFromText(sfr.Text, 8);
string decryptedText = "";
for (int i = 0; i < listOfArraysOfEncryptedBytes.Count; i++)
{
sfr.Text = System.Text.Encoding.Default.GetString(listOfArraysOfEncryptedBytes[i]);
var tempBytes = sfr.decrypt();
decryptedText += System.Text.Encoding.Default.GetString(tempBytes).Replace("\0", "");
SetProgress(progress, (decimal)i / (decimal)listOfArraysOfEncryptedBytes.Count);
if (token.IsCancellationRequested)
{
token.ThrowIfCancellationRequested();
}
}
return(decryptedText);
}
public string Encrypt(Safer sfr, IProgress <int> progress, CancellationToken token, string iv = "12345678", int n = 8)
{
var encryptedText = "";
var source = sfr.Text;
var sourceLength = GetTextBlockLength(source, n);
for (var i = 0; i < sourceLength; i++)
{
var sourceBlock = GetTextBlockNByte(source, i, n);
sfr.Text = System.Text.Encoding.Default.GetString(sourceBlock);
var tempRes = sfr.encrypt();
encryptedText += System.Text.Encoding.Default.GetString(tempRes);
SetProgress(progress, (decimal)i / (decimal)sourceLength);
if (token.IsCancellationRequested)
{
token.ThrowIfCancellationRequested();
}
}
return(encryptedText);
}
