private static PbeParametersGenerator MakePbeGenerator(string type, IDigest digest, byte[] key, byte[] salt, int iterationCount)
{
//IL_0066: Unknown result type (might be due to invalid IL or missing references)
PbeParametersGenerator pbeParametersGenerator;
if (type.Equals("Pkcs5S1"))
{
pbeParametersGenerator = new Pkcs5S1ParametersGenerator(digest);
}
else if (type.Equals("Pkcs5S2"))
{
pbeParametersGenerator = new Pkcs5S2ParametersGenerator();
}
else if (type.Equals("Pkcs12"))
{
pbeParametersGenerator = new Pkcs12ParametersGenerator(digest);
}
else
{
if (!type.Equals("OpenSsl"))
{
throw new ArgumentException("Unknown PBE type: " + type, "type");
}
pbeParametersGenerator = new OpenSslPbeParametersGenerator();
}
pbeParametersGenerator.Init(key, salt, iterationCount);
return(pbeParametersGenerator);
}
static PbeParametersGenerator MakePbeGenerator(
string type,
IDigest digest,
byte[] key,
byte[] salt,
int iterationCount)
{
PbeParametersGenerator generator;
if (type.Equals(Pkcs5S1))
{
generator = new Pkcs5S1ParametersGenerator(digest);
}
else if (type.Equals(Pkcs5S2))
{
generator = new Pkcs5S2ParametersGenerator();
}
else if (type.Equals(Pkcs12))
{
generator = new Pkcs12ParametersGenerator(digest);
}
else if (type.Equals(OpenSsl))
{
generator = new OpenSslPbeParametersGenerator();
}
else
{
throw new ArgumentException("Unknown PBE type: " + type, "type");
}
generator.Init(key, salt, iterationCount);
return(generator);
}
private static PbeParametersGenerator MakePbeGenerator(string type, IDigest digest, byte[] key, byte[] salt, int iterationCount)
{
PbeParametersGenerator pbeParametersGenerator;
if (type.Equals("Pkcs5S1"))
{
pbeParametersGenerator = new Pkcs5S1ParametersGenerator(digest);
}
else if (type.Equals("Pkcs5S2"))
{
pbeParametersGenerator = new Pkcs5S2ParametersGenerator();
}
else if (type.Equals("Pkcs12"))
{
pbeParametersGenerator = new Pkcs12ParametersGenerator(digest);
}
else
{
if (!type.Equals("OpenSsl"))
{
throw new ArgumentException("Unknown PBE type: " + type, "type");
}
pbeParametersGenerator = new OpenSslPbeParametersGenerator();
}
pbeParametersGenerator.Init(key, salt, iterationCount);
return(pbeParametersGenerator);
}
private byte[] BcPkcs5Scheme(char[] password, byte[] salt,
int iterationCount)
{
var generator = new Pkcs5S1ParametersGenerator(
GetDigest());
generator.Init(PbeParametersGenerator.Pkcs5PasswordToUtf8Bytes(password),
salt,
iterationCount);
return(((KeyParameter)generator.GenerateDerivedParameters(_config.CipherAlgorithm.ToString(), GetKeySize())).GetKey());
}
public override void PerformTest()
{
base.PerformTest();
millionATest(million_a_digest);
byte[] data = Strings.ToUtf8ByteArray("fred");
KeyParameter key = new KeyParameter(Pkcs5S1ParametersGenerator.Pkcs5PasswordToUtf8Bytes("1".ToCharArray()));
byte[] mac = MacUtilities.CalculateMac("HMAC/GOST3411", key, data);
if (!Arrays.AreEqual(Hex.Decode("e9f98610cfc80084462b175a15d2b4ec10b2ab892eae5a6179d572d9b1db6b72"), mac))
{
Fail("mac calculation failed.");
}
}
private async Task <byte[]> GetPasswordFromUser(int nServerGUID, String strServerName, byte[] abyPasswordSalt, bool bFailedBefore, CancellationToken cancelToken)
{
LoginDialogData result = null;
try
{
String strText = "Enter the " + (string)Application.Current.FindResource("AppName") + " password for " + strServerName;
if (bFailedBefore)
{
strText = "Authentication failed. " + strText;
}
result = await m_dialogCoordinator.ShowLoginAsync(this, "Authentication", strText
, new LoginDialogSettings()
{
ColorScheme = MetroDialogColorScheme.Theme,
ShouldHideUsername = true,
EnablePasswordPreview = true,
RememberCheckBoxVisibility = Visibility.Visible,
NegativeButtonText = "Cancel",
NegativeButtonVisibility = Visibility.Visible,
AffirmativeButtonText = "OK",
CancellationToken = cancelToken
});
}
catch (Exception e)
{
Log.w(TAG, "LoginDialog Exception: " + e.Message);
result = null;
}
if (result != null)
{
byte[] abyPassword = result.SecurePassword.ToByteArray();
try
{
byte[] key = await Task.Run(() =>
{
Pkcs5S1ParametersGenerator gen = new Pkcs5S1ParametersGenerator(new Sha256Digest());
gen.Init(abyPassword, abyPasswordSalt, ITERATIONS);
#pragma warning disable CS0618 // Type or member is obsolete
return(((KeyParameter)gen.GenerateDerivedParameters(256)).GetKey());
#pragma warning restore CS0618 // Type or member is obsolete
}, cancelToken);
if (result.ShouldRemember)
{
AddStoredPassword(nServerGUID, key);
}
return(key);
}
catch (Exception e)
{
if (!(e is OperationCanceledException))
{
Log.e(TAG, "Error while generating key from password: " + e.Message);
}
}
finally
{
Arrays.Fill(abyPassword, 0);
}
}
return(null);
}
