public static AutenticationStatus Validate(TokenCryptoData tokenCryptoData, byte[] entropy, string masterKey, string validatePwd, out long movingFactor)
{
long _initialMovingFactor = tokenCryptoData.CryptoData.MovingFactor;
AutenticationStatus result;
for (int i = 0; i < tokenCryptoData.TokenBaseParams.OTPValidationWindow; i++)
{
try
{
if (validatePwd.Equals(HOTPPwdGenerator.generate(tokenCryptoData, masterKey, entropy)))
{
AutenticationStatus authStatus = (tokenCryptoData.CryptoData.MovingFactor > _initialMovingFactor) ? AutenticationStatus.SuccessButSynchronized : AutenticationStatus.Success;
movingFactor = tokenCryptoData.CryptoData.MovingFactor + tokenCryptoData.TokenBaseParams.HOTPMovingFactorDrift;
result = authStatus;
return(result);
}
movingFactor = tokenCryptoData.CryptoData.MovingFactor + tokenCryptoData.TokenBaseParams.HOTPMovingFactorDrift;
tokenCryptoData.ResetMovingFactor(movingFactor);
}
catch (Exception ex)
{
SAFLOGGER.Write(SAFLOGGER.LOGGEREventID.EXCEPTION, "SAFCORE", new string[]
{
"http://sfexpand.SAFCore.HOTPPwdValidator.softfinanca.com/",
ex.ToString()
});
}
}
tokenCryptoData.ResetMovingFactor(_initialMovingFactor);
movingFactor = _initialMovingFactor;
result = AutenticationStatus.TokenOrPasswordInvalid;
return(result);
}
public static OperationResult tokenTANMatrixIntegrityCheck(TokenCryptoData tokenCryptoData, byte[] tkSeed, byte[] entropy, out string SupportCriptoData)
{
string _TanMatrixChallenge = string.Empty;
OperationResult result;
try
{
string[] _matriz = new string[tokenCryptoData.TokenBaseParams.OTPValidationWindow];
for (int _idx = 0; _idx < tokenCryptoData.TokenBaseParams.OTPValidationWindow; _idx++)
{
bool _flag;
do
{
_flag = false;
tokenCryptoData.ResetMovingFactor(tokenCryptoData.CryptoData.MovingFactor + tokenCryptoData.TokenBaseParams.HOTPMovingFactorDrift);
_matriz[_idx] = HOTPPwdGenerator.generate(tokenCryptoData, tkSeed, new byte[0]);
for (int _idx2 = 0; _idx2 < _idx; _idx2++)
{
if (_matriz[_idx] == _matriz[_idx2])
{
_flag = true;
break;
}
}
}while (_flag);
_TanMatrixChallenge = _TanMatrixChallenge + _matriz[_idx] + ";";
}
SupportCriptoData = BaseFunctions.EncodeTo64(_TanMatrixChallenge.Substring(0, _TanMatrixChallenge.Length - 1));
result = OperationResult.Success;
}
catch (Exception ex)
{
SupportCriptoData = null;
SAFLOGGER.Write(SAFLOGGER.LOGGEREventID.EXCEPTION, "SAFCORE", new string[]
{
"http://sfexpand.SAFCore.TokensBaseFunctions.softfinanca.com/",
Assembly.GetExecutingAssembly().FullName.ToString(),
ex.ToString()
});
result = OperationResult.Error;
}
finally
{
}
return(result);
}
public static OperationResult Synchronize(TokenCryptoData tokenCryptoData, byte[] entropy, string masterKey, string firstPwd, string secondPwd, out long movingFactor)
{
long _movingFactor = tokenCryptoData.CryptoData.MovingFactor;
int i = 0;
OperationResult result;
while ((long)i < tokenCryptoData.TokenBaseParams.HOTPValidationWindow4Sync)
{
try
{
if (firstPwd.Equals(HOTPPwdGenerator.generate(tokenCryptoData, masterKey, entropy)))
{
AutenticationStatus _authStatus = (_movingFactor > tokenCryptoData.CryptoData.MovingFactor) ? AutenticationStatus.SuccessButSynchronized : AutenticationStatus.Success;
if (_authStatus == AutenticationStatus.Success || _authStatus == AutenticationStatus.SuccessButSynchronized)
{
_movingFactor += tokenCryptoData.TokenBaseParams.HOTPMovingFactorDrift;
if (firstPwd.Equals(HOTPPwdGenerator.generate(tokenCryptoData, masterKey, entropy)))
{
_authStatus = ((_movingFactor > tokenCryptoData.CryptoData.MovingFactor) ? AutenticationStatus.SuccessButSynchronized : AutenticationStatus.Success);
if (_authStatus == AutenticationStatus.Success)
{
_movingFactor = (movingFactor = _movingFactor + tokenCryptoData.TokenBaseParams.HOTPMovingFactorDrift);
result = OperationResult.Success;
return(result);
}
}
}
}
_movingFactor += tokenCryptoData.TokenBaseParams.HOTPMovingFactorDrift;
}
catch (Exception ex)
{
SAFLOGGER.Write(SAFLOGGER.LOGGEREventID.EXCEPTION, "SAFCORE", new string[]
{
"http://sfexpand.SAFCore.HOTPPwdValidator.softfinanca.com/",
Assembly.GetExecutingAssembly().FullName.ToString(),
ex.ToString()
});
}
i++;
}
movingFactor = tokenCryptoData.CryptoData.MovingFactor;
result = OperationResult.Error;
return(result);
}
public static string[] tokenTANMatrixArrayFetch(TokenCryptoData tokenCryptoData, string masterKey, string dataEntropy)
{
string[] result;
try
{
string[] _TanChallenge = BaseFunctions.DecodeFrom64(tokenCryptoData.CryptoData.SupportCryptoData).Split(new char[]
{
';'
});
if (tokenCryptoData.TokenBaseParams.OTPValidationWindow != _TanChallenge.Length)
{
result = null;
}
else
{
byte[] _seedOpen = tokenCryptoData.GetTokenSeed(masterKey);
string[] _matriz = new string[tokenCryptoData.TokenBaseParams.OTPValidationWindow];
for (int _index = 0; _index < tokenCryptoData.TokenBaseParams.OTPValidationWindow; _index++)
{
tokenCryptoData.ResetMovingFactor((long)int.Parse(_TanChallenge[_index]));
_matriz[_index] = HOTPPwdGenerator.generate(tokenCryptoData, _seedOpen, (dataEntropy == null || dataEntropy.Length < 1) ? new byte[0] : BaseFunctions.convertStringToByteArray(dataEntropy));
}
result = _matriz;
}
}
catch (Exception ex)
{
SAFLOGGER.Write(SAFLOGGER.LOGGEREventID.EXCEPTION, "SAFCORE", new string[]
{
"http://sfexpand.SAFCore.TokensBaseFunctions.softfinanca.com/",
Assembly.GetExecutingAssembly().FullName.ToString(),
ex.ToString()
});
result = null;
}
finally
{
}
return(result);
}
public static OperationResult tokenTANMatrixIntegrityCheck(TokenCryptoData tokenCryptoData, byte[] tkSeed, byte[] entropy, out string SupportCriptoData)
{
OperationResult result;
try
{
string text = string.Empty;
string[] array = new string[tokenCryptoData.TokenBaseParams.OTPValidationWindow];
for (int i = 0; i < tokenCryptoData.TokenBaseParams.OTPValidationWindow; i++)
{
bool flag;
do
{
flag = false;
tokenCryptoData.ResetMovingFactor(tokenCryptoData.CryptoData.MovingFactor + tokenCryptoData.TokenBaseParams.HOTPMovingFactorDrift);
array[i] = HOTPPwdGenerator.generate(tokenCryptoData, tkSeed, new byte[0]);
for (int j = 0; j < i; j++)
{
if (array[i] == array[j])
{
flag = true;
break;
}
}
}while (flag);
text = text + array[i] + ";";
}
SupportCriptoData = BaseFunctions.EncodeTo64(text.Substring(0, text.Length - 1));
result = OperationResult.Success;
}
catch
{
LOGGER.Write(LOGGER.LogCategory.ERROR, "SF.Expand.SAF.Core::TANMatrixIntegrityCheck[]", null);
SupportCriptoData = null;
result = OperationResult.Error;
}
return(result);
}
public static string generate(TokenCryptoData tokenCryptoData, string masterKey, byte[] entropy)
{
return(HOTPPwdGenerator.generate(tokenCryptoData, tokenCryptoData.GetTokenSeed(masterKey), entropy));
}