public static bool VerifyCheckSumByjson(string masterKey, string json, string checkSum)
{
CheckSum.ValidateVerifyCheckSumInput(masterKey, checkSum);
try
{
string str1 = Crypto.Decrypt(checkSum, masterKey);
if (str1 == null || str1.Length < 4)
{
return(false);
}
string str2 = str1.Substring(str1.Length - 4, 4);
MessageConsole.WriteLine("Salt:::: " + str2);
MessageConsole.WriteLine();
MessageConsole.WriteLine("Input CheckSum:::: " + checkSum);
string str3 = json;
MessageConsole.WriteLine();
MessageConsole.WriteLine("GeneratedCheckSum String:::: " + str3);
string inputValue = str3 + "|" + str2;
MessageConsole.WriteLine();
MessageConsole.WriteLine("GeneratedCheckSum String with Salt:::: " + inputValue);
string hashedString = SecurityUtils.GetHashedString(inputValue);
MessageConsole.WriteLine();
MessageConsole.WriteLine("HashedGeneratedCheckSum String:::: " + hashedString);
string str4 = hashedString + str2;
MessageConsole.WriteLine();
MessageConsole.WriteLine("HashedGeneratedCheckSum String with Salt:::: " + str4);
return(str4.Equals(str1));
}
catch (System.Exception ex)
{
throw new CryptoException("Exception occurred while verifying CheckSum. " + ex.Message);
}
}
public static string CreateCheckSumString(Dictionary <string, string> parameters)
{
if (parameters == null)
{
return("");
}
MessageConsole.WriteLine();
MessageConsole.WriteLine("Input Dict::::");
SecurityUtils.PrintDictionary(parameters);
SortedDictionary <string, string> dict = new SortedDictionary <string, string>((IDictionary <string, string>)parameters, (IComparer <string>)StringComparer.Ordinal);
MessageConsole.WriteLine();
MessageConsole.WriteLine("Sorted Dict::::");
SecurityUtils.PrintSortedDictionary(dict);
StringBuilder stringBuilder = new StringBuilder("");
foreach (KeyValuePair <string, string> keyValuePair in dict)
{
string str = keyValuePair.Value;
if (str == null || str.Trim().Equals("NULL"))
{
str = "";
}
stringBuilder.Append(str).Append("|");
}
return(stringBuilder.ToString());
}
private static void PrintSortedDictionary(SortedDictionary <string, string> dict)
{
if (dict == null)
{
return;
}
foreach (KeyValuePair <string, string> keyValuePair in dict)
{
MessageConsole.WriteLine("{0}, {1}", (object)keyValuePair.Key, (object)keyValuePair.Value);
}
}
public static string GenerateCheckSumForRefund(string masterKey, Dictionary <string, string> parameters)
{
CheckSum.ValidateGenerateCheckSumInput(masterKey);
try
{
string checkSumString = SecurityUtils.CreateCheckSumString(parameters);
string randomString = StringUtils.GenerateRandomString(4);
string inputValue = checkSumString + randomString;
MessageConsole.WriteLine();
MessageConsole.WriteLine("Final CheckSum String:::: " + inputValue);
string hashedString = SecurityUtils.GetHashedString(inputValue);
MessageConsole.WriteLine();
MessageConsole.WriteLine("HashedCheckSum String:::: " + hashedString);
string clearText = hashedString + randomString;
MessageConsole.WriteLine();
MessageConsole.WriteLine("HashedCheckSum String with Salt:::: " + clearText);
return(Crypto.Encrypt(clearText, masterKey));
}
catch (System.Exception ex)
{
throw new CryptoException("Exception occurred while generating CheckSum. " + ex.Message);
}
}
public static string GenerateCheckSum(string masterKey, Dictionary <string, string> parameters)
{
CheckSum.ValidateGenerateCheckSumInput(masterKey);
Dictionary <string, string> parameters1 = new Dictionary <string, string>();
try
{
foreach (string key in parameters.Keys)
{
if (parameters[key].Trim().ToUpper().Contains("REFUND") || parameters[key].Trim().Contains("|"))
{
parameters1.Add(key.Trim(), "");
}
else
{
parameters1.Add(key.Trim(), parameters[key].Trim());
}
}
string checkSumString = SecurityUtils.CreateCheckSumString(parameters1);
string randomString = StringUtils.GenerateRandomString(4);
string inputValue = checkSumString + randomString;
MessageConsole.WriteLine();
MessageConsole.WriteLine("Final CheckSum String:::: " + inputValue);
string hashedString = SecurityUtils.GetHashedString(inputValue);
MessageConsole.WriteLine();
MessageConsole.WriteLine("HashedCheckSum String:::: " + hashedString);
string clearText = hashedString + randomString;
MessageConsole.WriteLine();
MessageConsole.WriteLine("HashedCheckSum String with Salt:::: " + clearText);
return(Crypto.Encrypt(clearText, masterKey));
}
catch (System.Exception ex)
{
throw new CryptoException("Exception occurred while generating CheckSum. " + ex.Message);
}
}
