public static string ExtractUrl(string hashAndMessage, bool legacyFormat)
{
DateTime dateTime;
byte[] message;
CryptoMessage.ParseMessage(hashAndMessage, null, true, out dateTime, out message);
return(CryptoMessage.DecodeToString(message, legacyFormat));
}
public static bool ParseMessage(string hashAndMessage, byte[] hiddenMessageBinary, bool ignoreHmac, out DateTime timeStamp, out byte[] message)
{
timeStamp = DateTime.MinValue;
bool flag = false;
message = null;
try
{
byte[] array = CryptoMessage.Decode(hashAndMessage ?? string.Empty);
byte[] array2;
flag = CryptoMessage.ParseMessage(array, hiddenMessageBinary, out array2);
if (flag || ignoreHmac)
{
long ticks = BitConverter.ToInt64(array2, 0);
timeStamp = new DateTime(ticks, DateTimeKind.Utc);
int num = array2.Length - 8;
message = new byte[num];
Array.Copy(array2, 8, message, 0, num);
}
else
{
ExTraceGlobals.CryptoTracer.TraceDebug(2L, "{0}.{1}: failed: messageString={2}, hiddenMessage={3}", new object[]
{
"Clients.Common.CryptoMessage",
"ParseMessage",
hashAndMessage,
CryptoMessage.GetHexString(hiddenMessageBinary)
});
}
}
catch (Exception ex)
{
flag = false;
ExTraceGlobals.CryptoTracer.TraceDebug(3L, "{0}.{1}: Exception: messageString={2}, hiddenMessage={3}, exception={3}", new object[]
{
"Clients.Common.CryptoMessage",
"ParseMessage",
hashAndMessage,
CryptoMessage.GetHexString(hiddenMessageBinary),
ex
});
}
return(flag);
}
public static bool ParseMessage(string hashAndMessage, byte[] hiddenMessageBinary, out DateTime timeStamp, out byte[] message)
{
return(CryptoMessage.ParseMessage(hashAndMessage, hiddenMessageBinary, false, out timeStamp, out message));
}