/// <summary>
/// calcolo hash di un file
/// </summary>
/// <param name="pathFile">path and file</param>
/// <param name="lastError">ultimo errore nella funzionalità</param>
/// <param name="algorithm">algoritmo da utilizzare</param>
/// <param name="encode">encode</param>
/// <returns>hash del file</returns>
public static string HashFile(string pathFile, ref string lastError, string algorithm = "sha256", string encode = "base64")
{
string hash = null;
try
{
if (Utilities.glob.UnlockStatus == 0)
{
lastError = "Licenza bloccata";
return(hash);
}
Chilkat.Crypt2 crypt = new Chilkat.Crypt2();
crypt.HashAlgorithm = algorithm;
crypt.EncodingMode = encode;
hash = crypt.HashFileENC(pathFile);
}
catch
{
throw;
}
return(hash);
}
/// <summary>
/// applica la marca temporale al file
/// </summary>
/// <param name="pathFileSign">file firmato</param>
/// <param name="tsaUrl">url TSA</param>
/// <param name="pathFileTimeStamped">file tsr da TSA</param>
/// <param name="lastError">ultimo errore nella funzionalità</param>
/// <param name="userName">user TSA (opzionale)</param>
/// <param name="password">password TSA (opzionale)</param>
/// <returns>true se la funzionalità ha avuto successo</returns>
/// <example>
/// if (Utilities.MarcaTemporale(@"c:\temp\IT01234567890_FPA01.xml.p7m", "https://freetsa.org/tsr", out pathFileTimeStamped, ref lastError, "myUser", "myPassword"))
/// {
/// pathFileTimeStamped -> c:\temp\IT01234567890_FPA01.xml.p7m.tsr
/// }
/// </example>
public static bool MarcaTemporale(string pathFileSign, string tsaUrl, out string pathFileTimeStamped, ref string lastError, string userName = null, string password = null)
{
bool success = false;
pathFileTimeStamped = null;
try
{
string fileName = Path.GetFileName(pathFileSign);
if (Utilities.glob.UnlockStatus == 0)
{
lastError = "Licenza bloccata";
return(success);
}
Chilkat.Crypt2 crypt = new Chilkat.Crypt2();
crypt.HashAlgorithm = "sha256";
crypt.EncodingMode = "base64";
string base64Hash = crypt.HashFileENC(pathFileSign);
Chilkat.Http http = new Chilkat.Http();
Chilkat.BinData requestToken = new Chilkat.BinData();
string optionalPolicyOid = string.Empty;
bool addNonce = false;
bool requestTsaCert = false;
if (!string.IsNullOrWhiteSpace(userName) && !string.IsNullOrWhiteSpace(password))
{
http.Login = userName;
http.Password = password;
http.BasicAuth = true;
}
// Create a time-stamp request token
success = http.CreateTimestampRequest("sha256", base64Hash, optionalPolicyOid, addNonce, requestTsaCert, requestToken);
if (!success)
{
lastError = http.LastErrorText;
return(success);
}
Chilkat.HttpResponse resp = http.PBinaryBd("POST", tsaUrl, requestToken, "application/timestamp-query", false, false);
if (!http.LastMethodSuccess)
{
lastError = http.LastErrorText;
return(success);
}
Chilkat.BinData timestampReply = new Chilkat.BinData();
resp.GetBodyBd(timestampReply);
if (!timestampReply.LastMethodSuccess)
{
return(success);
}
string s = Path.ChangeExtension(fileName, $".{Enum.GetName(typeof(EstensioniFile), EstensioniFile.tsr)}");
success = timestampReply.WriteFile(s);
if (success)
{
pathFileTimeStamped = s;
}
}
catch
{
throw;
}
return(success);
}
