//TODO
//Chiamo lo storage
//Calcolo la Hash
//Ritorna
//public DocumentContent CalculateBlobHash(Document Document)
/// <summary>
///
/// </summary>
/// <param name="FileName"></param>
/// <param name="SignerCert"></param>
/// <param name="SignedDigest"></param>
/// <param name="Content"></param>
/// <returns>DocumentContent</returns>
public DocumentContent AddRawSignature(string FileName, DocumentContent SignerCert, DocumentContent SignedDigest, DocumentContent Content)
{
using (CompEdObj p7mO = new CompEdObj())
{
int p7kH;
p7mO.P7mNew(out p7kH);
p7mO.VerifyLastError();
p7mO.P7mSetType(p7kH);
p7mO.VerifyLastError();
p7mO.AddRawSignature(p7kH, SignedDigest.Blob, SignerCert.Blob);
p7mO.VerifyLastError();
p7mO.P7mAddTimeFileDescription(p7kH, "", FileName, "");
p7mO.VerifyLastError();
p7mO.P7mContentInit(p7kH);
p7mO.VerifyLastError();
p7mO.P7mAddBlob(p7kH, Content.Blob);
p7mO.VerifyLastError();
p7mO.P7mContentFinish(p7kH);
p7mO.VerifyLastError();
byte[] ret = p7mO.P7kContentReadToBuf(p7kH);
p7mO.VerifyLastError();
return new DocumentContent(ret);
}
}
public bool GetFileInfo(string format, byte[] blob, out string MetaData)
{
var compedObj = new CompEdObj();
bool retval = false;
try
{
switch (format.ToUpper())
{
case "P7M":
compedObj.GetFileInfo(true, blob, out MetaData);
break;
case "P7X":
compedObj.GetFileInfo(false, blob, out MetaData);
break;
default:
MetaData = "<?xml version=\"1.0\" ?><file name=\"\" description=\"\"";
break;
}
SHA1 sha = new SHA1CryptoServiceProvider();
byte[] docHash = sha.ComputeHash(blob);
MetaData += " containerHash=\"" + CompEdObj.ByteToHex(docHash) + "\"></file>";
retval = true;
}
finally
{
compedObj.Dispose();
}
return(retval);
}
//TODO Verificare se lasciare o togliere.
public DocumentContent CalculateBlobHash(DocumentContent Content, ComputeHashType computeHash)
{
return new DocumentContent(CompEdObj.CalculateBlobHash(Content.Blob, computeHash));
}
