private void FillSignatureHelperTopaz(string keyData, string signature)
{
if (!CheckTopaz())
{
return;
}
//According to Jeff Robertson from Topaz, the method SetKeyString() should be used to clear out the key string before loading a signature.
//For that reason, it should only be called with 16 zeros as its arguments. The actual data that the signature will be bound to should be passed
//to the method SetAutoKeyData().
sigBox.Visible = false;
sigBoxTopaz.Visible = true;
labelInvalidSig.Visible = false;
TopazWrapper.ClearTopaz(sigBoxTopaz);
TopazWrapper.SetTopazCompressionMode(sigBoxTopaz, 0);
TopazWrapper.SetTopazEncryptionMode(sigBoxTopaz, 0);
TopazWrapper.SetTopazKeyString(sigBoxTopaz, "0000000000000000"); //Clear out the key string
TopazWrapper.SetTopazEncryptionMode(sigBoxTopaz, 2); //high encryption
TopazWrapper.SetTopazCompressionMode(sigBoxTopaz, 2); //high compression
string hashedKeyData;
switch (_signatureMode)
{
case SigMode.TreatPlan:
hashedKeyData = TreatPlans.GetHashStringForSignature(keyData); //Passed in key data has not been hashed yet.
TopazWrapper.SetTopazAutoKeyData(sigBoxTopaz, hashedKeyData);
break;
case SigMode.OrthoChart:
hashedKeyData = OrthoCharts.GetHashStringForSignature(keyData); //Passed in key data has not been hashed yet.
TopazWrapper.SetTopazAutoKeyData(sigBoxTopaz, hashedKeyData);
break;
case SigMode.Document:
case SigMode.Default:
default:
TopazWrapper.SetTopazAutoKeyData(sigBoxTopaz, keyData);
break;
}
TopazWrapper.SetTopazSigString(sigBoxTopaz, signature);
if (TopazWrapper.GetTopazNumberOfTabletPoints(sigBoxTopaz) == 0)
{
//Try reading in the signature using the old way that we used to handle signatures.
FillSignatureTopazOld(keyData, signature);
}
//If sig still not showing it must be invalid.
if (TopazWrapper.GetTopazNumberOfTabletPoints(sigBoxTopaz) == 0)
{
labelInvalidSig.Visible = true;
}
TopazWrapper.SetTopazState(sigBoxTopaz, 0);
}
///<summary>This should NOT be used unless GetSigChanged returns true.</summary>
public string GetSignature(string keyData)
{
//Topaz boxes are written in Windows native code.
if (sigBoxTopaz.Visible)
{
if (TopazWrapper.GetTopazNumberOfTabletPoints(sigBoxTopaz) == 0)
{
return("");
}
TopazWrapper.SetTopazKeyString(sigBoxTopaz, "0000000000000000"); //Clear out key string
TopazWrapper.SetTopazAutoKeyData(sigBoxTopaz, keyData);
TopazWrapper.SetTopazEncryptionMode(sigBoxTopaz, 2);
TopazWrapper.SetTopazCompressionMode(sigBoxTopaz, 2);
return(TopazWrapper.GetTopazString(sigBoxTopaz));
}
else
{
//ProcCur.SigIsTopaz=false;
if (sigBox.NumberOfTabletPoints() == 0)
{
return("");
}
//sigBox.SetSigCompressionMode(0);
//sigBox.SetEncryptionMode(0);
//Some places used different logic for keystring and autokeydata in the past. This must be maintained to keep signatures valid.
switch (_signatureMode)
{
case SigMode.Document:
case SigMode.TreatPlan:
case SigMode.OrthoChart:
//No auto key data set, only key string.
sigBox.SetKeyString(keyData);
break;
case SigMode.Default:
sigBox.SetKeyString("0000000000000000");
sigBox.SetAutoKeyData(keyData);
break;
}
//sigBox.SetEncryptionMode(2);
//sigBox.SetSigCompressionMode(2);
return(sigBox.GetSigString());
}
}
///<summary>Some places used different logic for keystring and autokeydata in the past. This must be maintained to keep signatures valid.
///</summary>
private void FillSignatureTopazOld(string keyData, string signature)
{
string hashedKeyData;
switch (_signatureMode)
{
case SigMode.Document:
TopazWrapper.SetTopazKeyString(sigBoxTopaz, keyData);
TopazWrapper.SetTopazEncryptionMode(sigBoxTopaz, 2); //high encryption
TopazWrapper.SetTopazCompressionMode(sigBoxTopaz, 2); //high compression
TopazWrapper.SetTopazSigString(sigBoxTopaz, signature);
break;
case SigMode.TreatPlan:
hashedKeyData = OpenDentBusiness.TreatPlans.GetHashStringForSignature(keyData); //Passed in KeyData still needs to be hashed.
TopazWrapper.SetTopazKeyString(sigBoxTopaz, hashedKeyData);
TopazWrapper.SetTopazEncryptionMode(sigBoxTopaz, 2); //high encryption
TopazWrapper.SetTopazCompressionMode(sigBoxTopaz, 2); //high encryption
TopazWrapper.SetTopazSigString(sigBoxTopaz, signature);
sigBoxTopaz.Refresh();
//If sig is not showing, then try encryption mode 3 for signatures signed with old SigPlusNet.dll.
if (TopazWrapper.GetTopazNumberOfTabletPoints(sigBoxTopaz) == 0)
{
TopazWrapper.SetTopazEncryptionMode(sigBoxTopaz, 3); //Unknown mode (told to use via TopazSystems)
TopazWrapper.SetTopazSigString(sigBoxTopaz, signature);
}
break;
case SigMode.OrthoChart:
hashedKeyData = OpenDentBusiness.OrthoCharts.GetHashStringForSignature(keyData); //Passed in KeyData still needs to be hashed.
TopazWrapper.SetTopazKeyString(sigBoxTopaz, hashedKeyData);
TopazWrapper.SetTopazEncryptionMode(sigBoxTopaz, 2); //high encryption
TopazWrapper.SetTopazCompressionMode(sigBoxTopaz, 2); //high compression
TopazWrapper.SetTopazSigString(sigBoxTopaz, signature);
//older items may have been signed with zeros due to a bug. We still want to show the sig in that case.
//but if a sig is not showing, then set the key string to try to get it to show.
if (TopazWrapper.GetTopazNumberOfTabletPoints(sigBoxTopaz) == 0)
{
TopazWrapper.SetTopazAutoKeyData(sigBoxTopaz, hashedKeyData);
TopazWrapper.SetTopazSigString(sigBoxTopaz, signature);
}
//If sig is not showing, then try encryption mode 3 for signatures signed with old SigPlusNet.dll.
if (TopazWrapper.GetTopazNumberOfTabletPoints(sigBoxTopaz) == 0)
{
TopazWrapper.SetTopazEncryptionMode(sigBoxTopaz, 3); //Unknown mode (told to use via TopazSystems)
TopazWrapper.SetTopazSigString(sigBoxTopaz, signature);
}
break;
case SigMode.Default:
TopazWrapper.SetTopazKeyString(sigBoxTopaz, "0000000000000000");
TopazWrapper.SetTopazEncryptionMode(sigBoxTopaz, 2); //high encryption
TopazWrapper.SetTopazCompressionMode(sigBoxTopaz, 2); //high compression
TopazWrapper.SetTopazSigString(sigBoxTopaz, signature);
//older items may have been signed with zeros due to a bug. We still want to show the sig in that case.
//but if a sig is not showing, then set the key string to try to get it to show.
if (TopazWrapper.GetTopazNumberOfTabletPoints(sigBoxTopaz) == 0)
{
TopazWrapper.SetTopazAutoKeyData(sigBoxTopaz, keyData);
TopazWrapper.SetTopazSigString(sigBoxTopaz, signature);
}
//If sig is not showing, then try encryption mode 3 for signatures signed with old SigPlusNet.dll.
if (TopazWrapper.GetTopazNumberOfTabletPoints(sigBoxTopaz) == 0)
{
TopazWrapper.SetTopazEncryptionMode(sigBoxTopaz, 3); //Unknown mode (told to use via TopazSystems)
TopazWrapper.SetTopazSigString(sigBoxTopaz, signature);
}
break;
}
}