public virtual AC CreateAC(IObjectWithAC dest)
{
int numAC = 0;
if (dest is BSO)
{
numAC = 7;
}
if (dest is DF)
{
numAC = 9;
}
if (dest is EF)
{
numAC = 9;
}
if (dest is SecurityEnvironmenet)
{
numAC = 2;
}
if (numAC == 0)
{
throw new Exception("Oggetto con AC non valido");
}
return(new AC(AC.Always, dest, numAC));
}
public AC(byte allConditions, IObjectWithAC owner, int numAC)
{
this.numAC = numAC;
this.owner = owner;
conditions = new byte[numAC];
for (int i = 0; i < numAC; i++)
{
conditions[i] = allConditions;
}
}
public AC(byte[] conditions, IObjectWithAC owner, int numAC)
{
this.numAC = numAC;
this.owner = owner;
if (conditions.Length > numAC)
{
throw new ISO7816Exception(Error.DataFieldNotValid);
}
this.conditions = conditions;
}
public bool IsVerifiedAC(ICardObject obj, byte ac)
{
if (!(obj is IObjectWithAC))
{
throw new ISO7816Exception(Error.InternalError);
}
IObjectWithAC acObj = obj as IObjectWithAC;
byte condition = acObj.AC[ac];
if (condition == AC.Never)
{
return(false);
}
if (condition == AC.Always)
{
return(true);
}
BSO refrencedObject = obj is DF ? (obj as DF).GetChildBSO(condition, true) : obj.Parent.GetChildBSO(condition, true);
if (context.securityStatus.ContainsKey(condition))
{
BSO bso = context.securityStatus[condition];
if (refrencedObject == bso)
{
if (bso.CurValidityCounter == 0)
{
context.securityStatus.Remove((byte)bso.ID);
return(false);
}
else if (bso.CurValidityCounter != 0xff)
{
bso.CurValidityCounter--;
}
return(true);
}
return(false);
}
else
{
// potrebbe essereun logical
if (refrencedObject == null)
{
return(false);
}
if (refrencedObject.Algo == BSOAlgo.Logic)
{
int exprLen;
return(TestLogic(refrencedObject, refrencedObject.Data.Length - 1, out exprLen));
}
else
{
return(false);
}
}
}
//public override string ToString()
//{
// return "AC for " + (obj as ICardObject).Description;
//}
public WrapperSEAC(IObjectWithAC obj)
{
this.obj = obj;
}