public virtual byte[] processCommand(Apdu apdu)
{
CardContext context = handler.Context;
if (apdu.P1 != 0 || apdu.P2 != 0)
{
return(Error.P1OrP2NotValid);
}
if (apdu.Data == null || apdu.Data.Length != 8)
{
return(Error.DataFieldNotValid);
}
ByteArray data = apdu.Data;
if (data[4] != 0 || data[5] != 0)
{
return(Error.DataFieldNotValid);
}
ushort pubExpLen = Util.ToUShort(data, 6);
if (pubExpLen == 0)
{
pubExpLen = 24;
}
if (pubExpLen < 16 || pubExpLen > 64)
{
return(Error.DataFieldNotValid);
}
var Module = context.CurDF.GetChildBSO(Util.ToUShort(data[0], data[1]), false);
if (Module == null)
{
return(Error.ObjectNotFound);
}
if (Module.Algo != BSOAlgo.RSA_DS_Test &&
Module.Algo != BSOAlgo.RSA_Enc)
{
return(Error.InsNotValid);
}
if (!handler.IsVerifiedAC(Module, BSO_AC.AC_GENKEYPAIR))
{
return(Error.SecurityStatusNotSatisfied);
}
var privExp = context.CurDF.GetChildBSO(Util.ToUShort((byte)(data[0] | 1), data[1]), false);
if (privExp == null)
{
return(Error.ObjectNotFound);
}
if (privExp.Algo != BSOAlgo.RSA_DS_Test &&
privExp.Algo != BSOAlgo.RSA_Enc)
{
return(Error.InsNotValid);
}
var pubKey = context.CurDF.GetChildEF(Util.ToUShort(data.Sub(2, 2)));
if (pubKey == null)
{
return(Error.FileNotFound);
}
if (!(pubKey is EFLinearTLV))
{
return(Error.CommandIncompatibleWithFileStructure);
}
if (!handler.IsVerifiedAC(pubKey, EF_AC.AC_APPEND))
{
return(Error.SecurityStatusNotSatisfied);
}
handler.GenerateKey(privExp, Module, pubKey as EFLinearTLV, pubExpLen);
return(Error.Ok);
}