DESFireKey IDESFireSAM.FindKeyById(short id)
{
foreach (PACSAMKey key in myKeys)
{
if (key.Id == id)
{
DESFireKey result = new DESFireKey();
result.Id = key.Id;
if (key.KeyType == PACSAMKeyType.AES)
{
result.KeyType = DESFireKeyType.AES;
}
else if (key.KeyType == PACSAMKeyType.DES)
{
result.KeyType = DESFireKeyType.TDEA2KEY;
}
else
{
throw new InvalidOperationException();
}
result.Version = key.Version;
result.Name = key.Name;
result.SamIndex = key.Index;
return(result);
}
}
return(null);
}
byte[] IDESFireSAM.ChangeKey(byte keyNo, short newId, short?oldId)
{
if (oldId == null)
{
DESFireKey newKey = (this as IDESFireSAM).FindKeyById(newId);
return(EV1ChangeKey(keyNo, newKey.SamIndex, null));
}
else
{
DESFireKey newKey = (this as IDESFireSAM).FindKeyById(newId);
DESFireKey oldKey = (this as IDESFireSAM).FindKeyById(oldId.Value);
return(EV1ChangeKey(keyNo, newKey.SamIndex, oldKey.SamIndex));
}
}
byte[] IDESFireSAM.Authenticate0(short keyId, byte[] ekRndB)
{
DESFireKey key = (this as IDESFireSAM).FindKeyById(keyId);
return(EV1Authenticate0(key.SamIndex, ekRndB));
}
