private string KeyOperation(bool decrypt, string key)
{
var scheme = KeyScheme.Unspecified;
if (key.StartsWithKeyScheme())
{
scheme = key.GetKeyScheme();
}
string result;
var lmk = new HexKey(LMK.LmkStorage.LmkVariant(Code.Pair, Code.Variant));
switch (scheme)
{
case KeyScheme.Unspecified:
case KeyScheme.SingleLengthKey:
case KeyScheme.DoubleLengthKeyAnsi:
case KeyScheme.TripleLengthKeyAnsi:
result = decrypt ? lmk.Decrypt(key.StripKeyScheme()) : lmk.Encrypt(key.StripKeyScheme());
break;
default:
result = decrypt
? lmk.DecryptVariant(key.StripKeyScheme())
: lmk.EncryptVariant(key.StripKeyScheme());
break;
}
return(scheme != KeyScheme.Unspecified && scheme != KeyScheme.SingleLengthKey
? scheme.GetKeySchemeChar() + result
: result);
}
private void CalculateEncryptedValues()
{
var scheme = KeyScheme.Unspecified;
if (Key.StartsWithKeyScheme())
{
scheme = Key.GetKeyScheme();
}
else if (scheme == KeyScheme.Unspecified && Key.GetKeyLength() != KeyLength.SingleLength)
{
switch (Key.GetKeyLength())
{
case KeyLength.DoubleLength:
scheme = KeyScheme.DoubleLengthKeyAnsi;
break;
default:
scheme = KeyScheme.TripleLengthKeyAnsi;
break;
}
Key = scheme.GetKeySchemeChar() + Key;
}
var lmk = new HexKey(LMK.LmkStorage.LmkVariant(Code.Pair, Code.Variant));
switch (scheme)
{
case KeyScheme.Unspecified:
case KeyScheme.SingleLengthKey:
KeyVariant = string.Empty;
KeyAnsi = Key;
break;
case KeyScheme.DoubleLengthKeyAnsi:
case KeyScheme.TripleLengthKeyAnsi:
KeyAnsi = Key;
KeyVariant = lmk.EncryptVariant(ClearKey);
switch (scheme)
{
case KeyScheme.DoubleLengthKeyAnsi:
KeyVariant = KeyScheme.DoubleLengthKeyVariant.GetKeySchemeChar() + KeyVariant;
break;
case KeyScheme.TripleLengthKeyAnsi:
KeyVariant = KeyScheme.TripleLengthKeyVariant.GetKeySchemeChar() + KeyVariant;
break;
}
break;
default:
KeyVariant = Key;
KeyAnsi = lmk.Encrypt(ClearKey);
switch (scheme)
{
case KeyScheme.DoubleLengthKeyVariant:
KeyAnsi = KeyScheme.DoubleLengthKeyAnsi.GetKeySchemeChar() + ClearKey;
break;
case KeyScheme.TripleLengthKeyVariant:
KeyAnsi = KeyScheme.TripleLengthKeyVariant.GetKeySchemeChar() + ClearKey;
break;
}
break;
}
}