/// <summary>
/// Finds slot containing the token that matches criteria specified in Settings class
/// </summary>
/// <param name='pkcs11'>Initialized PKCS11 wrapper</param>
/// <returns>Slot containing the token that matches criteria</returns>
public static IRutokenSlot GetUsableSlot(IRutokenPkcs11Library pkcs11)
{
// Get list of available slots with token present
List <IRutokenSlot> slots = pkcs11.GetRutokenSlotList(SlotsType.WithTokenPresent);
Assert.IsNotNull(slots);
Assert.IsTrue(slots.Count > 0);
// First slot with token present is OK...
IRutokenSlot matchingSlot = slots[0];
// ...unless there are matching criteria specified in Settings class
if (Settings.TokenSerial != null || Settings.TokenLabel != null)
{
matchingSlot = null;
foreach (IRutokenSlot slot in slots)
{
ITokenInfo tokenInfo = null;
try
{
tokenInfo = slot.GetTokenInfo();
}
catch (Pkcs11Exception ex)
{
if (ex.RV != CKR.CKR_TOKEN_NOT_RECOGNIZED && ex.RV != CKR.CKR_TOKEN_NOT_PRESENT)
{
throw;
}
}
if (tokenInfo == null)
{
continue;
}
if (!string.IsNullOrEmpty(Settings.TokenSerial))
{
if (0 != string.Compare(Settings.TokenSerial, tokenInfo.SerialNumber, StringComparison.Ordinal))
{
continue;
}
}
if (!string.IsNullOrEmpty(Settings.TokenLabel))
{
if (0 != string.Compare(Settings.TokenLabel, tokenInfo.Label, StringComparison.Ordinal))
{
continue;
}
}
matchingSlot = slot;
break;
}
}
Assert.IsTrue(matchingSlot != null, "Token matching criteria specified in Settings class is not present");
return(matchingSlot);
}
public TokenSlot(IRutokenPkcs11Library pkcs11)
{
_pkcs11 = pkcs11;
}
