/// <summary>
/// Intitializes class instance
/// </summary>
/// <param name="slot">PKCS#11 slot</param>
/// <param name="manufacturerId">Token manufacturer</param>
/// <param name="model">Token model</param>
/// <param name="serialNumber">Token serial number</param>
/// <param name="label">Token label</param>
internal Token(Slot slot, string manufacturerId, string model, string serialNumber, string label)
{
if (slot == null)
throw new ArgumentNullException("slot");
Slot = slot;
_manufacturerId = manufacturerId;
_model = model;
_serialNumber = serialNumber;
_label = label;
}
/// <summary>
/// Initializes a new instance of the Pkcs11Signature class
/// </summary>
/// <param name="libraryPath">Path to the unmanaged PCKS#11 library</param>
/// <param name="tokenSerial">Serial number of the token (smartcard) that contains signing key. May be null if tokenLabel is specified.</param>
/// <param name="tokenLabel">Label of of the token (smartcard) that contains signing key. May be null if tokenSerial is specified.</param>
/// <param name="pin">PIN for the token (smartcard)</param>
/// <param name="ckaLabel">Label (value of CKA_LABEL attribute) of the private key used for signing. May be null if ckaId is specified.</param>
/// <param name="ckaId">Identifier (value of CKA_ID attribute) of the private key used for signing. May be null if ckaLabel is specified.</param>
/// <param name="hashAlgorihtm">Hash algorihtm used for the signature creation</param>
private void InitializePkcs7RsaSignature(string libraryPath, string tokenSerial, string tokenLabel, byte[] pin, string ckaLabel, byte[] ckaId, HashAlgorithm hashAlgorihtm)
{
try
{
if (string.IsNullOrEmpty(libraryPath))
throw new ArgumentNullException("libraryPath");
_pkcs11 = new Pkcs11(libraryPath, true);
_slot = FindSlot(tokenSerial, tokenLabel);
if (_slot == null)
throw new TokenNotFoundException(string.Format("Token with serial \"{0}\" and label \"{1}\" was not found", tokenSerial, tokenLabel));
_session = _slot.OpenSession(true);
_session.Login(CKU.CKU_USER, pin);
_privateKeyHandle = FindPrivateKey(ckaLabel, ckaId);
_ckaLabel = ckaLabel;
_ckaId = ckaId;
if (!Enum.IsDefined(typeof(HashAlgorithm), hashAlgorihtm))
throw new ArgumentException("Invalid hash algorithm specified");
_hashAlgorihtm = hashAlgorihtm;
}
catch
{
if (_session != null)
{
_session.Dispose();
_session = null;
}
if (_pkcs11 != null)
{
_pkcs11.Dispose();
_pkcs11 = null;
}
throw;
}
}
/// <summary>
/// Disposes object
/// </summary>
/// <param name="disposing">Flag indicating whether managed resources should be disposed</param>
protected virtual void Dispose(bool disposing)
{
if (!this._disposed)
{
// Dispose managed objects
if (disposing)
{
_allCertificates = null;
_signingCertificate = null;
_hashAlgorihtm = HashAlgorithm.SHA512;
_ckaId = null;
_ckaLabel = null;
_privateKeyHandle = null;
if (_session != null)
{
try
{
_session.Logout();
}
catch
{
// Any exceptions can be safely ignored here
}
_session.Dispose();
_session = null;
}
_slot = null;
if (_pkcs11 != null)
{
_pkcs11.Dispose();
_pkcs11 = null;
}
}
// Dispose unmanaged objects
_disposed = true;
}
}