public void _01_BasicPkcs11DisposeTest()
{
// Unmanaged PKCS#11 library is loaded by the constructor of Pkcs11 class.
// Every PKCS#11 library needs to be initialized with C_Initialize method
// which is also called automatically by the constructor of Pkcs11 class.
Pkcs11 pkcs11 = new Pkcs11(Settings.Pkcs11LibraryPath, Settings.UseOsLocking);
// Do something interesting
// Unmanaged PKCS#11 library is unloaded by Dispose() method.
// C_Finalize should be the last call made by an application and it
// is also called automatically by Dispose() method.
pkcs11.Dispose();
}
/// <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;
}
}