| public C_GetMechanismList ( uint slotId, CKM mechanismList, uint &count ) : CKR | ||
| slotId | uint | The ID of the token's slot |
| mechanismList | CKM | /// If set to null then the number of mechanisms is returned in "count" parameter, without actually returning a list of mechanisms. /// If not set to null then "count" parameter must contain the lenght of mechanismList array and mechanism list is returned in "mechanismList" parameter. /// |
| count | uint | Location that receives the number of mechanisms |
| return | CKR | |
public CKR C_GetMechanismList(uint slotId, CKM[] mechanismList, ref uint count)
{
if (this._disposed)
throw new ObjectDisposedException(this.GetType().FullName);
uint[] uintList = null;
if (mechanismList != null)
uintList = new uint[mechanismList.Length];
uint rv = _delegates.C_GetMechanismList(slotId, uintList, ref count);
if (mechanismList != null)
{
for (int i = 0; i < mechanismList.Length; i++)
mechanismList[i] = (CKM)uintList[i];
}
return (CKR)rv;
}
public void _01_BasicMechanismListAndInfoTest()
{
if (Platform.UnmanagedLongSize != 4 || Platform.StructPackingSize != 0)
Assert.Inconclusive("Test cannot be executed on this platform");
CKR rv = CKR.CKR_OK;
using (Pkcs11 pkcs11 = new Pkcs11(Settings.Pkcs11LibraryPath))
{
rv = pkcs11.C_Initialize(Settings.InitArgs40);
if ((rv != CKR.CKR_OK) && (rv != CKR.CKR_CRYPTOKI_ALREADY_INITIALIZED))
Assert.Fail(rv.ToString());
// Find first slot with token present
uint slotId = Helpers.GetUsableSlot(pkcs11);
// Get number of supported mechanisms in first call
uint mechanismCount = 0;
rv = pkcs11.C_GetMechanismList(slotId, null, ref mechanismCount);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
Assert.IsTrue(mechanismCount > 0);
// Allocate array for supported mechanisms
CKM[] mechanismList = new CKM[mechanismCount];
// Get supported mechanisms in second call
rv = pkcs11.C_GetMechanismList(slotId, mechanismList, ref mechanismCount);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Analyze first supported mechanism
CK_MECHANISM_INFO mechanismInfo = new CK_MECHANISM_INFO();
rv = pkcs11.C_GetMechanismInfo(slotId, mechanismList[0], ref mechanismInfo);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Do something interesting with mechanism info
rv = pkcs11.C_Finalize(IntPtr.Zero);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
}
}
