| public C_FindObjects ( uint session, uint objectId, uint maxObjectCount, uint &objectCount ) : CKR | ||
| session | uint | The session's handle |
| objectId | uint | Location that receives the list (array) of additional object handles |
| maxObjectCount | uint | The maximum number of object handles to be returned |
| objectCount | uint | Location that receives the actual number of object handles returned |
| return | CKR | |
/// <summary>
/// Creates the PKCS#1 v1.5 RSA signature with SHA-1 mechanism
/// </summary>
/// <param name="data">Data that should be signed</param>
/// <param name="uri">PKCS#11 URI identifying PKCS#11 library, token and private key</param>
/// <returns>PKCS#1 v1.5 RSA signature</returns>
private byte[] SignData(byte[] data, string uri)
{
// Verify input parameters
if (data == null)
throw new ArgumentNullException("data");
if (string.IsNullOrEmpty(uri))
throw new ArgumentNullException("uri");
// Parse PKCS#11 URI
Pkcs11Uri pkcs11Uri = new Pkcs11Uri(uri);
// Verify that URI contains all information required to perform this operation
if (pkcs11Uri.ModulePath == null)
throw new Exception("PKCS#11 URI does not specify PKCS#11 library");
if (pkcs11Uri.PinValue == null)
throw new Exception("PKCS#11 URI does not specify PIN");
if (!pkcs11Uri.DefinesObject || pkcs11Uri.Type != CKO.CKO_PRIVATE_KEY)
throw new Exception("PKCS#11 URI does not specify private key");
// Load and initialize PKCS#11 library specified by URI
CKR rv = CKR.CKR_OK;
using (Pkcs11 pkcs11 = new Pkcs11(pkcs11Uri.ModulePath, true))
{
rv = pkcs11.C_Initialize(Settings.InitArgs40);
if ((rv != CKR.CKR_OK) && (rv != CKR.CKR_CRYPTOKI_ALREADY_INITIALIZED))
Assert.Fail(rv.ToString());
// Obtain a list of all slots with tokens that match URI
uint[] slots = null;
rv = Pkcs11UriUtils.GetMatchingSlotList(pkcs11Uri, pkcs11, true, out slots);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
if ((slots == null) || (slots.Length == 0))
throw new Exception("None of the slots matches PKCS#11 URI");
// Open read only session with first token that matches URI
uint session = CK.CK_INVALID_HANDLE;
rv = pkcs11.C_OpenSession(slots[0], (CKF.CKF_SERIAL_SESSION | CKF.CKF_RW_SESSION), IntPtr.Zero, IntPtr.Zero, ref session);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Login as normal user with PIN acquired from URI
byte[] pinValue = ConvertUtils.Utf8StringToBytes(pkcs11Uri.PinValue);
rv = pkcs11.C_Login(session, CKU.CKU_USER, pinValue, Convert.ToUInt32(pinValue.Length));
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Get list of object attributes for the private key specified by URI
CK_ATTRIBUTE[] attributes = null;
Pkcs11UriUtils.GetObjectAttributes(pkcs11Uri, out attributes);
// Find private key specified by URI
uint foundObjectCount = 0;
uint[] foundObjectIds = new uint[] { CK.CK_INVALID_HANDLE };
rv = pkcs11.C_FindObjectsInit(session, attributes, Convert.ToUInt32(attributes.Length));
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
rv = pkcs11.C_FindObjects(session, foundObjectIds, Convert.ToUInt32(foundObjectIds.Length), ref foundObjectCount);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
rv = pkcs11.C_FindObjectsFinal(session);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
if ((foundObjectCount == 0) || (foundObjectIds[0] == CK.CK_INVALID_HANDLE))
throw new Exception("None of the private keys match PKCS#11 URI");
// Create signature with the private key specified by URI
CK_MECHANISM mechanism = CkmUtils.CreateMechanism(CKM.CKM_SHA1_RSA_PKCS);
rv = pkcs11.C_SignInit(session, ref mechanism, foundObjectIds[0]);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
uint signatureLen = 0;
rv = pkcs11.C_Sign(session, data, Convert.ToUInt32(data.Length), null, ref signatureLen);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
Assert.IsTrue(signatureLen > 0);
byte[] signature = new byte[signatureLen];
rv = pkcs11.C_Sign(session, data, Convert.ToUInt32(data.Length), signature, ref signatureLen);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
if (signature.Length != signatureLen)
Array.Resize(ref signature, Convert.ToInt32(signatureLen));
// Release PKCS#11 resources
rv = pkcs11.C_Logout(session);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
rv = pkcs11.C_CloseSession(session);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
rv = pkcs11.C_Finalize(IntPtr.Zero);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
return signature;
}
}
public void _01_BasicObjectFindingTest()
{
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);
uint session = CK.CK_INVALID_HANDLE;
rv = pkcs11.C_OpenSession(slotId, (CKF.CKF_SERIAL_SESSION | CKF.CKF_RW_SESSION), IntPtr.Zero, IntPtr.Zero, ref session);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Login as normal user
rv = pkcs11.C_Login(session, CKU.CKU_USER, Settings.NormalUserPinArray, Convert.ToUInt32(Settings.NormalUserPinArray.Length));
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Let's create two objects so we can find something
uint objectId1 = CK.CK_INVALID_HANDLE;
rv = Helpers.CreateDataObject(pkcs11, session, ref objectId1);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
uint objectId2 = CK.CK_INVALID_HANDLE;
rv = Helpers.CreateDataObject(pkcs11, session, ref objectId2);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Prepare attribute template that defines search criteria
CK_ATTRIBUTE[] template = new CK_ATTRIBUTE[2];
template[0] = CkaUtils.CreateAttribute(CKA.CKA_CLASS, CKO.CKO_DATA);
template[1] = CkaUtils.CreateAttribute(CKA.CKA_TOKEN, true);
// Initialize searching
rv = pkcs11.C_FindObjectsInit(session, template, Convert.ToUInt32(template.Length));
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Get search results
uint foundObjectCount = 0;
uint[] foundObjectIds = new uint[2];
foundObjectIds[0] = CK.CK_INVALID_HANDLE;
foundObjectIds[1] = CK.CK_INVALID_HANDLE;
rv = pkcs11.C_FindObjects(session, foundObjectIds, Convert.ToUInt32(foundObjectIds.Length), ref foundObjectCount);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Terminate searching
rv = pkcs11.C_FindObjectsFinal(session);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Do something interesting with found objects
Assert.IsTrue((foundObjectIds[0] != CK.CK_INVALID_HANDLE) && (foundObjectIds[1] != CK.CK_INVALID_HANDLE));
// In LowLevelAPI we have to free unmanaged memory taken by attributes
for (int i = 0; i < template.Length; i++)
{
UnmanagedMemory.Free(ref template[i].value);
template[i].valueLen = 0;
}
rv = pkcs11.C_DestroyObject(session, objectId2);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
rv = pkcs11.C_DestroyObject(session, objectId1);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
rv = pkcs11.C_Logout(session);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
rv = pkcs11.C_CloseSession(session);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
rv = pkcs11.C_Finalize(IntPtr.Zero);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
}
}
