public C_GenerateKey ( uint session, |
||
session | uint | The session's handle |
mechanism | Key generation mechanism | |
template | The template for the new key or set of domain parameters | |
count | uint | The number of attributes in the template |
key | uint | Location that receives the handle of the new key or set of domain parameters |
return | CKR |
public void _01_GenerateKeyTest() { if (Platform.UnmanagedLongSize != 4 || Platform.StructPackingSize != 1) 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.InitArgs41); 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()); // Prepare attribute template of new key CK_ATTRIBUTE[] template = new CK_ATTRIBUTE[4]; template[0] = CkaUtils.CreateAttribute(CKA.CKA_CLASS, CKO.CKO_SECRET_KEY); template[1] = CkaUtils.CreateAttribute(CKA.CKA_KEY_TYPE, CKK.CKK_DES3); template[2] = CkaUtils.CreateAttribute(CKA.CKA_ENCRYPT, true); template[3] = CkaUtils.CreateAttribute(CKA.CKA_DECRYPT, true); // Specify key generation mechanism (needs no parameter => no unamanaged memory is needed) CK_MECHANISM mechanism = CkmUtils.CreateMechanism(CKM.CKM_DES3_KEY_GEN); // Generate key uint keyId = CK.CK_INVALID_HANDLE; rv = pkcs11.C_GenerateKey(session, ref mechanism, template, Convert.ToUInt32(template.Length), ref keyId); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // 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; } // Do something interesting with generated key // Destroy object rv = pkcs11.C_DestroyObject(session, keyId); 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()); } }
/// <summary> /// Generates symetric key. /// </summary> /// <param name='pkcs11'>Initialized PKCS11 wrapper</param> /// <param name='session'>Read-write session with user logged in</param> /// <param name='keyId'>Output parameter for key object handle</param> /// <returns>Return value of C_GenerateKey</returns> public static CKR GenerateKey(Pkcs11 pkcs11, uint session, ref uint keyId) { CKR rv = CKR.CKR_OK; // Prepare attribute template of new key CK_ATTRIBUTE[] template = new CK_ATTRIBUTE[6]; template[0] = CkaUtils.CreateAttribute(CKA.CKA_CLASS, CKO.CKO_SECRET_KEY); template[1] = CkaUtils.CreateAttribute(CKA.CKA_KEY_TYPE, CKK.CKK_DES3); template[2] = CkaUtils.CreateAttribute(CKA.CKA_ENCRYPT, true); template[3] = CkaUtils.CreateAttribute(CKA.CKA_DECRYPT, true); template[4] = CkaUtils.CreateAttribute(CKA.CKA_DERIVE, true); template[5] = CkaUtils.CreateAttribute(CKA.CKA_EXTRACTABLE, true); // Specify key generation mechanism (needs no parameter => no unamanaged memory is needed) CK_MECHANISM mechanism = CkmUtils.CreateMechanism(CKM.CKM_DES3_KEY_GEN); // Generate key rv = pkcs11.C_GenerateKey(session, ref mechanism, template, Convert.ToUInt32(template.Length), ref keyId); // 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; } return rv; }