| public C_WrapKey ( ulong session, CK_MECHANISM &mechanism, ulong wrappingKey, ulong key, byte wrappedKey, ulong &wrappedKeyLen ) : CKR | ||
| session | ulong | The session's handle |
| mechanism | CK_MECHANISM | Wrapping mechanism |
| wrappingKey | ulong | The handle of the wrapping key |
| key | ulong | The handle of the key to be wrapped |
| wrappedKey | byte | /// If set to null then the length of wrapped key is returned in "wrappedKeyLen" parameter, without actually returning wrapped key. /// If not set to null then "wrappedKeyLen" parameter must contain the lenght of wrappedKey array and wrapped key is returned in "wrappedKey" parameter. /// |
| wrappedKeyLen | ulong | Location that receives the length of the wrapped key |
| return | CKR | |
public void _01_BasicWrapAndUnwrapKeyTest()
{
if (Platform.UnmanagedLongSize != 8 || 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.InitArgs80);
if ((rv != CKR.CKR_OK) && (rv != CKR.CKR_CRYPTOKI_ALREADY_INITIALIZED))
Assert.Fail(rv.ToString());
// Find first slot with token present
ulong slotId = Helpers.GetUsableSlot(pkcs11);
ulong 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.ToUInt64(Settings.NormalUserPinArray.Length));
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Generate asymetric key pair
ulong pubKeyId = CK.CK_INVALID_HANDLE;
ulong privKeyId = CK.CK_INVALID_HANDLE;
rv = Helpers.GenerateKeyPair(pkcs11, session, ref pubKeyId, ref privKeyId);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Generate symetric key
ulong keyId = CK.CK_INVALID_HANDLE;
rv = Helpers.GenerateKey(pkcs11, session, ref keyId);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Specify wrapping mechanism (needs no parameter => no unamanaged memory is needed)
CK_MECHANISM mechanism = CkmUtils.CreateMechanism(CKM.CKM_RSA_PKCS);
// Get length of wrapped key in first call
ulong wrappedKeyLen = 0;
rv = pkcs11.C_WrapKey(session, ref mechanism, pubKeyId, keyId, null, ref wrappedKeyLen);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
Assert.IsTrue(wrappedKeyLen > 0);
// Allocate array for wrapped key
byte[] wrappedKey = new byte[wrappedKeyLen];
// Get wrapped key in second call
rv = pkcs11.C_WrapKey(session, ref mechanism, pubKeyId, keyId, wrappedKey, ref wrappedKeyLen);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Do something interesting with wrapped key
// Define attributes for unwrapped 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);
// Unwrap key
ulong unwrappedKeyId = 0;
rv = pkcs11.C_UnwrapKey(session, ref mechanism, privKeyId, wrappedKey, wrappedKeyLen, template, Convert.ToUInt64(template.Length), ref unwrappedKeyId);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Do something interesting with unwrapped key
rv = pkcs11.C_DestroyObject(session, privKeyId);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
rv = pkcs11.C_DestroyObject(session, pubKeyId);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
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());
}
}