| public C_Verify ( uint session, byte data, uint dataLen, byte signature, uint signatureLen ) : CKR | ||
| session | uint | The session's handle |
| data | byte | Data that were signed |
| dataLen | uint | The length of the data |
| signature | byte | Signature of data |
| signatureLen | uint | The length of signature |
| return | CKR | |
public void _01_SignAndVerifySinglePartTest()
{
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());
// Generate asymetric key pair
uint pubKeyId = CK.CK_INVALID_HANDLE;
uint privKeyId = CK.CK_INVALID_HANDLE;
rv = Helpers.GenerateKeyPair(pkcs11, session, ref pubKeyId, ref privKeyId);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Specify signing mechanism (needs no parameter => no unamanaged memory is needed)
CK_MECHANISM mechanism = CkmUtils.CreateMechanism(CKM.CKM_SHA1_RSA_PKCS);
// Initialize signing operation
rv = pkcs11.C_SignInit(session, ref mechanism, privKeyId);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
byte[] sourceData = ConvertUtils.Utf8StringToBytes("Hello world");
// Get length of signature in first call
uint signatureLen = 0;
rv = pkcs11.C_Sign(session, sourceData, Convert.ToUInt32(sourceData.Length), null, ref signatureLen);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
Assert.IsTrue(signatureLen > 0);
// Allocate array for signature
byte[] signature = new byte[signatureLen];
// Get signature in second call
rv = pkcs11.C_Sign(session, sourceData, Convert.ToUInt32(sourceData.Length), signature, ref signatureLen);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Do something interesting with signature
// Initialize verification operation
rv = pkcs11.C_VerifyInit(session, ref mechanism, pubKeyId);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Verify signature
rv = pkcs11.C_Verify(session, sourceData, Convert.ToUInt32(sourceData.Length), signature, Convert.ToUInt32(signature.Length));
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Do something interesting with verification result
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_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());
}
}