public C_Sign ( uint session, byte data, uint dataLen, byte signature, uint &signatureLen ) : CKR | ||
session | uint | The session's handle |
data | byte | Data to be signed |
dataLen | uint | The length of the data |
signature | byte | /// If set to null then the length of signature is returned in "signatureLen" parameter, without actually returning signature. /// If not set to null then "signatureLen" parameter must contain the lenght of signature array and signature is returned in "signature" parameter. /// |
signatureLen | uint | Location that holds the length of the signature |
리턴 | CKR |
public void _01_SignAndVerifySinglePartTest() { 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()); // 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()); } }
/// <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.InitArgs41); 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; } }