public C_GenerateRandom ( uint session, byte randomData, uint randomLen ) : CKR | ||
session | uint | The session's handle |
randomData | byte | Location that receives the random data |
randomLen | uint | The length in bytes of the random or pseudo-random data to be generated |
return | CKR |
public void _01_BasicDeriveKeyTest() { 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); // Open RW session 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 symetric key uint baseKeyId = CK.CK_INVALID_HANDLE; rv = Helpers.GenerateKey(pkcs11, session, ref baseKeyId); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Generate random data needed for key derivation byte[] data = new byte[24]; rv = pkcs11.C_GenerateRandom(session, data, Convert.ToUInt32(data.Length)); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Specify mechanism parameters // Note that we are allocating unmanaged memory that will have to be freed later CK_KEY_DERIVATION_STRING_DATA mechanismParams = new CK_KEY_DERIVATION_STRING_DATA(); mechanismParams.Data = UnmanagedMemory.Allocate(data.Length); UnmanagedMemory.Write(mechanismParams.Data, data); mechanismParams.Len = Convert.ToUInt32(data.Length); // Specify derivation mechanism with parameters // Note that CkmUtils.CreateMechanism() automaticaly copies mechanismParams into newly allocated unmanaged memory CK_MECHANISM mechanism = CkmUtils.CreateMechanism(CKM.CKM_XOR_BASE_AND_DATA, mechanismParams); // Derive key uint derivedKey = CK.CK_INVALID_HANDLE; rv = pkcs11.C_DeriveKey(session, ref mechanism, baseKeyId, null, 0, ref derivedKey); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Do something interesting with derived key Assert.IsTrue(derivedKey != CK.CK_INVALID_HANDLE); // In LowLevelAPI we have to free all unmanaged memory we previously allocated UnmanagedMemory.Free(ref mechanismParams.Data); mechanismParams.Len = 0; // In LowLevelAPI we have to free unmanaged memory taken by mechanism parameter UnmanagedMemory.Free(ref mechanism.Parameter); mechanism.ParameterLen = 0; rv = pkcs11.C_DestroyObject(session, baseKeyId); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); rv = pkcs11.C_DestroyObject(session, derivedKey); 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()); } }
public void _01_EncryptAndDecryptSinglePartTest() { 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 symetric key uint keyId = CK.CK_INVALID_HANDLE; rv = Helpers.GenerateKey(pkcs11, session, ref keyId); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Generate random initialization vector byte[] iv = new byte[8]; rv = pkcs11.C_GenerateRandom(session, iv, Convert.ToUInt32(iv.Length)); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Specify encryption mechanism with initialization vector as parameter. // Note that CkmUtils.CreateMechanism() automaticaly copies iv into newly allocated unmanaged memory. CK_MECHANISM mechanism = CkmUtils.CreateMechanism(CKM.CKM_DES3_CBC, iv); // Initialize encryption operation rv = pkcs11.C_EncryptInit(session, ref mechanism, keyId); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); byte[] sourceData = ConvertUtils.Utf8StringToBytes("Our new password"); // Get length of encrypted data in first call uint encryptedDataLen = 0; rv = pkcs11.C_Encrypt(session, sourceData, Convert.ToUInt32(sourceData.Length), null, ref encryptedDataLen); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); Assert.IsTrue(encryptedDataLen > 0); // Allocate array for encrypted data byte[] encryptedData = new byte[encryptedDataLen]; // Get encrypted data in second call rv = pkcs11.C_Encrypt(session, sourceData, Convert.ToUInt32(sourceData.Length), encryptedData, ref encryptedDataLen); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Do something interesting with encrypted data // Initialize decryption operation rv = pkcs11.C_DecryptInit(session, ref mechanism, keyId); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Get length of decrypted data in first call uint decryptedDataLen = 0; rv = pkcs11.C_Decrypt(session, encryptedData, Convert.ToUInt32(encryptedData.Length), null, ref decryptedDataLen); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); Assert.IsTrue(decryptedDataLen > 0); // Allocate array for decrypted data byte[] decryptedData = new byte[decryptedDataLen]; // Get decrypted data in second call rv = pkcs11.C_Decrypt(session, encryptedData, Convert.ToUInt32(encryptedData.Length), decryptedData, ref decryptedDataLen); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Do something interesting with decrypted data Assert.IsTrue(Convert.ToBase64String(sourceData) == Convert.ToBase64String(decryptedData)); // In LowLevelAPI we have to free unmanaged memory taken by mechanism parameter (iv in this case) UnmanagedMemory.Free(ref mechanism.Parameter); mechanism.ParameterLen = 0; 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()); } }
public void _02_EncryptAndDecryptMultiPartTest() { 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 symetric key uint keyId = CK.CK_INVALID_HANDLE; rv = Helpers.GenerateKey(pkcs11, session, ref keyId); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Generate random initialization vector byte[] iv = new byte[8]; rv = pkcs11.C_GenerateRandom(session, iv, Convert.ToUInt32(iv.Length)); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Specify encryption mechanism with initialization vector as parameter. // Note that CkmUtils.CreateMechanism() automaticaly copies iv into newly allocated unmanaged memory. CK_MECHANISM mechanism = CkmUtils.CreateMechanism(CKM.CKM_DES3_CBC, iv); byte[] sourceData = ConvertUtils.Utf8StringToBytes("Our new password"); byte[] encryptedData = null; byte[] decryptedData = null; // Multipart encryption functions C_EncryptUpdate and C_EncryptFinal can be used i.e. for encryption of streamed data using (MemoryStream inputStream = new MemoryStream(sourceData), outputStream = new MemoryStream()) { // Initialize encryption operation rv = pkcs11.C_EncryptInit(session, ref mechanism, keyId); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Prepare buffer for source data part // Note that in real world application we would rather use bigger buffer i.e. 4096 bytes long byte[] part = new byte[8]; // Prepare buffer for encrypted data part // Note that in real world application we would rather use bigger buffer i.e. 4096 bytes long byte[] encryptedPart = new byte[8]; uint encryptedPartLen = Convert.ToUInt32(encryptedPart.Length); // Read input stream with source data int bytesRead = 0; while ((bytesRead = inputStream.Read(part, 0, part.Length)) > 0) { // Encrypt each individual source data part encryptedPartLen = Convert.ToUInt32(encryptedPart.Length); rv = pkcs11.C_EncryptUpdate(session, part, Convert.ToUInt32(bytesRead), encryptedPart, ref encryptedPartLen); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Append encrypted data part to the output stream outputStream.Write(encryptedPart, 0, Convert.ToInt32(encryptedPartLen)); } // Get the length of last encrypted data part in first call byte[] lastEncryptedPart = null; uint lastEncryptedPartLen = 0; rv = pkcs11.C_EncryptFinal(session, null, ref lastEncryptedPartLen); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Allocate array for the last encrypted data part lastEncryptedPart = new byte[lastEncryptedPartLen]; // Get the last encrypted data part in second call rv = pkcs11.C_EncryptFinal(session, lastEncryptedPart, ref lastEncryptedPartLen); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Append the last encrypted data part to the output stream outputStream.Write(lastEncryptedPart, 0, Convert.ToInt32(lastEncryptedPartLen)); // Read whole output stream to the byte array so we can compare results more easily encryptedData = outputStream.ToArray(); } // Do something interesting with encrypted data // Multipart decryption functions C_DecryptUpdate and C_DecryptFinal can be used i.e. for decryption of streamed data using (MemoryStream inputStream = new MemoryStream(encryptedData), outputStream = new MemoryStream()) { // Initialize decryption operation rv = pkcs11.C_DecryptInit(session, ref mechanism, keyId); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Prepare buffer for encrypted data part // Note that in real world application we would rather use bigger buffer i.e. 4096 bytes long byte[] encryptedPart = new byte[8]; // Prepare buffer for decrypted data part // Note that in real world application we would rather use bigger buffer i.e. 4096 bytes long byte[] part = new byte[8]; uint partLen = Convert.ToUInt32(part.Length); // Read input stream with encrypted data int bytesRead = 0; while ((bytesRead = inputStream.Read(encryptedPart, 0, encryptedPart.Length)) > 0) { // Decrypt each individual encrypted data part partLen = Convert.ToUInt32(part.Length); rv = pkcs11.C_DecryptUpdate(session, encryptedPart, Convert.ToUInt32(bytesRead), part, ref partLen); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Append decrypted data part to the output stream outputStream.Write(part, 0, Convert.ToInt32(partLen)); } // Get the length of last decrypted data part in first call byte[] lastPart = null; uint lastPartLen = 0; rv = pkcs11.C_DecryptFinal(session, null, ref lastPartLen); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Allocate array for the last decrypted data part lastPart = new byte[lastPartLen]; // Get the last decrypted data part in second call rv = pkcs11.C_DecryptFinal(session, lastPart, ref lastPartLen); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Append the last decrypted data part to the output stream outputStream.Write(lastPart, 0, Convert.ToInt32(lastPartLen)); // Read whole output stream to the byte array so we can compare results more easily decryptedData = outputStream.ToArray(); } // Do something interesting with decrypted data Assert.IsTrue(Convert.ToBase64String(sourceData) == Convert.ToBase64String(decryptedData)); // In LowLevelAPI we have to free unmanaged memory taken by mechanism parameter (iv in this case) UnmanagedMemory.Free(ref mechanism.Parameter); mechanism.ParameterLen = 0; 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()); } }
public void _02_GenerateKeyPairTest() { 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()); // The CKA_ID attribute is intended as a means of distinguishing multiple key pairs held by the same subject byte[] ckaId = new byte[20]; rv = pkcs11.C_GenerateRandom(session, ckaId, Convert.ToUInt32(ckaId.Length)); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Prepare attribute template of new public key CK_ATTRIBUTE[] pubKeyTemplate = new CK_ATTRIBUTE[10]; pubKeyTemplate[0] = CkaUtils.CreateAttribute(CKA.CKA_TOKEN, true); pubKeyTemplate[1] = CkaUtils.CreateAttribute(CKA.CKA_PRIVATE, false); pubKeyTemplate[2] = CkaUtils.CreateAttribute(CKA.CKA_LABEL, Settings.ApplicationName); pubKeyTemplate[3] = CkaUtils.CreateAttribute(CKA.CKA_ID, ckaId); pubKeyTemplate[4] = CkaUtils.CreateAttribute(CKA.CKA_ENCRYPT, true); pubKeyTemplate[5] = CkaUtils.CreateAttribute(CKA.CKA_VERIFY, true); pubKeyTemplate[6] = CkaUtils.CreateAttribute(CKA.CKA_VERIFY_RECOVER, true); pubKeyTemplate[7] = CkaUtils.CreateAttribute(CKA.CKA_WRAP, true); pubKeyTemplate[8] = CkaUtils.CreateAttribute(CKA.CKA_MODULUS_BITS, 1024); pubKeyTemplate[9] = CkaUtils.CreateAttribute(CKA.CKA_PUBLIC_EXPONENT, new byte[] { 0x01, 0x00, 0x01 }); // Prepare attribute template of new private key CK_ATTRIBUTE[] privKeyTemplate = new CK_ATTRIBUTE[9]; privKeyTemplate[0] = CkaUtils.CreateAttribute(CKA.CKA_TOKEN, true); privKeyTemplate[1] = CkaUtils.CreateAttribute(CKA.CKA_PRIVATE, true); privKeyTemplate[2] = CkaUtils.CreateAttribute(CKA.CKA_LABEL, Settings.ApplicationName); privKeyTemplate[3] = CkaUtils.CreateAttribute(CKA.CKA_ID, ckaId); privKeyTemplate[4] = CkaUtils.CreateAttribute(CKA.CKA_SENSITIVE, true); privKeyTemplate[5] = CkaUtils.CreateAttribute(CKA.CKA_DECRYPT, true); privKeyTemplate[6] = CkaUtils.CreateAttribute(CKA.CKA_SIGN, true); privKeyTemplate[7] = CkaUtils.CreateAttribute(CKA.CKA_SIGN_RECOVER, true); privKeyTemplate[8] = CkaUtils.CreateAttribute(CKA.CKA_UNWRAP, true); // Specify key generation mechanism (needs no parameter => no unamanaged memory is needed) CK_MECHANISM mechanism = CkmUtils.CreateMechanism(CKM.CKM_RSA_PKCS_KEY_PAIR_GEN); // Generate key pair uint pubKeyId = CK.CK_INVALID_HANDLE; uint privKeyId = CK.CK_INVALID_HANDLE; rv = pkcs11.C_GenerateKeyPair(session, ref mechanism, pubKeyTemplate, Convert.ToUInt32(pubKeyTemplate.Length), privKeyTemplate, Convert.ToUInt32(privKeyTemplate.Length), ref pubKeyId, ref privKeyId); 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 < privKeyTemplate.Length; i++) { UnmanagedMemory.Free(ref privKeyTemplate[i].value); privKeyTemplate[i].valueLen = 0; } for (int i = 0; i < pubKeyTemplate.Length; i++) { UnmanagedMemory.Free(ref pubKeyTemplate[i].value); pubKeyTemplate[i].valueLen = 0; } // Do something interesting with generated key pair // Destroy object 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> /// Generates asymetric key pair. /// </summary> /// <param name='pkcs11'>Initialized PKCS11 wrapper</param> /// <param name='session'>Read-write session with user logged in</param> /// <param name='pubKeyId'>Output parameter for public key object handle</param> /// <param name='privKeyId'>Output parameter for private key object handle</param> /// <returns>Return value of C_GenerateKeyPair</returns> public static CKR GenerateKeyPair(Pkcs11 pkcs11, uint session, ref uint pubKeyId, ref uint privKeyId) { CKR rv = CKR.CKR_OK; // The CKA_ID attribute is intended as a means of distinguishing multiple key pairs held by the same subject byte[] ckaId = new byte[20]; rv = pkcs11.C_GenerateRandom(session, ckaId, Convert.ToUInt32(ckaId.Length)); if (rv != CKR.CKR_OK) return rv; // Prepare attribute template of new public key CK_ATTRIBUTE[] pubKeyTemplate = new CK_ATTRIBUTE[10]; pubKeyTemplate[0] = CkaUtils.CreateAttribute(CKA.CKA_TOKEN, true); pubKeyTemplate[1] = CkaUtils.CreateAttribute(CKA.CKA_PRIVATE, false); pubKeyTemplate[2] = CkaUtils.CreateAttribute(CKA.CKA_LABEL, Settings.ApplicationName); pubKeyTemplate[3] = CkaUtils.CreateAttribute(CKA.CKA_ID, ckaId); pubKeyTemplate[4] = CkaUtils.CreateAttribute(CKA.CKA_ENCRYPT, true); pubKeyTemplate[5] = CkaUtils.CreateAttribute(CKA.CKA_VERIFY, true); pubKeyTemplate[6] = CkaUtils.CreateAttribute(CKA.CKA_VERIFY_RECOVER, true); pubKeyTemplate[7] = CkaUtils.CreateAttribute(CKA.CKA_WRAP, true); pubKeyTemplate[8] = CkaUtils.CreateAttribute(CKA.CKA_MODULUS_BITS, 1024); pubKeyTemplate[9] = CkaUtils.CreateAttribute(CKA.CKA_PUBLIC_EXPONENT, new byte[] { 0x01, 0x00, 0x01 }); // Prepare attribute template of new private key CK_ATTRIBUTE[] privKeyTemplate = new CK_ATTRIBUTE[9]; privKeyTemplate[0] = CkaUtils.CreateAttribute(CKA.CKA_TOKEN, true); privKeyTemplate[1] = CkaUtils.CreateAttribute(CKA.CKA_PRIVATE, true); privKeyTemplate[2] = CkaUtils.CreateAttribute(CKA.CKA_LABEL, Settings.ApplicationName); privKeyTemplate[3] = CkaUtils.CreateAttribute(CKA.CKA_ID, ckaId); privKeyTemplate[4] = CkaUtils.CreateAttribute(CKA.CKA_SENSITIVE, true); privKeyTemplate[5] = CkaUtils.CreateAttribute(CKA.CKA_DECRYPT, true); privKeyTemplate[6] = CkaUtils.CreateAttribute(CKA.CKA_SIGN, true); privKeyTemplate[7] = CkaUtils.CreateAttribute(CKA.CKA_SIGN_RECOVER, true); privKeyTemplate[8] = CkaUtils.CreateAttribute(CKA.CKA_UNWRAP, true); // Specify key generation mechanism (needs no parameter => no unamanaged memory is needed) CK_MECHANISM mechanism = CkmUtils.CreateMechanism(CKM.CKM_RSA_PKCS_KEY_PAIR_GEN); // Generate key pair rv = pkcs11.C_GenerateKeyPair(session, ref mechanism, pubKeyTemplate, Convert.ToUInt32(pubKeyTemplate.Length), privKeyTemplate, Convert.ToUInt32(privKeyTemplate.Length), ref pubKeyId, ref privKeyId); // In LowLevelAPI we have to free unmanaged memory taken by attributes for (int i = 0; i < privKeyTemplate.Length; i++) { UnmanagedMemory.Free(ref privKeyTemplate[i].value); privKeyTemplate[i].valueLen = 0; } for (int i = 0; i < pubKeyTemplate.Length; i++) { UnmanagedMemory.Free(ref pubKeyTemplate[i].value); pubKeyTemplate[i].valueLen = 0; } return rv; }
public void _02_GenerateRandomTest() { 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); // Open RO (read-only) session uint session = CK.CK_INVALID_HANDLE; rv = pkcs11.C_OpenSession(slotId, CKF.CKF_SERIAL_SESSION, IntPtr.Zero, IntPtr.Zero, ref session); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Allocate array for random bytes byte[] randomData = new byte[256]; // Get random or pseudo-random data rv = pkcs11.C_GenerateRandom(session, randomData, Convert.ToUInt32(randomData.Length)); if (rv != CKR.CKR_OK) Assert.Fail(rv.ToString()); // Do something interesting with random data 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()); } }