public void _01_BasicDeriveKeyTest()
{
Helpers.CheckPlatform();
CKR rv = CKR.CKR_OK;
using (Pkcs11Library pkcs11Library = new Pkcs11Library(Settings.Pkcs11LibraryPath))
{
rv = pkcs11Library.C_Initialize(Settings.InitArgs81);
if ((rv != CKR.CKR_OK) && (rv != CKR.CKR_CRYPTOKI_ALREADY_INITIALIZED))
{
Assert.Fail(rv.ToString());
}
// Find first slot with token present
NativeULong slotId = Helpers.GetUsableSlot(pkcs11Library);
// Open RW session
NativeULong session = CK.CK_INVALID_HANDLE;
rv = pkcs11Library.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 = pkcs11Library.C_Login(session, CKU.CKU_USER, Settings.NormalUserPinArray, ConvertUtils.UInt64FromInt32(Settings.NormalUserPinArray.Length));
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
// Generate symetric key
NativeULong baseKeyId = CK.CK_INVALID_HANDLE;
rv = Helpers.GenerateKey(pkcs11Library, 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 = pkcs11Library.C_GenerateRandom(session, data, ConvertUtils.UInt64FromInt32(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 = ConvertUtils.UInt64FromInt32(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
NativeULong derivedKey = CK.CK_INVALID_HANDLE;
rv = pkcs11Library.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 = pkcs11Library.C_DestroyObject(session, baseKeyId);
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
rv = pkcs11Library.C_DestroyObject(session, derivedKey);
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
rv = pkcs11Library.C_Logout(session);
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
rv = pkcs11Library.C_CloseSession(session);
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
rv = pkcs11Library.C_Finalize(IntPtr.Zero);
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
}
}
public void _LL_25_26_02_DeriveAndWrap_VKO_Gost3410_12_Test()
{
Helpers.CheckPlatform();
CKR rv = CKR.CKR_OK;
using (RutokenPkcs11Library pkcs11 = new RutokenPkcs11Library(Settings.Pkcs11LibraryPath))
{
// Инициализация библиотеки
rv = pkcs11.C_Initialize(Settings.InitArgs40);
if ((rv != CKR.CKR_OK) && (rv != CKR.CKR_CRYPTOKI_ALREADY_INITIALIZED))
{
Assert.Fail(rv.ToString());
}
// Установление соединения с Рутокен в первом доступном слоте
NativeULong slotId = Helpers.GetUsableSlot(pkcs11);
// Открытие RW сессии
NativeULong 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());
}
// Выполнение аутентификации пользователя
rv = pkcs11.C_Login(session, CKU.CKU_USER, Settings.NormalUserPinArray, Convert.ToUInt32(Settings.NormalUserPinArray.Length));
if (rv != CKR.CKR_OK && rv != CKR.CKR_USER_ALREADY_LOGGED_IN)
{
Assert.Fail(rv.ToString());
}
// Генерация параметра для структуры типа CK_GOSTR3410_DERIVE_PARAMS
// для выработки общего ключа
byte[] ukm = new byte[Settings.UKM_LENGTH];
rv = pkcs11.C_GenerateRandom(session, ukm, Convert.ToUInt32(ukm.Length));
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
// Генерация значения сессионного ключа
byte[] sessionKeyValue = new byte[Settings.GOST_28147_KEY_SIZE];
rv = pkcs11.C_GenerateRandom(session, sessionKeyValue, Convert.ToUInt32(sessionKeyValue.Length));
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
// Генерация ключевой пары ГОСТ Р 34.10-2012 отправителя
NativeULong senderPubKeyId = CK.CK_INVALID_HANDLE;
NativeULong senderPrivKeyId = CK.CK_INVALID_HANDLE;
Helpers.GenerateGost512KeyPair(pkcs11, session, ref senderPubKeyId, ref senderPrivKeyId, Settings.Gost512KeyPairId1);
// Генерация ключевой пары ГОСТ Р 34.10-2012 получателя
NativeULong recipientPubKeyId = CK.CK_INVALID_HANDLE;
NativeULong recipientPrivKeyId = CK.CK_INVALID_HANDLE;
Helpers.GenerateGost512KeyPair(pkcs11, session, ref recipientPubKeyId, ref recipientPrivKeyId, Settings.Gost512KeyPairId2);
// Выработка общего ключа на стороне отправителя
NativeULong senderDerivedKeyId = CK.CK_INVALID_HANDLE;
Helpers.Derive_GostR3410_12_Key(pkcs11, session, recipientPubKeyId, senderPrivKeyId, ukm, ref senderDerivedKeyId);
// Шаблон для создания маскируемого ключа
CK_ATTRIBUTE[] sessionKeyTemplate = new CK_ATTRIBUTE[9];
sessionKeyTemplate[0] = CkaUtils.CreateAttribute(CKA.CKA_CLASS, CKO.CKO_SECRET_KEY);
sessionKeyTemplate[1] = CkaUtils.CreateAttribute(CKA.CKA_LABEL, Settings.WrappedGost28147_89KeyLabel);
sessionKeyTemplate[2] = CkaUtils.CreateAttribute(CKA.CKA_KEY_TYPE, CKK.CKK_GOST28147);
sessionKeyTemplate[3] = CkaUtils.CreateAttribute(CKA.CKA_TOKEN, false);
sessionKeyTemplate[4] = CkaUtils.CreateAttribute(CKA.CKA_MODIFIABLE, true);
sessionKeyTemplate[5] = CkaUtils.CreateAttribute(CKA.CKA_PRIVATE, true);
sessionKeyTemplate[6] = CkaUtils.CreateAttribute(CKA.CKA_VALUE, sessionKeyValue);
sessionKeyTemplate[7] = CkaUtils.CreateAttribute(CKA.CKA_EXTRACTABLE, true);
sessionKeyTemplate[8] = CkaUtils.CreateAttribute(CKA.CKA_SENSITIVE, false);
// Выработка ключа, который будет замаскирован
NativeULong sessionKeyId = CK.CK_INVALID_HANDLE;
rv = pkcs11.C_CreateObject(session, sessionKeyTemplate, Convert.ToUInt32(sessionKeyTemplate.Length), ref sessionKeyId);
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
Assert.IsTrue(sessionKeyId != CK.CK_INVALID_HANDLE);
// Определение параметров механизма маскирования
// В LowLevelAPI выделенная для параметров память должны быть освобождена после использования
CK_KEY_DERIVATION_STRING_DATA wrapMechanismParams = new CK_KEY_DERIVATION_STRING_DATA();
wrapMechanismParams.Data = UnmanagedMemory.Allocate(ukm.Length);
UnmanagedMemory.Write(wrapMechanismParams.Data, ukm);
wrapMechanismParams.Len = Convert.ToUInt32(ukm.Length);
CK_MECHANISM wrapMechanism = CkmUtils.CreateMechanism(CKM.CKM_GOST28147_KEY_WRAP, wrapMechanismParams);
// Получение длины маскированного ключа
NativeULong wrappedKeyLen = 0;
rv = pkcs11.C_WrapKey(session, ref wrapMechanism, senderDerivedKeyId, sessionKeyId, null, ref wrappedKeyLen);
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
Assert.IsTrue(wrappedKeyLen > 0);
byte[] wrappedKey = new byte[wrappedKeyLen];
// Маскирование ключа на общем ключе, выработанном на стороне отправителя
rv = pkcs11.C_WrapKey(session, ref wrapMechanism, senderDerivedKeyId, sessionKeyId, wrappedKey, ref wrappedKeyLen);
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
// Выработка общего ключа на стороне получателя
NativeULong recipientDerivedKeyId = CK.CK_INVALID_HANDLE;
Helpers.Derive_GostR3410_12_Key(pkcs11, session, senderPubKeyId, recipientPrivKeyId, ukm, ref recipientDerivedKeyId);
// Шаблон демаскированного ключа
CK_ATTRIBUTE[] unwrappedKeyTemplate = new CK_ATTRIBUTE[8];
unwrappedKeyTemplate[0] = CkaUtils.CreateAttribute(CKA.CKA_CLASS, CKO.CKO_SECRET_KEY);
unwrappedKeyTemplate[1] = CkaUtils.CreateAttribute(CKA.CKA_LABEL, Settings.UnwrappedGost28147_89KeyLabel);
unwrappedKeyTemplate[2] = CkaUtils.CreateAttribute(CKA.CKA_KEY_TYPE, CKK.CKK_GOST28147);
unwrappedKeyTemplate[3] = CkaUtils.CreateAttribute(CKA.CKA_TOKEN, false);
unwrappedKeyTemplate[4] = CkaUtils.CreateAttribute(CKA.CKA_MODIFIABLE, true);
unwrappedKeyTemplate[5] = CkaUtils.CreateAttribute(CKA.CKA_PRIVATE, false);
unwrappedKeyTemplate[6] = CkaUtils.CreateAttribute(CKA.CKA_EXTRACTABLE, true);
unwrappedKeyTemplate[7] = CkaUtils.CreateAttribute(CKA.CKA_SENSITIVE, false);
// Демаскирование сессионного ключа с помощью общего выработанного
// ключа на стороне получателя
NativeULong unwrappedKeyId = 0;
rv = pkcs11.C_UnwrapKey(session, ref wrapMechanism, recipientDerivedKeyId, wrappedKey, wrappedKeyLen,
unwrappedKeyTemplate, Convert.ToUInt32(unwrappedKeyTemplate.Length), ref unwrappedKeyId);
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
CK_ATTRIBUTE[] valueTemplate = new CK_ATTRIBUTE[1];
valueTemplate[0] = CkaUtils.CreateAttribute(CKA.CKA_VALUE);
// In LowLevelAPI we have to allocate unmanaged memory for attribute value
valueTemplate[0].value = UnmanagedMemory.Allocate(Convert.ToInt32(32));
valueTemplate[0].valueLen = 32;
// Get attribute value in second call
rv = pkcs11.C_GetAttributeValue(session, unwrappedKeyId, valueTemplate, Convert.ToUInt32(valueTemplate.Length));
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
// Сравнение ключа
byte[] unwrappedKey = UnmanagedMemory.Read(valueTemplate[0].value, Convert.ToInt32(valueTemplate[0].valueLen));
Assert.IsTrue(Convert.ToBase64String(sessionKeyValue) == Convert.ToBase64String(unwrappedKey));
// Освобождение выделенной памяти для параметров механизма
UnmanagedMemory.Free(ref wrapMechanismParams.Data);
wrapMechanismParams.Len = 0;
UnmanagedMemory.Free(ref wrapMechanism.Parameter);
wrapMechanism.ParameterLen = 0;
// Удаляем созданные пары ключей
rv = pkcs11.C_DestroyObject(session, senderPrivKeyId);
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
rv = pkcs11.C_DestroyObject(session, senderPubKeyId);
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
rv = pkcs11.C_DestroyObject(session, recipientPrivKeyId);
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
rv = pkcs11.C_DestroyObject(session, recipientPubKeyId);
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
// Удаляем сессионный ключ
rv = pkcs11.C_DestroyObject(session, sessionKeyId);
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
// Удаляем наследованные ключи
rv = pkcs11.C_DestroyObject(session, senderDerivedKeyId);
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
rv = pkcs11.C_DestroyObject(session, recipientDerivedKeyId);
if (rv != CKR.CKR_OK)
{
Assert.Fail(rv.ToString());
}
// Закрываем сессию
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());
}
}
}
