/// <summary>
/// Creates attribute of given type with ulong array value
/// </summary>
/// <param name="type">Attribute type</param>
/// <param name="value">Attribute value</param>
/// <returns>Attribute of given type with ulong array value</returns>
public static CK_ATTRIBUTE CreateAttribute(ulong type, ulong[] value)
{
CK_ATTRIBUTE attribute = new CK_ATTRIBUTE();
attribute.type = type;
if ((value != null) && (value.Length > 0))
{
int ckmSize = UnmanagedMemory.SizeOf(typeof(ulong));
attribute.value = UnmanagedMemory.Allocate(ckmSize * value.Length);
for (int i = 0; i < value.Length; i++)
{
IntPtr tempPointer = new IntPtr(attribute.value.ToInt64() + (i * ckmSize));
UnmanagedMemory.Write(tempPointer, ConvertUtils.ULongToBytes(value[i]));
}
attribute.valueLen = Convert.ToUInt64(ckmSize * value.Length);
}
else
{
attribute.value = IntPtr.Zero;
attribute.valueLen = 0;
}
return attribute;
}
/// <summary>
/// Reads value of attribute and returns it as byte array
/// </summary>
/// <param name="attribute">Attribute whose value should be read</param>
/// <param name="value">Location that receives attribute value</param>
public static void ConvertValue(ref CK_ATTRIBUTE attribute, out byte[] value)
{
value = ConvertValue(ref attribute);
}
/// <summary>
/// Creates attribute of given type with attribute array value
/// </summary>
/// <param name="type">Attribute type</param>
/// <param name="value">Attribute value</param>
/// <returns>Attribute of given type with attribute array value</returns>
public static CK_ATTRIBUTE CreateAttribute(CKA type, CK_ATTRIBUTE[] value)
{
return CreateAttribute(Convert.ToUInt64((uint)type), value);
}
/// <summary>
/// Searches for all token and session objects that match provided attributes
/// </summary>
/// <param name="attributes">Attributes that should be matched</param>
/// <returns>Handles of found objects</returns>
public List<ObjectHandle> FindAllObjects(List<ObjectAttribute> attributes)
{
if (this._disposed)
throw new ObjectDisposedException(this.GetType().FullName);
List<ObjectHandle> foundObjects = new List<ObjectHandle>();
CK_ATTRIBUTE[] template = null;
ulong templateLength = 0;
if (attributes != null)
{
templateLength = Convert.ToUInt64(attributes.Count);
template = new CK_ATTRIBUTE[templateLength];
for (int i = 0; i < Convert.ToInt32(templateLength); i++)
template[i] = attributes[i].CkAttribute;
}
CKR rv = _p11.C_FindObjectsInit(_sessionId, template, templateLength);
if (rv != CKR.CKR_OK)
throw new Pkcs11Exception("C_FindObjectsInit", rv);
ulong objectsLength = 256;
ulong[] objects = new ulong[objectsLength];
ulong objectCount = objectsLength;
while (objectCount == objectsLength)
{
rv = _p11.C_FindObjects(_sessionId, objects, objectsLength, ref objectCount);
if (rv != CKR.CKR_OK)
throw new Pkcs11Exception("C_FindObjects", rv);
for (int i = 0; i < Convert.ToInt32(objectCount); i++)
foundObjects.Add(new ObjectHandle(objects[i]));
}
rv = _p11.C_FindObjectsFinal(_sessionId);
if (rv != CKR.CKR_OK)
throw new Pkcs11Exception("C_FindObjectsFinal", rv);
return foundObjects;
}
/// <summary>
/// Reads value of attribute and returns it as bool
/// </summary>
/// <param name="attribute">Attribute whose value should be read</param>
/// <param name="value">Location that receives attribute value</param>
public static void ConvertValue(ref CK_ATTRIBUTE attribute, out bool value)
{
byte[] bytes = ConvertValue(ref attribute);
value = ConvertUtils.BytesToBool(bytes);
}
/// <summary>
/// Reads value of attribute and returns it as bool
/// </summary>
/// <param name="attribute">Attribute whose value should be read</param>
/// <param name="value">Location that receives attribute value</param>
public static void ConvertValue(ref CK_ATTRIBUTE attribute, out bool value)
{
byte[] bytes = ConvertValue(ref attribute);
value = ConvertUtils.BytesToBool(bytes);
}
/// <summary>
/// Modifies the value of one or more attributes of an object
/// </summary>
/// <param name="objectHandle">Handle of object whose attributes should be modified</param>
/// <param name="attributes">List of attributes that should be modified</param>
public void SetAttributeValue(ObjectHandle objectHandle, List<ObjectAttribute> attributes)
{
if (this._disposed)
throw new ObjectDisposedException(this.GetType().FullName);
if (objectHandle == null)
throw new ArgumentNullException("objectHandle");
if (attributes == null)
throw new ArgumentNullException("attributes");
if (attributes.Count < 1)
throw new ArgumentException("No attributes specified", "attributes");
CK_ATTRIBUTE[] template = new CK_ATTRIBUTE[attributes.Count];
for (int i = 0; i < attributes.Count; i++)
template[i] = attributes[i].CkAttribute;
CKR rv = _p11.C_SetAttributeValue(_sessionId, objectHandle.ObjectId, template, Convert.ToUInt64(template.Length));
if (rv != CKR.CKR_OK)
throw new Pkcs11Exception("C_SetAttributeValue", rv);
}
/// <summary>
/// Initializes a search for token and session objects that match a template
/// </summary>
/// <param name="session">The session's handle</param>
/// <param name="template">Search template that specifies the attribute values to match</param>
/// <param name="count">The number of attributes in the search template</param>
/// <returns>CKR_ARGUMENTS_BAD, CKR_ATTRIBUTE_TYPE_INVALID, CKR_ATTRIBUTE_VALUE_INVALID, CKR_CRYPTOKI_NOT_INITIALIZED, CKR_DEVICE_ERROR, CKR_DEVICE_MEMORY, CKR_DEVICE_REMOVED, CKR_FUNCTION_FAILED, CKR_GENERAL_ERROR, CKR_HOST_MEMORY, CKR_OK, CKR_OPERATION_ACTIVE, CKR_PIN_EXPIRED, CKR_SESSION_CLOSED, CKR_SESSION_HANDLE_INVALID</returns>
public CKR C_FindObjectsInit(ulong session, CK_ATTRIBUTE[] template, ulong count)
{
if (this._disposed)
throw new ObjectDisposedException(this.GetType().FullName);
ulong rv = _delegates.C_FindObjectsInit(session, template, count);
return (CKR)Convert.ToUInt32(rv);
}
public void _01_GetAttributeValueTest()
{
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());
// Create object
ulong objectId = CK.CK_INVALID_HANDLE;
rv = Helpers.CreateDataObject(pkcs11, session, ref objectId);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Prepare list of empty attributes we want to read
CK_ATTRIBUTE[] template = new CK_ATTRIBUTE[2];
template[0] = CkaUtils.CreateAttribute(CKA.CKA_LABEL);
template[1] = CkaUtils.CreateAttribute(CKA.CKA_VALUE);
// Get size of each individual attribute value in first call
rv = pkcs11.C_GetAttributeValue(session, objectId, template, Convert.ToUInt64(template.Length));
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// In LowLevelAPI we have to allocate unmanaged memory for attribute value
for (int i = 0; i < template.Length; i++)
template[i].value = UnmanagedMemory.Allocate(Convert.ToInt32(template[i].valueLen));
// Get attribute value in second call
rv = pkcs11.C_GetAttributeValue(session, objectId, template, Convert.ToUInt64(template.Length));
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Do something interesting with attribute value
byte[] ckaLabel = UnmanagedMemory.Read(template[0].value, Convert.ToInt32(template[0].valueLen));
Assert.IsTrue(Convert.ToBase64String(ckaLabel) == Convert.ToBase64String(Settings.ApplicationNameArray));
// In LowLevelAPI we have to free unmanaged memory taken by attributes
for (int i = 0; i < template.Length; i++)
{
UnmanagedMemory.Free(ref template[i].value);
template[i].valueLen = 0;
}
rv = pkcs11.C_DestroyObject(session, objectId);
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>
/// Copies an object, creating a new object for the copy
/// </summary>
/// <param name="session">The session's handle</param>
/// <param name="objectId">The object's handle</param>
/// <param name="template">Template for the new object</param>
/// <param name="count">The number of attributes in the template</param>
/// <param name="newObjectId">Location that receives the handle for the copy of the object</param>
/// <returns>CKR_ARGUMENTS_BAD, CKR_ATTRIBUTE_READ_ONLY, CKR_ATTRIBUTE_TYPE_INVALID, CKR_ATTRIBUTE_VALUE_INVALID, CKR_CRYPTOKI_NOT_INITIALIZED, CKR_DEVICE_ERROR, CKR_DEVICE_MEMORY, CKR_DEVICE_REMOVED, CKR_FUNCTION_FAILED, CKR_GENERAL_ERROR, CKR_HOST_MEMORY, CKR_OBJECT_HANDLE_INVALID, CKR_OK, CKR_PIN_EXPIRED, CKR_SESSION_CLOSED, CKR_SESSION_HANDLE_INVALID, CKR_SESSION_READ_ONLY, CKR_TEMPLATE_INCONSISTENT, CKR_TOKEN_WRITE_PROTECTED, CKR_USER_NOT_LOGGED_IN</returns>
public CKR C_CopyObject(ulong session, ulong objectId, CK_ATTRIBUTE[] template, ulong count, ref ulong newObjectId)
{
if (this._disposed)
throw new ObjectDisposedException(this.GetType().FullName);
ulong rv = _delegates.C_CopyObject(session, objectId, template, count, ref newObjectId);
return (CKR)Convert.ToUInt32(rv);
}
/// <summary>
/// Modifies the value of one or more attributes of an object
/// </summary>
/// <param name="session">The session's handle</param>
/// <param name="objectId">The object's handle</param>
/// <param name="template">Template that specifies which attribute values are to be modified and their new values</param>
/// <param name="count">The number of attributes in the template</param>
/// <returns>CKR_ARGUMENTS_BAD, CKR_ATTRIBUTE_READ_ONLY, CKR_ATTRIBUTE_TYPE_INVALID, CKR_ATTRIBUTE_VALUE_INVALID, CKR_CRYPTOKI_NOT_INITIALIZED, CKR_DEVICE_ERROR, CKR_DEVICE_MEMORY, CKR_DEVICE_REMOVED, CKR_FUNCTION_FAILED, CKR_GENERAL_ERROR, CKR_HOST_MEMORY, CKR_OBJECT_HANDLE_INVALID, CKR_OK, CKR_SESSION_CLOSED, CKR_SESSION_HANDLE_INVALID, CKR_SESSION_READ_ONLY, CKR_TEMPLATE_INCONSISTENT, CKR_TOKEN_WRITE_PROTECTED, CKR_USER_NOT_LOGGED_IN</returns>
public CKR C_SetAttributeValue(ulong session, ulong objectId, CK_ATTRIBUTE[] template, ulong count)
{
if (this._disposed)
throw new ObjectDisposedException(this.GetType().FullName);
ulong rv = _delegates.C_SetAttributeValue(session, objectId, template, count);
return (CKR)Convert.ToUInt32(rv);
}
/// <summary>
/// Derives a key from a base key, creating a new key object
/// </summary>
/// <param name="session">The session's handle</param>
/// <param name="mechanism">Key derivation mechanism</param>
/// <param name="baseKey">The handle of the base key</param>
/// <param name="template">The template for the new key</param>
/// <param name="attributeCount">The number of attributes in the template</param>
/// <param name="key">Location that receives the handle of the derived key</param>
/// <returns>CKR_ARGUMENTS_BAD, CKR_ATTRIBUTE_READ_ONLY, CKR_ATTRIBUTE_TYPE_INVALID, CKR_ATTRIBUTE_VALUE_INVALID, CKR_CRYPTOKI_NOT_INITIALIZED, CKR_DEVICE_ERROR, CKR_DEVICE_MEMORY, CKR_DEVICE_REMOVED, CKR_DOMAIN_PARAMS_INVALID, CKR_FUNCTION_CANCELED, CKR_FUNCTION_FAILED, CKR_GENERAL_ERROR, CKR_HOST_MEMORY, CKR_KEY_HANDLE_INVALID, CKR_KEY_SIZE_RANGE, CKR_KEY_TYPE_INCONSISTENT, CKR_MECHANISM_INVALID, CKR_MECHANISM_PARAM_INVALID, CKR_OK, CKR_OPERATION_ACTIVE, CKR_PIN_EXPIRED, CKR_SESSION_CLOSED, CKR_SESSION_HANDLE_INVALID, CKR_SESSION_READ_ONLY, CKR_TEMPLATE_INCOMPLETE, CKR_TEMPLATE_INCONSISTENT, CKR_TOKEN_WRITE_PROTECTED, CKR_USER_NOT_LOGGED_IN</returns>
public CKR C_DeriveKey(ulong session, ref CK_MECHANISM mechanism, ulong baseKey, CK_ATTRIBUTE[] template, ulong attributeCount, ref ulong key)
{
if (this._disposed)
throw new ObjectDisposedException(this.GetType().FullName);
ulong rv = _delegates.C_DeriveKey(session, ref mechanism, baseKey, template, attributeCount, ref key);
return (CKR)Convert.ToUInt32(rv);
}
/// <summary>
/// Reads value of attribute and returns it as byte array
/// </summary>
/// <param name="attribute">Attribute whose value should be read</param>
/// <param name="value">Location that receives attribute value</param>
public static void ConvertValue(ref CK_ATTRIBUTE attribute, out byte[] value)
{
value = ConvertValue(ref attribute);
}
/// <summary>
/// Reads value of attribute and returns it as string
/// </summary>
/// <param name="attribute">Attribute whose value should be read</param>
/// <param name="value">Location that receives attribute value</param>
public static void ConvertValue(ref CK_ATTRIBUTE attribute, out string value)
{
byte[] bytes = ConvertValue(ref attribute);
value = ConvertUtils.BytesToUtf8String(bytes);
}
/// <summary>
/// Reads value of attribute and returns it as mechanism array
/// </summary>
/// <param name="attribute">Attribute whose value should be read</param>
/// <param name="value">Location that receives attribute value</param>
public static void ConvertValue(ref CK_ATTRIBUTE attribute, out CKM[] value)
{
ulong[] ulongArray = null;
ConvertValue(ref attribute, out ulongArray);
CKM[] ckmArray = null;
if (ulongArray != null)
{
ckmArray = new CKM[ulongArray.Length];
for (int i = 0; i < ulongArray.Length; i++)
ckmArray[i] = (CKM)Convert.ToUInt32(ulongArray[i]);
}
value = ckmArray;
}
public void _07_AttributeArrayAttributeTest()
{
if (Platform.UnmanagedLongSize != 8 || Platform.StructPackingSize != 0)
Assert.Inconclusive("Test cannot be executed on this platform");
CK_ATTRIBUTE[] originalValue = new CK_ATTRIBUTE[2];
originalValue[0] = CkaUtils.CreateAttribute(CKA.CKA_TOKEN, true);
originalValue[1] = CkaUtils.CreateAttribute(CKA.CKA_PRIVATE, true);
// Create attribute with attribute array value
CK_ATTRIBUTE attr = CkaUtils.CreateAttribute(CKA.CKA_WRAP_TEMPLATE, originalValue);
Assert.IsTrue(attr.type == (ulong)CKA.CKA_WRAP_TEMPLATE);
Assert.IsTrue(attr.value != IntPtr.Zero);
Assert.IsTrue(attr.valueLen == Convert.ToUInt64((UnmanagedMemory.SizeOf(typeof(CK_ATTRIBUTE)) * originalValue.Length)));
CK_ATTRIBUTE[] recoveredValue = null;
// Read the value of attribute
CkaUtils.ConvertValue(ref attr, out recoveredValue);
Assert.IsTrue(originalValue.Length == recoveredValue.Length);
for (int i = 0; i < recoveredValue.Length; i++)
{
Assert.IsTrue(originalValue[i].type == recoveredValue[i].type);
Assert.IsTrue(originalValue[i].valueLen == recoveredValue[i].valueLen);
bool originalBool = false;
// Read the value of nested attribute
CkaUtils.ConvertValue(ref originalValue[i], out originalBool);
bool recoveredBool = true;
// Read the value of nested attribute
CkaUtils.ConvertValue(ref recoveredValue[i], out recoveredBool);
Assert.IsTrue(originalBool == recoveredBool);
// In this example there is the same pointer to unmanaged memory
// in both originalValue and recoveredValue array therefore it
// needs to be freed only once.
Assert.IsTrue(originalValue[i].value == recoveredValue[i].value);
// Free value of nested attributes
UnmanagedMemory.Free(ref originalValue[i].value);
originalValue[i].valueLen = 0;
recoveredValue[i].value = IntPtr.Zero;
recoveredValue[i].valueLen = 0;
}
// Free attribute value
UnmanagedMemory.Free(ref attr.value);
attr.valueLen = 0;
Assert.IsTrue(attr.type == (ulong)CKA.CKA_WRAP_TEMPLATE);
Assert.IsTrue(attr.value == IntPtr.Zero);
Assert.IsTrue(attr.valueLen == 0);
// Create attribute with null attribute array value
attr = CkaUtils.CreateAttribute(CKA.CKA_WRAP_TEMPLATE, (CK_ATTRIBUTE[])null);
Assert.IsTrue(attr.type == (ulong)CKA.CKA_WRAP_TEMPLATE);
Assert.IsTrue(attr.value == IntPtr.Zero);
Assert.IsTrue(attr.valueLen == 0);
// Create attribute with empty attribute array value
attr = CkaUtils.CreateAttribute(CKA.CKA_WRAP_TEMPLATE, new CK_ATTRIBUTE[0]);
Assert.IsTrue(attr.type == (ulong)CKA.CKA_WRAP_TEMPLATE);
Assert.IsTrue(attr.value == IntPtr.Zero);
Assert.IsTrue(attr.valueLen == 0);
}
/// <summary>
/// Copies attribute value from unmanaged memory to managed byte array
/// </summary>
/// <param name="attribute">Attribute whose value should be read</param>
/// <returns>Managed copy of attribute value</returns>
private static byte[] ConvertValue(ref CK_ATTRIBUTE attribute)
{
byte[] value = null;
if (attribute.value != IntPtr.Zero)
value = UnmanagedMemory.Read(attribute.value, Convert.ToInt32(attribute.valueLen));
return value;
}
public void _08_AttributeArrayAttributeTest()
{
if (Platform.UnmanagedLongSize != 8 || Platform.StructPackingSize != 0)
{
Assert.Inconclusive("Test cannot be executed on this platform");
}
ObjectAttribute nestedAttribute1 = new ObjectAttribute(CKA.CKA_TOKEN, true);
ObjectAttribute nestedAttribute2 = new ObjectAttribute(CKA.CKA_PRIVATE, true);
List <ObjectAttribute> originalValue = new List <ObjectAttribute>();
originalValue.Add(nestedAttribute1);
originalValue.Add(nestedAttribute2);
// Create attribute with attribute array value
using (ObjectAttribute attr = new ObjectAttribute(CKA.CKA_WRAP_TEMPLATE, originalValue))
{
Assert.IsTrue(attr.Type == (ulong)CKA.CKA_WRAP_TEMPLATE);
List <ObjectAttribute> recoveredValue = attr.GetValueAsObjectAttributeList();
Assert.IsTrue(recoveredValue.Count == 2);
Assert.IsTrue(recoveredValue[0].Type == (ulong)CKA.CKA_TOKEN);
Assert.IsTrue(recoveredValue[0].GetValueAsBool() == true);
Assert.IsTrue(recoveredValue[1].Type == (ulong)CKA.CKA_PRIVATE);
Assert.IsTrue(recoveredValue[1].GetValueAsBool() == true);
}
// There is the same pointer to unmanaged memory in both nestedAttribute1 and recoveredValue[0] instances
// therefore private low level attribute structure needs to be modified to prevent double free.
// This special handling is needed only in this synthetic test and should be avoided in real world application.
LLA80.CK_ATTRIBUTE ckAttribute1 = (LLA80.CK_ATTRIBUTE) typeof(ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(nestedAttribute1);
ckAttribute1.value = IntPtr.Zero;
ckAttribute1.valueLen = 0;
typeof(ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(nestedAttribute1, ckAttribute1);
// There is the same pointer to unmanaged memory in both nestedAttribute2 and recoveredValue[1] instances
// therefore private low level attribute structure needs to be modified to prevent double free.
// This special handling is needed only in this synthetic test and should be avoided in real world application.
LLA80.CK_ATTRIBUTE ckAttribute2 = (LLA80.CK_ATTRIBUTE) typeof(ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(nestedAttribute2);
ckAttribute2.value = IntPtr.Zero;
ckAttribute2.valueLen = 0;
typeof(ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(nestedAttribute2, ckAttribute2);
originalValue = null;
// Create attribute with null attribute array value
using (ObjectAttribute attr = new ObjectAttribute(CKA.CKA_WRAP_TEMPLATE, originalValue))
{
Assert.IsTrue(attr.Type == (ulong)CKA.CKA_WRAP_TEMPLATE);
Assert.IsTrue(attr.GetValueAsObjectAttributeList() == originalValue);
}
originalValue = new List <ObjectAttribute>();
// Create attribute with empty attribute array value
using (ObjectAttribute attr = new ObjectAttribute(CKA.CKA_WRAP_TEMPLATE, originalValue))
{
Assert.IsTrue(attr.Type == (ulong)CKA.CKA_WRAP_TEMPLATE);
Assert.IsTrue(attr.GetValueAsObjectAttributeList() == null);
}
}
/// <summary>
/// Obtains the value of one or more attributes of an object
/// </summary>
/// <param name="objectHandle">Handle of object whose attributes should be read</param>
/// <param name="attributes">List of attributes that should be read</param>
/// <returns>Object attributes</returns>
public List<ObjectAttribute> GetAttributeValue(ObjectHandle objectHandle, List<ulong> attributes)
{
if (this._disposed)
throw new ObjectDisposedException(this.GetType().FullName);
if (objectHandle == null)
throw new ArgumentNullException("objectHandle");
if (attributes == null)
throw new ArgumentNullException("attributes");
if (attributes.Count < 1)
throw new ArgumentException("No attributes specified", "attributes");
// Prepare array of CK_ATTRIBUTEs
CK_ATTRIBUTE[] template = new CK_ATTRIBUTE[attributes.Count];
for (int i = 0; i < attributes.Count; i++)
template[i] = CkaUtils.CreateAttribute(attributes[i]);
// Determine size of attribute values
CKR rv = _p11.C_GetAttributeValue(_sessionId, objectHandle.ObjectId, template, Convert.ToUInt64(template.Length));
if ((rv != CKR.CKR_OK) && (rv != CKR.CKR_ATTRIBUTE_SENSITIVE) && (rv != CKR.CKR_ATTRIBUTE_TYPE_INVALID))
throw new Pkcs11Exception("C_GetAttributeValue", rv);
// Allocate memory for each attribute
for (int i = 0; i < template.Length; i++)
{
// PKCS#11 v2.20 page 133:
// If the specified attribute (i.e., the attribute specified by the type field) for the object
// cannot be revealed because the object is sensitive or unextractable, then the
// ulValueLen field in that triple is modified to hold the value -1 (i.e., when it is cast to a
// CK_LONG, it holds -1).
if ((long)template[i].valueLen != -1)
template[i].value = Common.UnmanagedMemory.Allocate(Convert.ToInt32(template[i].valueLen));
}
// Read values of attributes
rv = _p11.C_GetAttributeValue(_sessionId, objectHandle.ObjectId, template, Convert.ToUInt64(template.Length));
if ((rv != CKR.CKR_OK) && (rv != CKR.CKR_ATTRIBUTE_SENSITIVE) && (rv != CKR.CKR_ATTRIBUTE_TYPE_INVALID))
throw new Pkcs11Exception("C_GetAttributeValue", rv);
// Convert CK_ATTRIBUTEs to ObjectAttributes
List<ObjectAttribute> outAttributes = new List<ObjectAttribute>();
for (int i = 0; i < template.Length; i++)
outAttributes.Add(new ObjectAttribute(template[i]));
return outAttributes;
}
public void _02_GenerateKeyPairTest()
{
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());
// 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.ToUInt64(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
ulong pubKeyId = CK.CK_INVALID_HANDLE;
ulong privKeyId = CK.CK_INVALID_HANDLE;
rv = pkcs11.C_GenerateKeyPair(session, ref mechanism, pubKeyTemplate, Convert.ToUInt64(pubKeyTemplate.Length), privKeyTemplate, Convert.ToUInt64(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>
/// Initializes a search for token and session objects that match a attributes
/// </summary>
/// <param name="attributes">Attributes that should be matched</param>
public void FindObjectsInit(List<ObjectAttribute> attributes)
{
if (this._disposed)
throw new ObjectDisposedException(this.GetType().FullName);
CK_ATTRIBUTE[] template = null;
ulong templateLength = 0;
if (attributes != null)
{
templateLength = Convert.ToUInt64(attributes.Count);
template = new CK_ATTRIBUTE[templateLength];
for (int i = 0; i < Convert.ToInt32(templateLength); i++)
template[i] = attributes[i].CkAttribute;
}
CKR rv = _p11.C_FindObjectsInit(_sessionId, template, templateLength);
if (rv != CKR.CKR_OK)
throw new Pkcs11Exception("C_FindObjectsInit", rv);
}
public void _01_GenerateKeyTest()
{
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());
// Prepare attribute template of new key
CK_ATTRIBUTE[] template = new CK_ATTRIBUTE[4];
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);
// Specify key generation mechanism (needs no parameter => no unamanaged memory is needed)
CK_MECHANISM mechanism = CkmUtils.CreateMechanism(CKM.CKM_DES3_KEY_GEN);
// Generate key
ulong keyId = CK.CK_INVALID_HANDLE;
rv = pkcs11.C_GenerateKey(session, ref mechanism, template, Convert.ToUInt64(template.Length), ref keyId);
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 < template.Length; i++)
{
UnmanagedMemory.Free(ref template[i].value);
template[i].valueLen = 0;
}
// Do something interesting with generated key
// Destroy object
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 _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());
}
}
public void _01_CreateDestroyObjectTest()
{
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());
// Prepare attribute template of new data object
CK_ATTRIBUTE[] template = new CK_ATTRIBUTE[5];
template[0] = CkaUtils.CreateAttribute(CKA.CKA_CLASS, CKO.CKO_DATA);
template[1] = CkaUtils.CreateAttribute(CKA.CKA_TOKEN, true);
template[2] = CkaUtils.CreateAttribute(CKA.CKA_APPLICATION, Settings.ApplicationName);
template[3] = CkaUtils.CreateAttribute(CKA.CKA_LABEL, Settings.ApplicationName);
template[4] = CkaUtils.CreateAttribute(CKA.CKA_VALUE, "Data object content");
// Create object
ulong objectId = CK.CK_INVALID_HANDLE;
rv = pkcs11.C_CreateObject(session, template, Convert.ToUInt64(template.Length), ref objectId);
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 < template.Length; i++)
{
UnmanagedMemory.Free(ref template[i].value);
template[i].valueLen = 0;
}
// Do something interesting with new object
// Destroy object
rv = pkcs11.C_DestroyObject(session, objectId);
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>
/// Reads value of attribute and returns it as string
/// </summary>
/// <param name="attribute">Attribute whose value should be read</param>
/// <param name="value">Location that receives attribute value</param>
public static void ConvertValue(ref CK_ATTRIBUTE attribute, out string value)
{
byte[] bytes = ConvertValue(ref attribute);
value = ConvertUtils.BytesToUtf8String(bytes);
}
public void _08_AttributeArrayAttributeTest()
{
IObjectAttribute nestedAttribute1 = Settings.Factories.ObjectAttributeFactory.CreateObjectAttribute(CKA.CKA_TOKEN, true);
IObjectAttribute nestedAttribute2 = Settings.Factories.ObjectAttributeFactory.CreateObjectAttribute(CKA.CKA_PRIVATE, true);
List <IObjectAttribute> originalValue = new List <IObjectAttribute>();
originalValue.Add(nestedAttribute1);
originalValue.Add(nestedAttribute2);
// Create attribute with attribute array value
using (IObjectAttribute attr = Settings.Factories.ObjectAttributeFactory.CreateObjectAttribute(CKA.CKA_WRAP_TEMPLATE, originalValue))
{
Assert.IsTrue(attr.Type == ConvertUtils.UInt64FromCKA(CKA.CKA_WRAP_TEMPLATE));
List <IObjectAttribute> recoveredValue = attr.GetValueAsObjectAttributeList();
Assert.IsTrue(recoveredValue.Count == 2);
Assert.IsTrue(recoveredValue[0].Type == ConvertUtils.UInt64FromCKA(CKA.CKA_TOKEN));
Assert.IsTrue(recoveredValue[0].GetValueAsBool() == true);
Assert.IsTrue(recoveredValue[1].Type == ConvertUtils.UInt64FromCKA(CKA.CKA_PRIVATE));
Assert.IsTrue(recoveredValue[1].GetValueAsBool() == true);
}
if (Platform.NativeULongSize == 4)
{
if (Platform.StructPackingSize == 0)
{
// There is the same pointer to unmanaged memory in both nestedAttribute1 and recoveredValue[0] instances
// therefore private low level attribute structure needs to be modified to prevent double free.
// This special handling is needed only in this synthetic test and should be avoided in real world application.
HLA40.ObjectAttribute objectAttribute40a = (HLA40.ObjectAttribute)nestedAttribute1;
LLA40.CK_ATTRIBUTE ckAttribute40a = (LLA40.CK_ATTRIBUTE) typeof(HLA40.ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(objectAttribute40a);
ckAttribute40a.value = IntPtr.Zero;
ckAttribute40a.valueLen = 0;
typeof(HLA40.ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(objectAttribute40a, ckAttribute40a);
// There is the same pointer to unmanaged memory in both nestedAttribute2 and recoveredValue[1] instances
// therefore private low level attribute structure needs to be modified to prevent double free.
// This special handling is needed only in this synthetic test and should be avoided in real world application.
HLA40.ObjectAttribute objectAttribute40b = (HLA40.ObjectAttribute)nestedAttribute2;
LLA40.CK_ATTRIBUTE ckAttribute40b = (LLA40.CK_ATTRIBUTE) typeof(HLA40.ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(objectAttribute40b);
ckAttribute40b.value = IntPtr.Zero;
ckAttribute40b.valueLen = 0;
typeof(HLA40.ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(objectAttribute40b, ckAttribute40b);
}
else
{
// There is the same pointer to unmanaged memory in both nestedAttribute1 and recoveredValue[0] instances
// therefore private low level attribute structure needs to be modified to prevent double free.
// This special handling is needed only in this synthetic test and should be avoided in real world application.
HLA41.ObjectAttribute objectAttribute41a = (HLA41.ObjectAttribute)nestedAttribute1;
LLA41.CK_ATTRIBUTE ckAttribute41a = (LLA41.CK_ATTRIBUTE) typeof(HLA41.ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(objectAttribute41a);
ckAttribute41a.value = IntPtr.Zero;
ckAttribute41a.valueLen = 0;
typeof(HLA41.ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(objectAttribute41a, ckAttribute41a);
// There is the same pointer to unmanaged memory in both nestedAttribute2 and recoveredValue[1] instances
// therefore private low level attribute structure needs to be modified to prevent double free.
// This special handling is needed only in this synthetic test and should be avoided in real world application.
HLA41.ObjectAttribute objectAttribute41b = (HLA41.ObjectAttribute)nestedAttribute2;
LLA41.CK_ATTRIBUTE ckAttribute41b = (LLA41.CK_ATTRIBUTE) typeof(HLA41.ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(objectAttribute41b);
ckAttribute41b.value = IntPtr.Zero;
ckAttribute41b.valueLen = 0;
typeof(HLA41.ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(objectAttribute41b, ckAttribute41b);
}
}
else
{
if (Platform.StructPackingSize == 0)
{
// There is the same pointer to unmanaged memory in both nestedAttribute1 and recoveredValue[0] instances
// therefore private low level attribute structure needs to be modified to prevent double free.
// This special handling is needed only in this synthetic test and should be avoided in real world application.
HLA80.ObjectAttribute objectAttribute80a = (HLA80.ObjectAttribute)nestedAttribute1;
LLA80.CK_ATTRIBUTE ckAttribute80a = (LLA80.CK_ATTRIBUTE) typeof(HLA80.ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(objectAttribute80a);
ckAttribute80a.value = IntPtr.Zero;
ckAttribute80a.valueLen = 0;
typeof(HLA80.ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(objectAttribute80a, ckAttribute80a);
// There is the same pointer to unmanaged memory in both nestedAttribute2 and recoveredValue[1] instances
// therefore private low level attribute structure needs to be modified to prevent double free.
// This special handling is needed only in this synthetic test and should be avoided in real world application.
HLA80.ObjectAttribute objectAttribute80b = (HLA80.ObjectAttribute)nestedAttribute2;
LLA80.CK_ATTRIBUTE ckAttribute80b = (LLA80.CK_ATTRIBUTE) typeof(HLA80.ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(objectAttribute80b);
ckAttribute80b.value = IntPtr.Zero;
ckAttribute80b.valueLen = 0;
typeof(HLA80.ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(objectAttribute80b, ckAttribute80b);
}
else
{
// There is the same pointer to unmanaged memory in both nestedAttribute1 and recoveredValue[0] instances
// therefore private low level attribute structure needs to be modified to prevent double free.
// This special handling is needed only in this synthetic test and should be avoided in real world application.
HLA81.ObjectAttribute objectAttribute81a = (HLA81.ObjectAttribute)nestedAttribute1;
LLA81.CK_ATTRIBUTE ckAttribute81a = (LLA81.CK_ATTRIBUTE) typeof(HLA81.ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(objectAttribute81a);
ckAttribute81a.value = IntPtr.Zero;
ckAttribute81a.valueLen = 0;
typeof(HLA81.ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(objectAttribute81a, ckAttribute81a);
// There is the same pointer to unmanaged memory in both nestedAttribute2 and recoveredValue[1] instances
// therefore private low level attribute structure needs to be modified to prevent double free.
// This special handling is needed only in this synthetic test and should be avoided in real world application.
HLA81.ObjectAttribute objectAttribute81b = (HLA81.ObjectAttribute)nestedAttribute2;
LLA81.CK_ATTRIBUTE ckAttribute81b = (LLA81.CK_ATTRIBUTE) typeof(HLA81.ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(objectAttribute81b);
ckAttribute81b.value = IntPtr.Zero;
ckAttribute81b.valueLen = 0;
typeof(HLA81.ObjectAttribute).GetField("_ckAttribute", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(objectAttribute81b, ckAttribute81b);
}
}
originalValue = null;
// Create attribute with null attribute array value
using (IObjectAttribute attr = Settings.Factories.ObjectAttributeFactory.CreateObjectAttribute(CKA.CKA_WRAP_TEMPLATE, originalValue))
{
Assert.IsTrue(attr.Type == ConvertUtils.UInt64FromCKA(CKA.CKA_WRAP_TEMPLATE));
Assert.IsTrue(attr.GetValueAsObjectAttributeList() == originalValue);
}
originalValue = new List <IObjectAttribute>();
// Create attribute with empty attribute array value
using (IObjectAttribute attr = Settings.Factories.ObjectAttributeFactory.CreateObjectAttribute(CKA.CKA_WRAP_TEMPLATE, originalValue))
{
Assert.IsTrue(attr.Type == ConvertUtils.UInt64FromCKA(CKA.CKA_WRAP_TEMPLATE));
Assert.IsTrue(attr.GetValueAsObjectAttributeList() == null);
}
}
/// <summary>
/// Reads value of attribute and returns it as DateTime (CK_DATE)
/// </summary>
/// <param name="attribute">Attribute whose value should be read</param>
/// <param name="value">Location that receives attribute value</param>
public static void ConvertValue(ref CK_ATTRIBUTE attribute, out DateTime? value)
{
byte[] bytes = ConvertValue(ref attribute);
if (bytes.Length == 0)
{
// PKCS#11 v2.20:
// When a Cryptoki object carries an attribute of this type, and the default value of the
// attribute is specified to be "empty," then Cryptoki libraries shall set the attribute's ulValueLen to 0.
value = null;
return;
}
if ((bytes == null) || (bytes.Length != 8))
throw new Exception("Unable to convert attribute value to DateTime");
string year = ConvertUtils.BytesToUtf8String(bytes, 0, 4);
string month = ConvertUtils.BytesToUtf8String(bytes, 4, 2);
string day = ConvertUtils.BytesToUtf8String(bytes, 6, 2);
if ((year == "0000") && (month == "00") && (day == "00"))
{
// PKCS#11 v2.20:
// Note that implementations of previous versions of Cryptoki may have used other
// methods to identify an "empty" attribute of type CK_DATE, and that applications that needs to
// interoperate with these libraries therefore have to be flexible in what they accept as an empty value.
value = null;
return;
}
value = new DateTime(Int32.Parse(year), Int32.Parse(month), Int32.Parse(day), 0, 0, 0, DateTimeKind.Utc);
}
/// <summary>
/// Generates a secret key or set of domain parameters, creating a new object
/// </summary>
/// <param name="mechanism">Generation mechanism</param>
/// <param name="attributes">Attributes of the new key or set of domain parameters</param>
/// <returns>Handle of the new key or set of domain parameters</returns>
public ObjectHandle GenerateKey(Mechanism mechanism, List<ObjectAttribute> attributes)
{
if (this._disposed)
throw new ObjectDisposedException(this.GetType().FullName);
if (mechanism == null)
throw new ArgumentNullException("mechanism");
CK_MECHANISM ckMechanism = mechanism.CkMechanism;
CK_ATTRIBUTE[] template = null;
ulong templateLength = 0;
if (attributes != null)
{
templateLength = Convert.ToUInt64(attributes.Count);
template = new CK_ATTRIBUTE[templateLength];
for (int i = 0; i < Convert.ToInt32(templateLength); i++)
template[i] = attributes[i].CkAttribute;
}
ulong keyId = CK.CK_INVALID_HANDLE;
CKR rv = _p11.C_GenerateKey(_sessionId, ref ckMechanism, template, templateLength, ref keyId);
if (rv != CKR.CKR_OK)
throw new Pkcs11Exception("C_GenerateKey", rv);
return new ObjectHandle(keyId);
}
/// <summary>
/// Reads value of attribute and returns it as attribute array
/// </summary>
/// <param name="attribute">Attribute whose value should be read</param>
/// <param name="value">Location that receives attribute value</param>
public static void ConvertValue(ref CK_ATTRIBUTE attribute, out CK_ATTRIBUTE[] value)
{
int ckAttributeSize = UnmanagedMemory.SizeOf(typeof(CK_ATTRIBUTE));
int attrCount = Convert.ToInt32(attribute.valueLen) / ckAttributeSize;
int attrCountMod = Convert.ToInt32(attribute.valueLen) % ckAttributeSize;
if (attrCountMod != 0)
throw new Exception("Unable to convert attribute value to attribute array");
if (attrCount == 0)
{
value = null;
}
else
{
CK_ATTRIBUTE[] attrs = new CK_ATTRIBUTE[attrCount];
for (int i = 0; i < attrCount; i++)
{
IntPtr tempPointer = new IntPtr(attribute.value.ToInt64() + (i * ckAttributeSize));
#if SILVERLIGHT
CK_ATTRIBUTE_CLASS attrClass = (CK_ATTRIBUTE_CLASS)UnmanagedMemory.Read(tempPointer, typeof(CK_ATTRIBUTE_CLASS));
attrClass.ToCkAttributeStruct(ref attrs[i]);
#else
attrs[i] = (CK_ATTRIBUTE)UnmanagedMemory.Read(tempPointer, typeof(CK_ATTRIBUTE));
#endif
}
value = attrs;
}
}
/// <summary>
/// Generates a public/private key pair, creating new key objects
/// </summary>
/// <param name="mechanism">Key generation mechanism</param>
/// <param name="publicKeyAttributes">Attributes of the public key</param>
/// <param name="privateKeyAttributes">Attributes of the private key</param>
/// <param name="publicKeyHandle">Handle of the new public key</param>
/// <param name="privateKeyHandle">Handle of the new private key</param>
public void GenerateKeyPair(Mechanism mechanism, List<ObjectAttribute> publicKeyAttributes, List<ObjectAttribute> privateKeyAttributes, out ObjectHandle publicKeyHandle, out ObjectHandle privateKeyHandle)
{
if (this._disposed)
throw new ObjectDisposedException(this.GetType().FullName);
if (mechanism == null)
throw new ArgumentNullException("mechanism");
CK_MECHANISM ckMechanism = mechanism.CkMechanism;
CK_ATTRIBUTE[] publicKeyTemplate = null;
ulong publicKeyTemplateLength = 0;
if (publicKeyAttributes != null)
{
publicKeyTemplateLength = Convert.ToUInt64(publicKeyAttributes.Count);
publicKeyTemplate = new CK_ATTRIBUTE[publicKeyTemplateLength];
for (int i = 0; i < Convert.ToInt32(publicKeyTemplateLength); i++)
publicKeyTemplate[i] = publicKeyAttributes[i].CkAttribute;
}
CK_ATTRIBUTE[] privateKeyTemplate = null;
ulong privateKeyTemplateLength = 0;
if (privateKeyAttributes != null)
{
privateKeyTemplateLength = Convert.ToUInt64(privateKeyAttributes.Count);
privateKeyTemplate = new CK_ATTRIBUTE[privateKeyTemplateLength];
for (int i = 0; i < Convert.ToInt32(privateKeyTemplateLength); i++)
privateKeyTemplate[i] = privateKeyAttributes[i].CkAttribute;
}
ulong publicKeyId = CK.CK_INVALID_HANDLE;
ulong privateKeyId = CK.CK_INVALID_HANDLE;
CKR rv = _p11.C_GenerateKeyPair(_sessionId, ref ckMechanism, publicKeyTemplate, publicKeyTemplateLength, privateKeyTemplate, privateKeyTemplateLength, ref publicKeyId, ref privateKeyId);
if (rv != CKR.CKR_OK)
throw new Pkcs11Exception("C_GenerateKeyPair", rv);
publicKeyHandle = new ObjectHandle(publicKeyId);
privateKeyHandle = new ObjectHandle(privateKeyId);
}
/// <summary>
/// Reads value of attribute and returns it as ulong array
/// </summary>
/// <param name="attribute">Attribute whose value should be read</param>
/// <param name="value">Location that receives attribute value</param>
public static void ConvertValue(ref CK_ATTRIBUTE attribute, out ulong[] value)
{
int ckmSize = UnmanagedMemory.SizeOf(typeof(ulong));
int attrCount = Convert.ToInt32(attribute.valueLen) / ckmSize;
int attrCountMod = Convert.ToInt32(attribute.valueLen) % ckmSize;
if (attrCountMod != 0)
throw new Exception("Unable to convert attribute value to ulong array");
if (attrCount == 0)
{
value = null;
}
else
{
ulong[] attrs = new ulong[attrCount];
for (int i = 0; i < attrCount; i++)
{
IntPtr tempPointer = new IntPtr(attribute.value.ToInt64() + (i * ckmSize));
attrs[i] = ConvertUtils.BytesToULong(UnmanagedMemory.Read(tempPointer, ckmSize));
}
value = attrs;
}
}
/// <summary>
/// Derives a key from a base key, creating a new key object
/// </summary>
/// <param name="mechanism">Derivation mechanism</param>
/// <param name="baseKeyHandle">Handle of base key</param>
/// <param name="attributes">Attributes for the new key</param>
/// <returns>Handle of derived key</returns>
public ObjectHandle DeriveKey(Mechanism mechanism, ObjectHandle baseKeyHandle, List<ObjectAttribute> attributes)
{
if (this._disposed)
throw new ObjectDisposedException(this.GetType().FullName);
if (mechanism == null)
throw new ArgumentNullException("mechanism");
if (baseKeyHandle == null)
throw new ArgumentNullException("baseKeyHandle");
CK_MECHANISM ckMechanism = mechanism.CkMechanism;
CK_ATTRIBUTE[] template = null;
ulong templateLen = 0;
if (attributes != null)
{
template = new CK_ATTRIBUTE[attributes.Count];
for (int i = 0; i < attributes.Count; i++)
template[i] = attributes[i].CkAttribute;
templateLen = Convert.ToUInt64(attributes.Count);
}
ulong derivedKey = CK.CK_INVALID_HANDLE;
CKR rv = _p11.C_DeriveKey(_sessionId, ref ckMechanism, baseKeyHandle.ObjectId, template, templateLen, ref derivedKey);
if (rv != CKR.CKR_OK)
throw new Pkcs11Exception("C_DeriveKey", rv);
return new ObjectHandle(derivedKey);
}
/// <summary>
/// Creates attribute of given type with value copied from managed byte array to the newly allocated unmanaged memory
/// </summary>
/// <param name="type">Attribute type</param>
/// <param name="value">Attribute value</param>
/// <returns>Attribute of given type with specified value</returns>
private static CK_ATTRIBUTE _CreateAttribute(ulong type, byte[] value)
{
CK_ATTRIBUTE attribute = new CK_ATTRIBUTE();
attribute.type = type;
if (value != null)
{
attribute.value = UnmanagedMemory.Allocate(value.Length);
UnmanagedMemory.Write(attribute.value, value);
attribute.valueLen = Convert.ToUInt64(value.Length);
}
else
{
attribute.value = IntPtr.Zero;
attribute.valueLen = 0;
}
return attribute;
}
/// <summary>
/// Copies an object, creating a new object for the copy
/// </summary>
/// <param name="objectHandle">Handle of object to be copied</param>
/// <param name="attributes">New values for any attributes of the object that can ordinarily be modified</param>
/// <returns>Handle of copied object</returns>
public ObjectHandle CopyObject(ObjectHandle objectHandle, List<ObjectAttribute> attributes)
{
if (this._disposed)
throw new ObjectDisposedException(this.GetType().FullName);
if (objectHandle == null)
throw new ArgumentNullException("objectHandle");
ulong objectId = CK.CK_INVALID_HANDLE;
CK_ATTRIBUTE[] template = null;
ulong templateLength = 0;
if (attributes != null)
{
templateLength = Convert.ToUInt64(attributes.Count);
template = new CK_ATTRIBUTE[templateLength];
for (int i = 0; i < Convert.ToInt32(templateLength); i++)
template[i] = attributes[i].CkAttribute;
}
CKR rv = _p11.C_CopyObject(_sessionId, objectHandle.ObjectId, template, templateLength, ref objectId);
if (rv != CKR.CKR_OK)
throw new Pkcs11Exception("C_CopyObject", rv);
return new ObjectHandle(objectId);
}
public void _01_BasicObjectFindingTest()
{
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());
// Let's create two objects so we can find something
ulong objectId1 = CK.CK_INVALID_HANDLE;
rv = Helpers.CreateDataObject(pkcs11, session, ref objectId1);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
ulong objectId2 = CK.CK_INVALID_HANDLE;
rv = Helpers.CreateDataObject(pkcs11, session, ref objectId2);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Prepare attribute template that defines search criteria
CK_ATTRIBUTE[] template = new CK_ATTRIBUTE[2];
template[0] = CkaUtils.CreateAttribute(CKA.CKA_CLASS, CKO.CKO_DATA);
template[1] = CkaUtils.CreateAttribute(CKA.CKA_TOKEN, true);
// Initialize searching
rv = pkcs11.C_FindObjectsInit(session, template, Convert.ToUInt64(template.Length));
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Get search results
ulong foundObjectCount = 0;
ulong[] foundObjectIds = new ulong[2];
foundObjectIds[0] = CK.CK_INVALID_HANDLE;
foundObjectIds[1] = CK.CK_INVALID_HANDLE;
rv = pkcs11.C_FindObjects(session, foundObjectIds, Convert.ToUInt64(foundObjectIds.Length), ref foundObjectCount);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Terminate searching
rv = pkcs11.C_FindObjectsFinal(session);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
// Do something interesting with found objects
Assert.IsTrue((foundObjectIds[0] != CK.CK_INVALID_HANDLE) && (foundObjectIds[1] != CK.CK_INVALID_HANDLE));
// In LowLevelAPI we have to free unmanaged memory taken by attributes
for (int i = 0; i < template.Length; i++)
{
UnmanagedMemory.Free(ref template[i].value);
template[i].valueLen = 0;
}
rv = pkcs11.C_DestroyObject(session, objectId2);
if (rv != CKR.CKR_OK)
Assert.Fail(rv.ToString());
rv = pkcs11.C_DestroyObject(session, objectId1);
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>
/// Reads value of attribute and returns it as NativeULong
/// </summary>
/// <param name="attribute">Attribute whose value should be read</param>
/// <param name="value">Location that receives attribute value</param>
public static void ConvertValue(ref CK_ATTRIBUTE attribute, out NativeULong value)
{
byte[] bytes = ConvertValue(ref attribute);
value = ConvertUtils.UInt64FromBytes(bytes);
}
