/// <summary>
/// Creates attribute of given type with CKO value
/// </summary>
/// <param name="type">Attribute type</param>
/// <param name="value">Attribute value</param>
public ObjectAttribute(CKA type, CKO value)
{
if (Platform.UnmanagedLongSize == 4)
{
if (Platform.StructPackingSize == 0)
{
_objectAttribute40 = new HighLevelAPI40.ObjectAttribute(type, value);
}
else
{
_objectAttribute41 = new HighLevelAPI41.ObjectAttribute(type, value);
}
}
else
{
if (Platform.StructPackingSize == 0)
{
_objectAttribute80 = new HighLevelAPI80.ObjectAttribute(type, value);
}
else
{
_objectAttribute81 = new HighLevelAPI81.ObjectAttribute(type, value);
}
}
}
private List <Pkcs11KeyInfo> ReadKeys(CKO objectClass, ClassAttributesDefinition keyAttributes)
{
List <Pkcs11KeyInfo> infos = new List <Pkcs11KeyInfo>();
using (Session session = _slot.OpenSession(SessionType.ReadWrite))
{
List <ObjectAttribute> searchTemplate = new List <ObjectAttribute>();
searchTemplate.Add(new ObjectAttribute(CKA.CKA_CLASS, objectClass));
List <ObjectHandle> foundObjects = session.FindAllObjects(searchTemplate);
foreach (ObjectHandle foundObject in foundObjects)
{
// Read attributes required for sane object presentation
List <ulong> attributes = new List <ulong>();
attributes.Add((ulong)CKA.CKA_PRIVATE);
attributes.Add((ulong)CKA.CKA_KEY_TYPE);
attributes.Add((ulong)CKA.CKA_LABEL);
attributes.Add((ulong)CKA.CKA_ID);
List <ObjectAttribute> requiredAttributes = session.GetAttributeValue(foundObject, attributes);
// Read attributes configured for specific object class and type
attributes = new List <ulong>();
foreach (ClassAttribute classAttribute in keyAttributes.CommonAttributes)
{
attributes.Add(classAttribute.Value);
}
ulong keyType = requiredAttributes[1].GetValueAsUlong();
if (keyAttributes.TypeSpecificAttributes.ContainsKey(keyType))
{
foreach (ClassAttribute classAttribute in keyAttributes.TypeSpecificAttributes[keyType])
{
attributes.Add(classAttribute.Value);
}
}
List <ObjectAttribute> configuredAttributes = session.GetAttributeValue(foundObject, attributes);
// Read object storage size
ulong?storageSize = ReadObjectSize(session, foundObject);
// Construct info object
Pkcs11KeyInfo info = new Pkcs11KeyInfo(foundObject, configuredAttributes, storageSize)
{
CkaPrivate = requiredAttributes[0].GetValueAsBool(),
CkaClass = (ulong)objectClass,
CkaKeyType = requiredAttributes[1].GetValueAsUlong(),
CkaLabel = requiredAttributes[2].GetValueAsString(),
CkaId = requiredAttributes[3].GetValueAsByteArray()
};
infos.Add(info);
}
}
return(infos);
}
private static ObjectHandle GetObjectHandle(string label, Session session, CKO keyType)
{
var objectAttributes = new List <ObjectAttribute>
{
new ObjectAttribute(CKA.CKA_CLASS, keyType),
new ObjectAttribute(CKA.CKA_LABEL, label),
new ObjectAttribute(CKA.CKA_TOKEN, true)
};
return(session.FindAllObjects(objectAttributes).First());
}
/// <summary>
/// Finds handle of key object present on token
/// </summary>
/// <param name="session">PKCS#11 session for finding operation</param>
/// <param name="keyClass">Value of CKA_CLASS attribute used in search template</param>
/// <param name="ckaId">Value of CKA_ID attribute used in search template</param>
/// <param name="ckaLabel">Value of CKA_LABEL attribute used in search template</param>
/// <returns>Handle of key object present on token or null</returns>
private IObjectHandle FindKey(ISession session, CKO keyClass, byte[] ckaId, string ckaLabel)
{
IObjectHandle keyHandle = null;
var searchTemplate = new List <IObjectAttribute>()
{
session.Factories.ObjectAttributeFactory.Create(CKA.CKA_CLASS, keyClass),
session.Factories.ObjectAttributeFactory.Create(CKA.CKA_TOKEN, true),
session.Factories.ObjectAttributeFactory.Create(CKA.CKA_ID, ckaId),
};
foreach (IObjectHandle foundObjectHandle in session.FindAllObjects(searchTemplate))
{
keyHandle = foundObjectHandle;
break;
}
return(keyHandle);
}
/// <summary>
/// Finds handle of key object present on token
/// </summary>
/// <param name="session">PKCS#11 session for finding operation</param>
/// <param name="keyClass">Value of CKA_CLASS attribute used in search template</param>
/// <param name="ckaId">Value of CKA_ID attribute used in search template</param>
/// <param name="ckaLabel">Value of CKA_LABEL attribute used in search template</param>
/// <returns>Handle of key object present on token or null</returns>
private ObjectHandle FindKey(Session session, CKO keyClass, byte[] ckaId, string ckaLabel)
{
ObjectHandle keyHandle = null;
var searchTemplate = new List <ObjectAttribute>()
{
new ObjectAttribute(CKA.CKA_CLASS, keyClass),
new ObjectAttribute(CKA.CKA_TOKEN, true),
new ObjectAttribute(CKA.CKA_ID, ckaId),
new ObjectAttribute(CKA.CKA_LABEL, ckaLabel)
};
foreach (ObjectHandle foundObjectHandle in session.FindAllObjects(searchTemplate))
{
keyHandle = foundObjectHandle;
break;
}
return(keyHandle);
}
/// <summary>
/// Creates attribute of given type with CKO value
/// </summary>
/// <param name="type">Attribute type</param>
/// <param name="value">Attribute value</param>
/// <returns>Attribute of given type with CKO value</returns>
public static CK_ATTRIBUTE CreateAttribute(CKA type, CKO value)
{
return(CreateAttribute(ConvertUtils.UInt32FromCKA(type), ConvertUtils.UInt32FromCKO(value)));
}
/// <summary>
/// Converts CKO to NativeULong
/// </summary>
/// <param name="value">CKO that should be converted</param>
/// <returns>NativeULong with value from CKO</returns>
public static NativeULong ConvertFromCKO(CKO value)
{
return(Convert.ToUInt64(value));
}
/// <summary>
/// Creates attribute of given type with CKO value
/// </summary>
/// <param name="type">Attribute type</param>
/// <param name="value">Attribute value</param>
/// <returns>Attribute of given type with CKO value</returns>
public static CK_ATTRIBUTE CreateAttribute(CKA type, CKO value)
{
return(CreateAttribute(NativeLongUtils.ConvertFromCKA(type), NativeLongUtils.ConvertFromCKO(value)));
}
public static CK_ATTRIBUTE CreateClassAttribute(CKO objectClass)
{
return(createAttribute((uint)CKA.CLASS, BitConverter.GetBytes((uint)objectClass)));
}
/// <summary>
/// Creates attribute of given type with CKO value
/// </summary>
/// <param name="type">Attribute type</param>
/// <param name="value">Attribute value</param>
/// <returns>Attribute of given type with CKO value</returns>
public static CK_ATTRIBUTE CreateAttribute(CKA type, CKO value)
{
return CreateAttribute((uint)type, (uint)value);
}
/// <summary>
/// Creates attribute of given type with CKO value
/// </summary>
/// <param name="type">Attribute type</param>
/// <param name="value">Attribute value</param>
/// <returns>Attribute of given type with CKO value</returns>
public static CK_ATTRIBUTE CreateAttribute(CKA type, CKO value)
{
return(CreateAttribute(Convert.ToUInt64((uint)type), Convert.ToUInt64((uint)value)));
}
/// <summary>
/// Creates attribute of given type with CKO value
/// </summary>
/// <param name="type">Attribute type</param>
/// <param name="value">Attribute value</param>
public ObjectAttribute(CKA type, CKO value)
{
_ckAttribute = CkaUtils.CreateAttribute(type, value);
}
/// <summary>
/// Converts CKO to UInt32
/// </summary>
/// <param name="value">CKO that should be converted</param>
/// <returns>UInt32 with value from CKO</returns>
public static UInt32 UInt32FromCKO(CKO value)
{
return(Convert.ToUInt32(value));
}
/// <summary>
/// Creates attribute of given type with CKO value
/// </summary>
/// <param name="type">Attribute type</param>
/// <param name="value">Attribute value</param>
public ObjectAttribute(CKA type, CKO value)
{
_ckAttribute = CkaUtils.CreateAttribute(type, value);
}
public ObjectClassAttribute(CKO objectType) : base((uint)CKA.CLASS)
{
ObjectType = objectType;
}
/// <summary>
/// Converts CKO to UInt64
/// </summary>
/// <param name="value">CKO that should be converted</param>
/// <returns>UInt64 with value from CKO</returns>
public static UInt64 UInt64FromCKO(CKO value)
{
return(Convert.ToUInt64(value));
}
/// <summary>
/// Creates attribute of given type with CKO value
/// </summary>
/// <param name="type">Attribute type</param>
/// <param name="value">Attribute value</param>
/// <returns>Attribute of given type with CKO value</returns>
public static CK_ATTRIBUTE CreateAttribute(CKA type, CKO value)
{
return(CreateAttribute((uint)type, (uint)value));
}
/// <summary>
/// Creates attribute of given type with CKO value
/// </summary>
/// <param name="type">Attribute type</param>
/// <param name="value">Attribute value</param>
/// <returns>Attribute of cryptoki object</returns>
public IObjectAttribute Create(CKA type, CKO value)
{
return(_factory.Create(type, value));
}
/// <summary>
/// Checks whether type matches the value of "type" path attribute
/// </summary>
/// <param name="uriType">Value of "type" path attribute present (or not) in PKCS#11 URI</param>
/// <param name="inputType">Type that should be compared with the value of "type" path attribute</param>
/// <returns>True if type matches the value of "type" path attribute</returns>
private static bool ObjectTypesMatch(CKO? uriType, CKO? inputType)
{
if (inputType == null)
{
if (uriType != null)
return false;
}
else
{
if (uriType != null)
{
if (uriType.Value != inputType.Value)
return false;
}
}
return true;
}
/// <summary>
/// Creates attribute of given type with CKO value
/// </summary>
/// <param name="type">Attribute type</param>
/// <param name="value">Attribute value</param>
public ObjectAttribute(CKA type, CKO value)
{
if (Platform.UnmanagedLongSize == 4)
{
if (Platform.StructPackingSize == 0)
_objectAttribute40 = new HighLevelAPI40.ObjectAttribute(type, value);
else
_objectAttribute41 = new HighLevelAPI41.ObjectAttribute(type, value);
}
else
{
if (Platform.StructPackingSize == 0)
_objectAttribute80 = new HighLevelAPI80.ObjectAttribute(type, value);
else
_objectAttribute81 = new HighLevelAPI81.ObjectAttribute(type, value);
}
}
/// <summary>
/// Checks whether object attributes match PKCS#11 URI
/// </summary>
/// <param name="pkcs11Uri">PKCS#11 URI</param>
/// <param name="ckaClass">Value of CKA_CLASS object attribute</param>
/// <param name="ckaLabel">Value of CKA_LABEL object attribute</param>
/// <param name="ckaId">Value of CKA_ID object attribute</param>
/// <returns>True if object attributes match PKCS#11 URI</returns>
private static bool Matches(Pkcs11Uri pkcs11Uri, CKO? ckaClass, string ckaLabel, byte[] ckaId)
{
if (pkcs11Uri == null)
throw new ArgumentNullException("pkcs11Uri");
if (pkcs11Uri.UnknownPathAttributes != null)
return false;
if (!ObjectTypesMatch(pkcs11Uri.Type, ckaClass))
return false;
if (!SimpleStringsMatch(pkcs11Uri.Object, ckaLabel))
return false;
if (!ByteArraysMatch(pkcs11Uri.Id, ckaId))
return false;
return true;
}
/// <summary>
/// Creates attribute of given type with CKO value
/// </summary>
/// <param name="type">Attribute type</param>
/// <param name="value">Attribute value</param>
/// <returns>Attribute of cryptoki object</returns>
public IObjectAttribute CreateObjectAttribute(CKA type, CKO value)
{
return(new ObjectAttribute(type, value));
}
/// <summary>
/// Creates attribute of given type with CKO value
/// </summary>
/// <param name="type">Attribute type</param>
/// <param name="value">Attribute value</param>
/// <returns>Attribute of given type with CKO value</returns>
public static CK_ATTRIBUTE CreateAttribute(CKA type, CKO value)
{
return CreateAttribute(Convert.ToUInt64((uint)type), Convert.ToUInt64((uint)value));
}
