本文整理汇总了C#中Microsoft.Win32.SafeHandles.SafeNCryptKeyHandle.SetExportPolicy方法的典型用法代码示例。如果您正苦于以下问题:C# SafeNCryptKeyHandle.SetExportPolicy方法的具体用法?C# SafeNCryptKeyHandle.SetExportPolicy怎么用?C# SafeNCryptKeyHandle.SetExportPolicy使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Microsoft.Win32.SafeHandles.SafeNCryptKeyHandle
的用法示例。
在下文中一共展示了SafeNCryptKeyHandle.SetExportPolicy方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: InitializeKeyProperties
/// <summary>
/// Setup the key properties specified in the key creation parameters
/// </summary>
private static void InitializeKeyProperties(SafeNCryptKeyHandle keyHandle, CngKeyCreationParameters creationParameters)
{
unsafe
{
if (creationParameters.ExportPolicy.HasValue)
{
CngExportPolicies exportPolicy = creationParameters.ExportPolicy.Value;
keyHandle.SetExportPolicy(exportPolicy);
}
if (creationParameters.KeyUsage.HasValue)
{
CngKeyUsages keyUsage = creationParameters.KeyUsage.Value;
ErrorCode errorCode = Interop.NCrypt.NCryptSetProperty(keyHandle, KeyPropertyName.KeyUsage, &keyUsage, sizeof(CngKeyUsages), CngPropertyOptions.Persist);
if (errorCode != ErrorCode.ERROR_SUCCESS)
throw errorCode.ToCryptographicException();
}
if (creationParameters.ParentWindowHandle != IntPtr.Zero)
{
IntPtr parentWindowHandle = creationParameters.ParentWindowHandle;
ErrorCode errorCode = Interop.NCrypt.NCryptSetProperty(keyHandle, KeyPropertyName.ParentWindowHandle, &parentWindowHandle, sizeof(IntPtr), CngPropertyOptions.None);
if (errorCode != ErrorCode.ERROR_SUCCESS)
throw errorCode.ToCryptographicException();
}
CngUIPolicy uiPolicy = creationParameters.UIPolicy;
if (uiPolicy != null)
{
InitializeKeyUiPolicyProperties(keyHandle, uiPolicy);
}
// Iterate over the custom properties, setting those as well.
foreach (CngProperty property in creationParameters.Parameters)
{
byte[] value = property.GetValueWithoutCopying();
int valueLength = (value == null) ? 0 : value.Length;
fixed (byte* pValue = value.MapZeroLengthArrayToNonNullPointer())
{
ErrorCode errorCode = Interop.NCrypt.NCryptSetProperty(keyHandle, property.Name, pValue, valueLength, property.Options);
if (errorCode != ErrorCode.ERROR_SUCCESS)
throw errorCode.ToCryptographicException();
}
}
}
}