public EnhancedKeyUsageProperty(X509Certificate2 cert)
{
EnhancedKeyUsageRepresentation enhancedKeyUsageRepresentation;
this.ekuList = new List<EnhancedKeyUsageRepresentation>();
if (DownLevelHelper.IsWin8AndAbove())
{
Collection<string> certEKU = SecuritySupport.GetCertEKU(cert);
foreach (string str in certEKU)
{
if (string.IsNullOrEmpty(str))
{
continue;
}
IntPtr hGlobalAnsi = Marshal.StringToHGlobalAnsi(str);
IntPtr intPtr = NativeMethods.CryptFindOIDInfo(1, hGlobalAnsi, 0);
if (intPtr == IntPtr.Zero)
{
enhancedKeyUsageRepresentation = new EnhancedKeyUsageRepresentation(null, str);
}
else
{
NativeMethods.CRYPT_OID_INFO structure = (NativeMethods.CRYPT_OID_INFO)Marshal.PtrToStructure(intPtr, typeof(NativeMethods.CRYPT_OID_INFO));
enhancedKeyUsageRepresentation = new EnhancedKeyUsageRepresentation(structure.pwszName, str);
}
this.ekuList.Add(enhancedKeyUsageRepresentation);
}
}
}
public EnhancedKeyUsageProperty(X509Certificate2 cert)
{
EnhancedKeyUsageRepresentation enhancedKeyUsageRepresentation;
this.ekuList = new List <EnhancedKeyUsageRepresentation>();
if (DownLevelHelper.IsWin8AndAbove())
{
Collection <string> certEKU = SecuritySupport.GetCertEKU(cert);
foreach (string str in certEKU)
{
if (string.IsNullOrEmpty(str))
{
continue;
}
IntPtr hGlobalAnsi = Marshal.StringToHGlobalAnsi(str);
IntPtr intPtr = NativeMethods.CryptFindOIDInfo(1, hGlobalAnsi, 0);
if (intPtr == IntPtr.Zero)
{
enhancedKeyUsageRepresentation = new EnhancedKeyUsageRepresentation(null, str);
}
else
{
NativeMethods.CRYPT_OID_INFO structure = (NativeMethods.CRYPT_OID_INFO)Marshal.PtrToStructure(intPtr, typeof(NativeMethods.CRYPT_OID_INFO));
enhancedKeyUsageRepresentation = new EnhancedKeyUsageRepresentation(structure.pwszName, str);
}
this.ekuList.Add(enhancedKeyUsageRepresentation);
}
}
}
public bool Equals(EnhancedKeyUsageRepresentation keyUsage)
{
bool flag = false;
if (this.oid == null || keyUsage.oid == null)
{
if (this.oid == null && keyUsage.oid == null)
{
flag = true;
}
}
else
{
if (string.Equals(this.oid, keyUsage.oid, StringComparison.Ordinal))
{
flag = true;
}
}
return flag;
}
public bool Equals(EnhancedKeyUsageRepresentation keyUsage)
{
bool flag = false;
if (this.oid == null || keyUsage.oid == null)
{
if (this.oid == null && keyUsage.oid == null)
{
flag = true;
}
}
else
{
if (string.Equals(this.oid, keyUsage.oid, StringComparison.Ordinal))
{
flag = true;
}
}
return(flag);
}
/// <summary>
/// constructor for EnhancedKeyUsageProperty
/// </summary>
public EnhancedKeyUsageProperty(X509Certificate2 cert)
{
if (DownLevelHelper.NativeFilteringSupported())
{
Collection<string> ekuCollection = System.Management.Automation.Internal.SecuritySupport.GetCertEKU(cert);
foreach (string oidString in ekuCollection)
{
if (!String.IsNullOrEmpty(oidString))
{
IntPtr stringAnsi = (IntPtr)Marshal.StringToHGlobalAnsi(oidString);
EnhancedKeyUsageRepresentation ekuString;
IntPtr oidPtr = Security.NativeMethods.CryptFindOIDInfo(
Security.NativeConstants.CRYPT_OID_INFO_OID_KEY,
stringAnsi,
0);
if (oidPtr != IntPtr.Zero)
{
Security.NativeMethods.CRYPT_OID_INFO oidInfo =
ClrFacade.PtrToStructure<Security.NativeMethods.CRYPT_OID_INFO>(oidPtr);
ekuString = new EnhancedKeyUsageRepresentation(oidInfo.pwszName, oidString);
}
else //if oidInfo is not available
{
ekuString = new EnhancedKeyUsageRepresentation(null, oidString);
}
_ekuList.Add(ekuString);
}
}
}
}
/// <summary>
/// value comparison
/// </summary>
public bool Equals(EnhancedKeyUsageRepresentation keyUsage)
{
bool match = false;
if (_oid != null && keyUsage._oid != null)
{
// OID strings only contain numbers and periods
if (String.Equals(_oid, keyUsage._oid, StringComparison.Ordinal))
{
match = true;
}
}
else if (_oid == null && keyUsage._oid == null)
{
match = true;
}
return match;
}
