private unsafe static IntPtr FromIntPtrs(IntPtr[] values)
{
fixed(IntPtr *value = ref (values != null && values.Length != 0)?ref values[0] : ref *null)
{
return(OSX509Certificates.CFArrayCreate(IntPtr.Zero, (IntPtr)((void *)value), (IntPtr)values.Length, IntPtr.Zero));
}
}
public static OSX509Certificates.SecTrustResult TrustEvaluateSsl(X509CertificateCollection certificates)
{
OSX509Certificates.SecTrustResult result;
try
{
result = OSX509Certificates._TrustEvaluateSsl(certificates);
}
catch
{
result = OSX509Certificates.SecTrustResult.Deny;
}
return(result);
}
private static OSX509Certificates.SecTrustResult _TrustEvaluateSsl(X509CertificateCollection certificates)
{
if (certificates == null)
{
throw new ArgumentNullException("certificates");
}
int count = certificates.Count;
IntPtr[] array = new IntPtr[count];
IntPtr[] array2 = new IntPtr[count];
IntPtr intPtr = IntPtr.Zero;
OSX509Certificates.SecTrustResult result;
try
{
for (int i = 0; i < count; i++)
{
array[i] = OSX509Certificates.MakeCFData(certificates[i].RawData);
}
for (int j = 0; j < count; j++)
{
array2[j] = OSX509Certificates.SecCertificateCreateWithData(IntPtr.Zero, array[j]);
if (array2[j] == IntPtr.Zero)
{
return(OSX509Certificates.SecTrustResult.Deny);
}
}
intPtr = OSX509Certificates.FromIntPtrs(array2);
IntPtr intPtr2;
if (OSX509Certificates.SecTrustCreateWithCertificates(intPtr, OSX509Certificates.sslsecpolicy, out intPtr2) == 0)
{
OSX509Certificates.SecTrustResult secTrustResult;
int num = OSX509Certificates.SecTrustEvaluate(intPtr2, out secTrustResult);
if (num != 0)
{
result = OSX509Certificates.SecTrustResult.Deny;
}
else
{
OSX509Certificates.CFRelease(intPtr2);
result = secTrustResult;
}
}
else
{
result = OSX509Certificates.SecTrustResult.Deny;
}
}
finally
{
for (int k = 0; k < count; k++)
{
if (array[k] != IntPtr.Zero)
{
OSX509Certificates.CFRelease(array[k]);
}
}
if (intPtr != IntPtr.Zero)
{
OSX509Certificates.CFRelease(intPtr);
}
else
{
for (int l = 0; l < count; l++)
{
if (array2[l] != IntPtr.Zero)
{
OSX509Certificates.CFRelease(array2[l]);
}
}
}
}
return(result);
}
private unsafe static IntPtr MakeCFData(byte[] data)
{
int num = 0;
return(OSX509Certificates.CFDataCreate(IntPtr.Zero, &data[num], (IntPtr)data.Length));
}