// EDMAURER in the event that the key is supplied as a file,
// this type could get an instance member that caches the file
// contents to avoid reading the file twice - once to get the
// public key to establish the assembly name and another to do
// the actual signing
// internal for testing
internal IClrStrongName GetStrongNameInterface()
{
IClrStrongName factoryCreated = TestStrongNameInterfaceFactory?.Invoke();
if (factoryCreated != null)
{
return(factoryCreated);
}
try
{
return(ClrStrongName.GetInstance());
}
catch (MarshalDirectiveException) when(PathUtilities.IsUnixLikePlatform)
{
// CoreCLR, when not on Windows, doesn't support IClrStrongName (or COM in general).
// This is really hard to detect/predict without false positives/negatives.
// It turns out that CoreCLR throws a MarshalDirectiveException when attempting
// to get the interface (Message "Cannot marshal 'return value': Unknown error."),
// so just catch that and state that it's not supported.
// We're deep in a try block that reports the exception's Message as part of a diagnostic.
// This exception will skip through the IOException wrapping by `Sign` (in this class),
// then caught by Compilation.SerializeToPeStream or DesktopStringNameProvider.CreateKeys
throw new ClrStrongNameMissingException();
}
}
private static byte[] GetPublicKey([NotNull] byte[] keyFileContents)
{
var strongName = ClrStrongName.GetInstance();
IntPtr keyBlob;
int keyBlobByteCount;
unsafe
{
fixed(byte *p = keyFileContents)
{
strongName.StrongNameGetPublicKey(null, (IntPtr)p, keyFileContents.Length, out keyBlob, out keyBlobByteCount);
}
}
var publicKey = new byte[keyBlobByteCount];
Marshal.Copy(keyBlob, publicKey, 0, keyBlobByteCount);
strongName.StrongNameFreeBuffer(keyBlob);
return(publicKey);
}
// EDMAURER in the event that the key is supplied as a file,
// this type could get an instance member that caches the file
// contents to avoid reading the file twice - once to get the
// public key to establish the assembly name and another to do
// the actual signing
// internal for testing
internal IClrStrongName GetStrongNameInterface()
{
return(TestStrongNameInterfaceFactory?.Invoke() ?? ClrStrongName.GetInstance());
}