internal override bool TryImportKey( ReadOnlySpan <byte> blob, KeyBlobFormat format, out SecureMemoryHandle keyHandle, out byte[] publicKeyBytes) { switch (format) { case KeyBlobFormat.RawPrivateKey: return(s_rawPrivateKeyFormatter.TryImport(blob, out keyHandle, out publicKeyBytes)); case KeyBlobFormat.NSecPrivateKey: return(s_nsecPrivateKeyFormatter.TryImport(blob, out keyHandle, out publicKeyBytes)); case KeyBlobFormat.PkixPrivateKey: return(s_pkixPrivateKeyFormatter.TryImport(blob, out keyHandle, out publicKeyBytes)); case KeyBlobFormat.PkixPrivateKeyText: return(s_pkixPrivateKeyFormatter.TryImportText(blob, out keyHandle, out publicKeyBytes)); default: throw Error.Argument_FormatNotSupported(nameof(format), format.ToString()); } }