internal override int ExportKey( SecureMemoryHandle keyHandle, KeyBlobFormat format, Span <byte> blob) { switch (format) { case KeyBlobFormat.RawPrivateKey: return(s_rawPrivateKeyFormatter.Export(keyHandle, blob)); case KeyBlobFormat.NSecPrivateKey: return(s_nsecPrivateKeyFormatter.Export(keyHandle, blob)); case KeyBlobFormat.PkixPrivateKey: return(s_pkixPrivateKeyFormatter.Export(keyHandle, blob)); case KeyBlobFormat.PkixPrivateKeyText: return(s_pkixPrivateKeyFormatter.ExportText(keyHandle, blob)); default: throw Error.Argument_FormatNotSupported(nameof(format), format.ToString()); } }