// In Go 1.22, encoding/gob cannot handle and ignores this field.
	Policies []OID
}

// ErrUnsupportedAlgorithm results from attempting to perform an operation that
// involves algorithms that are not currently implemented.
var ErrUnsupportedAlgorithm = errors.New("x509: cannot verify signature: algorithm unimplemented")

// An InsecureAlgorithmError indicates that the [SignatureAlgorithm] used to