diff --git a/algo/rs/rs.go b/algo/rs/rs.go
index 22f69d9..8fd9006 100644
--- a/algo/rs/rs.go
+++ b/algo/rs/rs.go
@@ -66,6 +66,11 @@ func (a *Algo) hasher(payload []byte) ([]byte, error) {
 	return val.Sum(nil), nil
 }
 
+func (a *Algo) PublicKey() *rsa.PublicKey {
+	val := a.p.PublicKey
+	return &val
+}
+
 func (a *Algo) WriteKeyPEM(w io.Writer) error {
 	return pem.Encode(w, &pem.Block{
 		Type:  "RSA PRIVATE KEY",