lib: add `RSAPub.E` function

Returns `e`.

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/rsa.go b/lib/rsa.go
index 24cd709..87b7447 100644
--- a/lib/rsa.go
+++ b/lib/rsa.go
@@ -138,6 +138,10 @@ func (r *RSAPub) Encrypt(msg []byte) []byte {
 	return c.Bytes()
 }
 
+func (r *RSAPub) E() *big.Int {
+	return r.n
+}
+
 func (r *RSAPub) N() *big.Int {
 	return r.n
 }