gost3410/curve.go | 2 +-
 gost3410/utils.go | 2 +-

diff --git a/gost3410/curve.go b/gost3410/curve.go
index 5315a058267ae6d58d309278c4d03d9ea0ce8e06b5ea490005b57a4db7b54d34..8dd656fcc8828a02253abf92822c89ed4e6768a185956ac619de772dd122e242 100644
--- a/gost3410/curve.go
+++ b/gost3410/curve.go
@@ -89,7 +89,7 @@ 	return &c, nil
 }
 
 func (c *Curve) PointSize() int {
-	return PointSize(c.P)
+	return pointSize(c.P)
 }
 
 func (c *Curve) pos(v *big.Int) {
diff --git a/gost3410/utils.go b/gost3410/utils.go
index 63e7ac645c4ecad178474e5feb2aa0ab458505e63efbb62f9367c9864fa5f57d..8a376cf9dbbc34b6469ff639e1342bca4b8532b2ba39f648822990893ad8057a 100644
--- a/gost3410/utils.go
+++ b/gost3410/utils.go
@@ -33,7 +33,7 @@ func pad(d []byte, size int) []byte {
 	return append(make([]byte, size-len(d)), d...)
 }
 
-func PointSize(p *big.Int) int {
+func pointSize(p *big.Int) int {
 	if p.BitLen() > 256 {
 		return 64
 	}