diff --git a/crypto/bn256/cloudflare/bn256.go b/crypto/bn256/cloudflare/bn256.go
index 38822a76bf..ff585849cf 100644
--- a/crypto/bn256/cloudflare/bn256.go
+++ b/crypto/bn256/cloudflare/bn256.go
@@ -45,8 +45,8 @@ func RandomG1(r io.Reader) (*big.Int, *G1, error) {
 	return k, new(G1).ScalarBaseMult(k), nil
 }
 
-func (g *G1) String() string {
-	return "bn256.G1" + g.p.String()
+func (e *G1) String() string {
+	return "bn256.G1" + e.p.String()
 }
 
 // ScalarBaseMult sets e to g*k where g is the generator of the group and then
@@ -334,8 +334,8 @@ func Miller(g1 *G1, g2 *G2) *GT {
 	return &GT{miller(g2.p, g1.p)}
 }
 
-func (g *GT) String() string {
-	return "bn256.GT" + g.p.String()
+func (e *GT) String() string {
+	return "bn256.GT" + e.p.String()
 }
 
 // ScalarMult sets e to a*k and then returns e.
diff --git a/crypto/bn256/cloudflare/gfp12.go b/crypto/bn256/cloudflare/gfp12.go
index 93fb368a7b..287b8be1f6 100644
--- a/crypto/bn256/cloudflare/gfp12.go
+++ b/crypto/bn256/cloudflare/gfp12.go
@@ -110,7 +110,7 @@ func (e *gfP12) MulScalar(a *gfP12, b *gfP6) *gfP12 {
 	return e
 }
 
-func (c *gfP12) Exp(a *gfP12, power *big.Int) *gfP12 {
+func (e *gfP12) Exp(a *gfP12, power *big.Int) *gfP12 {
 	sum := (&gfP12{}).SetOne()
 	t := &gfP12{}
 
@@ -123,8 +123,8 @@ func (c *gfP12) Exp(a *gfP12, power *big.Int) *gfP12 {
 		}
 	}
 
-	c.Set(sum)
-	return c
+	e.Set(sum)
+	return e
 }
 
 func (e *gfP12) Square(a *gfP12) *gfP12 {