From 623f49af8a91c98532ab8baeda504f311367e1b9 Mon Sep 17 00:00:00 2001
From: Felix Lange <fjl@twurst.com>
Date: Thu, 2 Apr 2020 20:26:23 +0200
Subject: [PATCH] crypto/ecies: remove redundant on-curve check in Decrypt

crypto/elliptic already checks whether the input is a valid curve point
since Go 1.5.
---
 crypto/ecies/ecies.go | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/crypto/ecies/ecies.go b/crypto/ecies/ecies.go
index dad2b12fb4..a1b5dbbfae 100644
--- a/crypto/ecies/ecies.go
+++ b/crypto/ecies/ecies.go
@@ -108,9 +108,6 @@ func (prv *PrivateKey) Decrypt(c, s1, s2 []byte) (m []byte, err error) {
 	if R.X == nil {
 		return nil, ErrInvalidPublicKey
 	}
-	if !R.Curve.IsOnCurve(R.X, R.Y) {
-		return nil, ErrInvalidCurve
-	}
 
 	z, err := prv.GenerateShared(R, params.KeyLen, params.KeyLen)
 	if err != nil {