check whether the threshold and size of vs is equal (#291)

* use *common.SignatureData instead of common.SignatureData to fix issue #163 * upgrade dependencies version * check the threshold and size of vs is equal * fix bug
bnb-chain · Apr 18, 2024 · 843de68 · 843de68
1 parent 7113b68
commit 843de68
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/crypto/vss/feldman_vss.go b/crypto/vss/feldman_vss.go
@@ -93,7 +93,7 @@ func Create(ec elliptic.Curve, threshold int, secret *big.Int, indexes []*big.In
 }
 
 func (share *Share) Verify(ec elliptic.Curve, threshold int, vs Vs) bool {
-	if share.Threshold != threshold || vs == nil {
+	if share.Threshold != threshold || vs == nil || len(vs) != threshold+1 {
 		return false
 	}
 	var err error