crypto/ecies: use aes blocksize

lightclient · rjl493456442 · fjl · commit 638741b082be · 2026-01-13T16:29:21.000+01:00
Co-authored-by: Gary Rong &lt;garyrong0905@gmail.com&gt;
diff --git a/crypto/ecies/ecies.go b/crypto/ecies/ecies.go
@@ -290,7 +290,7 @@ func (prv *PrivateKey) Decrypt(c, s1, s2 []byte) (m []byte, err error) {
 	switch c[0] {
 	case 2, 3, 4:
 		rLen = (prv.PublicKey.Curve.Params().BitSize + 7) / 4
-		if len(c) < (rLen + hLen + 1) {
+		if len(c) < (rLen + hLen + params.BlockSize) {
 			return nil, ErrInvalidMessage
 		}
 	default:

Original file line number	Diff line number	Diff line change
`@@ -290,7 +290,7 @@ func (prv *PrivateKey) Decrypt(c, s1, s2 []byte) (m []byte, err error) {`
`290`	`290`	`switch c[0] {`
`291`	`291`	`case 2, 3, 4:`
`292`	`292`	`rLen = (prv.PublicKey.Curve.Params().BitSize + 7) / 4`
`293`		`- if len(c) < (rLen + hLen + 1) {`
	`293`	`+ if len(c) < (rLen + hLen + params.BlockSize) {`
`294`	`294`	`return nil, ErrInvalidMessage`
`295`	`295`	`}`
`296`	`296`	`default:`