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crypto: add hash length check in nocgo VerifySignature

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Vicky 2026-02-14 02:44:26 +08:00
parent ece2b19ac0
commit 08f938feb8
1 changed files with 1 additions and 1 deletions
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2
crypto/signature_nocgo.go
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@ -103,7 +103,7 @@ func Sign(hash []byte, prv *ecdsa.PrivateKey) ([]byte, error) {
// The public key should be in compressed (33 bytes) or uncompressed (65 bytes) format. // The public key should be in compressed (33 bytes) or uncompressed (65 bytes) format.
// The signature should have the 64 byte [R || S] format. // The signature should have the 64 byte [R || S] format.
func VerifySignature(pubkey, hash, signature []byte) bool { func VerifySignature(pubkey, hash, signature []byte) bool {
if len(signature) != 64 { if len(signature) != 64 || len(hash) != DigestLength {
return false return false
} }
var r, s secp256k1.ModNScalar var r, s secp256k1.ModNScalar