Merge pull request #39 from microsoft/dev/qmuntal/v0.1-hmaleak

[v0.1] free HMAC context when it is garbage collected
microsoft · Sep 23, 2022 · 26ba140 · 26ba140
2 parents c59160c + 957c882
commit 26ba140
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/openssl/hmac.go b/openssl/hmac.go
@@ -45,6 +45,7 @@ func NewHMAC(h func() hash.Hash, key []byte) hash.Hash {
 		key:       hkey,
 		ctx:       hmacCtxNew(),
 	}
+	runtime.SetFinalizer(hmac, (*opensslHMAC).finalize)
 	hmac.Reset()
 	return hmac
 }