From 609fa1a7c28a07b5b9759edda5b14abd406268bb Mon Sep 17 00:00:00 2001
From: Richard Kettlewell <Richard.Kettlewell@thalesesecurity.com>
Date: Mon, 12 Nov 2018 10:03:47 +0000
Subject: [PATCH] Fix bits/bytes confusion in GCM setup

---
 aead.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aead.go b/aead.go
index 9b3674e..490fb07 100644
--- a/aead.go
+++ b/aead.go
@@ -63,7 +63,7 @@ func (key *PKCS11SecretKey) NewGCM() (g cipher.AEAD, err error) {
 		overhead:  16,
 		nonceSize: 12,
 		makeMech: func(nonce []byte, additionalData []byte) (mech []*pkcs11.Mechanism, error error) {
-			params := pkcs11.NewGCMParams(nonce, additionalData, 16)
+			params := pkcs11.NewGCMParams(nonce, additionalData, 16*8 /*bits*/)
 			mech = []*pkcs11.Mechanism{pkcs11.NewMechanism(key.Cipher.GCMMech, params)}
 			return
 		},