From 0b37ca03ece84f6779b576661eb0414baeeea0f0 Mon Sep 17 00:00:00 2001
From: Christophe Diederichs <chris.d.itunes@gmail.com>
Date: Wed, 17 Jun 2020 13:06:30 +0200
Subject: [PATCH] added: sodium_memcmp

---
 crypto_verify.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/crypto_verify.js b/crypto_verify.js
index d4b219d..65a60db 100644
--- a/crypto_verify.js
+++ b/crypto_verify.js
@@ -1,3 +1,5 @@
+const assert = require('nanoassert')
+
 module.exports = {
   crypto_verify_16,
   crypto_verify_32
@@ -16,3 +18,9 @@ function crypto_verify_16(x, xi, y, yi) {
 function crypto_verify_32(x, xi, y, yi) {
   return vn(x, xi, y, yi, 32)
 }
+
+function sodium_memcmp (a, b) {
+  assert(a.byteLength = b.byteLength, 'buffers must be the same size')
+
+  return vn(a, 0, b, 0, a.byteLength)
+}