From 5ff3b6747ad34103e88a4055c25e21fe5d00e15c Mon Sep 17 00:00:00 2001
From: S4kura0ne <xiazeyu@users.noreply.github.com>
Date: Sun, 15 Sep 2019 15:21:53 +0800
Subject: [PATCH] fix wrong iv length (#109)

---
 index.js            | 2 +-
 lib/blog-encrypt.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/index.js b/index.js
index 0e2e792..4cfbc1f 100644
--- a/index.js
+++ b/index.js
@@ -107,7 +107,7 @@ hexo.extend.filter.register('after_post_render', (data) => {
   log.info(`hexo-blog-encrypt: encrypting "${data.title.trim()}".`);
 
   const key = crypto.pbkdf2Sync(password, keySalt, 1024, 256/8, 'sha256');
-  const iv = crypto.pbkdf2Sync(password, ivSalt, 512, 512, 'sha256');
+  const iv = crypto.pbkdf2Sync(password, ivSalt, 512, 16, 'sha256');
 
   const cipher = crypto.createCipheriv('aes-256-cbc', key, iv);
   const hmac = crypto.createHmac('sha256', key);
diff --git a/lib/blog-encrypt.js b/lib/blog-encrypt.js
index 30a291c..60535e1 100644
--- a/lib/blog-encrypt.js
+++ b/lib/blog-encrypt.js
@@ -147,7 +147,7 @@
       'hash': 'SHA-256',
       'salt': ivSalt.buffer,
       'iterations': 512,
-    }, keyMaterial, 512 * 8);
+    }, keyMaterial, 16 * 8);
   }
 
   async function verifyContent(key, content) {