diff --git a/quartz/components/scripts/encrypt.inline.ts b/quartz/components/scripts/encrypt.inline.ts
index ca28f30e8..90f0aed7b 100644
--- a/quartz/components/scripts/encrypt.inline.ts
+++ b/quartz/components/scripts/encrypt.inline.ts
@@ -44,7 +44,6 @@ function getRelevantPasswords(filePath: string): string[] {
   })
 
   // Get passwords by directory hierarchy (closest first)
-  const pathParts = filePath.split("/")
 
   // Sort cache keys by how many directory levels they share with current file
   const sortedPaths = Object.keys(cache).sort((a, b) => {
@@ -102,7 +101,7 @@ function arrayBufferToHex(buffer: ArrayBuffer): string {
 // Helper: string to ArrayBuffer
 function stringToArrayBuffer(str: string): ArrayBuffer {
   const encoder = new TextEncoder()
-  return encoder.encode(str)
+  return encoder.encode(str).buffer as ArrayBuffer
 }
 
 // Helper: ArrayBuffer to string
diff --git a/quartz/components/styles/encrypt.scss b/quartz/components/styles/encrypt.scss
index 4128f6af8..44a74eba5 100644
--- a/quartz/components/styles/encrypt.scss
+++ b/quartz/components/styles/encrypt.scss
@@ -120,8 +120,12 @@
 }
 
 @keyframes spin {
-  0% { transform: rotate(0deg); }
-  100% { transform: rotate(360deg); }
+  0% {
+    transform: rotate(0deg);
+  }
+  100% {
+    transform: rotate(360deg);
+  }
 }
 
 .decrypt-error {
diff --git a/quartz/plugins/emitters/contentIndex.tsx b/quartz/plugins/emitters/contentIndex.tsx
index ddfcf752b..416a2515c 100644
--- a/quartz/plugins/emitters/contentIndex.tsx
+++ b/quartz/plugins/emitters/contentIndex.tsx
@@ -59,7 +59,7 @@ function generateRSSFeed(cfg: GlobalConfiguration, idx: ContentIndexMap, limit?:
     <title>${escapeHTML(content.title)}</title>
     <link>https://${joinSegments(base, encodeURI(slug))}</link>
     <guid>https://${joinSegments(base, encodeURI(slug))}</guid>
-    <description><![CDATA[ ${content.encrypted ? content.description : content.richContent ?? content.description} ]]></description>
+    <description><![CDATA[ ${content.encrypted ? content.description : (content.richContent ?? content.description)} ]]></description>
     <pubDate>${content.date?.toUTCString()}</pubDate>
   </item>`
 
@@ -146,7 +146,7 @@ export const ContentIndex: QuartzEmitterPlugin<Partial<Options>> = (opts) => {
           // actually uses it. we only keep it in the index as we need it
           // for the RSS feed
           if (content.encrypted) {
-            delete content.content
+            content.description = ""
             delete content.richContent
           }
 
diff --git a/quartz/plugins/transformers/description.ts b/quartz/plugins/transformers/description.ts
index bc075e5a1..d6a9e3c1f 100644
--- a/quartz/plugins/transformers/description.ts
+++ b/quartz/plugins/transformers/description.ts
@@ -30,7 +30,7 @@ export const Description: QuartzTransformerPlugin<Partial<Options>> = (userOpts)
           return async (tree: HTMLRoot, file) => {
             if (file.data?.encrypted) {
               file.data.description = "This file is encrypted. Open it to see the contents."
-              return;
+              return
             }
 
             let frontMatterDescription = file.data.frontmatter?.description
diff --git a/quartz/plugins/transformers/encrypt.ts b/quartz/plugins/transformers/encrypt.ts
index 64ba7aa38..dbf3a104b 100644
--- a/quartz/plugins/transformers/encrypt.ts
+++ b/quartz/plugins/transformers/encrypt.ts
@@ -115,19 +115,20 @@ export const EncryptPlugin: QuartzTransformerPlugin<Partial<Options>> = (userOpt
       return frontmatter.password as string
     }
 
-    let deepestFolder = "";
+    let deepestFolder = ""
     for (const folder of Object.keys(opts.encryptedFolders ?? {})) {
-        if (file.data?.relativePath?.startsWith(folder) && deepestFolder.length < folder.length) {
-          deepestFolder = folder;
-        }
+      if (file.data?.relativePath?.startsWith(folder) && deepestFolder.length < folder.length) {
+        deepestFolder = folder
+      }
     }
 
     if (deepestFolder) {
-      if (frontmatter?.password) { // if frontmatter has a password, use it
-        return frontmatter.password as string;
+      if (frontmatter?.password) {
+        // if frontmatter has a password, use it
+        return frontmatter.password as string
       }
 
-      return opts.encryptedFolders[deepestFolder] as string;
+      return opts.encryptedFolders!![deepestFolder] as string
     }
   }
 
@@ -220,7 +221,6 @@ export const EncryptPlugin: QuartzTransformerPlugin<Partial<Options>> = (userOpt
   }
 }
 
-
 declare module "vfile" {
   interface DataMap {
     encrypted: boolean