-filenames. Therefore, readdir() must base64-encode the ciphertext for
-presentation. For most filenames, this works fine; on ->lookup(), the
-filesystem just base64-decodes the user-supplied name to get back to
-the raw ciphertext.
+filenames. Therefore, readdir() must base64url-encode the ciphertext
+for presentation. For most filenames, this works fine; on ->lookup(),
+the filesystem just base64url-decodes the user-supplied name to get
+back to the raw ciphertext.