From 7bbf6ad6eae47974b1162af13915785a541b9bb9 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Sun, 25 Sep 2016 11:20:10 +0200
Subject: reverse: derive file ID and block IVs from file paths

---
 internal/fusefrontend_reverse/reverse_diriv.go | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

(limited to 'internal/fusefrontend_reverse/reverse_diriv.go')

diff --git a/internal/fusefrontend_reverse/reverse_diriv.go b/internal/fusefrontend_reverse/reverse_diriv.go
index df3a4d1..88d0680 100644
--- a/internal/fusefrontend_reverse/reverse_diriv.go
+++ b/internal/fusefrontend_reverse/reverse_diriv.go
@@ -9,10 +9,9 @@ import (
 	"github.com/rfjakob/gocryptfs/internal/nametransform"
 )
 
-// deriveDirIV derives the DirIV from the encrypted directory path by
-// hashing it
-func deriveDirIV(dirPath string) []byte {
-	hash := sha256.Sum256([]byte(dirPath))
+// derivePathIV derives an IV from an encrypted path by hashing it
+func derivePathIV(path string) []byte {
+	hash := sha256.Sum256([]byte(path))
 	return hash[:nametransform.DirIVLen]
 }
 
@@ -22,5 +21,5 @@ func (rfs *reverseFS) newDirIVFile(cRelPath string) (nodefs.File, fuse.Status) {
 	if err != nil {
 		return nil, fuse.ToStatus(err)
 	}
-	return rfs.NewVirtualFile(deriveDirIV(cDir), absDir)
+	return rfs.NewVirtualFile(derivePathIV(cDir), absDir)
 }
-- 
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