From c7b3150afc26a6992c6059002c84b1afc236f663 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Sun, 25 Sep 2016 18:56:23 +0200
Subject: nametransform: delete unused function DecryptPathDirIV

---
 internal/nametransform/diriv.go | 24 ------------------------
 internal/nametransform/names.go |  2 --
 2 files changed, 26 deletions(-)

(limited to 'internal/nametransform')

diff --git a/internal/nametransform/diriv.go b/internal/nametransform/diriv.go
index 66548f1..9c3c1d1 100644
--- a/internal/nametransform/diriv.go
+++ b/internal/nametransform/diriv.go
@@ -123,27 +123,3 @@ func (be *NameTransform) EncryptPathDirIV(plainPath string, rootDir string) (cip
 	be.DirIVCache.store(parentDir, iv, cParentDir)
 	return cipherPath, nil
 }
-
-// DecryptPathDirIV - decrypt path using EME with DirIV
-//
-// TODO This has only a single user, Readlink(), and only for compatability with
-// gocryptfs v0.5. Drop?
-func (be *NameTransform) DecryptPathDirIV(encryptedPath string, rootDir string) (string, error) {
-	var wd = rootDir
-	var plainNames []string
-	encryptedNames := strings.Split(encryptedPath, "/")
-	tlog.Debug.Printf("DecryptPathDirIV: decrypting %v\n", encryptedNames)
-	for _, encryptedName := range encryptedNames {
-		iv, err := ReadDirIV(wd)
-		if err != nil {
-			return "", err
-		}
-		plainName, err := be.DecryptName(encryptedName, iv)
-		if err != nil {
-			return "", err
-		}
-		plainNames = append(plainNames, plainName)
-		wd = filepath.Join(wd, encryptedName)
-	}
-	return filepath.Join(plainNames...), nil
-}
diff --git a/internal/nametransform/names.go b/internal/nametransform/names.go
index 4df3430..458c2b9 100644
--- a/internal/nametransform/names.go
+++ b/internal/nametransform/names.go
@@ -26,8 +26,6 @@ func New(c *cryptocore.CryptoCore, longNames bool) *NameTransform {
 }
 
 // DecryptName - decrypt base64-encoded encrypted filename "cipherName"
-// Used by DecryptPathDirIV().
-// The encryption is either CBC or EME, depending on "useEME".
 //
 // This function is exported because it allows for a very efficient readdir
 // implementation (read IV once, decrypt all names using this function).
-- 
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