From 84ed139cd2cede9b773fe7892a0bc2515fc1f00f Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Sun, 2 Aug 2020 19:33:12 +0200
Subject: v2api/reverse: implement Lookup for longname

---
 internal/nametransform/names.go | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'internal/nametransform')

diff --git a/internal/nametransform/names.go b/internal/nametransform/names.go
index a659f0a..119d592 100644
--- a/internal/nametransform/names.go
+++ b/internal/nametransform/names.go
@@ -23,6 +23,10 @@ type NameTransformer interface {
 	DecryptName(cipherName string, iv []byte) (string, error)
 	EncryptName(plainName string, iv []byte) string
 	EncryptAndHashName(name string, iv []byte) (string, error)
+	// HashLongName - take the hash of a long string "name" and return
+	// "gocryptfs.longname.[sha256]"
+	//
+	// This function does not do any I/O.
 	HashLongName(name string) string
 	WriteLongNameAt(dirfd int, hashName string, plainName string) error
 	B64EncodeToString(src []byte) string
-- 
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