From 7e92ebe16a7735b29e0fdc62d4b5d49ce0dc2b66 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Thu, 16 Jun 2016 19:02:47 +0200
Subject: Rename nametransform, contentenc source files

Let's have shorter names, and merge *_api.go into the "main"
file.

No code changes.
---
 internal/nametransform/names_core.go | 65 ------------------------------------
 1 file changed, 65 deletions(-)
 delete mode 100644 internal/nametransform/names_core.go

(limited to 'internal/nametransform/names_core.go')

diff --git a/internal/nametransform/names_core.go b/internal/nametransform/names_core.go
deleted file mode 100644
index 779b885..0000000
--- a/internal/nametransform/names_core.go
+++ /dev/null
@@ -1,65 +0,0 @@
-package nametransform
-
-// Filename encryption / decryption functions
-
-import (
-	"crypto/aes"
-	"crypto/cipher"
-	"encoding/base64"
-	"fmt"
-
-	"github.com/rfjakob/eme"
-)
-
-// DecryptName - decrypt base64-encoded encrypted filename "cipherName"
-// The used 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).
-func (n *NameTransform) DecryptName(cipherName string, iv []byte) (string, error) {
-
-	bin, err := base64.URLEncoding.DecodeString(cipherName)
-	if err != nil {
-		return "", err
-	}
-
-	if len(bin)%aes.BlockSize != 0 {
-		return "", fmt.Errorf("Decoded length %d is not a multiple of the AES block size", len(bin))
-	}
-
-	if n.useEME {
-		bin = eme.Transform(n.cryptoCore.BlockCipher, iv, bin, eme.DirectionDecrypt)
-	} else {
-		cbc := cipher.NewCBCDecrypter(n.cryptoCore.BlockCipher, iv)
-		cbc.CryptBlocks(bin, bin)
-	}
-
-	bin, err = unPad16(bin)
-	if err != nil {
-		return "", err
-	}
-
-	plain := string(bin)
-	return plain, err
-}
-
-// encryptName - encrypt "plainName", return base64-encoded "cipherName64"
-// The used encryption is either CBC or EME, depending on "useEME".
-//
-// This function is exported because fusefrontend needs access to the full (not hashed)
-// name if longname is used
-func (n *NameTransform) EncryptName(plainName string, iv []byte) (cipherName64 string) {
-
-	bin := []byte(plainName)
-	bin = pad16(bin)
-
-	if n.useEME {
-		bin = eme.Transform(n.cryptoCore.BlockCipher, iv, bin, eme.DirectionEncrypt)
-	} else {
-		cbc := cipher.NewCBCEncrypter(n.cryptoCore.BlockCipher, iv)
-		cbc.CryptBlocks(bin, bin)
-	}
-
-	cipherName64 = base64.URLEncoding.EncodeToString(bin)
-	return cipherName64
-}
-- 
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