diff options
Diffstat (limited to 'cryptfs/names_noiv.go')
-rw-r--r-- | cryptfs/names_noiv.go | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/cryptfs/names_noiv.go b/cryptfs/names_noiv.go deleted file mode 100644 index 7eed4b8..0000000 --- a/cryptfs/names_noiv.go +++ /dev/null @@ -1,63 +0,0 @@ -package cryptfs - -import ( - "strings" -) - -const ( - OpEncrypt = iota - OpDecrypt -) - -// DecryptPathNoIV - decrypt path using CBC without any IV. -// This function is deprecated by the the more secure DirIV variant and only retained -// for compatability with old filesystems. -func (be *CryptFS) DecryptPathNoIV(cipherPath string) (plainPath string, err error) { - plainPath, err = be.translatePathNoIV(cipherPath, OpDecrypt) - return plainPath, err -} - -// EncryptPathNoIV - decrypt path using CBC without any IV. -// This function is deprecated by the the more secure DirIV variant and only retained -// for compatability with old filesystems. -func (be *CryptFS) EncryptPathNoIV(plainPath string) (cipherPath string) { - cipherPath, _ = be.translatePathNoIV(plainPath, OpEncrypt) - return cipherPath -} - -// translatePathZeroIV - encrypt or decrypt path using CBC with an all-zero IV. -// Just splits the string on "/" and hands the parts to encryptName() / decryptName() -func (be *CryptFS) translatePathNoIV(path string, op int) (string, error) { - var err error - - // Empty string means root directory - if path == "" { - return path, err - } - - zeroIV := make([]byte, DIRIV_LEN) - - // Run operation on each path component - var translatedParts []string - parts := strings.Split(path, "/") - for _, part := range parts { - if part == "" { - // This happens on "/foo/bar/" on the front and on the end. - // Don't panic. - translatedParts = append(translatedParts, "") - continue - } - var newPart string - if op == OpEncrypt { - newPart = be.encryptName(part, zeroIV, false) - } else { - newPart, err = be.decryptName(part, zeroIV, false) - if err != nil { - return "", err - } - } - translatedParts = append(translatedParts, newPart) - } - - return strings.Join(translatedParts, "/"), err -} |