diff options
Diffstat (limited to 'internal/fusefrontend_reverse/rfs.go')
-rw-r--r-- | internal/fusefrontend_reverse/rfs.go | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/internal/fusefrontend_reverse/rfs.go b/internal/fusefrontend_reverse/rfs.go index bc8a535..35e9e50 100644 --- a/internal/fusefrontend_reverse/rfs.go +++ b/internal/fusefrontend_reverse/rfs.go @@ -46,10 +46,14 @@ type reverseFS struct { var _ pathfs.FileSystem = &reverseFS{} -// NewFS returns an encrypted FUSE overlay filesystem +// NewFS returns an encrypted FUSE overlay filesystem. +// In this case (reverse mode) the backing directory is plain-text and +// reverseFS provides an encrypted view. func NewFS(args fusefrontend.Args) pathfs.FileSystem { + if args.CryptoBackend != cryptocore.BackendAESSIV { + panic("reverse mode must use AES-SIV, everything else is insecure") + } initLongnameCache() - cryptoCore := cryptocore.New(args.Masterkey, args.CryptoBackend, contentenc.DefaultIVBits) contentEnc := contentenc.New(cryptoCore, contentenc.DefaultBS) nameTransform := nametransform.New(cryptoCore, args.LongNames) |