diff options
| -rw-r--r-- | internal/contentenc/offsets.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/internal/contentenc/offsets.go b/internal/contentenc/offsets.go index 97d7116..5ad0da4 100644 --- a/internal/contentenc/offsets.go +++ b/internal/contentenc/offsets.go @@ -54,6 +54,11 @@ func (be *ContentEnc) CipherSizeToPlainSize(cipherSize uint64) uint64 { overhead := be.BlockOverhead()*blockCount + HeaderLen + if overhead > cipherSize { + tlog.Warn.Printf("cipherSize %d < overhead %d: corrupt file\n", cipherSize, overhead) + return 0 + } + return cipherSize - overhead } |