diff options
| -rw-r--r-- | TODO | 15 |
1 files changed, 8 insertions, 7 deletions
@@ -79,13 +79,14 @@ Index: QPDFWriter.cc * The description of Crypt filters is unclear with respect to how to use them to override /StmF for specific streams. I'm not sure whether qpdf will do the right thing for any specific individual - streams that might have crypt filters. The specification seems to - imply that only embedded file streams and metadata streams can have - crypt filters, and there are already special cases in the code to - handle those. Most likely, it won't be a problem, but someday - someone may find a file that qpdf doesn't work on because of crypt - filters. There is an example in the spec of using a crypt filter - on a metadata stream. + streams that might have crypt filters, but I believe it does based + on my testing of a limited subset. The specification seems to imply + that only embedded file streams and metadata streams can have crypt + filters, and there are already special cases in the code to handle + those. Most likely, it won't be a problem, but someday someone may + find a file that qpdf doesn't work on because of crypt filters. + There is an example in the spec of using a crypt filter on a + metadata stream. For now, we notice /Crypt filters and decode parameters consistent with the example in the PDF specification, and the right thing |