diff options
Diffstat (limited to 'libqpdf/QPDFWriter.cc')
| -rw-r--r-- | libqpdf/QPDFWriter.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/libqpdf/QPDFWriter.cc b/libqpdf/QPDFWriter.cc index 8cdd2759..6cfa6fb9 100644 --- a/libqpdf/QPDFWriter.cc +++ b/libqpdf/QPDFWriter.cc @@ -363,11 +363,14 @@ QPDFWriter::setEncryptionParametersInternal( } if (V == 4) { - encryption_dictionary["/StmF"] = "/CF1"; - encryption_dictionary["/StrF"] = "/CF1"; + // The spec says the value for the crypt filter key can be + // anything, and xpdf seems to agree. However, Adobe Reader + // won't open our files unless we use /StdCF. + encryption_dictionary["/StmF"] = "/StdCF"; + encryption_dictionary["/StrF"] = "/StdCF"; std::string method = (this->encrypt_use_aes ? "/AESV2" : "/V2"); encryption_dictionary["/CF"] = - "<< /CF1 << /AuthEvent /DocOpen /CFM " + method + " >> >>"; + "<< /StdCF << /AuthEvent /DocOpen /CFM " + method + " >> >>"; } this->encrypted = true; |