diff options
Diffstat (limited to 'libqpdf/QPDFJob_config.cc')
| -rw-r--r-- | libqpdf/QPDFJob_config.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libqpdf/QPDFJob_config.cc b/libqpdf/QPDFJob_config.cc index 834de9ab..4798ce9b 100644 --- a/libqpdf/QPDFJob_config.cc +++ b/libqpdf/QPDFJob_config.cc @@ -1042,6 +1042,9 @@ QPDFJob::EncConfig::EncConfig(Config* c) : QPDFJob::Config* QPDFJob::EncConfig::endEncrypt() { + if (config->o.m->keylen == 0) { + usage("encryption key length is required"); + } config->o.m->encrypt = true; config->o.m->decrypt = false; config->o.m->copy_encryption = false; |