Implement deterministic ID

For non-encrypted files, determinstic ID generation uses file contents
instead of timestamp and file name. At a small runtime cost, this
enables generation of the same /ID if the same inputs are converted in
the same way multiple times.

1 files changed, 6 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 1e09c29b..f42a2f5c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2015-10-29  Jay Berkenbilt  <ejb@ql.org>
+
+	* Implement QPDFWriter::setDeterministicID and --deterministic-id
+	commandline-flag to qpdf to request generation of a deterministic
+	/ID for non-encrypted files.
+
 2015-05-24  Jay Berkenbilt  <ejb@ql.org>
 
 	* 5.1.3: release