id summary keywords status owner type priority 994 support precompressed files compression space-efficiency performance bandwidth security integrity backward-compatibility new somebody enhancement major 1354 compression (e.g. to efficiently store sparse files) compression space-efficiency performance new enhancement major 2018 padding to hide the size of plaintexts confidentiality privacy compression newcaps research new nejucomo enhancement normal 789 Support Accept-Encoding: compress, gzip in the WAPI compression json performance bandwidth new enhancement minor