09.11.2015 18:00, Jim Starkey wrote: > It matters because if every page is encrypted with the same key and > initial state, information can be learned by building a table of first > blocks. If two pages have the same encryption, then an attacker knows > that those pages have common prologs. This isn't a known plaintext > attack, but an analysis of cryptotext. It doesn't do anything towards > breaking the key, only to extract "leaked" information.
Here we are lucky, because in the beginning of every encrypted page only some meaningless pointers are placed, not user's information of any kind. -- WBR, SD. ------------------------------------------------------------------------------ Presto, an open source distributed SQL query engine for big data, initially developed by Facebook, enables you to easily query your data on Hadoop in a more interactive manner. Teradata is also now providing full enterprise support for Presto. Download a free open source copy now. http://pubads.g.doubleclick.net/gampad/clk?id=250295911&iu=/4140 Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel
