On 11/09/2015 08:05 PM, Dimitry Sibiryakov wrote: > 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. >
In that case encrypting something from page header seems to be bad idea. ------------------------------------------------------------------------------ Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel
