SSDEEP FILE FORMAT VERSION 1.1 1. REVISION HISTORY 14 Aug 2006 - Initial version (jk) 15 Jul 2010 - Adding quotation marks to filenames 2. FILE HEADER The first line of the file is a header, like this: ssdeep,1.1--blocksize:hash:hash,filename ssdeep - Identifies the file type 1.1 - The version of the file format, NOT the version of the program -- - Separator The remainder of the line identifies the format of the file. Note that for version 1.1 these values must be given EXACTLY as shown above 3. FILE DATA Each line represents the hash of one file as listed in the header. Specifically, we have the blocksize used by the program, the hash for this blocksize and twice the blocksize, and the filename. Filenames are enclosed in quotation marks. Filenames which contain a quotation mark will have those quotes slash escaped. For example, the file ma"in.c will be listed as: "ma\"in.c"