Date: Sat, 9 Apr 2016 12:23:05 +0200 From: Patrick Proniewski <patpro@...pro.net> To: passwords@...ts.openwall.com Subject: Re: Passphrases: syntax vs entropy On 09 avr. 2016, at 10:36, e@...tmx.net wrote: >> I trust you on the math here, but I'm skeptical about your hypothesis. >> You take into account the full Oxford English Dictionary, >> [but] a "real" dictionary is probably 3000 to 10000 words long. >> >> You state that W^8/7294 [...] is significantly greater than W^7, >> but that's true only for W > 7294. >> For most users, W might be lower than 7294 > > You forgot the premise. we are not talking about protecting every individual user, we are talking about the properties of the passwords! > > The question is: does this password creation scheme provide sufficient protection? Yes it does. Ok. I'm almost always thinking as the attacker, being my-self a "hobbyist" user of JtR. It helps a lot when I need to teach a user about what is a bad/poor password choice. This bias does not help much when I come across a work like yours. Thanks for the explanations. patpro
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