Ken Thompson Unix Paswọdu

N'ebe dị na 2014, na mkpofu nke BSD 3 isi iyi osisi, ahụrụ m faịlụ / etc / passwd jiri okwuntughe nke ndị agha agha niile dịka Dennis Ritchie, Ken Thompson, Brian W. Kernighan, Steve Bourne na Bill Joy.

Algọridim eji maka hashes ndị a bụ crypt (3) Dabere na DES - mara na adịghị ike (yana ogologo okwuntughe nke mkpụrụedemede 8). Ya mere echere m na ọ ga-adị mfe ịgbawa okwuntughe ndị a maka ntụrụndụ.

Anyị na-ewere ọkọlọtọ bruters john и okuko.

Ngwa ngwa, agbawara m ọtụtụ okwuntughe, ọtụtụ n'ime ha adịghị ike (ọ dị mma, bwk jiri paswọọdụ. /.,/.,, - ọ dị mfe pịnye na ahụigodo QWERTY).

Mana okwuntughe Ken enweghị ike ịgbawa. Ọbụlagodi nyocha zuru oke nke obere mkpụrụedemede na ọnụọgụ (ọtụtụ ụbọchị na 2014) arụpụtaghị nsonaazụ. Ebe ọ bụ na Ken Thompson na Robert Morris mepụtara algọridim, m nọ na-eche ihe nnukwu nkwekọrịta ahụ bụ. Aghọtakwara m na, ma e jiri ya tụnyere atụmatụ hashing okwuntughe ndị ọzọ dị ka NTLM, crypt(3) na-adị ngwa ịgbaji (ikekwe na-adịchaghị mma).

Ọ̀                                             dd agd abd abd n’odide pmkp pmkp pmkp? (ike 7-bit zuru oke ga-ewe ihe karịrị afọ abụọ na GPU ọgbara ọhụrụ).

Ná mmalite nke October isiokwu a ewelitere ọzọ na ndepụta nzipu ozi Otu Unix Heritage Society, na m kesara nsonaazụ ya na ndakpọ olileanya na ọ pụghị ịgbawa paswọọdụ Ken.

N'ikpeazụ taa Nigel Williams kpughere nzuzo:

Site na: Nigel Williams[email protected]>
Isiokwu: Re: [TUHS] na-eweghachi faịlụ /etc/passwd

Ken dị njikere:

ZghOT0eRm4U9s:p/q2-q4!

O were ihe karịrị ụbọchị anọ na AMD Radeon Vega64 na hashcat na ihe dịka 930MH / s (ndị maara maara na hashrate na-agbanwe ma na-agbada na njedebe).

Nke a bụ nzọụkwụ mbụ nke pawn squares abụọ n'ime nkọwa nkọwa na mmalite ọtụtụ oghere ahụkarị, nke dabara nke ọma n'ime Nzụlite Ken Thompson na chess kọmputa.

Obi dị m ụtọ nke ukwuu na edozila ihe omimi ahụ, nsonaazụ ya dịkwa ụtọ nke ukwuu.

isi: www.habr.com