Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: "Carlos E.R." Newsgroups: comp.os.linux.misc,alt.folklore.computers Subject: Re: Python Date: Mon, 29 Dec 2025 21:50:37 +0100 Lines: 46 Message-ID: References: <693d5437$0$2499$426a34cc@news.free.fr> <7a611mx9gf.ln2@Telcontar.valinor> <693ea5fa$0$28070$426a74cc@news.free.fr> <6951a9d4$0$3356$426a74cc@news.free.fr> <6decnc07ib2BgM_0nZ2dnZfqn_adnZ2d@giganews.com> <10ita4e$qo5v$1@dont-email.me> <10iu3ba$11u10$2@dont-email.me> <10iudnj$15ims$2@dont-email.me> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Trace: individual.net QmCBZJYoVimwYP74uFxtOA3leXmaLCBO9V0PmcVRH6QozVWOZF X-Orig-Path: Telcontar.valinor!not-for-mail Cancel-Lock: sha1:pqLQrc1fZnT8lnHP+si1h+Kf6LI= sha256:eQWPCzy9+mAVVgF5dpmA1G01NoXKoIf4jFf9ur0Pe8U= User-Agent: Mozilla Thunderbird Content-Language: es-ES, en-CA In-Reply-To: <10iudnj$15ims$2@dont-email.me> Xref: csiph.com comp.os.linux.misc:80073 alt.folklore.computers:232874 On 2025-12-29 18:28, The Natural Philosopher wrote: > On 29/12/2025 14:31, Peter Flass wrote: >> On 12/29/25 03:42, Richard Kettlewell wrote: >>> Bobbie Sellers writes: >>>> On 12/28/25 22:40, rbowman wrote: >>>>> On Mon, 29 Dec 2025 01:17:50 -0500, c186282 wrote: >>>>>> For most 'office' uses you do NOT need AES-256 encryption for yer >>>>>> damned payroll or budget files. Nobody, not even Vlad or Xi, CARES. >>>>> We were dealing with NPS sites like Yellowstone and Rocky >>>>> Mountain. The Dept. of Interior certainly cares. >>>> >>>> Any employer who has a payroll has the Social Security numbers >>>> of the employees.  This certainly deserves the best encryption that >>>> can be set up. >>>> >>>> The encryption schemes are all breakable with enough power >>>> brought to bear. >>> >>> At this point you should take a moment to work out how much ‘enough’ is. >>> >>> Let’s assume that: >>> - you have a circuit design that can do a single AES-128 key >>>    schedule and decrypt operation in one cycle >>> - you can fit a million copies of this design onto one chip >>> - you can run the chip at 10GHz >>> - you can manufacture a trillion instances of the chip >>>    (and put enough of a computer around them to do something useful) >>> - you can somehow power and cool this unrealistically large >>>    supercomputer. >>> >>> This lets you test 10^6 * 10^10 * 10^12 = 10^28 keys per second. There >>> are 2^128 possible AES-128 keys so it will take you a little over one >>> thousand years to break AES-128. Your SSN will no longer be relevant by >>> this point. >> >> Right now, but people who work with this stuff are worried about what >> quantum computers can do with it. >> >> > Enigma codes were also 'unbreakable' The maths about encryption are better understood now. -- Cheers, Carlos. ES🇪🇸, EU🇪🇺;