XPost: alt.folklore.computers   
   From: tnp@invalid.invalid   
      
   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'   
      
      
      
   --   
   “People believe certain stories because everyone important tells them,   
   and people tell those stories because everyone important believes them.   
   Indeed, when a conventional wisdom is at its fullest strength, one’s   
   agreement with that conventional wisdom becomes almost a litmus test of   
   one’s suitability to be taken seriously.”   
      
   Paul Krugman   
      
   --- SoupGate-Win32 v1.05   
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