XPost: alt.folklore.computers   
   From: tnp@invalid.invalid   
      
   On 29/12/2025 20:50, Carlos E.R. wrote:   
   > 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.   
   >   
   That's what they said, then...   
      
      
   --   
   "When one man dies it's a tragedy. When thousands die it's statistics."   
      
   Josef Stalin   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)