[Info-vax] What to do with my VAX.....

[Bill Gunshannon]

On 11/11/20 8:54 PM, Dave Froble wrote:
> On 11/11/2020 6:56 PM, Alexander Schreiber wrote:
>> seasoned_geek <roland at logikalsolutions.com> wrote:
> 
>>> ALL
>>> ENCRYPTION is security by obscurity. Period.
>>
>> Thus proving nicely that you know _absolutely_ nothing about encryption.
>> You imight want to read up on Kerckhoff's principle for starters.
> 
> Well, I wouldn't be so quick to dismiss that statement.
> 
> Isn't not knowing a solution a form of obscurity?  Otherwise, if one 
> knows the key, then there is no security, right?  So not knowing the key 
> is sort of "security by obscurity"?
> 
> There have been multiple instances in the past of codes being broken and 
> harmful affects because of that.  The Japanese code in WWII?
> 
> What is a "secret key", other than "unknown data"?  Can such a key be 
> guessed?  Unlikely.  But possible.
> 
Guess it depends on which part of ENCRYPTION you are talking about.
The entire algorithm for the Unix Password encryption is documented
and available for anyone who wants to read it.  No obscurity involved
at all.  Let me know when you figure out how to reverse the encryption
for any password.  Brute force doesn't count.

bill