Re: [IBMiOSS] Understanding SSH Key Pairs -- OPENSOURCE

Hi. Thanks for your response, but youtube is not really an option for me
due to very limited mb allocation. I live far out in the country and use my
phone as modem with hotspot.

There once was a time when you could download youtube videos and they were
90% real content - these days they're about 40-50% content and the rest
unskippable ads and palaver
(intro/previews/music/outro/credits/like-begging). Watching one video three
times to absorb it would use my entire remaining monthly allocation, which
I need for email/browsing.

On Sun, May 26, 2024 at 6:38 PM Alan Campin <alan0307d@xxxxxxxxx> wrote:

If you go to YouTube and run a query for Public Key Encryption you will
find some videos. Here are a few.

https://www.youtube.com/watch?v=GSIDS_lvRv4
https://www.youtube.com/watch?v=NmM9HA2MQGI
https://www.youtube.com/watch?v=NF1pwjL9-DE

On Sat, May 25, 2024 at 11:19 PM Arnie Flangehead <
arnie.flangehead@xxxxxxxxx> wrote:

Hi All

I'm required to switch from FTP to sFTP, and first that means negotiating
OpenSSH. I want to really understand this, because I don't think the

person

on the server side does and I think one of us should.

I've read a couple of tutorials, but I'm stuck on the concept of public

and

private keys.

In the context of an IBM i being the client (me), and a non-IBM i being

the

server (my client's customer):

Do both parties generate both private and public keys?
Which party gives his public key to the other? (or do both, or only one,
but it doesn't matter which?)
How many keys are there in total? e.g. Do both parties share the same
public key, with each having his own private key?
If you generate your private key from the public, what stops a baddy from
intercepting your public key and doing the same generation then
impersonating you?
Do you get a different private key each time you generate from the public
key? Would this then be invalid for a connection you've used before? e.g.
If you test with one User Profile then switch to another.

As you can see from these questions, I'm really devoid of basic
understanding of how this concept is supposed to work. Feel free to

answer

the above questions point by point, or to explain via a short summary or

a

metaphor/analogy if that's easier.

Thanks.
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