Re: The SHA256 of "xy\n" (ASCII, no CRLF) contains 1337, ACBAD in za, and I am 1aa

From: Jeff King <peff@peff.net>
Date: Jan 23, 2026, 21:06 UTC
Message-ID: <20260123210643.GA2728629@coredump.intra.peff.net>
In-Reply-To: <CADMnYXDDbVBwZgETsFhwkOyn8cM8QU4+YQs2rRfTac6ec49-5A@mail.gmail.com>

On Fri, Jan 23, 2026 at 09:16:46PM +0100, Klaus Sembritzki wrote:

Show 7 quoted lines

> $ # My initials (ks): 1aa
> $ echo ks | sha256sum
> $ 1aa44e718d5bc9b7ff2003dbbb6f154e16636d5c2128ffce4751af5124b65337
> 
> $ # 50566750337
> $ echo thinking | sha256sum
> $ 50566750337beb9e98e553fd9196d10576f9eb0cbc6b66e2586b9d73af4f352f

Oh man, I've got deadbeef!

  $ echo jk35252822 | sha256sum
  33f1a74529870456c56ad97c59cfed6bdeadbeef9b9bc3f4ff49bb203e36f96b

What could it all mean?

-Peff