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If the ciphers are newer and not on your system, there is zero chance
you'll get it to work. IBM announced no new ciphers will be supported over
a year ago for V7R1.

It stinks.. I have customers in the same situation. Some I have help do
this with a proxy (either a PC/nix box or another IBM i). Make a request
to the proxy that supports the ciphers, the proxy makes the request to the
actual system, returns back through the chain.


Bradley V. Stone
www.bvstools.com
MAILTOOL Benefit #2 <https://www.bvstools.com/mailtool.html>: The ability
to specify a "From" and/or "Reply To" email address!

On Fri, May 1, 2020 at 12:43 PM Carter.Spencer <
Carter.Spencer@xxxxxxxxxxxxxxxxx> wrote:

We have an existing relationship with a vendor where we exchange info with
using HTTPAPI (ver 1.4). They are updating their security to use TLS 1.2
and 256 encryption.
Our Power5 is stuck at OS 7.1 with no virtually no chance to be upgraded.
I inherited this process so I don't fully understand it so I wanted to run
it by you experts to verify we may need to find another system to
communicate with them.

Our QSSLPCL is:
*TLSV1.2
*TLSV1.1

Our QSSLCSL is:
*RSA_AES_256_CBC_SHA256
*RSA_AES_128_CBC_SHA256
*RSA_AES_128_CBC_SHA
*RSA_AES_256_CBC_SHA

The error I get when trying to communicate with them is:
(GSKit) Peer not recognized or badly formatted message received.
ssl_error(415): (GSKit) Peer not recognized or badly formatted message
received.

They say they are using openssl's 1.1.0 definition of ciphers matching
HIGH.
They did give me a file of their ciphers and there wasn't an exact match
but these were the closest:
SRP-RSA-AES-256-CBC-SHA
SRP-RSA-AES-128-CBC-SHA

I was expecting a different error message if it was just our ciphers not
matching. Regardless, is there no hope to get this working?

Spencer Carter
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