Re: Creating/Verifying/Decoding JWT on IBM i -- MIDRANGE-L

Thanks, Tim. I thought I had heard of some HASH functions. I'll check
things out.

Bradley V. Stone
www.bvstools.com
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On Fri, Feb 7, 2020 at 2:35 AM Tim Fathers <X700-IX2J@xxxxxxxxxxx> wrote:

I thought I had written some SQL JWT code for the IBM i but it was for
MariaDb, but you might find something useful here anyway
https://bitbucket.org/fathert/mariadb-jwt/src/master/ there are a few
syntax differences with the JSON functions (e.g. json_extract() is
json_query() etc. when you need to pluck out values from the JWT) and in
7.4 there are some equivalent HASH_SHA***() functions on the IBM i to
replace the ones I have used. I tested this code here https://jwt.io/
when I wrote it but I ended up not using JWTs for my app because I didn't
like the fact that they can't be revoked from the server side.

One thing to note regarding your base-64 question, the base-64 in a JWT is
URL compliant, so has some characters from normal base-64 replaced with URL
compliant ones and also, the trailing = signs can be truncated which messes
up some decoders, so my code adds them back.

Tim.

________________________________
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> on behalf of B
Stone <bvstone@xxxxxxxxx>
Sent: 06 February 2020 21:59
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Creating/Verifying/Decoding JWT on IBM i

Are they only using base64 or do they allow other algorithms? Looking for
mainly decoding to get the payload. I didn't really find any example of
that.

I can handle base64, it's if any other algorithms are used that would make
it a little trickier. I can do it in node if I have to, though.

On Thu, Feb 6, 2020 at 2:40 PM Niels Liisberg <nli@xxxxxxxxxxxxxxxxx>
wrote:

You can take a look at the ILEastic project.

There is a jet example made in RPG

https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fsitemule%2FILEastic&data=02%7C01%7C%7C6b48aea02a9849d29cfa08d7ab478a5c%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637166196055843451&sdata=PW7m20A%2BkV9mZ03Hb%2FLPv2MRSOElSgEC2gytpzJq9Y0%3D&reserved=0

tor. 6. feb. 2020 kl. 17.57 skrev B Stone <bvstone@xxxxxxxxx>:

Besides OSS or Java, has anyone run across anything that works with

JWTs

on

the IBM i? C, RPG, SQL, etc?

Thanks!

Bradley V. Stone

https://nam04.safelinks.protection.outlook.com/?url=www.bvstools.com&data=02%7C01%7C%7C6b48aea02a9849d29cfa08d7ab478a5c%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637166196055853462&sdata=8CSbHRNwCENqSTPkhFtHGvGbEr815MgdCtGcCfgUE3g%3D&reserved=0

MAILTOOL Benefit #3 <

https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.bvstools.com%2Fmailtool.html&data=02%7C01%7C%7C6b48aea02a9849d29cfa08d7ab478a5c%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637166196055853462&sdata=qIZlLZypdMFcp2K4ZxSy8MFS8CVq6vp%2BMpJuxDvt7p0%3D&reserved=0>:
No 400

byte

or less message limit as with SNDDST or SNDSMTPEMM.
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