REST API's, JSON Web Tokens & Hash Algorithms

Tom Glod tom at
Tue Nov 12 11:27:15 EST 2019

Hey Tim, the ciphernames lists "encryption" algorithms not hashing.

I believe RS256 refers to RSA with SHA 256.

messagedigest is the function you want to look up for hashing algorithms.

On Tue, Nov 12, 2019 at 9:24 AM Bleiler, Timothy via use-livecode <
use-livecode at> wrote:

> Hi,
> I’ve seen some great presentations in the last few years from the
> conferences and Livecode Global sessions using Livecode to access REST
> API’s from web services, so I’m hoping someone can help me out here.
> I need to access a web service (<>) from my Livecode
> app using JSON web tokens.
> The service  documentation states that they only support RS256, RS384, and
> RS512 for hashing the signature in the token. Unfortunately, in the 139
> options and variations listed by the Livecode CipherNames function I don’t
> see these.
> Have I missed or misunderstood something or am I out of luck for using
> Livecode for this task?
> Thanks,
> Tim Bleiler, Ph.D.
> Instructional Designer, HSIT
> University at Buffalo
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Tom Glod
Founder & Developer
MakeShyft R.D.A (

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