Hi Spencer,

I have been looking at it, but it does not do what I want to do.

I need to construct a JSON Web Token (JWT)

For that, I need to encrypt a string with a secret key, to obtain the encrypted 
token.
As far as I can see there is no parameter in ‘Generate Digest' to do so.

I tried to use:

PHP 
Execute(“";"hash_hmac";$HMACSHA256;"sha256";($base64UrlHeader+"."+$base64UrlPayload);$key)

but the signature that is being returned does not work with JWT.

I tested it on jwt.io <http://jwt.io/>, and it returns ‘invalid’.

So I am looking for other ways to generate this HMAC SHA256


Regards,

Rudy Mortier
Two Way Communications bvba 



> On 20 Mar 2020, at 17:18, Spencer Hinsdale <[email protected]> wrote:
> 
> Does this help?
> 
> https://doc.4d.com/4Dv17/4D/17.4/Generate-digest.301-4882385.en.html
> 
> 
> On 3/20/20, 9:15 AM, "4D_Tech on behalf of Rudy Mortier via 4D_Tech" 
> <[email protected] on behalf of [email protected]> wrote:
> 
>    Hi Bruno,
> 
>    I was looking in nabble to find a solution for generating HMAC-SHA256 keys.
> 
> 

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