On 28 Aug 2022, at 19:07, Pablo Rodriguez via ntg-context <ntg-context@ntg.nl> wrote:

On 8/28/22 12:25, Hans van der Meer via ntg-context wrote:

With \directlua{context(md5.hex([===[#1]===]))} I can calculate the MD5
checksum. 
I thought there was another call for the calculation of the SHA
checksum, but I could not find it in the documentation or on the context
garden. 
Where to look?

Dear dr. van der Meer,

it is my fault since Hans explained this before (to me).


You absolutely need not to apologize. The answer of Hans Hagen was quite sufficient for me and 
\def\SHA#1{\directlua{tex.sprint(sha2.hash256([===[#1]===]))}}
was all I needed. I know Hans from ages ago and he knows what I need in cases like this.

Alas, wikifying is not my thing.

Hans van der Meer\