Elias,

Elias_iText wrote
> How can I get the Hash bytes from a signature for external verification?

For the subfilters '*.detached' it is the value of the message-digest signed
attribute of the single SignerInfo in the signature container in the
signature dictionary /Content value.

Regards,   Michael


PS: Maybe you should explain a bit more in detail what you need and what you
already have.



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