Trying to Connect with a Hacker Online

Karl gmkarl at
Mon Oct 12 15:03:19 PDT 2020

I embarrassingly haven't sustained much understanding of golang ... I
wanted to convert my box keys to signify-nacl keys but it seems the
formats are different; my own signature doesn't verify when I just
copy the bytes.

Do you know if there is a way to use cargo from an offline system?
This would help inspire me to understand golang better.

On 10/12/20, Stefan Claas <sac at> wrote:
> Karl wrote:
>> Also attached to resolve pasting corruption.  Document includes only
>> through the ---- armor.
>> As it says inside the document, signature is calculated with tail -n
>> +4 | head -n -8 | sha512sum .
>>                                        Hash: tail -n +4 | head -n -8 |
>> sha512sum
> Most interesting with what you came up with, because my MUA saves then
> your message as it should be. However, unfortunately the included hash
> does not match. :-(
> BTW. are you aware that the NaCl crypto library has also a sign function?
> It would then require a second key, same as with GnuPG, but maybe also
> worth to explore, because you are a programmer.
> Here is a sample implementation in Golang, which unfortunately writes
> the signature as binary instead of (base64) ASCII.
> Regards
> Stefan
> --
> NaClbox: cc5c5f846c661343745772156a7751a5eb34d3e83d84b7d6884e507e105fd675
>   The computer helps us to solve problems, we did not have without him.

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