New NaCl Box Encryption program

[inwtx]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Upon seeing some interest on alt.privacy.anon-server about
NaCl Box encryption, I wrote a program to make this similar
to GPG style public/private key encryption easier to use.

See at:
https://github.com/inwtx/NaClBoxEncryption
https://github.com/inwtx/NaClBoxEncryption/releases

-----BEGIN PGP SIGNATURE-----

iF4EAREIAAYFAl0zMw0ACgkQhU7fz9hYXBNA5QD/f1LNu7YxzJ5E2HQ8/3GUN5oU
gNW5YpLwd1pjVRakzPgA/2vyZqD3h0macIj6lJZauY6lYsyTvde2LbYsdsiBVPML
=cxh7
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--
pub 2048D/D8585C13
inwtx.net/pubkey.txt

[Stefan Claas]

That is great inwtx! I use box with friends and can now recommend
your GUI too! :-)

Here's my pub key, in case you like to test.

4a64758de9e8ceded2c481ee526440687fe2f3a828e3a813f87753ad30847b56

P.S. for ASCII armor I use base91 encoding / decoding, when sending
email messages.

Best regards
Stefan

[inwtx]

The program uses Base64. I don't have another choice with my compiler, but that will be transparent to anyone using the program.

To test, here is a short message:

My pubkey:
29396c99fb4f1540ec2fa85457dd8cde828596b1ad95b7e5d97319a40103fb48

=== BEGIN NaCL ENCRYPTION ===
AgAAAHYwRAAAAMkDUCl1dp9J654IEv4xW58d4eL0Wr7p+YRRXiT0oKtA2Qug4mZg
KEZ3eg4ZqsC4fQ3roP8xYLp8xmyREkeaqmxtP4zK
=== END NaCL ENCRYPTION ===

[Stefan Claas]

inwtx wrote:

> My pubkey:
> 29396c99fb4f1540ec2fa85457dd8cde828596b1ad95b7e5d97319a40103fb48
>
> === BEGIN NaCL ENCRYPTION ===
> AgAAAHYwRAAAAMkDUCl1dp9J654IEv4xW58d4eL0Wr7p+YRRXiT0oKtA2Qug4mZg
> KEZ3eg4ZqsC4fQ3roP8xYLp8xmyREkeaqmxtP4zK
> === END NaCL ENCRYPTION ===
>

Thanks. I installed your software on my offline Notebook, imported
your key and added mine and I could decrypt your message fine. But
I must RTFM to understand how to encrypt a message to you ...

I would also highly recommend, if you don't mind, to remove the
==Begin and ==End in the base64 armor, to make it harder for
mail filters, like procmail etc., to filter messages. Or if
possible, make it a user option.

Regards
Stefan

[inwtx]

>
> inwtx wrote:
>
>
>> My pubkey:
>> 29396c99fb4f1540ec2fa85457dd8cde828596b1ad95b7e5d97319a40103fb48
>>
>> === BEGIN NaCL ENCRYPTION ===
>> AgAAAHYwRAAAAMkDUCl1dp9J654IEv4xW58d4eL0Wr7p+YRRXiT0oKtA2Qug4mZg
>> KEZ3eg4ZqsC4fQ3roP8xYLp8xmyREkeaqmxtP4zK
>> === END NaCL ENCRYPTION ===
>>
>
> Thanks. I installed your software on my offline Notebook, imported
> your key and added mine and I could decrypt your message fine. But
> I must RTFM to understand how to encrypt a message to you ...

See note C. in help.

>
> I would also highly recommend, if you don't mind, to remove the
> ==Begin and ==End in the base64 armor, to make it harder for
> mail filters, like procmail etc., to filter messages. Or if
> possible, make it a user option.

Uncheck 'Encase result' in Params (bottom right corner).
I figured that someone wouldn't want that.

I just loaded out v1.2 with an additional option to select the
main widow color. It shows up a nice beige on some machines, but
yellow on others. Now you can change it.

[Stefan Claas]

Stefan Claas wrote:

> inwtx wrote:
>
> > My pubkey:
> > 29396c99fb4f1540ec2fa85457dd8cde828596b1ad95b7e5d97319a40103fb48
> >
> > === BEGIN NaCL ENCRYPTION ===
> > AgAAAHYwRAAAAMkDUCl1dp9J654IEv4xW58d4eL0Wr7p+YRRXiT0oKtA2Qug4mZg
> > KEZ3eg4ZqsC4fQ3roP8xYLp8xmyREkeaqmxtP4zK
> > === END NaCL ENCRYPTION ===
> >
>
> Thanks. I installed your software on my offline Notebook, imported
> your key and added mine and I could decrypt your message fine. But
> I must RTFM to understand how to encrypt a message to you ...

All fine now! :-)

=== BEGIN NaCL ENCRYPTION ===

AgAAAHYwkwAAAPM+gKgDwTrKPwb69u8cCiHqiz5D5hJreZyNfgIfFJja4M0G+Ngh
Y6NzpptyhGmI1WUSf7Y5JSu6gJHmCgZBl8CPlUN7PkXV4QV+AsL1RaC2bp/V8VDV
YyCZdHbFa5q2F/aKlZY5Ny4q4JZXpBmWK9eM0rmYnrBrjiecnfi5OZ697DG1dl6k
5wQuQjwtXsjtDsd0kQ==

=== END NaCL ENCRYPTION ===

Regards
Stefan

[inwtx]

>
>>
>> inwtx wrote:
>>
>>
>>> My pubkey:
>>> 29396c99fb4f1540ec2fa85457dd8cde828596b1ad95b7e5d97319a40103fb48
>>>
>>> === BEGIN NaCL ENCRYPTION ===
>>> AgAAAHYwRAAAAMkDUCl1dp9J654IEv4xW58d4eL0Wr7p+YRRXiT0oKtA2Qug4mZg
>>> KEZ3eg4ZqsC4fQ3roP8xYLp8xmyREkeaqmxtP4zK
>>> === END NaCL ENCRYPTION ===
>>>
>>
>> Thanks. I installed your software on my offline Notebook, imported
>> your key and added mine and I could decrypt your message fine. But
>> I must RTFM to understand how to encrypt a message to you ...
>
> See note C. in help.

I should have said note D.

[Stefan Claas]

inwtx wrote:

> >
> > inwtx wrote:
> >
> >
> >> My pubkey:
> >> 29396c99fb4f1540ec2fa85457dd8cde828596b1ad95b7e5d97319a40103fb48
> >>
> >> === BEGIN NaCL ENCRYPTION ===
> >> AgAAAHYwRAAAAMkDUCl1dp9J654IEv4xW58d4eL0Wr7p+YRRXiT0oKtA2Qug4mZg
> >> KEZ3eg4ZqsC4fQ3roP8xYLp8xmyREkeaqmxtP4zK
> >> === END NaCL ENCRYPTION ===
> >>
> >
> > Thanks. I installed your software on my offline Notebook, imported
> > your key and added mine and I could decrypt your message fine. But
> > I must RTFM to understand how to encrypt a message to you ...
>
> See note C. in help.
> >
> > I would also highly recommend, if you don't mind, to remove the
> > ==Begin and ==End in the base64 armor, to make it harder for
> > mail filters, like procmail etc., to filter messages. Or if
> > possible, make it a user option.
>
> Uncheck 'Encase result' in Params (bottom right corner).
> I figured that someone wouldn't want that.

Awesome, thanks!

> I just loaded out v1.2 with an additional option to select the
> main widow color. It shows up a nice beige on some machines, but
> yellow on others. Now you can change it.

Thanks a lot!

Regards
Stefan

[inwtx]

The ? help button works on my W7. It brings the help up in the
default browser - strange.

[Stefan Claas]

inwtx wrote:

> The ? help button works on my W7. It brings the help up in the
> default browser - strange.

I just noticed that I had not defined a default browser on my
offline computer ... now it works too! :-)

Really great software you did! I will recommend it also on
Mastodon, for other GnuPG / PGP users. ;-)

Regards
Stefan

[Stefan Claas]

Just did it. :-)

BTW. I have never seen encryption software which gives users
the ability to do padding with their messages, like Mixmaster
or YAMN does.

Do you think it would be possible for you to add message padding
in the GUI Windows, after composing a message and prior encrypting?

http://www.wiredyne.com/software/padding.html

I proposed that also long ago on the GnuPG Mailing list and again
also a while ago, but never received a reply ...

I suggested that long time ago here for a.a.m. users too but
the replies have been not so good, IMHO.

Regards
Stefan

[inwtx]

Good. I was about to incorporate the help within the program. That saves me some work.

[inwtx]

>
> BTW. I have never seen encryption software which gives users
> the ability to do padding with their messages, like Mixmaster
> or YAMN does.
>
> Do you think it would be possible for you to add message padding
> in the GUI Windows, after composing a message and prior
encrypting?
>
> http://www.wiredyne.com/software/padding.html
>
> I proposed that also long ago on the GnuPG Mailing list and again
> also a while ago, but never received a reply ...
>
> I suggested that long time ago here for a.a.m. users too but
> the replies have been not so good, IMHO.

This is something to think about. I guess the best thing to do
would be to fill up to several fix dummy character lengths wherein
the real message length is somewhere below one of those numbers. I
don't see the reason for it though, since the fixed packed lengths
of Mixmaster and YAMN has to be so that a message can't be tracked
by size through the system.

[Stefan Claas]

Well, I tried it out in the past and entered then with the Python
program integers for the padding parameter like 1024 or 2048 etc.,
depending on the message length and the program filled the message
with random chars, so that the final message had then the exact byte
size.

I think also it does not hurt to have such an option, when networks
are monitored and 3rd parties see only or often fixed size messages.

Regards
Stefan

[inwtx]

I'll think about putting in an option for up to 1024x multiple
padding. Something I failed to mentioned in the help is that
message size is limited to 16300 bytes. This is what the box
program limits it to, 16kb (16384). I limit the main window to
16300. This is because small machines can not handle more, since
all NaCl encryption is done in ram. If there is noise for bigger
message capability later, I might up the box compile to 32kb and
64kb and allow the user to select which box executable to use.

We are off for secret locations again tomorrow and not sure when I
will be back.

[Stefan Claas]

Thanks for the info, much appreciated!

Have a nice trip!

Regards
Stefan

[Stefan Claas]

inwtx wrote:

> I'll think about putting in an option for up to 1024x multiple
> padding. Something I failed to mentioned in the help is that
> message size is limited to 16300 bytes. This is what the box
> program limits it to, 16kb (16384). I limit the main window to
> 16300. This is because small machines can not handle more, since
> all NaCl encryption is done in ram. If there is noise for bigger
> message capability later, I might up the box compile to 32kb and
> 64kb and allow the user to select which box executable to use.

I think it means encrypting in 16kb chunks, because I am able
to encrypt also large images in MB size.

Regards
Stefan

[inwtx]

Well, it that case I'll take out the memo window 16300
restriction.
v1.3 will be loaded in a minute.

[Stefan Claas]

inwtx wrote:

> v1.3 will be loaded in a minute.

Thanks! :-)

Regards
Stefan

[Anonymous]

In article <20190720200...@300baud.de> Stefan Claas wrote:

> Stefan Claas wrote:
>
> > inwtx wrote:
> >
> > > The ? help button works on my W7. It brings the help up in the
> > > default browser - strange.
> >
> > I just noticed that I had not defined a default browser on my
> > offline computer ... now it works too! :-)
> >
> > Really great software you did! I will recommend it also on
> > Mastodon, for other GnuPG / PGP users. ;-)
>
> Just did it. :-)
>
> BTW. I have never seen encryption software which gives users
> the ability to do padding with their messages, like Mixmaster
> or YAMN does.
>
> Do you think it would be possible for you to add message padding
> in the GUI Windows, after composing a message and prior encrypting?
>
> http://www.wiredyne.com/software/padding.html
>
> I proposed that also long ago on the GnuPG Mailing list and again
> also a while ago, but never received a reply ...

Such "padding" is what the frontend program has to do, not the GnuPG core.

>
> I suggested that long time ago here for a.a.m. users too but
> the replies have been not so good, IMHO.

It was more than a decade ago that Omnimix added dummy load to WME messages.

: 1.5.5 WME messages now with optional dummy load to disguise the real size.

http://danner-net.de/omom/tutorwme.htm

: Provided that the PGP keys of all recipients of a mail are available,
: OmniMix can be advised to encrypt the entire message, including the complete
: header section and some random dummy data to disguise its real size, into
: one single PGP message block and send it by means of a rudimentary header,
: which has to contain nothing but the mail addresses and maybe some
: 'X-Hashcash' tokens.

[Nomen Nescio]

On 2019-07-20 10:29, inwtx wrote:

> NaCl Box encryption, I wrote a program to make this similar
>

> See at:
> https://github.com/inwtx/NaClBoxEncryption
> https://github.com/inwtx/NaClBoxEncryption/releases

How to build it from sources? Need how-to.

[inwtx]

Without going into a lot of details, the box-master folder/files
are compiled with Golang and the NaCl Box Encryption program is
compiled with CodeTyphon.

[Sir Gaygory's Owner's Owner 🐶笛]

On Sun, 21 Jul 2019 07:12:40 -0500, LO AND BEHOLD; "inwtx"
<nor...@inwtx.net> determined that the following was of great
importance and subsequently decided to freely share it with us in
<qh1krp$330$1...@news.mixmin.net>:

✡✡✡✡✡✡✡✡✡✡✡

✡✡✡✡✡✡✡✡✡✡✡

good thing all of these stupid build environments make things so "easy".

configure ; make ; make install was sooo difficult.

--
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[Stefan Claas]

Hi inwtx,

I may install soon CodeTyphon too, for cross-compiling.

I have one question. Why did you changed the box code
and directory for the keys?

I tested my box compiled version with a base64 encoder
and your software and can report everything works fine.

Best regards
Stefan

[Stefan Claas]

inwtx wrote:

> Without going into a lot of details, the box-master folder/files
> are compiled with Golang and the NaCl Box Encryption program is
> compiled with CodeTyphon.

Hi inwtx,

pretty awesome your new 1.5 version, with the added file parameter! :-)

Regards
Stefan

[inwtx]

Thanks.

I thought of doing that after you said that you had encrypted a 3MB
file. It was fairly easy to redesign the code to switch between data
and file. I have tested encrypting 4.5MBs, creating the basecode64 data,
and decrypting it successfully. If you get a basecode64 non-text file in,
just right click on the main window and select the 'Write to file' menu
item. Then decrypt the file to a file.

I just put out 1.6 that fixed some inconsequential bugs. I just saw
your question 'Why did you changed the box code and directory for the
keys?'. It better describes where the keys are located.

We had to come back from the start of our trip yesterday for a repair,
but we will be leaving again early tomorrow. So I will not be available
again for some time.

[Stefan Claas]

Thanks for the explanation, much appreciated! Have a nice trip!

Best regards
Stefan

--
box: 4a64758de9e8ceded2c481ee526440687fe2f3a828e3a813f87753ad30847b56
GPG: C93E252DFB3B4DB7EAEB846AD8D464B35E12AB77 (avail. on Hagrid, WKD)