Re: Not getting the correct result with SHA3

[Marlon Smith]

Thanks for the responses guys.  Looks like this is all figured out now.

On Mon, 2016-08-29 at 20:44 +0300, Lauri Kasanen wrote:

> On Mon, Aug 29, 2016, at 15:10, Denys Vlasenko wrote:
> > I guess this is an example why it makes sense to wait for general
> > adoption of the tool in common distros before adding it to busybox.
> > 
> > The bug was that SHA3 uses 0110*1 padding (raw Keccak uses 10*1).
> > Easy to fix.
> > 
> > sha3sum which I found on Fedora is a Perl script (oookay...),
> > it defaults to SHA3-224 and has an -a BITS option.
> > 
> > Fixed both in git. Please try it.
> 
> Confirmed working on x86_64. Thanks Denys!
> 
> - Lauri
> 


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Re: Not getting the correct result with SHA3

[Lauri Kasanen]

On Mon, Aug 29, 2016, at 15:10, Denys Vlasenko wrote:
> I guess this is an example why it makes sense to wait for general
> adoption of the tool in common distros before adding it to busybox.
> 
> The bug was that SHA3 uses 0110*1 padding (raw Keccak uses 10*1).
> Easy to fix.
> 
> sha3sum which I found on Fedora is a Perl script (oookay...),
> it defaults to SHA3-224 and has an -a BITS option.
> 
> Fixed both in git. Please try it.

Confirmed working on x86_64. Thanks Denys!

- Lauri

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Re: Not getting the correct result with SHA3

[Denys Vlasenko]

On Sat, Aug 27, 2016 at 10:31 AM, Lauri Kasanen  wrote:
> On Fri, Aug 26, 2016, at 21:28, Marlon Smith wrote:
>> Hi everyone,
>>
>> I'm using Busybox version 1.23.1 and it seems like sha3sum is giving an
>> incorrect result.
>>
>> For example if I run this command:
>>
>> echo "abc" | sha3sum
>>
>> I get an incorrect result:
>>
>> e0a651904afe783ec83eeb586a2e602a09c43a3c6d795549ed7a58caae661074beaccd16d470ce4eac3ba98feee94bead3916ef4a75c1501
>> 1f07df348ce7a9e7
>>
>> I'm running BusyBox on an i.MX6 embedded Linux system based on Yocto.
>>
>> Does anyone know why this could be the case?
>
> Hi,
>
> We're aware. SHA3 changed after we made the applet, IIRC in the padding
> bits added after the data. Patches welcome, I'm really busy.

I guess this is an example why it makes sense to wait for general
adoption of the tool in common distros before adding it to busybox.

The bug was that SHA3 uses 0110*1 padding (raw Keccak uses 10*1).
Easy to fix.

sha3sum which I found on Fedora is a Perl script (oookay...),
it defaults to SHA3-224 and has an -a BITS option.

Fixed both in git. Please try it.
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Re: Not getting the correct result with SHA3

[Lauri Kasanen]

On Fri, Aug 26, 2016, at 21:28, Marlon Smith wrote:
> Hi everyone,
> 
> I'm using Busybox version 1.23.1 and it seems like sha3sum is giving an
> incorrect result.
> 
> For example if I run this command:
> 
> echo "abc" | sha3sum
> 
> I get an incorrect result:
> 
> e0a651904afe783ec83eeb586a2e602a09c43a3c6d795549ed7a58caae661074beaccd16d470ce4eac3ba98feee94bead3916ef4a75c1501
> 1f07df348ce7a9e7
> 
> I'm running BusyBox on an i.MX6 embedded Linux system based on Yocto.
> 
> Does anyone know why this could be the case?

Hi,

We're aware. SHA3 changed after we made the applet, IIRC in the padding
bits added after the data. Patches welcome, I'm really busy.

- Lauri

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Not getting the correct result with SHA3

[Marlon Smith]

Hi everyone,

I'm using Busybox version 1.23.1 and it seems like sha3sum is giving an
incorrect result.

For example if I run this command:

echo "abc" | sha3sum

I get an incorrect result:

e0a651904afe783ec83eeb586a2e602a09c43a3c6d795549ed7a58caae661074beaccd16d470ce4eac3ba98feee94bead3916ef4a75c1501
1f07df348ce7a9e7

I'm running BusyBox on an i.MX6 embedded Linux system based on Yocto.

Does anyone know why this could be the case?

Thanks

Marlon
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