DESPlugin is broken

> Hans-Martin Mosner, if you have your ears on, I could use some help figuring
> out the algorithm.  Anyone else for that matter.
>
> Here is the spec:
> http://csrc.nist.gov/publications/fips/fips46-3/fips46-3.pdf
>
> The key is cooked for encryption or decryption
> The data block is submitted for encryption (or decryption, depending on the
> cooked key)
>   - first the data block is permuted using the Initial Permutation
>   - result of the permutation step is encrypted using the cooked key
>   - result of the encryption step is permuted using the inverse of the
> Initial Permutation
>
> I do not know if the problem is with the key cooking or the encryption
> transformation.
>
> Thanks for any help!

> On Sat, 24 Jul 2010, Rob Withers wrote:
>
>> Hans-Martin Mosner, if you have your ears on, I could use some help
>> figuring out the algorithm.  Anyone else for that matter.
>>
>> Here is the spec:
>> http://csrc.nist.gov/publications/fips/fips46-3/fips46-3.pdf
>>
>> The key is cooked for encryption or decryption
>> The data block is submitted for encryption (or decryption, depending on
>> the cooked key)
>>   - first the data block is permuted using the Initial Permutation
>>   - result of the permutation step is encrypted using the cooked key
>>   - result of the encryption step is permuted using the inverse of the
>> Initial Permutation
>>
>> I do not know if the problem is with the key cooking or the encryption
>> transformation.
>>
>> Thanks for any help!
>
> Do the tests in the Cryptography package pass for you?
>

>
> Levente
>
>>
>> Rob _______________________________________________
>> Cryptography mailing list
>> [hidden email]
>> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/cryptography
>>
>

>
>
> --------------------------------------------------
> From: "Levente Uzonyi" <[hidden email]>
> Sent: Saturday, July 24, 2010 6:27 AM
> To: "Cryptography Team Development List"
> <[hidden email]>
> Cc: "Squeak Dev" <[hidden email]>
> Subject: [squeak-dev] Re: [Cryptography Team] DESPlugin is broken
>
>> On Sat, 24 Jul 2010, Rob Withers wrote:
>>
>>> Hans-Martin Mosner, if you have your ears on, I could use some help
>>> figuring out the algorithm.  Anyone else for that matter.
>>>
>>> Here is the spec:
>>> http://csrc.nist.gov/publications/fips/fips46-3/fips46-3.pdf
>>>
>>> The key is cooked for encryption or decryption
>>> The data block is submitted for encryption (or decryption, depending on
>>> the cooked key)
>>>   - first the data block is permuted using the Initial Permutation
>>>   - result of the permutation step is encrypted using the cooked key
>>>   - result of the encryption step is permuted using the inverse of the
>>> Initial Permutation
>>>
>>> I do not know if the problem is with the key cooking or the encryption
>>> transformation.
>>>
>>> Thanks for any help!
>>
>> Do the tests in the Cryptography package pass for you?
>>
>
> I should note that this failure is under Cog.  I am trying to build plugins
> for Windows Squeak 4.0.2, but am having problems - the topic of a different
> thread I started.
>
> Some DES test fail.  In CryptoDESTest, I am failing on #testDES, #testDES2,
> #testDESFormal, and #testTripleDES, with the DESPlugin loaded.  Without the
> Plugin all pass green.

>
> Rob
>
>>
>> Levente
>>
>>>
>>> Rob _______________________________________________
>>> Cryptography mailing list
>>> [hidden email]
>>> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/cryptography
>>>
>>
> _______________________________________________
> Cryptography mailing list
> [hidden email]
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/cryptography
>