Libgcrypt CFB-mode as CFB-8bit

liza liza.churkyn at sociomantic.com
Tue Apr 26 12:31:04 CEST 2016


Hello,

I'm not sure whether I missed your answer :) So at the risk of repeating 
myself... will a patch to support CFB 8 bit be welcomed, or were you 
going to add it yourself?

Thanks,
Liza

On 14/04/16 15:43, liza wrote:
> Excellent. Did you want to do this yourself or would you like patches?
>
> I'm happy to do it, should just say this will be my first foray into 
> encryption code so I may have to come back for advice :)
>
> Liza
>
> On 14/04/16 14:45, Werner Koch wrote:
>> On Thu, 14 Apr 2016 13:03,liza.churkyn at sociomantic.com  said:
>>
>>> systems already use 8 bit CFB mode to encrypt some data they send and
>>> they are not likely to change anytime soon. I had hoped to use gcrypt
>>> to do the decryption and while it works for all the other algorithms
>> It is too late for 1.7.0 to add this mode.  Anyway, I just pushed a
>> change which adds GCRY_CIPHER_MODE_CFB8 to prepare for an addition in
>> 1.7.1
>>
>>
>> Shalom-Salam,
>>
>>     Werner
>>
>
>
>
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