[viff-devel] Homomorphic encryption

[Janus Dam Nielsen]

Hi Marc

I am back from vacation and looking forward to the next release. Have  
you tried to replace the current uses of Paillier in VIFF with your  
code?



On 03/08/2009, at 11.11, Marc Makkes wrote:

> Hi Janus,
>
> The inclusion of multiple gmp.h and time.h is indeed a sloppy. This  
> will
> fixed in the next release. I'm currently working on there key  
> generation
> and some additional speedup. I hope to release it at the end of the
> week. In addition I have some for key extraction and recomputing
> methods. This make key storage a little easier. If you have any other
> comments/suggestions please let me know.
>
> Kind regards,
>
> -Marc
>
>
>
> Wed, Jul 29, 2009 at 01:42:09PM +0200, Janus Dam Nielsen wrote:
>>   Hi Marc
>>
>>   I have successfully compiled and run test.py and time.sh.
>>
>>   The results where:
>>
>>   [fagidiot at Fiona:~/...../PyPaillier]$ ./time.sh
>>   Encrypting:
>>   10 loops, best of 3: 132 msec per loop
>>   Decrypting
>>   10 loops, best of 3: 39.2 msec per loop
>>   Nice indeed.
>>
>>   I have some minor comments:
>>
>>   In py_paillier.c you import <sys/time.h> twice.
>>
>>   Also you include gmp.h in a lot of places, both in .c and .h  
>> files is
>>   that necessary.
>>
>>   On 10/07/2009, at 10.18, Marc Makkes wrote:
>>
>>   Hi Janus,
>>   Attached you find the tarball.
>>   Kind regards,
>>   -Marc
>>   <PyPaillier.tar.gz>
>>
>>   ____________________________________________________
>>   Janus Dam Nielsen
>>   R&D SCIENTIST, PhD.
>>   CENTRE FOR IT-SECURITY
>>   THE ALEXANDRA INSTITUTE LTD.
>>   T +45 42 22 93 56
>>   E [1]janus.nielsen at alexandra.dk
>>   W alexandra.dk
>>   ____________________________________________________
>>
>> References
>>
>>   1. mailto:janus.nielsen at alexandra.dk
>

____________________________________________________

Janus Dam Nielsen

R&D SCIENTIST, PhD.
CENTRE FOR IT-SECURITY

THE ALEXANDRA INSTITUTE LTD.

T +45 42 22 93 56
E janus.nielsen at alexandra.dk
W alexandra.dk
____________________________________________________

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