triple DH

Werner Koch wk at
Thu May 21 11:17:37 CEST 2015

On Wed, 20 May 2015 12:41, wk at said:

> Thus this is about generating keys in a way to allow point compression
> in a non-patent encumbered way.  Meanwhile the point compression patent

The reason for the lower speed can not be attributed to Jivsov's trick
but the fact that we convert to affine coordinates twice (which requires
an inversion).  The attached patch remove the double conversion.

Does this help?



Die Gedanken sind frei.  Ausnahmen regelt ein Bundesgesetz.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0001-ecc-Avoid-twice-conversion-to-affine-coordinates-in-.patch
Type: text/x-diff
Size: 8213 bytes
Desc: not available
URL: </pipermail/attachments/20150521/5a8c8687/attachment.patch>

More information about the Gcrypt-devel mailing list