Problems calculating signature

[Johannes Ernst]

On Sep 5, 2006, at 11:17, Granqvist, Hans wrote:

> Johannes, if you managed to do it correctly, you'd be able
> to straw-man that set of steps, no?  ;)

Touche ;-) I wouldn't bet that we have it right now either, however,  
although I haven't heard of a problem in some months.

>> A numerically-annotated set of steps would be really helpful.
>> Actually, several annotations to catch things like leading
>> zeros, negative numbers etc. etc. would be even more so.
>
> These problems seem to echo the issue with two-complement leading
> zero bytes -- to make sure the two's-complement form always is
> positive. I'm curious: was your implementation using Java
> BigIntegers?)

In Java, yes we are doing BigIntegers. (You can download the code  
from http://netmesh.org/ -- look for InfoGrid LID Java)

> Perhaps the RFC 2437 (PKCS#1) I2OSP() function can shed some
> light and provide an alternate starting point to the
> openid btwoc() function?
>
> Thanks,
> Hans

Johannes Ernst
NetMesh Inc.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: lid.gif
Type: image/gif
Size: 973 bytes
Desc: not available
URL: <http://lists.openid.net/pipermail/openid-general/attachments/20060905/eb9f35ee/attachment-0002.gif>
-------------- next part --------------
  http://netmesh.info/jernst