Re: [P1363:] Possible error in factors in class polynomial (Annex A of P1363-2000)
Great. I'll put this into the todo list for the revision.
William
> -----Original Message-----
> From: Martin Thiim [mailto:martin@THIIM.NET]
> Sent: Friday, May 23, 2008 8:25 AM
> To: STDS-P1363-DISCUSS@LISTSERV.IEEE.ORG
> Subject: Re: [P1363:] Possible error in factors in class
> polynomial (Annex A of P1363-2000)
>
> Hello all
>
> With this change (lambda^bl instead of lambda^-bl) I get the
> same results as in the annex (to the 5th decimal but that's
> due to numerical issues) and it all multiplies out to integer
> coefficients :) Thanks for your help all and your good
> memory. The version of the annex I used (with the error) is
> D13 Nov 1999.
>
> Best regards,
>
> Martin Thiim
>
> On 5/23/08, mm <m2@ellipsa.net> wrote:
>
> Hello,
>
> Michael Scott a écrit :
>
>
> I know this is possibly not much help, but I
> have a vague recollection of
> spotting and fixing an error that I found here,
> when I was implementing the
> CM method about 10 years ago. From memory I
> informed the list, but also from
> memory it wasn't fixed in the Annex.
>
>
>
> Was it this one: instead of "lambda^(-BL)", one should use
> "lambda^(BL)"?
>
> BTW, this error is in the P1363 Annex A but not in the
> following doc
>
> Working Draft AMERICAN NATIONAL STANDARD X9.63-199x
> Public Key Cryptography For The Financial Services Industry:
> Key Agreement and Key Transport Using Elliptic Curve
> Cryptography
> January 8, 1999
>
> For the OP.
> Sorry, I did not remember that I corrected something in
> my code. And,
> btw, I still do not remember. I suppose that I read the
> post of Mike at
> the time he sent it and that I corrected the printed
> doc I was using
> *before* writing the code.
>
> Best,
> Marcel Martin
> ----
> http://www.ellipsa.net/
>
>
>
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