On Mon, 30 Nov 2020 21:31:18 GMT, Weijun Wang <wei...@openjdk.org> wrote:

>>> 
>>> 
>>> > Based on CurveDB line 141, it seems we uses the first one and discards 
>>> > the rest? Are you sure we keep the last one?
>>> > Don't have answers for your questions though.
>>> 
>>> Before this change both sect163k1 and sect163r2 have "BD" so both will be 
>>> added to lengthMap and the 2nd one wins out.
>> 
>> Hmm, ok, I re-read the code and it's true that both are added to the 
>> lengthMap. Actually, non-PD/non-BD entries are added to the length map too 
>> if no entries for such length in length map is present at time of the add() 
>> call, right?
>
>> > > Based on CurveDB line 141, it seems we uses the first one and discards 
>> > > the rest? Are you sure we keep the last one?
>> > > Don't have answers for your questions though.
>> > 
>> > 
>> > Before this change both sect163k1 and sect163r2 have "BD" so both will be 
>> > added to lengthMap and the 2nd one wins out.
>> 
>> Hmm, ok, I re-read the code and it's true that both are added to the 
>> lengthMap. Actually, non-PD/non-BD entries are added to the length map too 
>> if no entries for such length in length map is present at time of the add() 
>> call, right?
> 
> Yes, I think that's what "if there are multiple matches for the given size, 
> an arbitrary one is returns" in the comment of `lookup(int)` means. If there 
> is a PD/BD with the same length, the previously added will be substituted 
> anyway.

Alright, I have no more comments/questions. Thanks.

-------------

PR: https://git.openjdk.java.net/jdk/pull/1485

Reply via email to