On Mon, 21 Nov 2022 16:19:00 GMT, Xue-Lei Andrew Fan <xue...@openjdk.org> wrote:

>> src/java.base/share/classes/sun/security/util/math/intpoly/IntegerPolynomial.java
>>  line 561:
>> 
>>> 559:             // Reduce if required.
>>> 560:             // if (numAdds >= maxAdds) {
>>> 561:             if (numAdds > 32 - bitsPerLimb) {
>> 
>> if we allow this number of additions, `setProduct(SmallValue)` might 
>> overflow in the future. Currently it's safe - we only create a limited set 
>> of SmallValues, and they are all small enough to avoid this risk.
>> `getSmallValue` allows numbers up to `bitsPerLimb` bits. I think we can 
>> adjust that.
>
> Sorry, I did not get the ideas.  Did you meant to adjust the implementation 
> of getSmallValue to allow 32 bits int value?

Apologies, I was looking at the wrong branch, didn't notice 
`setProduct(SmallValue)` also does a reduce if required.

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PR: https://git.openjdk.org/jdk/pull/10624

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