On Wed, 12 Oct 2022 12:43:09 GMT, Daniel Jeliński wrote:
>> This patch rewrites some BigInteger and curve point operations used in EC
>> calculations:
>> - coefficient * 2^power is equivalent to coefficient << power
>> - number mod 2^n is equivalent to number & (2^n-1)
>> - pair of IntegerModulo
On Wed, 12 Oct 2022 12:31:20 GMT, Daniel Jeliński wrote:
>> src/java.base/share/classes/sun/security/util/math/intpoly/IntegerPolynomial.java
>> line 332:
>>
>>> 330:
>>> 331: protected void setLimbsValuePositive(BigInteger v, long[] limbs) {
>>> 332: assert bitsPerLimb < 32;
>>
>
> This patch rewrites some BigInteger and curve point operations used in EC
> calculations:
> - coefficient * 2^power is equivalent to coefficient << power
> - number mod 2^n is equivalent to number & (2^n-1)
> - pair of IntegerModuloP operations:
> t2 = t1+t1
> t1 = t1+t2
> is equivalent to t1=t1
On Tue, 11 Oct 2022 17:30:02 GMT, Xue-Lei Andrew Fan wrote:
>> This patch rewrites some BigInteger and curve point operations used in EC
>> calculations:
>> - coefficient * 2^power is equivalent to coefficient << power
>> - number mod 2^n is equivalent to number & (2^n-1)
>> - pair of IntegerMod
On Fri, 7 Oct 2022 21:11:39 GMT, Daniel Jeliński wrote:
> This patch rewrites some BigInteger and curve point operations used in EC
> calculations:
> - coefficient * 2^power is equivalent to coefficient << power
> - number mod 2^n is equivalent to number & (2^n-1)
> - pair of IntegerModuloP oper
On Fri, 7 Oct 2022 21:11:39 GMT, Daniel Jeliński wrote:
> This patch rewrites some BigInteger and curve point operations used in EC
> calculations:
> - coefficient * 2^power is equivalent to coefficient << power
> - number mod 2^n is equivalent to number & (2^n-1)
> - pair of IntegerModuloP oper
This patch rewrites some BigInteger and curve point operations used in EC
calculations:
- coefficient * 2^power is equivalent to coefficient << power
- number mod 2^n is equivalent to number & (2^n-1)
- pair of IntegerModuloP operations:
t2 = t1+t1
t1 = t1+t2
is equivalent to t1=t1*3, which is now
