This error showed up
/usr/local/bin/clang38 -I.. -I../.. -I../modes -I../asn1 -I../evp
-I../../include -fPIC -DOPENSSL_PIC -DZLIB_SHARED -DZLIB -DOPENSSL_THREADS
-pthread -D_THREAD_SAFE -D_REENTRANT -DDSO_DLFCN -DHAVE_DLFCN_H -DL_ENDIAN -O3
-Wall -DOPENSSL_EXPERIMENTAL_JPAKE -DOPENSSL_EXPERIME
>> No, it subtraction subroutine uses *borrow* to determine if modulus is
>> to be added. I.e. (a >= b) ? (a - b) : (P - (b - a)). If both a and b
>> are less than P, then result is less than P.
>
> Consider the case where a > P and a >= b and b is very small (e.g. 1).
> For example, a == P + 2 an
Andy Polyakov wrote:
> No, it subtraction subroutine uses *borrow* to determine if modulus is
> to be added. I.e. (a >= b) ? (a - b) : (P - (b - a)). If both a and b
> are less than P, then result is less than P.
Consider the case where a > P and a >= b and b is very small (e.g. 1).
For example,
>>> Note in particular that, IIUC, ecp_nistz256_neg will never get an
>>> unreduced input when applied to the the based point multiples, because
>>> those are already fully reduced. But, when it is used in
>>> ecp_nistz256_windowed_mul, it isn't clear whether or how the input Y
>>> coordinate is fu
> C-callables are wrappers around inlined subroutines. The only thing they
> do is load input into designated registers and call inlines, those used
> in point functions.
It's true for modules other than x86_64, but not x86_64 one. Sorry about
confusion.
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Andy Polyakov wrote:
>> Note in particular that, IIUC, ecp_nistz256_neg will never get an
>> unreduced input when applied to the the based point multiples, because
>> those are already fully reduced. But, when it is used in
>> ecp_nistz256_windowed_mul, it isn't clear whether or how the input Y
>>
> Note in particular that, IIUC, ecp_nistz256_neg will never get an
> unreduced input when applied to the the based point multiples, because
> those are already fully reduced. But, when it is used in
> ecp_nistz256_windowed_mul, it isn't clear whether or how the input Y
> coordinate is fully reduce
>> Originally new-line was suppressed, because double new-line was
>> observed under wine. But it appears rather to be a wine bug,
>> because on real Windows new-line is much needed.
>>
>> Reviewed-by: Richard Levitte
>
> Hm, this commit comment needs an explicit reference to the mentioned
> bug
On Mon, 2016-08-01 at 10:48 +0200, Andy Polyakov wrote:
> Originally new-line was suppressed, because double new-line was
> observed under wine. But it appears rather to be a wine bug,
> because on real Windows new-line is much needed.
>
> Reviewed-by: Richard Levitte
Hm, this commit comment nee
> the issue appears to be not in the compiler, but the newer Soalris linker (ld)
> I switched back to using 12.4 compiler, issue went away BUT now the issue
> surfaces
> if building OpenSSL using GCC. Some examples during the test suite
What I was going to comment before I've read this message wa
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