Commit 26b05245 authored Dec 31, 2017 by Andy Polyakov

ec/curve25519.c: avoid 2^51 radix on SPARC.



SPARC ISA doesn't have provisions to back up 128-bit multiplications
and additions. And so multiplications are done with library calls
and carries with comparisons and conditional moves. As result base
2^51 code is >40% slower...

Reviewed-by: Tim Hudson <tjh@openssl.org>

parent 10bc3409

crypto/ec/curve25519.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -12,6 +12,7 @@
		#include <openssl/sha.h>

		#if !defined(PEDANTIC) && \
		!defined(__sparc__) && \
		(defined(__SIZEOF_INT128__) && __SIZEOF_INT128__==16)
		/*
		* Base 2^51 implementation.