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view libtommath/tommath_cutoffs.h @ 1861:2b3a8026a6ce

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Add re-exec for server This allows ASLR to re-randomize the address space for every connection, preventing some vulnerabilities from being exploitable by repeated probing. Overhead (memory and time) is yet to be confirmed. At present this is only enabled on Linux. Other BSD platforms with fexecve() would probably also work though have not been tested.
author Matt Johnston <matt@ucc.asn.au>
date Sun, 30 Jan 2022 10:14:56 +0800
parents 1051e4eea25a
children
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/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
/*
   Current values evaluated on an AMD A8-6600K (64-bit).
   Type "make tune" to optimize them for your machine but
   be aware that it may take a long time. It took 2:30 minutes
   on the aforementioned machine for example.
 */

#define MP_DEFAULT_KARATSUBA_MUL_CUTOFF 80
#define MP_DEFAULT_KARATSUBA_SQR_CUTOFF 120
#define MP_DEFAULT_TOOM_MUL_CUTOFF      350
#define MP_DEFAULT_TOOM_SQR_CUTOFF      400