Mercurial > dropbear
view dbhelpers.c @ 1517:7c7c5326ad73
clean up some default options
- move hmac-sha2-512, hmac-md5, twofish_ctr to sysoptions.h, off by default
- try and improve text for KEX methods
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sun, 18 Feb 2018 22:27:51 +0800 |
parents | 3017bc7d6238 |
children | 4b1a807a3188 |
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#include "dbhelpers.h" #include "includes.h" /* Erase data */ void m_burn(void *data, unsigned int len) { #if defined(HAVE_MEMSET_S) memset_s(data, len, 0x0, len); #elif defined(HAVE_EXPLICIT_BZERO) explicit_bzero(data, len); #else /* Based on the method in David Wheeler's * "Secure Programming for Linux and Unix HOWTO". May not be safe * against link-time optimisation. */ volatile char *p = data; if (data == NULL) return; while (len--) { *p++ = 0x0; } #endif }