Mercurial > dropbear
view dbhelpers.c @ 1916:3f4cdf839a1a
Make SHA1 optional, implement SHA256 fingerprints
SHA256 is always compiled and only enable SHA1 when needed. Fingerprints
are always SHA256: base64 format, md5 and sha1 are removed. dbrandom now
uses sha256 its hash function.
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Wed, 30 Mar 2022 11:44:04 +0800 |
parents | e75dab5bec71 |
children |
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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 /* This must be volatile to avoid compiler optimisation */ volatile void *p = data; memset((void*)p, 0x0, len); #endif }