annotate dbhelpers.c @ 1705:5b701bf529aa

Fix ChaCha20 on 32-bit platforms (#99) * Fix ChaCha20 on 32-bit platforms On 32-bit platforms with old compiler STORE64H() parameter is not auto-expanded to 64-bit value, causing wrong IV data. Spotted on BCM4706 MIPS32r2 with GCC 4.2.4: Exit before auth: Integrity error (bad packet size 2065808956) * Fix Chacha20-Poly1305 and AES-GCM debug messages Functions were renamed earlier and trace messages - not.
author Vladislav Grishenko <themiron@users.noreply.github.com>
date Fri, 29 May 2020 18:26:22 +0500
parents e75dab5bec71
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1283
3017bc7d6238 move m_burn and function attributes to dbhelpers
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1 #include "dbhelpers.h"
3017bc7d6238 move m_burn and function attributes to dbhelpers
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
2 #include "includes.h"
3017bc7d6238 move m_burn and function attributes to dbhelpers
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
3
3017bc7d6238 move m_burn and function attributes to dbhelpers
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
4 /* Erase data */
3017bc7d6238 move m_burn and function attributes to dbhelpers
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
5 void m_burn(void *data, unsigned int len) {
3017bc7d6238 move m_burn and function attributes to dbhelpers
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
6
3017bc7d6238 move m_burn and function attributes to dbhelpers
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
7 #if defined(HAVE_MEMSET_S)
3017bc7d6238 move m_burn and function attributes to dbhelpers
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
8 memset_s(data, len, 0x0, len);
3017bc7d6238 move m_burn and function attributes to dbhelpers
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
9 #elif defined(HAVE_EXPLICIT_BZERO)
3017bc7d6238 move m_burn and function attributes to dbhelpers
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
10 explicit_bzero(data, len);
3017bc7d6238 move m_burn and function attributes to dbhelpers
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
11 #else
1575
e75dab5bec71 some linting after fuzz merge (#60)
François Perrad <francois.perrad@gadz.org>
parents: 1568
diff changeset
12 /* This must be volatile to avoid compiler optimisation */
1374
4b1a807a3188 Just use memset, it should'be be optimised out in a separate file
Matt Johnston <matt@ucc.asn.au>
parents: 1283
diff changeset
13 volatile void *p = data;
1575
e75dab5bec71 some linting after fuzz merge (#60)
François Perrad <francois.perrad@gadz.org>
parents: 1568
diff changeset
14 memset((void*)p, 0x0, len);
1283
3017bc7d6238 move m_burn and function attributes to dbhelpers
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
15 #endif
3017bc7d6238 move m_burn and function attributes to dbhelpers
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
16 }
3017bc7d6238 move m_burn and function attributes to dbhelpers
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
17
3017bc7d6238 move m_burn and function attributes to dbhelpers
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
18