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tests: Add {UN,}MARK_SECRET_DATA macros

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This commit is contained in:
Saleem Rashid 2017-06-03 14:13:29 +01:00 committed by Pavol Rusnak
parent f029bd876e
commit 7f07896c9b
1 changed files with 13 additions and 0 deletions
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13
tests.c
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@ -30,6 +30,9 @@
#include <check.h>
#include "check_mem.h"
#include <valgrind/valgrind.h>
#include <valgrind/memcheck.h>
#include "options.h"
#include "aes.h"
@ -51,6 +54,16 @@
#include "script.h"
#include "rfc6979.h"
/*
* This is a clever trick to make Valgrind's Memcheck verify code
* is constant-time with respect to secret data.
*/
/* Call after secret data is written, before first use */
#define MARK_SECRET_DATA(addr, len) VALGRIND_MAKE_MEM_UNDEFINED(addr, len)
/* Call before secret data is freed */
#define UNMARK_SECRET_DATA(addr, len) VALGRIND_MAKE_MEM_DEFINED (addr, len)
#define FROMHEX_MAXLEN 256
#define VERSION_PUBLIC 0x0488b21e