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Make fips_gettime work on Win32 (lets hope the Win32 function we use

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is OK with NIST.  Otherwise, we have a problem).

Avoid depending on 32-bit longs.

Provided by Dr Stephen Henson <shenson@drh-consultancy.co.uk>
This commit is contained in:
Richard Levitte 2004-04-15 16:28:05 +00:00
parent 1e4ae04e79
commit 0ae9a77679
2 changed files with 33 additions and 8 deletions
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2
fips/rand/fingerprint.sha1
View file

@ -1,2 +1,2 @@
HMAC-SHA1(fips_rand.c)= f65f82a78988b284668d51497f06a0fd029b17f8
HMAC-SHA1(fips_rand.c)= 26921aa3f66397c57791f7c015c053ce84532e54
HMAC-SHA1(fips_rand.h)= 72cff1a7ca7f33fe9df6b9da30e6420874eeb623

39
fips/rand/fips_rand.c
View file

@ -57,12 +57,16 @@
#include <openssl/err.h>
#include <openssl/fips_rand.h>
#include "e_os.h"
#ifndef OPENSSL_SYS_WIN32
#include <sys/time.h>
#endif
#include <assert.h>
#ifdef OPENSSL_UNISTD
# include OPENSSL_UNISTD
#else
# include <unistd.h>
#ifndef OPENSSL_SYS_WIN32
# ifdef OPENSSL_UNISTD
# include OPENSSL_UNISTD
# else
# include <unistd.h>
# endif
#endif
#include <string.h>
@ -117,7 +121,11 @@ int FIPS_rand_seeded()
static void fips_gettime(unsigned char buf[8])
{
#ifdef OPENSSL_SYS_WIN32
FILETIME ft;
#else
struct timeval tv;
#endif
if(test_mode)
{
@ -125,10 +133,27 @@ static void fips_gettime(unsigned char buf[8])
memcpy(buf,test_faketime,sizeof test_faketime);
return;
}
#ifdef OPENSSL_SYS_WIN32
GetSystemTimeAsFileTime(&ft);
buf[0] = (unsigned char) (ft.dwHighDateTime & 0xff);
buf[1] = (unsigned char) ((ft.dwHighDateTime >> 8) & 0xff);
buf[2] = (unsigned char) ((ft.dwHighDateTime >> 16) & 0xff);
buf[3] = (unsigned char) ((ft.dwHighDateTime >> 24) & 0xff);
buf[4] = (unsigned char) (ft.dwLowDateTime & 0xff);
buf[5] = (unsigned char) ((ft.dwLowDateTime >> 8) & 0xff);
buf[6] = (unsigned char) ((ft.dwLowDateTime >> 16) & 0xff);
buf[7] = (unsigned char) ((ft.dwLowDateTime >> 24) & 0xff);
#else
gettimeofday(&tv,NULL);
assert(sizeof(long) == 4);
memcpy (&buf[0],&tv.tv_sec,4);
memcpy (&buf[4],&tv.tv_usec,4);
buf[0] = (unsigned char) (tv.tv_sec & 0xff);
buf[1] = (unsigned char) ((tv.tv_sec >> 8) & 0xff);
buf[2] = (unsigned char) ((tv.tv_sec >> 16) & 0xff);
buf[3] = (unsigned char) ((tv.tv_sec >> 24) & 0xff);
buf[4] = (unsigned char) (tv.tv_usec & 0xff);
buf[5] = (unsigned char) ((tv.tv_usec >> 8) & 0xff);
buf[6] = (unsigned char) ((tv.tv_usec >> 16) & 0xff);
buf[7] = (unsigned char) ((tv.tv_usec >> 24) & 0xff);
#endif
#if 0 /* This eminently sensible strategy is not acceptable to NIST. Sigh. */
#ifndef GETPID_IS_MEANINGLESS