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Rework counter code in fallback.

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This commit is contained in:
Kurt Zeilenga 1999-10-26 23:54:39 +00:00
parent 58e10c7417
commit 9e0958d5bc
1 changed files with 5 additions and 7 deletions
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12
libraries/liblutil/entropy.c
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@ -44,12 +44,13 @@ int lutil_entropy( char *buf, int nbytes )
* but implementation 100% OpenLDAP. So don't blame Phil. */
/* worse case is this is a MD5 hash of a counter, if
* MD5 is a strong cryptographic hash, this should
* be fairly resisant to attack
* be fairly resistant to attack
*/
static int initialized = 0;
static int counter = 0;
int n;
struct {
int counter;
pid_t pid;
#ifdef HAVE_GETTIMEOFDAY
@ -60,11 +61,7 @@ int lutil_entropy( char *buf, int nbytes )
unsigned long junk;
} rdata;
if( !initialized ) {
initialized++;
rdata.pid = getpid();
}
rdata.pid = getpid();
for( n = 0; n < nbytes; n += 16 ) {
struct lutil_MD5Context ctx;
@ -76,6 +73,7 @@ int lutil_entropy( char *buf, int nbytes )
(void) time( &rdata.time );
#endif
rdata.counter = ++counter;
rdata.pid++;
rdata.junk++;