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Make sure rdata differs for each program.

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This commit is contained in:
Kurt Zeilenga 1999-10-27 00:08:31 +00:00
parent 9e0958d5bc
commit 241799c9e3
1 changed files with 13 additions and 2 deletions
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15
libraries/liblutil/entropy.c
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@ -49,8 +49,12 @@ int lutil_entropy( char *buf, int nbytes )
static int counter = 0;
int n;
struct {
struct rdata_s {
int counter;
char *buf;
struct rdata_s *stack;
pid_t pid;
#ifdef HAVE_GETTIMEOFDAY
@ -61,18 +65,25 @@ int lutil_entropy( char *buf, int nbytes )
unsigned long junk;
} rdata;
/* make sure rdata differs for each process */
rdata.pid = getpid();
/* make sure rdata differs for each program */
rdata.buf = buf;
rdata.stack = &rdata;
for( n = 0; n < nbytes; n += 16 ) {
struct lutil_MD5Context ctx;
char digest[16];
/* hopefully has good resolution */
#ifdef HAVE_GETTIMEOFDAY
(void) gettimeofday( &rdata.tv, sizeof( rdata.tv ) );
#else
(void) time( &rdata.time );
#endif
/* make sure rdata differs */
rdata.counter = ++counter;
rdata.pid++;
rdata.junk++;