minor change for the prng

[openssl.git] / crypto / rand / md_rand.c

diff --git a/crypto/rand/md_rand.c b/crypto/rand/md_rand.c
index d727fff9243d6efc57b74994ab3fc5b458fe1690..5eef93d4bdbcfcd127a939523fa48417b79b4f58 100644 (file)
--- a/crypto/rand/md_rand.c
+++ b/crypto/rand/md_rand.c
@@ -360,15 +360,13 @@ static int ssleay_rand_bytes(unsigned char *buf, int num)
                 */
                if ((fh = fopen(DEVRANDOM, "r")) != NULL)
                        {
-                       unsigned char tmpbuf[32];
+                       unsigned char tmpbuf[ENTROPY_NEEDED];
+                       int i;
 
-                       fread((unsigned char *)tmpbuf,1,32,fh);
-                       /* we don't care how many bytes we read,
-                        * we will just copy the 'stack' if there is
-                        * nothing else :-) */
+                       i=fread((unsigned char *)tmpbuf,1,ENTROPY_NEEDED,fh);
                        fclose(fh);
-                       RAND_seed(tmpbuf,32);
-                       memset(tmpbuf,0,32);
+                       RAND_seed(tmpbuf,i);
+                       memset(tmpbuf,0,i);
                        }
 #endif
 #ifdef PURIFY