X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/93b581bd031b2270deb7f45440e61a1044fe94da..c85623f918b8a6c639afc15604414f9b113bb20d:/sshrand.c

diff --git a/sshrand.c b/sshrand.c
index 7c401af4..e2386669 100644
--- a/sshrand.c
+++ b/sshrand.c
@@ -2,6 +2,7 @@
  * cryptographic random number generator for PuTTY's ssh client
  */
 
+#include "putty.h"
 #include "ssh.h"
 
 void noise_get_heavy(void (*func) (void *, int));
@@ -41,7 +42,7 @@ struct RandPool {
 static struct RandPool pool;
 int random_active = 0;
 
-void random_stir(void)
+static void random_stir(void)
 {
     word32 block[HASHINPUT / sizeof(word32)];
     word32 digest[HASHSIZE / sizeof(word32)];
@@ -201,7 +202,10 @@ int random_byte(void)
 
 void random_get_savedata(void **data, int *len)
 {
+    void *buf = smalloc(POOLSIZE / 2);
     random_stir();
-    *data = pool.pool + pool.poolpos;
+    memcpy(buf, pool.pool + pool.poolpos, POOLSIZE / 2);
     *len = POOLSIZE / 2;
+    *data = buf;
+    random_stir();
 }