Remove seed passing over reexec.

This was added for the benefit of platforms using ssh-rand-helper to
prevent a delay on each connection as sshd reseeded itself.

ssh-random-helper is long gone, and since the re-exec happens before the
chroot the re-execed sshd can reseed itself normally. ok djm@

1 files changed, 0 insertions, 34 deletions

diff --git a/entropy.c b/entropy.c
index a4088e43..842c66fd 100644
--- a/entropy.c
+++ b/entropy.c
@@ -57,40 +57,6 @@
  * /dev/random), then collect RANDOM_SEED_SIZE bytes of randomness from
  * PRNGd.
  */
-#ifndef OPENSSL_PRNG_ONLY
-
-void
-rexec_send_rng_seed(struct sshbuf *m)
-{
-	u_char buf[RANDOM_SEED_SIZE];
-	size_t len = sizeof(buf);
-	int r;
-
-	if (RAND_bytes(buf, sizeof(buf)) <= 0) {
-		error("Couldn't obtain random bytes (error %ld)",
-		    ERR_get_error());
-		len = 0;
-	}
-	if ((r = sshbuf_put_string(m, buf, len)) != 0)
-		fatal("%s: buffer error: %s", __func__, ssh_err(r));
-	explicit_bzero(buf, sizeof(buf));
-}
-
-void
-rexec_recv_rng_seed(struct sshbuf *m)
-{
-	const u_char *buf = NULL;
-	size_t len = 0;
-	int r;
-
-	if ((r = sshbuf_get_string_direct(m, &buf, &len)) != 0)
-		fatal("%s: buffer error: %s", __func__, ssh_err(r));
-
-	debug3("rexec_recv_rng_seed: seeding rng with %lu bytes",
-	    (unsigned long)len);
-	RAND_add(buf, len, len);
-}
-#endif /* OPENSSL_PRNG_ONLY */
 
 void
 seed_rng(void)