Mercurial > dropbear
diff svr-main.c @ 687:167fdc091c05
Improve RNG seeding.
Try to read from /dev/urandom multiple times, take input from extra sources,
and use /dev/random when generating private keys
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Fri, 29 Jun 2012 23:19:43 +0800 |
| parents | d4d0279710b9 |
| children | 0fd32a552ea5 |
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--- a/svr-main.c Thu May 17 00:26:12 2012 +0800 +++ b/svr-main.c Fri Jun 29 23:19:43 2012 +0800 @@ -254,6 +254,8 @@ goto out; } + seedrandom(); + if (pipe(childpipe) < 0) { TRACE(("error creating child pipe")) goto out; @@ -267,8 +269,11 @@ if (fork_ret < 0) { dropbear_log(LOG_WARNING, "Error forking: %s", strerror(errno)); goto out; + } - } else if (fork_ret > 0) { + addrandom(&fork_ret, sizeof(fork_ret)); + + if (fork_ret > 0) { /* parent */ childpipes[conn_idx] = childpipe[0];