diff options
| author |   beck <beck@openbsd.org> | 2014-07-08 16:05:52 +0000 |
|---|---|---|
| committer | beck <beck@openbsd.org> | 2014-07-08 16:05:52 +0000 |
| commit | 1f43eaeb4556e5eaaa564b9cdbe5bafa88dbd00b (patch) | |
| tree | 799f286ebeb3815a7bda1690183fc7438ba8ad1a /lib/libssl/src/ssl | |
| parent | Typo in previous assym.h dependency changes (diff) | |
| download | wireguard-openbsd-1f43eaeb4556e5eaaa564b9cdbe5bafa88dbd00b.tar.xz wireguard-openbsd-1f43eaeb4556e5eaaa564b9cdbe5bafa88dbd00b.zip | |
pedantic avoidance of division by zero, likely not actually
possible to hit for real.
ok miod@ jsing@
Diffstat (limited to 'lib/libssl/src/ssl')
| -rw-r--r-- | lib/libssl/src/ssl/t1_enc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/libssl/src/ssl/t1_enc.c b/lib/libssl/src/ssl/t1_enc.c index 373c2d0060f..46238dc6c3b 100644 --- a/lib/libssl/src/ssl/t1_enc.c +++ b/lib/libssl/src/ssl/t1_enc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: t1_enc.c,v 1.63 2014/06/21 17:02:25 jsing Exp $ */ +/* $OpenBSD: t1_enc.c,v 1.64 2014/07/08 16:05:52 beck Exp $ */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * @@ -251,6 +251,11 @@ tls1_PRF(long digest_mask, const void *seed1, int seed1_len, const void *seed2, if ((m << TLS1_PRF_DGST_SHIFT) & digest_mask) count++; } + if (count == 0) { + SSLerr(SSL_F_TLS1_PRF, + SSL_R_SSL_HANDSHAKE_FAILURE); + goto err; + } len = slen / count; if (count == 1) slen = 0; |