diff options
| author | Bob Beck <beck@cvs.openbsd.org> | 2014-07-08 16:05:53 +0000 |
|---|---|---|
| committer | Bob Beck <beck@cvs.openbsd.org> | 2014-07-08 16:05:53 +0000 |
| commit | 3a3f5ed52a7da555755fc185ef7e7546ba0785fa (patch) | |
| tree | f8c3a5ec2826b66917b0efc6357a68b5abd44c8b /lib/libssl/t1_enc.c | |
| parent | 9d028822b91f360c3af9645da41adb8b974c61fc (diff) | |
pedantic avoidance of division by zero, likely not actually
possible to hit for real.
ok miod@ jsing@
Diffstat (limited to 'lib/libssl/t1_enc.c')
| -rw-r--r-- | lib/libssl/t1_enc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/libssl/t1_enc.c b/lib/libssl/t1_enc.c index 373c2d0060f..46238dc6c3b 100644 --- a/lib/libssl/t1_enc.c +++ b/lib/libssl/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; |