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-rw-r--r--ssl/s3_both.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/ssl/s3_both.c b/ssl/s3_both.c
index ae0ee27c41aa..53b9390fdd3a 100644
--- a/ssl/s3_both.c
+++ b/ssl/s3_both.c
@@ -161,6 +161,8 @@ int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen)
i=s->method->ssl3_enc->final_finish_mac(s,
sender,slen,s->s3->tmp.finish_md);
+ if (i == 0)
+ return 0;
s->s3->tmp.finish_md_len = i;
memcpy(p, s->s3->tmp.finish_md, i);
p+=i;