From 840f85a4ae7fc3a3cf71d93ab17fbab37c2cc3fc Mon Sep 17 00:00:00 2001
From: jsing <>
Date: Sat, 21 Jun 2014 17:02:25 +0000
Subject: Pull the code that builds a DTLS sequence number out into its own
 function to avoid duplication. Also use fewer magic numbers.

ok miod@
---
 src/lib/libssl/d1_lib.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'src/lib/libssl/d1_lib.c')

diff --git a/src/lib/libssl/d1_lib.c b/src/lib/libssl/d1_lib.c
index 13c93a77cf..b90cc8eed3 100644
--- a/src/lib/libssl/d1_lib.c
+++ b/src/lib/libssl/d1_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: d1_lib.c,v 1.20 2014/06/13 04:29:13 miod Exp $ */
+/* $OpenBSD: d1_lib.c,v 1.21 2014/06/21 17:02:25 jsing Exp $ */
 /* 
  * DTLS implementation written by Nagendra Modadugu
  * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.  
@@ -460,3 +460,16 @@ dtls1_listen(SSL *s, struct sockaddr *client)
 	(void)BIO_dgram_get_peer(SSL_get_rbio(s), client);
 	return 1;
 }
+
+void
+dtls1_build_sequence_number(unsigned char *dst, unsigned char *seq,
+    unsigned short epoch)
+{
+	unsigned char dtlsseq[SSL3_SEQUENCE_SIZE];
+	unsigned char *p;
+
+	p = dtlsseq;
+	s2n(epoch, p);
+	memcpy(p, &seq[2], SSL3_SEQUENCE_SIZE - 2);
+	memcpy(dst, dtlsseq, SSL3_SEQUENCE_SIZE);
+}
-- 
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