[asterisk-commits] res srtp: Instead of libSRTP use OpenSSL as random source. (asterisk[13])

[SVN commits to the Asterisk project]

Anonymous Coward #1000019 has submitted this change and it was merged.

Change subject: res_srtp: Instead of libSRTP use OpenSSL as random source.
......................................................................


res_srtp: Instead of libSRTP use OpenSSL as random source.

Since libSRTP 1.5, its Random Number Generator (RNG) is not maintained anymore.
Therefore, the symbol RAND_bytes is used instead of crypto_get_random.

ASTERISK-24436 #close

Change-Id: Iea0bae4d4e3c9aa0926ea442b6484b5159789d96
---
M res/res_srtp.c
1 file changed, 8 insertions(+), 0 deletions(-)

Approvals:
  George Joseph: Looks good to me, but someone else must approve
  Anonymous Coward #1000019: Verified
  Joshua Colp: Looks good to me, approved



diff --git a/res/res_srtp.c b/res/res_srtp.c
index 8d8daf0..97773c1 100644
--- a/res/res_srtp.c
+++ b/res/res_srtp.c
@@ -40,7 +40,11 @@
 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 
 #include <srtp/srtp.h>
+#ifdef HAVE_OPENSSL
+#include <openssl/rand.h>
+#else
 #include <srtp/crypto_kernel.h>
+#endif
 
 #include "asterisk/lock.h"
 #include "asterisk/sched.h"
@@ -305,7 +309,11 @@
 
 static int ast_srtp_get_random(unsigned char *key, size_t len)
 {
+#ifdef HAVE_OPENSSL
+	return RAND_bytes(key, len) > 0 ? 0: -1;
+#else
 	return crypto_get_random(key, len) != err_status_ok ? -1: 0;
+#endif
 }
 
 static void ast_srtp_set_cb(struct ast_srtp *srtp, const struct ast_srtp_cb *cb, void *data)

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Gerrit-MessageType: merged
Gerrit-Change-Id: Iea0bae4d4e3c9aa0926ea442b6484b5159789d96
Gerrit-PatchSet: 1
Gerrit-Project: asterisk
Gerrit-Branch: 13
Gerrit-Owner: Alexander Traud <pabstraud at compuserve.com>
Gerrit-Reviewer: Anonymous Coward #1000019
Gerrit-Reviewer: George Joseph <gjoseph at digium.com>
Gerrit-Reviewer: Joshua Colp <jcolp at digium.com>