diff --git a/tg_owt-master/src/pc/external_hmac.cc b/tg_owt/src/pc/external_hmac.cc
index 99021f8..19b87cb 100644
--- a/tg_owt-master/src/pc/external_hmac.cc
+++ b/tg_owt/src/pc/external_hmac.cc
@@ -15,7 +15,7 @@
 
 #include "rtc_base/logging.h"
 #include "rtc_base/zero_memory.h"
-#include "third_party/libsrtp/include/srtp.h"
+#include "third_party/libsrtp/include/private_srtp.h"
 
 // Begin test case 0 */
 static const uint8_t kExternalHmacTestCase0Key[20] = {
diff --git a/tg_owt-master/src/pc/external_hmac.h b/tg_owt/src/pc/external_hmac.h
index 3319bea..3c1cffc 100644
--- a/tg_owt-master/src/pc/external_hmac.h
+++ b/tg_owt/src/pc/external_hmac.h
@@ -32,7 +32,7 @@
 
 #include "third_party/libsrtp/crypto/include/auth.h"
 #include "third_party/libsrtp/crypto/include/crypto_types.h"
-#include "third_party/libsrtp/include/srtp.h"
+#include "third_party/libsrtp/include/private_srtp.h"
 
 #define EXTERNAL_HMAC_SHA1 SRTP_HMAC_SHA1 + 1
 #define HMAC_KEY_LENGTH 20
diff --git a/tg_owt-master/src/pc/srtp_session.cc b/tg_owt/src/pc/srtp_session.cc
index 5ded455..90643f8 100644
--- a/tg_owt-master/src/pc/srtp_session.cc
+++ b/tg_owt/src/pc/srtp_session.cc
@@ -21,7 +21,7 @@
 #include "rtc_base/time_utils.h"
 #include "system_wrappers/include/field_trial.h"
 #include "system_wrappers/include/metrics.h"
-#include "third_party/libsrtp/include/srtp.h"
+#include "third_party/libsrtp/include/private_srtp.h"
 #include "third_party/libsrtp/include/srtp_priv.h"
 
 namespace cricket {
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/cipher/aes_gcm_ossl.c b/tg_owt/src/third_party/libsrtp/crypto/cipher/aes_gcm_ossl.c
index b3a449b..ab4c529 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/cipher/aes_gcm_ossl.c
+++ b/tg_owt/src/third_party/libsrtp/crypto/cipher/aes_gcm_ossl.c
@@ -50,7 +50,7 @@
 #include "aes_icm_ossl.h"
 #include "aes_gcm_ossl.h"
 #include "alloc.h"
-#include "err.h" /* for srtp_debug */
+#include "private_err.h" /* for srtp_debug */
 #include "crypto_types.h"
 #include "cipher_types.h"
 
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/cipher/aes_icm_ossl.c b/tg_owt/src/third_party/libsrtp/crypto/cipher/aes_icm_ossl.c
index fcd75e8..8ecdd9f 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/cipher/aes_icm_ossl.c
+++ b/tg_owt/src/third_party/libsrtp/crypto/cipher/aes_icm_ossl.c
@@ -53,7 +53,7 @@
 #include <openssl/evp.h>
 #include "aes_icm_ossl.h"
 #include "crypto_types.h"
-#include "err.h" /* for srtp_debug */
+#include "private_err.h" /* for srtp_debug */
 #include "alloc.h"
 #include "cipher_types.h"
 
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/cipher/cipher.c b/tg_owt/src/third_party/libsrtp/crypto/cipher/cipher.c
index 822cff0..2593183 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/cipher/cipher.c
+++ b/tg_owt/src/third_party/libsrtp/crypto/cipher/cipher.c
@@ -48,7 +48,7 @@
 
 #include "cipher.h"
 #include "crypto_types.h"
-#include "err.h"   /* for srtp_debug */
+#include "private_err.h"   /* for srtp_debug */
 #include "alloc.h" /* for crypto_alloc(), crypto_free()  */
 
 srtp_debug_module_t srtp_mod_cipher = {
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/cipher/null_cipher.c b/tg_owt/src/third_party/libsrtp/crypto/cipher/null_cipher.c
index f5e4469..1576150 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/cipher/null_cipher.c
+++ b/tg_owt/src/third_party/libsrtp/crypto/cipher/null_cipher.c
@@ -48,7 +48,7 @@
 
 #include "datatypes.h"
 #include "null_cipher.h"
-#include "err.h" /* for srtp_debug */
+#include "private_err.h" /* for srtp_debug */
 #include "alloc.h"
 #include "cipher_types.h"
 
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/hash/auth.c b/tg_owt/src/third_party/libsrtp/crypto/hash/auth.c
index 9ffbfb2..0ef283d 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/hash/auth.c
+++ b/tg_owt/src/third_party/libsrtp/crypto/hash/auth.c
@@ -46,7 +46,7 @@
 #include "config.h"
 
 #include "auth.h"
-#include "err.h"       /* for srtp_debug */
+#include "private_err.h"       /* for srtp_debug */
 #include "datatypes.h" /* for octet_string */
 
 /* the debug module for authentiation */
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/hash/hmac_ossl.c b/tg_owt/src/third_party/libsrtp/crypto/hash/hmac_ossl.c
index 36cfb71..8cb52b9 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/hash/hmac_ossl.c
+++ b/tg_owt/src/third_party/libsrtp/crypto/hash/hmac_ossl.c
@@ -46,7 +46,7 @@
 
 #include "auth.h"
 #include "alloc.h"
-#include "err.h" /* for srtp_debug */
+#include "private_err.h" /* for srtp_debug */
 #include <openssl/evp.h>
 #include <openssl/hmac.h>
 
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/hash/null_auth.c b/tg_owt/src/third_party/libsrtp/crypto/hash/null_auth.c
index 01d7722..219d47d 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/hash/null_auth.c
+++ b/tg_owt/src/third_party/libsrtp/crypto/hash/null_auth.c
@@ -47,7 +47,7 @@
 #include "config.h"
 
 #include "null_auth.h"
-#include "err.h" /* for srtp_debug */
+#include "private_err.h" /* for srtp_debug */
 #include "alloc.h"
 #include "cipher_types.h"
 
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/include/aes_gcm_ossl.h b/tg_owt/src/third_party/libsrtp/crypto/include/aes_gcm_ossl.h
index d5b83ee..c1862e1 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/include/aes_gcm_ossl.h
+++ b/tg_owt/src/third_party/libsrtp/crypto/include/aes_gcm_ossl.h
@@ -47,7 +47,7 @@
 #define AES_GCM_OSSL_H
 
 #include "cipher.h"
-#include "srtp.h"
+#include "private_srtp.h"
 #include "datatypes.h"
 #include <openssl/evp.h>
 #include <openssl/aes.h>
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/include/auth.h b/tg_owt/src/third_party/libsrtp/crypto/include/auth.h
index 774ea16..11f3b93 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/include/auth.h
+++ b/tg_owt/src/third_party/libsrtp/crypto/include/auth.h
@@ -46,7 +46,7 @@
 #ifndef SRTP_AUTH_H
 #define SRTP_AUTH_H
 
-#include "srtp.h"
+#include "private_srtp.h"
 #include "crypto_types.h" /* for values of auth_type_id_t */
 
 #ifdef __cplusplus
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/include/cipher.h b/tg_owt/src/third_party/libsrtp/crypto/include/cipher.h
index 4f14e35..2221cda 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/include/cipher.h
+++ b/tg_owt/src/third_party/libsrtp/crypto/include/cipher.h
@@ -45,7 +45,7 @@
 #ifndef SRTP_CIPHER_H
 #define SRTP_CIPHER_H
 
-#include "srtp.h"
+#include "private_srtp.h"
 #include "crypto_types.h" /* for values of cipher_type_id_t */
 
 #ifdef __cplusplus
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/include/cipher_types.h b/tg_owt/src/third_party/libsrtp/crypto/include/cipher_types.h
index a543b54..88228df 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/include/cipher_types.h
+++ b/tg_owt/src/third_party/libsrtp/crypto/include/cipher_types.h
@@ -39,6 +39,7 @@
 
 #include "cipher.h"
 #include "auth.h"
+#include "private_err.h"
 
 /*
  * cipher types that can be included in the kernel
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/include/crypto_kernel.h b/tg_owt/src/third_party/libsrtp/crypto/include/crypto_kernel.h
index 1f8dfa7..0005b7d 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/include/crypto_kernel.h
+++ b/tg_owt/src/third_party/libsrtp/crypto/include/crypto_kernel.h
@@ -47,7 +47,7 @@
 
 #include "cipher.h"
 #include "auth.h"
-#include "err.h"
+#include "private_err.h"
 #include "crypto_types.h"
 #include "key.h"
 
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/include/key.h b/tg_owt/src/third_party/libsrtp/crypto/include/key.h
index 3498114..fe0c220 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/include/key.h
+++ b/tg_owt/src/third_party/libsrtp/crypto/include/key.h
@@ -46,7 +46,7 @@
 #define KEY_H
 
 #include "rdbx.h" /* for srtp_xtd_seq_num_t */
-#include "err.h"
+#include "private_err.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/include/aes.h b/tg_owt/src/third_party/libsrtp/crypto/include/private_aes.h
similarity index 98%
rename from tg_owt-master/src/third_party/libsrtp/crypto/include/aes.h
rename to tg_owt/src/third_party/libsrtp/crypto/include/private_aes.h
index 779c3ac..e257fb2 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/include/aes.h
+++ b/tg_owt/src/third_party/libsrtp/crypto/include/private_aes.h
@@ -47,7 +47,7 @@
 #define AES_H
 
 #include "datatypes.h"
-#include "err.h"
+#include "private_err.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/include/err.h b/tg_owt/src/third_party/libsrtp/crypto/include/private_err.h
similarity index 99%
rename from tg_owt-master/src/third_party/libsrtp/crypto/include/err.h
rename to tg_owt/src/third_party/libsrtp/crypto/include/private_err.h
index 66a1023..d82191a 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/include/err.h
+++ b/tg_owt/src/third_party/libsrtp/crypto/include/private_err.h
@@ -47,7 +47,7 @@
 
 #include <stdio.h>
 #include <stdarg.h>
-#include "srtp.h"
+#include "private_srtp.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/include/rdb.h b/tg_owt/src/third_party/libsrtp/crypto/include/rdb.h
index 98314c1..97387c0 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/include/rdb.h
+++ b/tg_owt/src/third_party/libsrtp/crypto/include/rdb.h
@@ -48,7 +48,7 @@
 
 #include "integers.h"  /* for uint32_t     */
 #include "datatypes.h" /* for v128_t       */
-#include "err.h"       /* for srtp_err_status_t */
+#include "private_err.h"       /* for srtp_err_status_t */
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/include/rdbx.h b/tg_owt/src/third_party/libsrtp/crypto/include/rdbx.h
index 2194178..8740996 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/include/rdbx.h
+++ b/tg_owt/src/third_party/libsrtp/crypto/include/rdbx.h
@@ -48,7 +48,7 @@
 #define RDBX_H
 
 #include "datatypes.h"
-#include "err.h"
+#include "private_err.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/include/stat.h b/tg_owt/src/third_party/libsrtp/crypto/include/stat.h
index 1894e04..8001645 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/include/stat.h
+++ b/tg_owt/src/third_party/libsrtp/crypto/include/stat.h
@@ -47,7 +47,7 @@
 #define STAT_H
 
 #include "datatypes.h" /* for uint8_t                       */
-#include "err.h"       /* for srtp_err_status_t             */
+#include "private_err.h"       /* for srtp_err_status_t             */
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/tg_owt-master/src/third_party/libsrtp/crypto/kernel/err.c b/tg_owt/src/third_party/libsrtp/crypto/kernel/err.c
index e9bb64b..ff4123f 100644
--- a/tg_owt-master/src/third_party/libsrtp/crypto/kernel/err.c
+++ b/tg_owt/src/third_party/libsrtp/crypto/kernel/err.c
@@ -44,7 +44,7 @@
 
 #include "config.h"
 
-#include "err.h"
+#include "private_err.h"
 #include "datatypes.h"
 #include <string.h>
 
diff --git a/tg_owt-master/src/third_party/libsrtp/include/ekt.h b/tg_owt/src/third_party/libsrtp/include/ekt.h
index a289a53..d87d60d 100644
--- a/tg_owt-master/src/third_party/libsrtp/include/ekt.h
+++ b/tg_owt/src/third_party/libsrtp/include/ekt.h
@@ -62,6 +62,7 @@
 
 // left in commented out as reminder to not include private headers
 //#include "srtp_priv.h"
+#include "private_aes.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/tg_owt-master/src/third_party/libsrtp/include/srtp.h b/tg_owt/src/third_party/libsrtp/include/private_srtp.h
similarity index 100%
rename from tg_owt-master/src/third_party/libsrtp/include/srtp.h
rename to tg_owt/src/third_party/libsrtp/include/private_srtp.h
diff --git a/tg_owt-master/src/third_party/libsrtp/include/srtp_priv.h b/tg_owt/src/third_party/libsrtp/include/srtp_priv.h
index 1e86df7..6fd4997 100644
--- a/tg_owt-master/src/third_party/libsrtp/include/srtp_priv.h
+++ b/tg_owt/src/third_party/libsrtp/include/srtp_priv.h
@@ -48,13 +48,13 @@
 // Leave this as the top level import. Ensures the existence of defines
 #include "config.h"
 
-#include "srtp.h"
+#include "private_srtp.h"
 #include "rdbx.h"
 #include "rdb.h"
 #include "integers.h"
 #include "cipher.h"
 #include "auth.h"
-#include "aes.h"
+#include "private_aes.h"
 #include "key.h"
 #include "crypto_kernel.h"
 
diff --git a/tg_owt-master/src/third_party/libsrtp/srtp/ekt.c b/tg_owt/src/third_party/libsrtp/srtp/ekt.c
index b54ecf6..96b0a1d 100644
--- a/tg_owt-master/src/third_party/libsrtp/srtp/ekt.c
+++ b/tg_owt/src/third_party/libsrtp/srtp/ekt.c
@@ -43,7 +43,7 @@
  */
 
 #include "srtp_priv.h"
-#include "err.h"
+#include "private_err.h"
 #include "ekt.h"
 
 extern srtp_debug_module_t mod_srtp;
diff --git a/tg_owt-master/src/third_party/libsrtp/srtp/srtp.c b/tg_owt/src/third_party/libsrtp/srtp/srtp.c
index 4462501..6de2495 100644
--- a/tg_owt-master/src/third_party/libsrtp/srtp/srtp.c
+++ b/tg_owt/src/third_party/libsrtp/srtp/srtp.c
@@ -47,10 +47,11 @@
 
 #include "srtp_priv.h"
 #include "crypto_types.h"
-#include "err.h"
+#include "private_err.h"
 #include "ekt.h"   /* for SRTP Encrypted Key Transport */
 #include "alloc.h" /* for srtp_crypto_alloc() */
 
+
 #ifdef OPENSSL
 #include "aes_gcm_ossl.h" /* for AES GCM mode */
 #ifdef OPENSSL_KDF