diff --git a/CMakeLists.txt b/CMakeLists.txt
index 696262f65..aa896e33a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.21)
 
-project(libsrtp2 VERSION 3.0.0 LANGUAGES C)
+project(libsrtp3 VERSION 3.0.0 LANGUAGES C)
 
 set(CMAKE_C_STANDARD 99)
 set(CMAKE_C_STANDARD_REQUIRED ON)
@@ -269,7 +269,7 @@ source_group("src\\Math" FILES ${MATH_SOURCES_C})
 source_group("src\\Replay" FILES ${REPLAY_SOURCES_C})
 source_group("include" FILES ${SOURCES_H})
 
-add_library(srtp2
+add_library(srtp3
   ${SOURCES_C}
   ${CIPHERS_SOURCES_C}
   ${HASHES_SOURCES_C}
@@ -278,12 +278,12 @@ add_library(srtp2
   ${REPLAY_SOURCES_C}
   ${SOURCES_H}
 )
-add_library(libSRTP::srtp2 ALIAS srtp2)
+add_library(libSRTP::srtp3 ALIAS srtp3)
 
 if (${ENABLE_WARNINGS})
     target_set_warnings(
             TARGET
-            "srtp2"
+            "srtp3"
             ENABLE
             ${ENABLE_WARNINGS}
             AS_ERRORS
@@ -293,45 +293,45 @@ endif()
 if(${ENABLE_LTO})
     target_enable_lto(
             TARGET
-            "srtp2"
+            "srtp3"
             ENABLE
             ON)
 endif()
 
 
-set_target_properties(srtp2 PROPERTIES VERSION ${PROJECT_VERSION})
+set_target_properties(srtp3 PROPERTIES VERSION 1)
 
-target_include_directories(srtp2 PUBLIC
+target_include_directories(srtp3 PUBLIC
   $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/crypto/include>
   $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
   $<INSTALL_INTERFACE:include>
 )
 if(ENABLE_OPENSSL)
-  target_include_directories(srtp2 PRIVATE ${OPENSSL_INCLUDE_DIR})
-  target_link_libraries(srtp2 OpenSSL::Crypto)
+  target_include_directories(srtp3 PRIVATE ${OPENSSL_INCLUDE_DIR})
+  target_link_libraries(srtp3 OpenSSL::Crypto)
 elseif(ENABLE_WOLFSSL)
-  target_include_directories(srtp2 PRIVATE ${WOLFSSL_INCLUDE_DIR})
-  target_link_libraries(srtp2 ${WOLFSSL_LIBRARY})
+  target_include_directories(srtp3 PRIVATE ${WOLFSSL_INCLUDE_DIR})
+  target_link_libraries(srtp3 ${WOLFSSL_LIBRARY})
 elseif(ENABLE_MBEDTLS)
-  target_include_directories(srtp2 PRIVATE ${MBEDTLS_INCLUDE_DIRS})
-  target_link_libraries(srtp2 ${MBEDTLS_LIBRARIES})
+  target_include_directories(srtp3 PRIVATE ${MBEDTLS_INCLUDE_DIRS})
+  target_link_libraries(srtp3 ${MBEDTLS_LIBRARIES})
 elseif(ENABLE_NSS)
-  target_include_directories(srtp2 PRIVATE ${NSS_INCLUDE_DIRS})
-  target_link_libraries(srtp2 ${NSS_LIBRARIES})
+  target_include_directories(srtp3 PRIVATE ${NSS_INCLUDE_DIRS})
+  target_link_libraries(srtp3 ${NSS_LIBRARIES})
 endif()
 if(WIN32)
-  target_link_libraries(srtp2 ws2_32)
-  target_compile_definitions(srtp2 PUBLIC _CRT_SECURE_NO_WARNINGS)
+  target_link_libraries(srtp3 ws2_32)
+  target_compile_definitions(srtp3 PUBLIC _CRT_SECURE_NO_WARNINGS)
 endif()
 
-install(TARGETS srtp2 DESTINATION lib
+install(TARGETS srtp3 DESTINATION lib
   EXPORT libSRTPTargets
 )
 
 install(FILES include/srtp.h crypto/include/auth.h
   crypto/include/cipher.h
   crypto/include/crypto_types.h
-  DESTINATION include/srtp2)
+  DESTINATION include/srtp3)
 
 if(LIBSRTP_TEST_APPS)
   enable_testing()
@@ -339,14 +339,14 @@ if(LIBSRTP_TEST_APPS)
   find_package(PCAP)
   if (PCAP_FOUND)
     add_executable(rtp_decoder test/rtp_decoder.c test/getopt_s.c test/util.c)
-    target_link_libraries(rtp_decoder srtp2 ${PCAP_LIBRARY})
+    target_link_libraries(rtp_decoder srtp3 ${PCAP_LIBRARY})
   endif()
 
   if(NOT (BUILD_SHARED_LIBS AND WIN32))
     if(NOT USE_EXTERNAL_CRYPTO)
       add_executable(aes_calc crypto/test/aes_calc.c test/getopt_s.c test/util.c)
       target_include_directories(aes_calc PRIVATE test)
-      target_link_libraries(aes_calc srtp2)
+      target_link_libraries(aes_calc srtp3)
       target_set_warnings(
               TARGET
               aes_calc
@@ -370,7 +370,7 @@ if(LIBSRTP_TEST_APPS)
               AS_ERRORS
               ${ENABLE_WARNINGS_AS_ERRORS})
       target_include_directories(sha1_driver PRIVATE test)
-      target_link_libraries(sha1_driver srtp2)
+      target_link_libraries(sha1_driver srtp3)
       add_test(sha1_driver sha1_driver -v)
     endif()
 
@@ -383,7 +383,7 @@ if(LIBSRTP_TEST_APPS)
             AS_ERRORS
             ${ENABLE_WARNINGS_AS_ERRORS})
     target_include_directories(datatypes_driver PRIVATE test)
-    target_link_libraries(datatypes_driver srtp2)
+    target_link_libraries(datatypes_driver srtp3)
     add_test(datatypes_driver datatypes_driver -v)
 
     add_executable(cipher_driver crypto/test/cipher_driver.c test/getopt_s.c)
@@ -395,7 +395,7 @@ if(LIBSRTP_TEST_APPS)
             AS_ERRORS
             ${ENABLE_WARNINGS_AS_ERRORS})
     target_include_directories(cipher_driver PRIVATE test)
-    target_link_libraries(cipher_driver srtp2)
+    target_link_libraries(cipher_driver srtp3)
     add_test(cipher_driver cipher_driver -v)
 
     add_executable(kernel_driver crypto/test/kernel_driver.c test/getopt_s.c)
@@ -407,7 +407,7 @@ if(LIBSRTP_TEST_APPS)
             AS_ERRORS
             ${ENABLE_WARNINGS_AS_ERRORS})
     target_include_directories(kernel_driver PRIVATE test)
-    target_link_libraries(kernel_driver srtp2)
+    target_link_libraries(kernel_driver srtp3)
     add_test(kernel_driver kernel_driver -v)
 
     add_executable(rdbx_driver test/rdbx_driver.c test/getopt_s.c test/ut_sim.c)
@@ -419,7 +419,7 @@ if(LIBSRTP_TEST_APPS)
             AS_ERRORS
             ${ENABLE_WARNINGS_AS_ERRORS})
     target_include_directories(rdbx_driver PRIVATE test)
-    target_link_libraries(rdbx_driver srtp2)
+    target_link_libraries(rdbx_driver srtp3)
     add_test(rdbx_driver rdbx_driver -v)
 
     add_executable(replay_driver test/replay_driver.c test/ut_sim.c)
@@ -431,7 +431,7 @@ if(LIBSRTP_TEST_APPS)
             AS_ERRORS
             ${ENABLE_WARNINGS_AS_ERRORS})
     target_include_directories(replay_driver PRIVATE test)
-    target_link_libraries(replay_driver srtp2)
+    target_link_libraries(replay_driver srtp3)
     add_test(replay_driver replay_driver -v)
 
     add_executable(roc_driver test/roc_driver.c test/ut_sim.c)
@@ -443,7 +443,7 @@ if(LIBSRTP_TEST_APPS)
             AS_ERRORS
             ${ENABLE_WARNINGS_AS_ERRORS})
     target_include_directories(roc_driver PRIVATE test)
-    target_link_libraries(roc_driver srtp2)
+    target_link_libraries(roc_driver srtp3)
     add_test(roc_driver roc_driver -v)
   endif()
 
@@ -456,7 +456,7 @@ if(LIBSRTP_TEST_APPS)
           ${ENABLE_WARNINGS}
           AS_ERRORS
           ${ENABLE_WARNINGS_AS_ERRORS})
-  target_link_libraries(srtp_driver srtp2)
+  target_link_libraries(srtp_driver srtp3)
   add_test(srtp_driver srtp_driver -v)
   add_test(srtp_driver_not_in_place_io srtp_driver -v -n)
 
@@ -478,7 +478,7 @@ if(LIBSRTP_TEST_APPS)
     elseif(ENABLE_NSS)
       target_include_directories(test_srtp PRIVATE ${NSS_INCLUDE_DIRS})
     endif()
-    target_link_libraries(test_srtp srtp2)
+    target_link_libraries(test_srtp srtp3)
     add_test(test_srtp test_srtp)
   endif()
 
@@ -492,7 +492,7 @@ if(LIBSRTP_TEST_APPS)
             ${ENABLE_WARNINGS}
             AS_ERRORS
             ${ENABLE_WARNINGS_AS_ERRORS})
-    target_link_libraries(rtpw srtp2)
+    target_link_libraries(rtpw srtp3)
     add_test(NAME rtpw_test
              COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/test/rtpw_test.sh -w ${CMAKE_CURRENT_SOURCE_DIR}/test/words.txt
              WORKING_DIRECTORY ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
diff --git a/Makefile.in b/Makefile.in
index 69922cf93..33bc66b03 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -8,8 +8,8 @@
 # runtest       runs test applications
 # runtest-valgrind runs test applications with valgrind
 # test		builds test applications
-# libsrtp2.a	static library implementing srtp
-# libsrtp2.so	shared library implementing srtp
+# libsrtp3.a	static library implementing srtp
+# libsrtp3.so	shared library implementing srtp
 # clean		removes objects, libs, and executables
 # distribution  cleans and builds a .tgz
 # tags          builds etags file from all .c and .h files
@@ -43,7 +43,7 @@ endif
 all: test
 
 runtest: test
-	@echo "running libsrtp2 test applications..."
+	@echo "running libsrtp3 test applications..."
 	$(FIND_LIBRARIES) crypto/test/cipher_driver$(EXE) -v >/dev/null
 	$(FIND_LIBRARIES) crypto/test/kernel_driver$(EXE) -v >/dev/null
 	$(FIND_LIBRARIES) test/test_srtp$(EXE) >/dev/null
@@ -55,14 +55,14 @@ runtest: test
 ifeq (1, $(USE_EXTERNAL_CRYPTO))
 	cd test; $(CRYPTO_LIBDIR_FORWARD) $(abspath $(srcdir))/test/rtpw_test_gcm.sh -w $(abspath $(srcdir))/test/words.txt >/dev/null
 endif
-	@echo "libsrtp2 test applications passed."
+	@echo "libsrtp3 test applications passed."
 	$(MAKE) -C crypto runtest
 
 runtest-valgrind: test
-	@echo "running libsrtp2 test applications... (valgrind)"
+	@echo "running libsrtp3 test applications... (valgrind)"
 	valgrind --error-exitcode=1 --leak-check=full test/test_srtp$(EXE) -v >/dev/null
 	valgrind --error-exitcode=1 --leak-check=full test/srtp_driver$(EXE) -v >/dev/null
-	@echo "libsrtp2 test applications passed. (valgrind)"
+	@echo "libsrtp3 test applications passed. (valgrind)"
 
 # makefile variables
 
@@ -78,7 +78,7 @@ srtp-fuzzer: CXXFLAGS += -g
 LIBS	= @LIBS@
 LDFLAGS	= -L. @LDFLAGS@
 COMPILE = $(CC) $(DEFS) $(INCDIR) $(CPPFLAGS) $(CFLAGS)
-SRTPLIB	= -lsrtp2
+SRTPLIB	= -lsrtp3
 PCAP_LIB = @PCAP_LIB@
 
 AR      = @AR@
@@ -103,7 +103,7 @@ libdir = @libdir@
 bindir = @bindir@
 
 pkgconfigdir = $(libdir)/pkgconfig
-pkgconfig_DATA = libsrtp2.pc
+pkgconfig_DATA = libsrtp3.pc
 
 SHAREDLIBVERSION = 1
 ifneq (,$(or $(findstring linux,@host@), $(findstring gnu,@host@)))
@@ -113,7 +113,7 @@ SHAREDLIBSUFFIXNOVER = so
 SHAREDLIBSUFFIX = $(SHAREDLIBSUFFIXNOVER).$(SHAREDLIBVERSION)
 else ifneq (,$(or $(findstring cygwin,@host@), $(findstring mingw,@host@)))
 SHAREDLIB_DIR = $(bindir)
-SHAREDLIB_LDFLAGS = -shared -Wl,--out-implib,libsrtp2.dll.a
+SHAREDLIB_LDFLAGS = -shared -Wl,--out-implib,libsrtp3.dll.a
 SHAREDLIBVERSION =
 SHAREDLIBSUFFIXNOVER = dll
 SHAREDLIBSUFFIX = $(SHAREDLIBSUFFIXNOVER)
@@ -154,26 +154,26 @@ kernel  = crypto/kernel/crypto_kernel.o  crypto/kernel/alloc.o   \
 
 cryptobj =  $(ciphers) $(hashes) $(math) $(kernel) $(replay)
 
-# libsrtp2.a (implements srtp processing)
+# libsrtp3.a (implements srtp processing)
 
 srtpobj = srtp/srtp.o
 
-libsrtp2.a: $(srtpobj) $(cryptobj) $(gdoi)
-	$(AR) cr libsrtp2.a $^
-	$(RANLIB) libsrtp2.a
+libsrtp3.a: $(srtpobj) $(cryptobj) $(gdoi)
+	$(AR) cr libsrtp3.a $^
+	$(RANLIB) libsrtp3.a
 
-libsrtp2.$(SHAREDLIBSUFFIX): $(srtpobj) $(cryptobj) $(gdoi)
+libsrtp3.$(SHAREDLIBSUFFIX): $(srtpobj) $(cryptobj) $(gdoi)
 	$(CC) -shared -o $@ $(SHAREDLIB_LDFLAGS) \
 				$^ $(LDFLAGS) $(LIBS)
 	if [ -n "$(SHAREDLIBVERSION)" ]; then \
-		ln -sfn $@ libsrtp2.$(SHAREDLIBSUFFIXNOVER); \
+		ln -sfn $@ libsrtp3.$(SHAREDLIBSUFFIXNOVER); \
 	fi
 
-shared_library: libsrtp2.$(SHAREDLIBSUFFIX)
+shared_library: libsrtp3.$(SHAREDLIBSUFFIX)
 
-libsrtp2.so: $(srtpobj) $(cryptobj)
-	$(CC) -shared -Wl,-soname,libsrtp2.so \
-		-o libsrtp2.so $^ $(LDFLAGS)
+libsrtp3.so: $(srtpobj) $(cryptobj)
+	$(CC) -shared -Wl,-soname,libsrtp3.so \
+		-o libsrtp3.so $^ $(LDFLAGS)
 
 # test applications
 ifneq (1, $(USE_EXTERNAL_CRYPTO))
@@ -193,7 +193,7 @@ ifeq (1, $(HAVE_PCAP))
 testapp += test/rtp_decoder$(EXE)
 endif
 
-$(testapp): libsrtp2.a
+$(testapp): libsrtp3.a
 
 test/rtpw$(EXE): test/rtpw.c test/rtp.c test/util.c test/getopt_s.c \
 		crypto/math/datatypes.c
@@ -264,47 +264,47 @@ tags:
 	etags */*.[ch] */*/*.[ch]
 
 
-# documentation - the target libsrtp2doc builds html documentation
+# documentation - the target libsrtp3doc builds html documentation
 
-libsrtp2doc:
+libsrtp3doc:
 	$(MAKE) -C doc
 
 # fuzzer
 
-srtp-fuzzer: libsrtp2.a
+srtp-fuzzer: libsrtp3.a
 	$(MAKE) -C fuzzer
 
 .PHONY: clean superclean distclean install
 
 install:
-	$(INSTALL) -d $(DESTDIR)$(includedir)/srtp2
+	$(INSTALL) -d $(DESTDIR)$(includedir)/srtp3
 	$(INSTALL) -d $(DESTDIR)$(libdir)
-	cp $(srcdir)/include/srtp.h $(DESTDIR)$(includedir)/srtp2
-	cp $(srcdir)/crypto/include/cipher.h $(DESTDIR)$(includedir)/srtp2
-	cp $(srcdir)/crypto/include/auth.h $(DESTDIR)$(includedir)/srtp2
-	cp $(srcdir)/crypto/include/crypto_types.h $(DESTDIR)$(includedir)/srtp2
-	if [ -f libsrtp2.a ]; then cp libsrtp2.a $(DESTDIR)$(libdir)/; fi
-	if [ -f libsrtp2.dll.a ]; then cp libsrtp2.dll.a $(DESTDIR)$(libdir)/; fi
-	if [ -f libsrtp2.$(SHAREDLIBSUFFIX) ]; then \
+	cp $(srcdir)/include/srtp.h $(DESTDIR)$(includedir)/srtp3
+	cp $(srcdir)/crypto/include/cipher.h $(DESTDIR)$(includedir)/srtp3
+	cp $(srcdir)/crypto/include/auth.h $(DESTDIR)$(includedir)/srtp3
+	cp $(srcdir)/crypto/include/crypto_types.h $(DESTDIR)$(includedir)/srtp3
+	if [ -f libsrtp3.a ]; then cp libsrtp3.a $(DESTDIR)$(libdir)/; fi
+	if [ -f libsrtp3.dll.a ]; then cp libsrtp3.dll.a $(DESTDIR)$(libdir)/; fi
+	if [ -f libsrtp3.$(SHAREDLIBSUFFIX) ]; then \
 		$(INSTALL) -d $(DESTDIR)$(SHAREDLIB_DIR); \
-		cp libsrtp2.$(SHAREDLIBSUFFIX) $(DESTDIR)$(SHAREDLIB_DIR)/; \
-		cp libsrtp2.$(SHAREDLIBSUFFIXNOVER) $(DESTDIR)$(SHAREDLIB_DIR)/; \
+		cp libsrtp3.$(SHAREDLIBSUFFIX) $(DESTDIR)$(SHAREDLIB_DIR)/; \
+		cp libsrtp3.$(SHAREDLIBSUFFIXNOVER) $(DESTDIR)$(SHAREDLIB_DIR)/; \
 		if [ -n "$(SHAREDLIBVERSION)" ]; then \
-			ln -sfn libsrtp2.$(SHAREDLIBSUFFIX) $(DESTDIR)$(SHAREDLIB_DIR)/libsrtp2.$(SHAREDLIBSUFFIXNOVER); \
+			ln -sfn libsrtp3.$(SHAREDLIBSUFFIX) $(DESTDIR)$(SHAREDLIB_DIR)/libsrtp3.$(SHAREDLIBSUFFIXNOVER); \
 		fi; \
 	fi
 	$(INSTALL) -d $(DESTDIR)$(pkgconfigdir)
 	cp $(top_builddir)/$(pkgconfig_DATA) $(DESTDIR)$(pkgconfigdir)/
 
 uninstall:
-	rm -f $(DESTDIR)$(includedir)/srtp2/*.h
-	rm -f $(DESTDIR)$(libdir)/libsrtp2.*
-	-rmdir $(DESTDIR)$(includedir)/srtp2
+	rm -f $(DESTDIR)$(includedir)/srtp3/*.h
+	rm -f $(DESTDIR)$(libdir)/libsrtp3.*
+	-rmdir $(DESTDIR)$(includedir)/srtp3
 	rm -f $(DESTDIR)$(pkgconfigdir)/$(pkgconfig_DATA)
 
 clean:
 	rm -rf $(cryptobj) $(srtpobj) TAGS \
-		libsrtp2.a libsrtp2.so libsrtp2.dll.a core *.core test/core
+		libsrtp3.a libsrtp3.so libsrtp3.dll.a core *.core test/core
 	for a in * */* */*/*; do			\
 			  if [ -f "$$a~" ] ; then rm -f $$a~; fi;	\
 		done;
diff --git a/configure b/configure
index 91f8a7417..3d4e12874 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for libsrtp2 3.0.0-pre.
+# Generated by GNU Autoconf 2.69 for libsrtp3 3.0.0-pre.
 #
 # Report bugs to <https://github.com/cisco/libsrtp/issues>.
 #
@@ -578,10 +578,10 @@ MFLAGS=
 MAKEFLAGS=
 
 # Identity of this package.
-PACKAGE_NAME='libsrtp2'
-PACKAGE_TARNAME='libsrtp2'
+PACKAGE_NAME='libsrtp3'
+PACKAGE_TARNAME='libsrtp3'
 PACKAGE_VERSION='3.0.0-pre'
-PACKAGE_STRING='libsrtp2 3.0.0-pre'
+PACKAGE_STRING='libsrtp3 3.0.0-pre'
 PACKAGE_BUGREPORT='https://github.com/cisco/libsrtp/issues'
 PACKAGE_URL=''
 
@@ -1290,7 +1290,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures libsrtp2 3.0.0-pre to adapt to many kinds of systems.
+\`configure' configures libsrtp3 3.0.0-pre to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1339,7 +1339,7 @@ Fine tuning of the installation directories:
   --infodir=DIR           info documentation [DATAROOTDIR/info]
   --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
   --mandir=DIR            man documentation [DATAROOTDIR/man]
-  --docdir=DIR            documentation root [DATAROOTDIR/doc/libsrtp2]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/libsrtp3]
   --htmldir=DIR           html documentation [DOCDIR]
   --dvidir=DIR            dvi documentation [DOCDIR]
   --pdfdir=DIR            pdf documentation [DOCDIR]
@@ -1356,7 +1356,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of libsrtp2 3.0.0-pre:";;
+     short | recursive ) echo "Configuration of libsrtp3 3.0.0-pre:";;
    esac
   cat <<\_ACEOF
 
@@ -1471,7 +1471,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-libsrtp2 configure 3.0.0-pre
+libsrtp3 configure 3.0.0-pre
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2024,7 +2024,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by libsrtp2 $as_me 3.0.0-pre, which was
+It was created by libsrtp3 $as_me 3.0.0-pre, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -4789,118 +4789,6 @@ done
 
 CFLAGS="$supported_cflags"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
-$as_echo_n "checking for ANSI C header files... " >&6; }
-if ${ac_cv_header_stdc+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <float.h>
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_header_stdc=yes
-else
-  ac_cv_header_stdc=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-if test $ac_cv_header_stdc = yes; then
-  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <string.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then :
-
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdlib.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then :
-
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then :
-  :
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <ctype.h>
-#include <stdlib.h>
-#if ((' ' & 0x0FF) == 0x020)
-# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
-# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
-#else
-# define ISLOWER(c) \
-		   (('a' <= (c) && (c) <= 'i') \
-		     || ('j' <= (c) && (c) <= 'r') \
-		     || ('s' <= (c) && (c) <= 'z'))
-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
-int
-main ()
-{
-  int i;
-  for (i = 0; i < 256; i++)
-    if (XOR (islower (i), ISLOWER (i))
-	|| toupper (i) != TOUPPER (i))
-      return 2;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-
-else
-  ac_cv_header_stdc=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
-$as_echo "$ac_cv_header_stdc" >&6; }
-if test $ac_cv_header_stdc = yes; then
-
-$as_echo "#define STDC_HEADERS 1" >>confdefs.h
-
-fi
-
 for ac_header in unistd.h byteswap.h stdint.h sys/uio.h inttypes.h sys/types.h machine/types.h sys/int_types.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
@@ -6660,7 +6548,7 @@ fi
 ac_config_headers="$ac_config_headers crypto/include/config.h:config_in.h"
 
 
-ac_config_files="$ac_config_files Makefile crypto/Makefile doc/Makefile fuzzer/Makefile libsrtp2.pc"
+ac_config_files="$ac_config_files Makefile crypto/Makefile doc/Makefile fuzzer/Makefile libsrtp3.pc"
 
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
@@ -7169,7 +7057,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by libsrtp2 $as_me 3.0.0-pre, which was
+This file was extended by libsrtp3 $as_me 3.0.0-pre, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -7231,7 +7119,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-libsrtp2 config.status 3.0.0-pre
+libsrtp3 config.status 3.0.0-pre
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
@@ -7358,7 +7246,7 @@ do
     "crypto/Makefile") CONFIG_FILES="$CONFIG_FILES crypto/Makefile" ;;
     "doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
     "fuzzer/Makefile") CONFIG_FILES="$CONFIG_FILES fuzzer/Makefile" ;;
-    "libsrtp2.pc") CONFIG_FILES="$CONFIG_FILES libsrtp2.pc" ;;
+    "libsrtp3.pc") CONFIG_FILES="$CONFIG_FILES libsrtp3.pc" ;;
 
   *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
diff --git a/configure.ac b/configure.ac
index 1f3024afa..54fd36bf8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_INIT([libsrtp2], [3.0.0-pre], [https://github.com/cisco/libsrtp/issues])
+AC_INIT([libsrtp3],[3.0.0-pre],[https://github.com/cisco/libsrtp/issues])
 
 dnl Must come before AC_PROG_CC
 EMPTY_CFLAGS="no"
@@ -425,7 +425,7 @@ AS_IF([test "x$EXTRA_CFLAGS" != "x"],
 
 AC_CONFIG_HEADER([crypto/include/config.h:config_in.h])
 
-AC_CONFIG_FILES([Makefile crypto/Makefile doc/Makefile fuzzer/Makefile libsrtp2.pc])
+AC_CONFIG_FILES([Makefile crypto/Makefile doc/Makefile fuzzer/Makefile libsrtp3.pc])
 AC_OUTPUT
 
 # This is needed when building outside the source dir.
diff --git a/crypto/Makefile.in b/crypto/Makefile.in
index 8c2c4fabe..8eff89c5b 100644
--- a/crypto/Makefile.in
+++ b/crypto/Makefile.in
@@ -16,7 +16,7 @@ CFLAGS	= @CFLAGS@
 LIBS	= @LIBS@
 LDFLAGS	= @LDFLAGS@ -L. -L..
 COMPILE = $(CC) $(DEFS) $(INCDIR) $(CPPFLAGS) $(CFLAGS)
-CRYPTOLIB = -lsrtp2
+CRYPTOLIB = -lsrtp3
 CRYPTO_LIBDIR = @CRYPTO_LIBDIR@
 
 RANLIB	= @RANLIB@
diff --git a/crypto/test/meson.build b/crypto/test/meson.build
index b49696210..3528e288a 100644
--- a/crypto/test/meson.build
+++ b/crypto/test/meson.build
@@ -14,18 +14,18 @@ endif
 foreach test_name : test_apps
   test_exe = executable(test_name,
     '@0@.c'.format(test_name), '../../test/getopt_s.c', '../../test/util.c',
-    include_directories: [config_incs, crypto_incs, srtp2_incs, test_incs],
-    dependencies: [srtp2_deps, syslibs],
-    link_with: libsrtp2_for_tests)
+    include_directories: [config_incs, crypto_incs, srtp3_incs, test_incs],
+    dependencies: [srtp3_deps, syslibs],
+    link_with: libsrtp3_for_tests)
   test(test_name, test_exe, args: ['-v'])
 endforeach
 
 if not use_openssl and not use_wolfssl and not use_nss and not use_mbedtls
   test_exe = executable('aes_calc',
     'aes_calc.c', '../../test/getopt_s.c', '../../test/util.c',
-    include_directories: [config_incs, crypto_incs, srtp2_incs, test_incs],
-    dependencies: [srtp2_deps, syslibs],
-    link_with: libsrtp2_for_tests)
+    include_directories: [config_incs, crypto_incs, srtp3_incs, test_incs],
+    dependencies: [srtp3_deps, syslibs],
+    link_with: libsrtp3_for_tests)
 
   # data values used to test the aes_calc application for AES-128
   k128 = '000102030405060708090a0b0c0d0e0f'
diff --git a/doc/meson.build b/doc/meson.build
index a693897e8..f1bcf18a4 100644
--- a/doc/meson.build
+++ b/doc/meson.build
@@ -19,4 +19,4 @@ doxygen_html_docs = custom_target('doc',
   command: [doxygen, doxyfile],
   output: ['html'])
 
-alias_target('libsrtp2doc', doxygen_html_docs)
+alias_target('libsrtp3doc', doxygen_html_docs)
diff --git a/fuzzer/Makefile.in b/fuzzer/Makefile.in
index cd107faa9..964f25f3d 100644
--- a/fuzzer/Makefile.in
+++ b/fuzzer/Makefile.in
@@ -15,7 +15,7 @@ CFLAGS	= @CFLAGS@ -g
 LIBS	= @LIBS@
 COMPILE = $(CC) $(DEFS) $(INCDIR) $(CPPFLAGS) $(CFLAGS)
 COMPILECXX = $(CXX) $(DEFS) $(INCDIR) $(CPPFLAGS) $(CXXFLAGS)
-CRYPTOLIB = -lsrtp2
+CRYPTOLIB = -lsrtp3
 
 .PHONY: clean
 
diff --git a/fuzzer/meson.build b/fuzzer/meson.build
index 3b1def605..9f76bcd34 100644
--- a/fuzzer/meson.build
+++ b/fuzzer/meson.build
@@ -22,10 +22,10 @@ threads = dependency('threads')
 if libfuzzer.found()
   executable('srtp-fuzzer',
     'fuzzer.c', 'testmem.c', 'mt19937.cpp',
-    include_directories: [config_incs, crypto_incs, srtp2_incs],
+    include_directories: [config_incs, crypto_incs, srtp3_incs],
     cpp_args: ['-fsanitize=fuzzer'],
     override_options : ['cpp_std=c++11'],
     dependencies: [libfuzzer, threads],
-    link_with: libsrtp2,
+    link_with: libsrtp3,
     install: false)
 endif
diff --git a/include/srtp2/meson.build b/include/srtp3/meson.build
similarity index 100%
rename from include/srtp2/meson.build
rename to include/srtp3/meson.build
diff --git a/libsrtp2.pc.in b/libsrtp3.pc.in
similarity index 90%
rename from libsrtp2.pc.in
rename to libsrtp3.pc.in
index f2097a3a2..b54d9e577 100644
--- a/libsrtp2.pc.in
+++ b/libsrtp3.pc.in
@@ -7,6 +7,6 @@ Name: @PACKAGE_NAME@
 Version: @PACKAGE_VERSION@
 Description: Library for SRTP (Secure Realtime Transport Protocol)
 
-Libs: -L${libdir} -lsrtp2
+Libs: -L${libdir} -lsrtp3
 Libs.private: @LIBS@
 Cflags: -I${includedir}
diff --git a/meson.build b/meson.build
index 8b11c25cf..d8372986e 100644
--- a/meson.build
+++ b/meson.build
@@ -1,4 +1,4 @@
-project('libsrtp2', 'c', version: '3.0.0',
+project('libsrtp3', 'c', version: '3.0.0',
   meson_version: '>= 0.52.0',
   default_options: ['buildtype=debugoptimized'])
 
@@ -7,7 +7,7 @@ soversion = 1
 cc = meson.get_compiler('c')
 host_system = host_machine.system()
 
-srtp2_deps = []
+srtp3_deps = []
 syslibs = []
 
 if host_system == 'windows'
@@ -127,7 +127,7 @@ use_mbedtls = false
 crypto_library = get_option('crypto-library')
 if crypto_library == 'openssl'
   openssl_dep = dependency('openssl', version: '>= 1.1.0', required: true)
-  srtp2_deps += [openssl_dep]
+  srtp3_deps += [openssl_dep]
   cdata.set('GCM', true)
   cdata.set('OPENSSL', true)
   cdata.set('USE_EXTERNAL_CRYPTO', true)
@@ -145,7 +145,7 @@ if crypto_library == 'openssl'
   endif
 elif crypto_library == 'wolfssl'
   wolfssl_dep = dependency('wolfssl', version: '>= 5.7.0', required: true)
-  srtp2_deps += [wolfssl_dep]
+  srtp3_deps += [wolfssl_dep]
   cdata.set('GCM', true)
   cdata.set('WOLFSSL', true)
   cdata.set('USE_EXTERNAL_CRYPTO', true)
@@ -161,7 +161,7 @@ elif crypto_library == 'wolfssl'
   endif
 elif crypto_library == 'nss'
   nss_dep = dependency('nss', version: '>= 1.0.1', required: true)
-  srtp2_deps += [nss_dep]
+  srtp3_deps += [nss_dep]
   cdata.set('GCM', true)
   cdata.set('NSS', true)
   cdata.set('USE_EXTERNAL_CRYPTO', true)
@@ -175,7 +175,7 @@ elif crypto_library == 'mbedtls'
   if not mbedtls_dep.found()
     mbedtls_dep = cc.find_library('mbedcrypto', has_headers: ['mbedtls/aes.h'], required: true)
   endif
-  srtp2_deps += [mbedtls_dep]
+  srtp3_deps += [mbedtls_dep]
   cdata.set('GCM', true)
   cdata.set('MBEDTLS', true)
   cdata.set('USE_EXTERNAL_CRYPTO', true)
@@ -289,44 +289,44 @@ public_headers = files(
   'crypto/include/cipher.h',
   'crypto/include/crypto_types.h',
 )
-install_headers(public_headers, subdir : 'srtp2')
+install_headers(public_headers, subdir : 'srtp3')
 
 config_incs = include_directories('.')
 crypto_incs = include_directories('crypto/include')
-srtp2_incs = include_directories('include')
+srtp3_incs = include_directories('include')
 test_incs = include_directories('test')
 
 default_library = get_option('default_library')
 
-libsrtp2_static = static_library('srtp2', sources, ciphers_sources, hashes_sources,
+libsrtp3_static = static_library('srtp3', sources, ciphers_sources, hashes_sources,
   kernel_sources, math_sources, replay_sources,
-  dependencies: [srtp2_deps, syslibs],
-  include_directories: [crypto_incs, srtp2_incs],
+  dependencies: [srtp3_deps, syslibs],
+  include_directories: [crypto_incs, srtp3_incs],
   install: default_library != 'shared')
 
 if default_library != 'static'
-  libsrtp2 = shared_library('srtp2',
+  libsrtp3 = shared_library('srtp3',
     soversion : soversion,
     vs_module_defs: 'srtp.def',
-    link_whole: libsrtp2_static,
+    link_whole: libsrtp3_static,
     install: true)
 else
-  libsrtp2 = libsrtp2_static
+  libsrtp3 = libsrtp3_static
 endif
 
-subdir('include/srtp2') # copies public_headers into the builddir
+subdir('include/srtp3') # copies public_headers into the builddir
 public_incs = include_directories('include') # sets public_incs
 
-libsrtp2_dep = declare_dependency(link_with: libsrtp2,
+libsrtp3_dep = declare_dependency(link_with: libsrtp3,
   include_directories: public_incs)
 
 if not get_option('tests').disabled()
   # Tests use non-public API, and when building on Windows the only symbols we
   # export are those in srtp.def, so link to the static library in that case.
   if host_system == 'windows'
-    libsrtp2_for_tests = libsrtp2_static
+    libsrtp3_for_tests = libsrtp3_static
   else
-    libsrtp2_for_tests = libsrtp2
+    libsrtp3_for_tests = libsrtp3
   endif
   subdir('crypto/test')
   subdir('test')
@@ -341,7 +341,7 @@ if not get_option('doc').disabled()
 endif
 
 pkgconfig = import('pkgconfig')
-pkgconfig.generate(libsrtp2,
+pkgconfig.generate(libsrtp3,
   filebase: meson.project_name(),
   name: meson.project_name(),
   version: meson.project_version(),
diff --git a/meson_options.txt b/meson_options.txt
index 80e03b87a..2b90375c1 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -9,7 +9,7 @@ option('crypto-library', type: 'combo', choices : ['none', 'openssl', 'wolfssl',
 option('crypto-library-kdf', type : 'feature', value : 'auto',
   description : 'Use the external crypto library for Key Derivation Function support')
 option('fuzzer', type : 'feature', value : 'disabled',
-  description : 'Build libsrtp2 fuzzer (requires build with clang)')
+  description : 'Build libsrtp fuzzer (requires build with clang)')
 option('tests', type : 'feature', value : 'auto', yield : true,
   description : 'Build test applications')
 option('pcap-tests', type : 'feature', value : 'auto',
diff --git a/test/meson.build b/test/meson.build
index 214576271..6f0511859 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -22,9 +22,9 @@ foreach t : test_apps
 
   test_exe = executable(test_name,
     '@0@.c'.format(test_name), 'getopt_s.c', test_extra_sources,
-    include_directories: [config_incs, crypto_incs, srtp2_incs, test_incs],
-    dependencies: [srtp2_deps, syslibs],
-    link_with: libsrtp2_for_tests)
+    include_directories: [config_incs, crypto_incs, srtp3_incs, test_incs],
+    dependencies: [srtp3_deps, syslibs],
+    link_with: libsrtp3_for_tests)
 
   if test_dict.get('define_test', true)
     test(test_name, test_exe, args: test_run_args)
@@ -70,8 +70,8 @@ if pcap_dep.found()
   executable('rtp_decoder',
     'rtp_decoder.c', 'getopt_s.c', 'rtp.c', 'util.c', 'getopt_s.c',
     '../crypto/math/datatypes.c',
-    include_directories: [config_incs, crypto_incs, srtp2_incs, test_incs],
-    dependencies: [srtp2_deps, pcap_dep, syslibs],
-    link_with: libsrtp2,
+    include_directories: [config_incs, crypto_incs, srtp3_incs, test_incs],
+    dependencies: [srtp3_deps, pcap_dep, syslibs],
+    link_with: libsrtp3,
     install: false)
 endif