Implement telfhash for ELF import table

LICENSE-THIRD-PARTY

@@ -18,6 +18,7 @@ RetDec uses the following third-party libraries or other resources:
 10) yaramod: https://github.com/avast/yaramod
 11) Eigen: http://eigen.tuxfamily.org/index.php?title=Main_Page
 12) cmake-modules: https://github.com/rpavlik/cmake-modules
+13) tlsh: https://github.com/trendmicro/tlsh
 
 These third-party libraries or other resources are licensed under the
 following licenses:
@@ -699,3 +700,276 @@ SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
 FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 DEALINGS IN THE SOFTWARE.
+
+===============================================================================
+12) tlsh
+===============================================================================
+  =====================
+   LICENSE OPTION NOTICE
+   =====================
+   TLSH is provided for use under two licenses: Apache OR BSD.
+   Users may opt to use either license depending on the license
+   restictions of the systems with which they plan to integrate
+   the TLSH code. 
+
+
+
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+   =========================================================================
+   ==  NOTICE file for use with the Apache License, Version 2.0,          ==
+   ==  in this case for the Trend Locality Sensitive Hash distribution.   ==
+   =========================================================================
+
+   Trend Locality Sensitive Hash (TLSH)
+   Copyright 2010-2014 Trend Micro
+
+   This product includes software developed at
+   Trend Micro (http://www.trendmicro.com/)
+
+   Refer to the following publications for more information:
+
+     Jonathan Oliver, Chun Cheng and Yanggui Chen,
+     "TLSH - A Locality Sensitive Hash"
+     4th Cybercrime and Trustworthy Computing Workshop, Sydney, November 2013
+     https://github.com/trendmicro/tlsh/blob/master/TLSH_CTC_final.pdf
+
+     Jonathan Oliver, Scott Forman and Chun Cheng,
+     "Using Randomization to Attack Similarity Digests"
+     Applications and Techniques in Information Security. Springer Berlin Heidelberg, 2014. 199-210.
+     https://github.com/trendmicro/tlsh/blob/master/Attacking_LSH_and_Sim_Dig.pdf
+
+     Jonathan Oliver and Jayson Pryde
+     http://blog.trendmicro.com/trendlabs-security-intelligence/smart-whitelisting-using-locality-sensitive-hashing/

cmake/options.cmake

@@ -497,6 +497,9 @@ set_if_at_least_one_set(RETDEC_ENABLE_YARAMOD
 		RETDEC_ENABLE_PAT2YARA
 		RETDEC_ENABLE_PATTERNGEN)
 
+set_if_at_least_one_set(RETDEC_ENABLE_TLSH
+		RETDEC_ENABLE_FILEFORMAT)
+
 # Support
 
 set_if_at_least_one_set(RETDEC_ENABLE_SUPPORT_ORDINALS

deps/CMakeLists.txt

@@ -23,3 +23,4 @@ cond_add_subdirectory(rapidjson RETDEC_ENABLE_RAPIDJSON)
 cond_add_subdirectory(tinyxml2 RETDEC_ENABLE_TINYXML2)
 cond_add_subdirectory(yara RETDEC_ENABLE_YARA)
 cond_add_subdirectory(yaramod RETDEC_ENABLE_YARAMOD)
+cond_add_subdirectory(tlsh RETDEC_ENABLE_TLSH)

deps/tlsh/CMakeLists.txt

@@ -0,0 +1,52 @@
+
+add_library(tlsh STATIC
+	tlsh.cpp
+	tlsh_impl.cpp
+	tlsh_util.cpp
+)
+add_library(retdec::deps::tlsh ALIAS tlsh)
+
+target_include_directories(tlsh
+	SYSTEM INTERFACE
+		$<BUILD_INTERFACE:${RETDEC_DEPS_DIR}/tlsh/include>
+		$<INSTALL_INTERFACE:${RETDEC_INSTALL_DEPS_INCLUDE_DIR}>
+	PRIVATE
+		$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/tlsh>
+)
+
+set_target_properties(tlsh
+	PROPERTIES
+		OUTPUT_NAME "retdec-tlsh"
+)
+
+if(MSVC)
+	target_compile_definitions(tlsh PUBLIC WINDOWS TLSH_EXPORTS TLSH_LIB)
+endif()
+
+# Install includes.
+install(
+	DIRECTORY ${RETDEC_DEPS_DIR}/tlsh/include/
+	DESTINATION ${RETDEC_INSTALL_DEPS_INCLUDE_DIR}
+)
+
+# Install libs.
+install(TARGETS tlsh
+	EXPORT tlsh-targets
+	ARCHIVE DESTINATION ${RETDEC_INSTALL_LIB_DIR}
+	LIBRARY DESTINATION ${RETDEC_INSTALL_LIB_DIR}
+)
+
+# Export targets.
+install(EXPORT tlsh-targets
+	FILE "retdec-tlsh-targets.cmake"
+	NAMESPACE retdec::deps::
+	DESTINATION ${RETDEC_INSTALL_CMAKE_DIR}
+)
+
+# Install CMake files.
+install(
+	FILES
+		"${CMAKE_CURRENT_LIST_DIR}/retdec-tlsh-config.cmake"
+	DESTINATION
+		"${RETDEC_INSTALL_CMAKE_DIR}"
+)