Implement an MD5 hashing module powered by BearSSL (#1800)

Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>

Author: jviotti

CMakeLists.txt

@@ -5,6 +5,7 @@ list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
 # Options
 option(SOURCEMETA_CORE_UUID "Build the Sourcemeta Core UUID library" ON)
 option(SOURCEMETA_CORE_GZIP "Build the Sourcemeta Core GZIP library" ON)
+option(SOURCEMETA_CORE_MD5 "Build the Sourcemeta Core MD5 library" ON)
 option(SOURCEMETA_CORE_REGEX "Build the Sourcemeta Core Regex library" ON)
 option(SOURCEMETA_CORE_URI "Build the Sourcemeta Core URI library" ON)
 option(SOURCEMETA_CORE_JSON "Build the Sourcemeta Core JSON library" ON)
@@ -20,6 +21,7 @@ option(SOURCEMETA_CORE_INSTALL "Install the Sourcemeta Core library" ON)
 option(SOURCEMETA_CORE_ADDRESS_SANITIZER "Build Sourcemeta Core with an address sanitizer" OFF)
 option(SOURCEMETA_CORE_UNDEFINED_SANITIZER "Build Sourcemeta Core with an undefined behavior sanitizer" OFF)
 option(SOURCEMETA_CORE_CONTRIB_ZLIB "Build the ZLIB library for downstream consumers" OFF)
+option(SOURCEMETA_CORE_CONTRIB_BEARSSL "Build the BearSSL library for downstream consumers" OFF)
 option(SOURCEMETA_CORE_CONTRIB_GOOGLETEST "Build the GoogleTest library for downstream consumers" OFF)
 option(SOURCEMETA_CORE_CONTRIB_GOOGLEBENCHMARK "Build the GoogleBenchmark library for downstream consumers" OFF)
 
@@ -57,6 +59,11 @@ if(SOURCEMETA_CORE_GZIP OR SOURCEMETA_CORE_CONTRIB_ZLIB)
   add_subdirectory(src/core/gzip)
 endif()
 
+if(SOURCEMETA_CORE_MD5 OR SOURCEMETA_CORE_CONTRIB_BEARSSL)
+  find_package(BearSSL REQUIRED)
+  add_subdirectory(src/core/md5)
+endif()
+
 if(SOURCEMETA_CORE_REGEX)
   find_package(BoostRegex REQUIRED)
   add_subdirectory(src/core/regex)
@@ -132,6 +139,10 @@ if(SOURCEMETA_CORE_TESTS)
     add_subdirectory(test/gzip)
   endif()
 
+  if(SOURCEMETA_CORE_MD5)
+    add_subdirectory(test/md5)
+  endif()
+
   if(SOURCEMETA_CORE_REGEX)
     add_subdirectory(test/regex)
   endif()

DEPENDENCIES

@@ -14,6 +14,7 @@ jsonschema-test-suite https://github.com/json-schema-org/JSON-Schema-Test-Suite
 uriparser https://github.com/uriparser/uriparser bfe94f6e54d0abb5afa7bb0411940b7242cb835a
 yaml https://github.com/yaml/libyaml 0.2.5
 zlib https://github.com/madler/zlib 51b7f2abdade71cd9bb0e7a373ef2610ec6f9daf
+bearssl https://www.bearssl.org/git/BearSSL 8ef7680081c61b486622f2d983c0d3d21e83caad
 boost-regex https://github.com/boostorg/regex boost-1.86.0
 googletest https://github.com/google/googletest a7f443b80b105f940225332ed3c31f2790092f47
 googlebenchmark https://github.com/google/benchmark 378fe693a1ef51500db21b11ff05a8018c5f0e55