Introduced `ActiveSupport::Digest` that allows to specify hash function implementation

and defaults to `Digest::MD5`.

Replaced calls to `::Digest::MD5.hexdigest` with calls to `ActiveSupport::Digest.hexdigest`.

2 files changed, 2 insertions, 3 deletions

diff --git a/activesupport/lib/active_support/cache/file_store.rb b/activesupport/lib/active_support/cache/file_store.rb
index 0812cc34c7..a0f44aac0f 100644
--- a/activesupport/lib/active_support/cache/file_store.rb
+++ b/activesupport/lib/active_support/cache/file_store.rb
@@ -121,7 +121,7 @@ module ActiveSupport
           fname = URI.encode_www_form_component(key)
 
           if fname.size > FILEPATH_MAX_SIZE
-            fname = Digest::MD5.hexdigest(key)
+            fname = ActiveSupport::Digest.hexdigest(key)
           end
 
           hash = Zlib.adler32(fname)
diff --git a/activesupport/lib/active_support/cache/mem_cache_store.rb b/activesupport/lib/active_support/cache/mem_cache_store.rb
index 50f072388d..df8bc8e43e 100644
--- a/activesupport/lib/active_support/cache/mem_cache_store.rb
+++ b/activesupport/lib/active_support/cache/mem_cache_store.rb
@@ -7,7 +7,6 @@ rescue LoadError => e
   raise e
 end
 
-require "digest/md5"
 require "active_support/core_ext/marshal"
 require "active_support/core_ext/array/extract_options"
 
@@ -183,7 +182,7 @@ module ActiveSupport
           key = super.dup
           key = key.force_encoding(Encoding::ASCII_8BIT)
           key = key.gsub(ESCAPE_KEY_CHARS) { |match| "%#{match.getbyte(0).to_s(16).upcase}" }
-          key = "#{key[0, 213]}:md5:#{Digest::MD5.hexdigest(key)}" if key.size > 250
+          key = "#{key[0, 213]}:md5:#{ActiveSupport::Digest.hexdigest(key)}" if key.size > 250
           key
         end