Drop support for ruby 2.3

(reached EOL on 2019-04-01)

.rubocop.yml

@@ -10,7 +10,7 @@ AllCops:
   # file, we wouldn't have to specify this (https://bit.ly/2vNTsue), but we
   # don't commit that file because that would interfere with testing multiple
   # rubies on CI.
-  TargetRubyVersion: 2.3
+  TargetRubyVersion: 2.4
 
 # Please use normal indentation when aligning parameters.
 #

.rubocop_todo.yml

@@ -31,3 +31,10 @@ Style/MissingRespondToMissing:
 Style/TrivialAccessors:
   Exclude:
     - 'lib/authlogic/session/base.rb'
+
+Style/UnpackFirst:
+  Exclude:
+    - lib/authlogic/crypto_providers/md5/v2.rb
+    - lib/authlogic/crypto_providers/sha1/v2.rb
+    - lib/authlogic/crypto_providers/sha256/v2.rb
+    - lib/authlogic/crypto_providers/sha512/v2.rb

.travis.yml

@@ -25,8 +25,8 @@ env:
 # We only test the oldest and the newest ruby versions that we support. We
 # do not test intermediate versions.
 rvm:
-  - 2.3.8
-  - 2.6.1
+  - 2.4.9
+  - 2.7.0
 
 # We only test living versions of rails, per the [rails maintenance
 # policy](http://guides.rubyonrails.org/maintenance_policy.html)
@@ -37,7 +37,7 @@ gemfile:
 matrix:
   exclude:
     # rails 6 requires ruby >= 2.5.0
-    - rvm: 2.3.8
+    - rvm: 2.4.9
       gemfile: gemfiles/rails_6.0.rb
   fast_finish: true
 

CHANGELOG.md

@@ -35,6 +35,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
   * [#697](https://github.com/binarylogic/authlogic/issues/697) - Add V2
     CryptoProviders for MD5 and SHA schemes that fix key stretching by hashing
     the byte digests instead of the hex strings representing those digests
+* Dependencies
+  * Drop support for ruby 2.3 (reached EOL on 2019-04-01)
 
 ## Previous major version
 

authlogic.gemspec

@@ -22,7 +22,7 @@ require "authlogic/version"
   s.summary = "An unobtrusive ruby authentication library based on ActiveRecord."
   s.license = "MIT"
 
-  s.required_ruby_version = ">= 2.3.0"
+  s.required_ruby_version = ">= 2.4.0"
 
   # See doc/rails_support_in_authlogic_5.0.md
   s.add_dependency "activemodel", [">= 5.2", "< 6.1"]