diff --git a/lib/vagrant/action/builtin/box_add.rb b/lib/vagrant/action/builtin/box_add.rb
index b951a805d..60ac6d597 100644
--- a/lib/vagrant/action/builtin/box_add.rb
+++ b/lib/vagrant/action/builtin/box_add.rb
@@ -527,22 +527,11 @@ module Vagrant
         end
 
         def validate_checksum(checksum_type, checksum, path)
-          checksum_klass = case checksum_type.to_sym
-          when :md5
-            Digest::MD5
-          when :sha1
-            Digest::SHA1
-          when :sha256
-            Digest::SHA2
-          else
-            raise Errors::BoxChecksumInvalidType,
-              type: checksum_type.to_s
-          end
-
-          @logger.info("Validating checksum with #{checksum_klass}")
+          @logger.info("Validating checksum with #{checksum_type}")
           @logger.info("Expected checksum: #{checksum}")
 
-          actual = FileChecksum.new(path, checksum_klass).checksum
+          actual = FileChecksum.new(path, checksum_type).checksum
+          @logger.info("Actual checksum: #{actual}")
           if actual.casecmp(checksum) != 0
             raise Errors::BoxChecksumMismatch,
               actual: actual,
diff --git a/lib/vagrant/util/downloader.rb b/lib/vagrant/util/downloader.rb
index dee2cbaca..71c06769c 100644
--- a/lib/vagrant/util/downloader.rb
+++ b/lib/vagrant/util/downloader.rb
@@ -1,12 +1,14 @@
 require "uri"
 
 require "log4r"
+require "digest"
 require "digest/md5"
 require "digest/sha1"
 require "vagrant/util/busy"
 require "vagrant/util/platform"
 require "vagrant/util/subprocess"
 require "vagrant/util/curl_helper"
+require "vagrant/util/file_checksum"
 
 module Vagrant
   module Util
@@ -20,12 +22,6 @@ module Vagrant
       #     Vagrant/1.7.4 (+https://www.vagrantup.com; ruby2.1.0)
       USER_AGENT = "Vagrant/#{VERSION} (+https://www.vagrantup.com; #{RUBY_ENGINE}#{RUBY_VERSION}) #{ENV['VAGRANT_USER_AGENT_PROVISIONAL_STRING']}".freeze
 
-      # Supported file checksum
-      CHECKSUM_MAP = {
-        :md5 => Digest::MD5,
-        :sha1 => Digest::SHA1
-      }.freeze
-
       # Hosts that do not require notification on redirect
       SILENCED_HOSTS = [
         "vagrantcloud.com".freeze,
@@ -68,8 +64,11 @@ module Vagrant
         @location_trusted = options[:location_trusted]
         @checksums   = {
           :md5 => options[:md5],
-          :sha1 => options[:sha1]
-        }
+          :sha1 => options[:sha1],
+          :sha256 => options[:sha256],
+          :sha384 => options[:sha384],
+          :sha512 => options[:sha512]
+        }.compact
       end
 
       # This executes the actual download, downloading the source file
@@ -165,36 +164,23 @@ module Vagrant
       # @option checksums [String] :sha1 Compare SHA1 checksum
       # @return [Boolean]
       def validate_download!(source, path, checksums)
-        CHECKSUM_MAP.each do |type, klass|
-          if checksums[type]
-            result = checksum_file(klass, path)
-            @logger.debug("Validating checksum (#{type}) for #{source}. " \
-              "expected: #{checksums[type]} actual: #{result}")
-            if checksums[type] != result
-              raise Errors::DownloaderChecksumError.new(
-                source: source,
-                path: path,
-                type: type,
-                expected_checksum: checksums[type],
-                actual_checksum: result
-              )
-            end
+        checksums.each do |type, expected|
+          actual = FileChecksum.new(path, type).checksum
+          @logger.debug("Validating checksum (#{type}) for #{source}. " \
+            "expected: #{expected} actual: #{actual}")
+          if actual.casecmp(expected) != 0
+            raise Errors::DownloaderChecksumError.new(
+              source: source,
+              path: path,
+              type: type,
+              expected_checksum: expected,
+              actual_checksum: actual
+            )
           end
         end
         true
       end
 
-      # Generate checksum on given file
-      #
-      # @param digest_class [Class] Digest class to use for generating checksum
-      # @param path [String, Pathname] Path to file
-      # @return [String] hexdigest result
-      def checksum_file(digest_class, path)
-        digester = digest_class.new
-        digester.file(path)
-        digester.hexdigest
-      end
-
       def execute_curl(options, subprocess_options, &data_proc)
         options = options.dup
         options << subprocess_options
diff --git a/lib/vagrant/util/file_checksum.rb b/lib/vagrant/util/file_checksum.rb
index 0591603e7..e5e7cf715 100644
--- a/lib/vagrant/util/file_checksum.rb
+++ b/lib/vagrant/util/file_checksum.rb
@@ -10,13 +10,27 @@ end
 class FileChecksum
   BUFFER_SIZE = 1024 * 8
 
+  # Supported file checksum
+  CHECKSUM_MAP = {
+    :md5 => Digest::MD5,
+    :sha1 => Digest::SHA1,
+    :sha256 => Digest::SHA256,
+    :sha384 => Digest::SHA384,
+    :sha512 => Digest::SHA512
+  }.freeze
+
   # Initializes an object to calculate the checksum of a file. The given
   # ``digest_klass`` should implement the ``DigestClass`` interface. Note
   # that the built-in Ruby digest classes duck type this properly:
   # Digest::MD5, Digest::SHA1, etc.
   def initialize(path, digest_klass)
-    @digest_klass = digest_klass
-    @path         = path
+    if digest_klass.is_a?(Class)
+      @digest_klass = digest_klass
+    else
+      @digest_klass = load_digest(digest_klass)
+    end
+
+    @path = path
   end
 
   # This calculates the checksum of the file and returns it as a
@@ -40,6 +54,17 @@ class FileChecksum
       end
     end
 
-    return digest.hexdigest
+    digest.hexdigest
+  end
+
+  private
+
+  def load_digest(type)
+    digest = CHECKSUM_MAP[type.to_s.to_sym]
+    if digest.nil?
+      raise Errors::BoxChecksumInvalidType,
+        type: type.to_s
+    end
+    digest
   end
 end
diff --git a/plugins/commands/cloud/provider/create.rb b/plugins/commands/cloud/provider/create.rb
index 2adb6a42a..5659d3836 100644
--- a/plugins/commands/cloud/provider/create.rb
+++ b/plugins/commands/cloud/provider/create.rb
@@ -19,6 +19,12 @@ module VagrantPlugins
               o.on("-u", "--username USERNAME_OR_EMAIL", String, "Vagrant Cloud username or email address") do |u|
                 options[:username] = u
               end
+              o.on("-c", "--checksum CHECKSUM_VALUE", String, "Checksum of the box for this provider. --checksum-type option is required.") do |c|
+                options[:checksum] = c
+              end
+              o.on("-C", "--checksum-type TYPE", String, "Type of checksum used (md5, sha1, sha256, sha384, sha512). --checksum option is required.") do |c|
+                options[:checksum_type] = c
+              end
             end
 
             # Parse the options
@@ -52,16 +58,17 @@ module VagrantPlugins
             account = VagrantPlugins::CloudCommand::Util.account(org, access_token, server_url)
             box = VagrantCloud::Box.new(account, box_name, nil, nil, nil, access_token)
             cloud_version = VagrantCloud::Version.new(box, version, nil, nil, access_token)
-            provider = VagrantCloud::Provider.new(cloud_version, provider_name, nil, url, org, box_name, access_token)
+            provider = VagrantCloud::Provider.new(cloud_version, provider_name, nil, url, org, box_name,
+              access_token, nil, options[:checksum], options[:checksum_type])
 
             begin
               success = provider.create_provider
-              @env.ui.success(I18n.t("cloud_command.provider.create_success", provider:provider_name, org: org, box_name: box_name, version: version))
-              success = success.delete_if{|_, v|v.nil?}
+              @env.ui.success(I18n.t("cloud_command.provider.create_success", provider: provider_name, org: org, box_name: box_name, version: version))
+              success = success.compact
               VagrantPlugins::CloudCommand::Util.format_box_results(success, @env)
               return 0
             rescue VagrantCloud::ClientError => e
-              @env.ui.error(I18n.t("cloud_command.errors.provider.create_fail", provider:provider_name, org: org, box_name: box_name, version: version))
+              @env.ui.error(I18n.t("cloud_command.errors.provider.create_fail", provider: provider_name, org: org, box_name: box_name, version: version))
               @env.ui.error(e)
               return 1
             end
diff --git a/plugins/commands/cloud/provider/update.rb b/plugins/commands/cloud/provider/update.rb
index 897b13f2a..5febdd867 100644
--- a/plugins/commands/cloud/provider/update.rb
+++ b/plugins/commands/cloud/provider/update.rb
@@ -19,6 +19,12 @@ module VagrantPlugins
               o.on("-u", "--username USERNAME_OR_EMAIL", String, "Vagrant Cloud username or email address") do |u|
                 options[:username] = u
               end
+              o.on("-c", "--checksum CHECKSUM_VALUE", String, "Checksum of the box for this provider. --checksum-type option is required.") do |c|
+                options[:checksum] = c
+              end
+              o.on("-C", "--checksum-type TYPE", String, "Type of checksum used (md5, sha1, sha256, sha384, sha512). --checksum option is required.") do |c|
+                options[:checksum_type] = c
+              end
             end
 
             # Parse the options
@@ -52,7 +58,8 @@ module VagrantPlugins
             account = VagrantPlugins::CloudCommand::Util.account(org, access_token, server_url)
             box = VagrantCloud::Box.new(account, box_name, nil, nil, nil, access_token)
             cloud_version = VagrantCloud::Version.new(box, version, nil, nil, access_token)
-            provider = VagrantCloud::Provider.new(cloud_version, provider_name, nil, url, org, box_name, access_token)
+            provider = VagrantCloud::Provider.new(cloud_version, provider_name, nil, url, org, box_name,
+              access_token, nil, options[:checksum], options[:checksum_type])
 
             begin
               success = provider.update
diff --git a/plugins/commands/cloud/publish.rb b/plugins/commands/cloud/publish.rb
index 2583be8b5..632786e88 100644
--- a/plugins/commands/cloud/publish.rb
+++ b/plugins/commands/cloud/publish.rb
@@ -43,6 +43,12 @@ module VagrantPlugins
             o.on("-u", "--username USERNAME_OR_EMAIL", String, "Vagrant Cloud username or email address") do |u|
               options[:username] = u
             end
+            o.on("-c", "--checksum CHECKSUM_VALUE", String, "Checksum of the box for this provider. --checksum-type option is required.") do |c|
+              options[:checksum] = c
+            end
+            o.on("-C", "--checksum-type TYPE", String, "Type of checksum used (md5, sha1, sha256, sha384, sha512). --checksum option is required.") do |c|
+              options[:checksum_type] = c
+            end
           end
 
           # Parse the options
@@ -97,7 +103,8 @@ module VagrantPlugins
           account = VagrantPlugins::CloudCommand::Util.account(org, access_token, server_url)
           box = VagrantCloud::Box.new(account, box_name, nil, options[:short_description], options[:description], access_token)
           cloud_version = VagrantCloud::Version.new(box, version, nil, options[:version_description], access_token)
-          provider = VagrantCloud::Provider.new(cloud_version, provider_name, nil, options[:url], org, box_name, access_token)
+          provider = VagrantCloud::Provider.new(cloud_version, provider_name, nil, options[:url], org, box_name,
+            access_token, nil, options[:checksum], options[:checksum_type])
 
           ui = Vagrant::UI::Prefixed.new(@env.ui, "cloud")
 
diff --git a/plugins/provisioners/shell/config.rb b/plugins/provisioners/shell/config.rb
index 18a9f1ebd..74a74cf13 100644
--- a/plugins/provisioners/shell/config.rb
+++ b/plugins/provisioners/shell/config.rb
@@ -7,6 +7,9 @@ module VagrantPlugins
       attr_accessor :path
       attr_accessor :md5
       attr_accessor :sha1
+      attr_accessor :sha256
+      attr_accessor :sha384
+      attr_accessor :sha512
       attr_accessor :env
       attr_accessor :upload_path
       attr_accessor :args
@@ -26,6 +29,9 @@ module VagrantPlugins
         @path                  = UNSET_VALUE
         @md5                   = UNSET_VALUE
         @sha1                  = UNSET_VALUE
+        @sha256                = UNSET_VALUE
+        @sha384                = UNSET_VALUE
+        @sha512                = UNSET_VALUE
         @env                   = UNSET_VALUE
         @upload_path           = UNSET_VALUE
         @privileged            = UNSET_VALUE
@@ -45,6 +51,9 @@ module VagrantPlugins
         @path                 = nil if @path == UNSET_VALUE
         @md5                  = nil if @md5 == UNSET_VALUE
         @sha1                 = nil if @sha1 == UNSET_VALUE
+        @sha256               = nil if @sha256 == UNSET_VALUE
+        @sha384               = nil if @sha384 == UNSET_VALUE
+        @sha512               = nil if @sha512 == UNSET_VALUE
         @env                  = {}  if @env == UNSET_VALUE
         @upload_path          = "/tmp/vagrant-shell" if @upload_path == UNSET_VALUE
         @privileged           = true if @privileged == UNSET_VALUE
diff --git a/plugins/provisioners/shell/provisioner.rb b/plugins/provisioners/shell/provisioner.rb
index 4b7cd0507..8175d82b7 100644
--- a/plugins/provisioners/shell/provisioner.rb
+++ b/plugins/provisioners/shell/provisioner.rb
@@ -253,7 +253,10 @@ module VagrantPlugins
               config.path,
               download_path,
               md5: config.md5,
-              sha1: config.sha1
+              sha1: config.sha1,
+              sha256: config.sha256,
+              sha384: config.sha384,
+              sha512: config.sha512
             ).download!
             ext    = File.extname(config.path)
             script = download_path.read
diff --git a/test/unit/plugins/commands/cloud/provider/create_test.rb b/test/unit/plugins/commands/cloud/provider/create_test.rb
index 770b88ee6..841f2cc1d 100644
--- a/test/unit/plugins/commands/cloud/provider/create_test.rb
+++ b/test/unit/plugins/commands/cloud/provider/create_test.rb
@@ -48,7 +48,7 @@ describe VagrantPlugins::CloudCommand::ProviderCommand::Command::Create do
 
     it "creates a provider" do
       allow(VagrantCloud::Provider).to receive(:new).
-        with(version, "virtualbox", nil, nil, "vagrant", "box-name", client.token).
+        with(version, "virtualbox", nil, nil, "vagrant", "box-name", client.token, nil, nil, nil).
         and_return(provider)
 
       expect(VagrantPlugins::CloudCommand::Util).to receive(:format_box_results)
@@ -59,7 +59,7 @@ describe VagrantPlugins::CloudCommand::ProviderCommand::Command::Create do
 
     it "displays an error if encoutering a problem with the request" do
       allow(VagrantCloud::Provider).to receive(:new).
-        with(version, "virtualbox", nil, nil, "vagrant", "box-name", client.token).
+        with(version, "virtualbox", nil, nil, "vagrant", "box-name", client.token, nil, nil, nil).
         and_return(provider)
 
       allow(provider).to receive(:create_provider).
@@ -73,7 +73,7 @@ describe VagrantPlugins::CloudCommand::ProviderCommand::Command::Create do
 
     it "creates a provider" do
       allow(VagrantCloud::Provider).to receive(:new).
-        with(version, "virtualbox", nil, "https://box.com/box", "vagrant", "box-name", client.token).
+        with(version, "virtualbox", nil, "https://box.com/box", "vagrant", "box-name", client.token, nil, nil, nil).
         and_return(provider)
 
       expect(VagrantPlugins::CloudCommand::Util).to receive(:format_box_results)
diff --git a/test/unit/plugins/commands/cloud/provider/update_test.rb b/test/unit/plugins/commands/cloud/provider/update_test.rb
index 0a03d61c3..8d2727919 100644
--- a/test/unit/plugins/commands/cloud/provider/update_test.rb
+++ b/test/unit/plugins/commands/cloud/provider/update_test.rb
@@ -48,7 +48,7 @@ describe VagrantPlugins::CloudCommand::ProviderCommand::Command::Update do
 
     it "updates a provider" do
       allow(VagrantCloud::Provider).to receive(:new).
-        with(version, "virtualbox", nil, nil, "vagrant", "box-name", client.token).
+        with(version, "virtualbox", nil, nil, "vagrant", "box-name", client.token, nil, nil, nil).
         and_return(provider)
 
       expect(VagrantPlugins::CloudCommand::Util).to receive(:format_box_results)
@@ -59,7 +59,7 @@ describe VagrantPlugins::CloudCommand::ProviderCommand::Command::Update do
 
     it "displays an error if encoutering a problem with the request" do
       allow(VagrantCloud::Provider).to receive(:new).
-        with(version, "virtualbox", nil, nil, "vagrant", "box-name", client.token).
+        with(version, "virtualbox", nil, nil, "vagrant", "box-name", client.token, nil, nil, nil).
         and_return(provider)
 
       allow(provider).to receive(:update).
@@ -73,7 +73,7 @@ describe VagrantPlugins::CloudCommand::ProviderCommand::Command::Update do
 
     it "creates a provider" do
       allow(VagrantCloud::Provider).to receive(:new).
-        with(version, "virtualbox", nil, "https://box.com/box", "vagrant", "box-name", client.token).
+        with(version, "virtualbox", nil, "https://box.com/box", "vagrant", "box-name", client.token, nil, nil, nil).
         and_return(provider)
 
       expect(VagrantPlugins::CloudCommand::Util).to receive(:format_box_results)
diff --git a/test/unit/plugins/provisioners/shell/provisioner_test.rb b/test/unit/plugins/provisioners/shell/provisioner_test.rb
index 0ae5e8a68..b117d76be 100644
--- a/test/unit/plugins/provisioners/shell/provisioner_test.rb
+++ b/test/unit/plugins/provisioners/shell/provisioner_test.rb
@@ -175,8 +175,16 @@ describe "Vagrant::Shell::Provisioner" do
   end
 
   context "with remote script" do
+    let(:filechecksum) { double("filechecksum", checksum: checksum_value) }
+    let(:checksum_value) { double("checksum_value") }
+
+    before do
+      allow(FileChecksum).to receive(:new).and_return(filechecksum)
+      allow_any_instance_of(Vagrant::Util::Downloader).to receive(:execute_curl).and_return(true)
+    end
 
     context "that does not have matching sha1 checksum" do
+      let(:checksum_value) { "INVALID_VALUE" }
       let(:config) {
         double(
           :config,
@@ -188,18 +196,97 @@ describe "Vagrant::Shell::Provisioner" do
           :binary      => false,
           :md5         => nil,
           :sha1        => 'EXPECTED_VALUE',
+          :sha256      => nil,
+          :sha384      => nil,
+          :sha512      => nil,
           :reset       => false,
           :reboot      => false
         )
       }
 
-      let(:digest){ double("digest") }
-      before do
-        allow_any_instance_of(Vagrant::Util::Downloader).to receive(:execute_curl).and_return(true)
-        allow(digest).to receive(:file).and_return(digest)
-        expect(Digest::SHA1).to receive(:new).and_return(digest)
-        expect(digest).to receive(:hexdigest).and_return('INVALID_VALUE')
+      it "should raise an exception" do
+        vsp = VagrantPlugins::Shell::Provisioner.new(machine, config)
+
+        expect{ vsp.provision }.to raise_error(Vagrant::Errors::DownloaderChecksumError)
       end
+    end
+
+    context "that does not have matching sha256 checksum" do
+      let(:checksum_value) { "INVALID_VALUE" }
+      let(:config) {
+        double(
+          :config,
+          :args        => "doesn't matter",
+          :env         => {},
+          :upload_path => "arbitrary",
+          :remote?     => true,
+          :path        => "http://example.com/script.sh",
+          :binary      => false,
+          :md5         => nil,
+          :sha1        => nil,
+          :sha256      => 'EXPECTED_VALUE',
+          :sha384      => nil,
+          :sha512      => nil,
+          :reset       => false,
+          :reboot      => false
+        )
+      }
+
+      it "should raise an exception" do
+        vsp = VagrantPlugins::Shell::Provisioner.new(machine, config)
+
+        expect{ vsp.provision }.to raise_error(Vagrant::Errors::DownloaderChecksumError)
+      end
+    end
+
+    context "that does not have matching sha384 checksum" do
+      let(:checksum_value) { "INVALID_VALUE" }
+      let(:config) {
+        double(
+          :config,
+          :args        => "doesn't matter",
+          :env         => {},
+          :upload_path => "arbitrary",
+          :remote?     => true,
+          :path        => "http://example.com/script.sh",
+          :binary      => false,
+          :md5         => nil,
+          :sha1        => nil,
+          :sha256      => nil,
+          :sha384      => 'EXPECTED_VALUE',
+          :sha512      => nil,
+          :reset       => false,
+          :reboot      => false
+        )
+      }
+
+      it "should raise an exception" do
+        vsp = VagrantPlugins::Shell::Provisioner.new(machine, config)
+
+        expect{ vsp.provision }.to raise_error(Vagrant::Errors::DownloaderChecksumError)
+      end
+    end
+
+    context "that does not have matching sha512 checksum" do
+      let(:checksum_value) { "INVALID_VALUE" }
+      let(:config) {
+        double(
+          :config,
+          :args        => "doesn't matter",
+          :env         => {},
+          :upload_path => "arbitrary",
+          :remote?     => true,
+          :path        => "http://example.com/script.sh",
+          :binary      => false,
+          :md5         => nil,
+          :sha1        => nil,
+          :sha256      => nil,
+          :sha384      => nil,
+          :sha512      => 'EXPECTED_VALUE',
+          :reset       => false,
+          :reboot      => false
+        )
+      }
 
       it "should raise an exception" do
         vsp = VagrantPlugins::Shell::Provisioner.new(machine, config)
@@ -209,6 +296,7 @@ describe "Vagrant::Shell::Provisioner" do
     end
 
     context "that does not have matching md5 checksum" do
+      let(:checksum_value) { "INVALID_VALUE" }
       let(:config) {
         double(
           :config,
@@ -220,19 +308,14 @@ describe "Vagrant::Shell::Provisioner" do
           :binary      => false,
           :md5         => 'EXPECTED_VALUE',
           :sha1        => nil,
+          :sha256      => nil,
+          :sha384      => nil,
+          :sha512      => nil,
           :reset       => false,
           :reboot      => false
         )
       }
 
-      let(:digest){ double("digest") }
-      before do
-        allow_any_instance_of(Vagrant::Util::Downloader).to receive(:execute_curl).and_return(true)
-        allow(digest).to receive(:file).and_return(digest)
-        expect(Digest::MD5).to receive(:new).and_return(digest)
-        expect(digest).to receive(:hexdigest).and_return('INVALID_VALUE')
-      end
-
       it "should raise an exception" do
         vsp = VagrantPlugins::Shell::Provisioner.new(machine, config)
 
diff --git a/test/unit/vagrant/util/downloader_test.rb b/test/unit/vagrant/util/downloader_test.rb
index 67a065cf9..25e9014d1 100644
--- a/test/unit/vagrant/util/downloader_test.rb
+++ b/test/unit/vagrant/util/downloader_test.rb
@@ -175,23 +175,19 @@ describe Vagrant::Util::Downloader do
     context "with checksum" do
       let(:checksum_expected_value){ 'MD5_CHECKSUM_VALUE' }
       let(:checksum_invalid_value){ 'INVALID_VALUE' }
-      let(:digest){ double("digest") }
+      let(:filechecksum) { double("filechecksum", checksum: checksum_value) }
+      let(:checksum_value) { double("checksum_value") }
 
-      before do
-        allow(digest).to receive(:file).and_return(digest)
-      end
+      before { allow(FileChecksum).to receive(:new).with(any_args).and_return(filechecksum) }
 
-      [Digest::MD5, Digest::SHA1].each do |klass|
+      [Digest::MD5, Digest::SHA1, Digest::SHA256, Digest::SHA384, Digest::SHA512].each do |klass|
         short_name = klass.to_s.split("::").last.downcase
 
         context "using #{short_name} digest" do
           subject { described_class.new(source, destination, short_name.to_sym => checksum_expected_value) }
 
           context "that matches expected value" do
-            before do
-              expect(klass).to receive(:new).and_return(digest)
-              expect(digest).to receive(:hexdigest).and_return(checksum_expected_value)
-            end
+            let(:checksum_value) { checksum_expected_value }
 
             it "should not raise an exception" do
               expect(subject.download!).to be(true)
@@ -199,10 +195,7 @@ describe Vagrant::Util::Downloader do
           end
 
           context "that does not match expected value" do
-            before do
-              expect(klass).to receive(:new).and_return(digest)
-              expect(digest).to receive(:hexdigest).and_return(checksum_invalid_value)
-            end
+            let(:checksum_value) { checksum_invalid_value }
 
             it "should raise an exception" do
               expect{ subject.download! }.to raise_error(Vagrant::Errors::DownloaderChecksumError)
@@ -213,13 +206,9 @@ describe Vagrant::Util::Downloader do
 
       context "using both md5 and sha1 digests" do
         context "that both match expected values" do
-          subject { described_class.new(source, destination, md5: checksum_expected_value, sha1: checksum_expected_value) }
+          let(:checksum_value) { checksum_expected_value }
 
-          before do
-            expect(Digest::MD5).to receive(:new).and_return(digest)
-            expect(Digest::SHA1).to receive(:new).and_return(digest)
-            expect(digest).to receive(:hexdigest).and_return(checksum_expected_value).exactly(2).times
-          end
+          subject { described_class.new(source, destination, md5: checksum_expected_value, sha1: checksum_expected_value) }
 
           it "should not raise an exception" do
             expect(subject.download!).to be(true)
@@ -227,12 +216,14 @@ describe Vagrant::Util::Downloader do
         end
 
         context "that only sha1 matches expected value" do
-          subject { described_class.new(source, destination, md5: checksum_invalid_value, sha1: checksum_expected_value) }
+          subject { described_class.new(source, destination, md5: checksum_expected_value, sha1: checksum_expected_value) }
+
+          let(:valid_checksum) { double("valid_checksum", checksum: checksum_expected_value) }
+          let(:invalid_checksum) { double("invalid_checksum", checksum: checksum_invalid_value) }
 
           before do
-            allow(Digest::MD5).to receive(:new).and_return(digest)
-            allow(Digest::SHA1).to receive(:new).and_return(digest)
-            expect(digest).to receive(:hexdigest).and_return(checksum_expected_value).at_least(:once)
+            allow(FileChecksum).to receive(:new).with(anything, :sha1).and_return(valid_checksum)
+            allow(FileChecksum).to receive(:new).with(anything, :md5).and_return(invalid_checksum)
           end
 
           it "should raise an exception" do
@@ -241,12 +232,14 @@ describe Vagrant::Util::Downloader do
         end
 
         context "that only md5 matches expected value" do
-          subject { described_class.new(source, destination, md5: checksum_expected_value, sha1: checksum_invalid_value) }
+          subject { described_class.new(source, destination, md5: checksum_expected_value, sha1: checksum_expected_value) }
+
+          let(:valid_checksum) { double("valid_checksum", checksum: checksum_expected_value) }
+          let(:invalid_checksum) { double("invalid_checksum", checksum: checksum_invalid_value) }
 
           before do
-            allow(Digest::MD5).to receive(:new).and_return(digest)
-            allow(Digest::SHA1).to receive(:new).and_return(digest)
-            expect(digest).to receive(:hexdigest).and_return(checksum_expected_value).at_least(:once)
+            allow(FileChecksum).to receive(:new).with(anything, :md5).and_return(valid_checksum)
+            allow(FileChecksum).to receive(:new).with(anything, :sha1).and_return(invalid_checksum)
           end
 
           it "should raise an exception" do
@@ -255,14 +248,9 @@ describe Vagrant::Util::Downloader do
         end
 
         context "that none match expected value" do
+          let(:checksum_value) { checksum_expected_value }
           subject { described_class.new(source, destination, md5: checksum_invalid_value, sha1: checksum_invalid_value) }
 
-          before do
-            allow(Digest::MD5).to receive(:new).and_return(digest)
-            allow(Digest::SHA1).to receive(:new).and_return(digest)
-            expect(digest).to receive(:hexdigest).and_return(checksum_expected_value).at_least(:once)
-          end
-
           it "should raise an exception" do
             expect{ subject.download! }.to raise_error(Vagrant::Errors::DownloaderChecksumError)
           end
diff --git a/test/unit/vagrant/util/file_checksum_test.rb b/test/unit/vagrant/util/file_checksum_test.rb
index 6812d02a9..c467238d4 100644
--- a/test/unit/vagrant/util/file_checksum_test.rb
+++ b/test/unit/vagrant/util/file_checksum_test.rb
@@ -20,4 +20,16 @@ describe FileChecksum do
     instance = described_class.new(file, Digest::SHA1)
     expect(instance.checksum).to eq("264b207c7913e461c43d0f63d2512f4017af4755")
   end
+
+  it "should support initialize with class or string" do
+    file = environment.workdir.join("file")
+    file.open("w+") { |f| f.write("HELLO!") }
+
+    %w(md5 sha1 sha256 sha384 sha512).each do |type|
+      klass = Digest.const_get(type.upcase)
+      t_i = described_class.new(file, type)
+      k_i = described_class.new(file, klass)
+      expect(t_i.checksum).to eq(k_i.checksum)
+    end
+  end
 end
diff --git a/vagrant.gemspec b/vagrant.gemspec
index 5427ba567..2ca4a6972 100644
--- a/vagrant.gemspec
+++ b/vagrant.gemspec
@@ -34,7 +34,7 @@ Gem::Specification.new do |s|
   s.add_dependency "winrm", "~> 2.1"
   s.add_dependency "winrm-fs", "~> 1.0"
   s.add_dependency "winrm-elevated", "~> 1.1"
-  s.add_dependency "vagrant_cloud", "~> 2.0.2"
+  s.add_dependency "vagrant_cloud", "~> 2.0.3"
 
   # NOTE: The ruby_dep gem is an implicit dependency from the listen gem. Later versions
   # of the ruby_dep gem impose an aggressive constraint on the required ruby version (>= 2.2.5).
diff --git a/website/source/docs/cli/box.html.md b/website/source/docs/cli/box.html.md
index aa8e74110..cfc95725b 100644
--- a/website/source/docs/cli/box.html.md
+++ b/website/source/docs/cli/box.html.md
@@ -91,7 +91,8 @@ you are not using a catalog).
   included within the catalog entry.
 
 * `--checksum-type TYPE` - The type of checksum that `--checksum` is if it
-  is specified. Supported values are currently "md5", "sha1", and "sha256".
+  is specified. Supported values are currently "md5", "sha1", "sha256",
+  "sha384", and "sha512".
 
 * `--name VALUE` - Logical name for the box. This is the value that you
   would put into `config.vm.box` in your Vagrantfile. When adding a box from
diff --git a/website/source/docs/provisioning/shell.html.md b/website/source/docs/provisioning/shell.html.md
index 1d955ad6f..218cbc3b1 100644
--- a/website/source/docs/provisioning/shell.html.md
+++ b/website/source/docs/provisioning/shell.html.md
@@ -83,6 +83,12 @@ The remainder of the available options are optional:
 
 * `sha1` (string) - SHA1 checksum used to validate remotely downloaded shell files.
 
+* `sha256` (string) - SHA256 checksum used to validate remotely downloaded shell files.
+
+* `sha384` (string) - SHA384 checksum used to validate remotely downloaded shell files.
+
+* `sha512` (string) - SHA512 checksum used to validate remotely downloaded shell files.
+
 * `sensitive` (boolean) - Marks the Hash values used in the `env` option as sensitive
   and hides them from output. By default this is "false".
 
diff --git a/website/source/docs/vagrantfile/machine_settings.html.md b/website/source/docs/vagrantfile/machine_settings.html.md
index 44402dc65..f41e93a0b 100644
--- a/website/source/docs/vagrantfile/machine_settings.html.md
+++ b/website/source/docs/vagrantfile/machine_settings.html.md
@@ -46,7 +46,7 @@ when Vagrant must download the box. If this is specified, then
 
 * `config.vm.box_download_checksum_type` (string) - The type of checksum specified
 by `config.vm.box_download_checksum` (if any). Supported values are
-currently "md5", "sha1", and "sha256".
+currently "md5", "sha1", "sha256", "sha384", and "sha512".
 
 * `config.vm.box_download_client_cert` (string) - Path to a client certificate to
 use when downloading the box, if it is necessary. By default, no client