Ruby 1.9.2 リファレンスマニュアル > ライブラリ一覧 > digest/sha2ライブラリ > Digest::SHA256クラス

class Digest::SHA256

クラスの継承リスト: Digest::SHA256 < Digest::Base < Digest::Instance < Digest::Class < Object < Kernel < BasicObject

要約

FIPS PUB 180-2に記述されているNIST (the US' National Institute of Standards and Technology) の SHA-256 Secure Hash Algorithmを 実装するクラス。

継承したメソッド

! != << == block_length clone digest digest! digest_length file hexdigest hexdigest! reset .digest .file .hexdigest .new === =~ __id__ __send__ _dump class dclone display enum_for eql? equal? extend freeze frozen? hash initialize initialize_copy inspect instance_eval instance_exec instance_of? instance_variable_defined? instance_variable_get instance_variable_set instance_variables is_a? marshal_dump marshal_load method method_missing methods must_be must_be_close_to must_be_empty must_be_instance_of must_be_kind_of must_be_nil must_be_same_as must_be_within_epsilon must_equal must_include must_match must_raise must_respond_to must_send must_throw nil? pretty_inspect pretty_print pretty_print_cycle pretty_print_inspect pretty_print_instance_variables private_methods protected_methods public_methods remove_instance_variable respond_to? respond_to_missing? singleton_class singleton_method_added singleton_method_removed singleton_method_undefined singleton_methods taint tainted? tap to_a to_ary to_hash to_int to_io to_proc to_regexp to_str to_yaml to_yaml_properties to_yaml_style trust untaint untrust untrusted? wont_be wont_be_close_to wont_be_empty wont_be_instance_of wont_be_kind_of wont_be_nil wont_be_same_as wont_be_within_epsilon wont_equal wont_include wont_match wont_respond_to