Class: S7::Key

Inherits:
Object
  • Object
show all
Defined in:
lib/s7/key.rb

Overview

暗号化用のキーを表現する。

Direct Known Subclasses

Md5Key, Sha1Key

Constant Summary collapse

@@key_classes = 
{}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(passphrase) ⇒ Key

Returns a new instance of Key.



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# File 'lib/s7/key.rb', line 29

def initialize(passphrase)
  @key = OpenSSL::Digest.digest(hash_type, passphrase)
  @length = @key.length
end

Instance Attribute Details

#key ⇒ Object (readonly)

Returns the value of attribute key.



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# File 'lib/s7/key.rb', line 26

def key
  @key
end

#length ⇒ Object (readonly)

Returns the value of attribute length.



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# File 'lib/s7/key.rb', line 27

def length
  @length
end

Class Method Details

.create_instance(type, passphrase) ⇒ Object 



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# File 'lib/s7/key.rb', line 11

def create_instance(type, passphrase)
  return @@key_classes[type].new(passphrase)
end