class method
self.key_len
Ruby on Rails edge
Since v4.2.11.3Signature
self.key_len(cipher = default_cipher)Given a cipher, returns the key length of the cipher to help generate the key of desired size
Parameters
-
cipheropt = default_cipher
Source
# File activesupport/lib/active_support/message_encryptor.rb, line 255
def self.key_len(cipher = default_cipher)
OpenSSL::Cipher.new(cipher).key_len
end
Defined in activesupport/lib/active_support/message_encryptor.rb line 255
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Defined in ActiveSupport::MessageEncryptor