# File lib/net/ssh/transport/cipher_factory.rb, line 66
66:     def self.get_lengths(name)
67:       ossl_name = SSH_TO_OSSL[name]
68:       return [0, 0] if ossl_name.nil? || ossl_name == "none"
69: 
70:       cipher = OpenSSL::Cipher::Cipher.new(ossl_name)
71:       key_len = KEY_LEN_OVERRIDE[name] || cipher.key_len
72:       cipher.key_len = key_len
73:       
74:       return [key_len, ossl_name=="rc4" ? 8 : cipher.block_size]
75:     end