# File lib/net/ssh/transport/cipher_factory.rb, line 94
 94:     def self.get_lengths(name)
 95:       ossl_name = SSH_TO_OSSL[name]
 96:       return [0, 0] if ossl_name.nil? || ossl_name == "none"
 97: 
 98:       cipher = OpenSSL::Cipher::Cipher.new(ossl_name)
 99:       key_len = KEY_LEN_OVERRIDE[name] || cipher.key_len
100:       cipher.key_len = key_len
101:       
102:       return [key_len, ossl_name=="rc4" ? 8 : cipher.block_size]
103:     end