class Net::SSH::Transport::CipherFactory

def self.supported?(name)

and false otherwise.
Returns true if the underlying OpenSSL library supports the given cipher,

def self.supported?(name)
  return true if SSH_TO_CLASS.key?(name)
  ossl_name = SSH_TO_OSSL[name] or raise NotImplementedError, "unimplemented cipher `#{name}'"
  return true if ossl_name == "none"
  return SSH_TO_CLASS.key?(name) || OpenSSL::Cipher.ciphers.include?(ossl_name)
end

Class Methods