C = require('./const').openpgp.public_key_algorithms
{RSA} = require './rsa'
{DSA} = require './dsa'
{ElGamal} = require './elgamal'
{ECDSA} = require './ecc/ecdsa'
{ECDH} = require './ecc/ecdh'
{EDDSA} = require './ecc/eddsa'

#============================================================

get_class = (n) ->
  switch n
    when C.RSA, C.RSA_ENCRYPT_ONLY, C.RSA_SIGN_ONLY then RSA
    when C.ELGAMAL then ElGamal
    when C.DSA then DSA
    when C.ECDSA then ECDSA
    when C.ECDH then ECDH
    when C.EDDSA then EDDSA
    else throw new Error "unknown public key system: #{n}"

#============================================================

module.exports = { get_class, RSA, DSA, ElGamal }