Method checkCipher

java/com/jcraft/jsch/Session.java:2482–2494

(String cipher)

  }

  static boolean checkCipher(String cipher){
    try{
      Class c=Class.forName(cipher);
      Cipher _c=(Cipher)(c.newInstance());
      _c.init(Cipher.ENCRYPT_MODE,
              new byte[_c.getBlockSize()],
              new byte[_c.getIVSize()]);
      return true;
    }
    catch(Exception e){
      return false;
    }
  }

  private String[] checkKexes(String kexes){
    if(kexes==null || kexes.length()==0)