RSAPrivateCrtKeyImpl(byte[] encoded) throws InvalidKeyException {
  decode(encoded);
  RSAKeyFactory.checkRSAProviderKeyLengths(n.bitLength(),e);
}

RSAPrivateCrtKeyImpl ( byte [ ] encoded ) throws InvalidKeyException { decode ( encoded ) ; RSAKeyFactory . checkRSAProviderKeyLengths ( n . bitLength ( ) , e ) ; }
construct a key from its encoding . called from newkey above .
