code: function _rsapem_readPrivateKeyFromASN1HexString(keyHex) {
    var a = _rsapem_getHexValueArrayOfChildrenFromHex(keyHex);
    this.setPrivateEx(a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
  }
docs: read RSA private key from a ASN.1 hexadecimal string
  @name readPrivateKeyFromASN1HexString
  @memberOf RSAKey#
  @function
  @param {String} keyHex ASN.1 hexadecimal string of PKCS#1 private key.
  @since 1.1.1