CREATE TABLE `#DB_MAIN_PREFIX#openid_association` (
  `idp_endpoint_uri` varchar(255) NOT NULL COMMENT 'Primary Key: URI of the OpenID Provider endpoint.',
  `assoc_handle` varchar(255) NOT NULL COMMENT 'Used to refer to this association in subsequent messages.',
  `assoc_type` varchar(32) DEFAULT NULL COMMENT 'The signature algorithm used: one of HMAC-SHA1 or HMAC-SHA256.',
  `session_type` varchar(32) DEFAULT NULL COMMENT 'Valid association session types: "no-encryption", "DH-SHA1", and "DH-SHA256".',
  `mac_key` varchar(255) DEFAULT NULL COMMENT 'The MAC key (shared secret) for this association.',
  `created` int(11) NOT NULL DEFAULT '0' COMMENT 'UNIX timestamp for when the association was created.',
  `expires_in` int(11) NOT NULL DEFAULT '0' COMMENT 'The lifetime, in seconds, of this association.',
  PRIMARY KEY (`idp_endpoint_uri`),
  UNIQUE KEY `assoc_handle` (`assoc_handle`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='Stores temporary shared key association information for...';