METHOD OF MAKING A CANDIDATE PASSPHRASE FOR ONLINE SERVICE AND SERVER OF MAKING A CANDIDATE PASSPHRASE

摘要

A kind of generation candidate password idiom includes: a step for online service embodiment according to the present invention, generates server request in candidate password idiom to generate candidate password idiom from user terminal; One step generates server Stochastic Choice Problems in the database that problem is stored in server in the candidate password idiom; One step generates the two or more problems of server random selection in the candidate password idiom and is involved in the problems, such as selection; One step generates server in the candidate password idiom and sends selected problem to user terminal; One step carrys out the signal of user terminal in the answer that candidate password idiom generation server receives selected problem; One step generates server in the candidate password idiom and determines whether there is a problem, in the answer received; One step generates server generation candidate password idiom in the candidate password idiom and passes through the answer received described in combination; One step generates sufficiently big in the candidate password idiom that the candidate password idiom generates server quantification; With a step, server is generated in the candidate password idiom and sends the candidate password idiom generated to user terminal. When user is attacked using online service, the present invention prevents malicious user from password is easily found, and influences other online services to significantly decrease injury. Online service is registered in these users plan can facilitate these the easy memories of generation security password idiom, sufficiently long time, and difference service, to improve security level. ;The 2015 of copyright KIPO submissions