Identity verification method and identity verification device

• Main Authors: TANG YANPING, FU XIAOQIANG, CHEN HUI, CHEN YUANBIN, ZHANG DONGRUI, SONG LIANGSHAN
• Format: Patent
• Language: English
• Published: 03.02.2016
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The invention provides an identity verification method and an identity verification device, which are low-cost, highly anti-cracking and highly safe. The method comprises the following steps that: a server receives a verification code pull request transmitted by a user terminal; the server randomly selects one verification code background picture according to the verification code pull request, and obtains a plurality of sub-pictures, a first splicing rule and a second splicing rule corresponding to the verification code background picture; according to a position and a rotation angle corresponding to each sub-picture in the first splicing rule, the server splices the plurality of sub-pictures in a plurality of vacant areas; the server issues the verification code background picture spliced with the plurality of sub-pictures to the user terminal to make the user terminal show the verification code background picture spliced with the plurality of sub-pictures to a user; and the server receives a splicing result of the verification code background picture and the plurality of sub-pictures, spliced again according to instructions of the user, from the user terminal, and performs verification according to the splicing result.