| 摘要 |
The present invention relates to a system and a method for user authentication by using a random number. Provided are a system and a method for user authentication using a random table, in which the random table is generated in which one of any numbers, characters, and marks is allocated to a plurality of spaces divided into columns and rows, the generated random table is simultaneously transmitted to a service provider and a user requiring user authentication in relation to the service provider, and the user authentication is conducted with a virtual password selected from the random table. |
