| 摘要 |
The present invention relates to an affixal device for a one time code by using sound. According to the present invention, the coining type single-use code device including a sound output unit, comprises: a generation unit for dynamically generating a single-use code in a specified structure according to a specified code generation rule; a coding unit for generating sound data by coding the generated single-use code according to a specified sound encryption rule; and an output unit for outputting the sound data in which the single-use code is coded through the sound output unit. |
