Patent ID: 11902283
Assignee: PASSLOGY CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 4:
5. The transaction system according to claim 1, wherein through a browser program running on the first terminal, the user sends the login request, inputs the transaction information, and inputs the answer,
the server ciphers the notice with an encryption key associated with the second terminal and generates a character string code, a one-dimensional code, or a two-dimensional code associated with the ciphered notice,
the server presents the previously generated code to the user through a first screen of the first terminal through the browser program running on the first terminal, and
the second terminal captures the presented code from the first screen and deciphers the notice from the captured code with a decryption key associated with the second terminal such that a Man In The Browser (MITB) program running in the browser program cannot decipher the notice.