2FA authentication with QR on HMD
A method is provided for displaying confidential information, such as a cash-card secret code and/or a credit-card secret code. If the information transmitted to a service facility matches the information deposited there, the confidential information is displayed on a display device arranged on a user's head.
1. A method for displaying confidential information, having the following steps:
supplying authentication information to a user by mail;
reading in the authentication information with a recording unit of a display device arranged on a head or a recording unit of a mobile radio device;
transmitting identification information associated with the display device arranged on the head or the mobile radio device and the read-in authentication information to a service facility via an over-the-air interface, with the identification information and the read-in authentication information being known to the service facility before the authentication information is supplied;
transmitting the confidential information to the display device arranged on the head or to the mobile radio device via the over-the-air interface if the identification information and the authentication information match the identification information stored at the service facility and the authentication information, and
displaying the confidential information on the display device arranged on the head or on the mobile radio device;
wherein the identification information is information negotiated with the service facility and a mobile telephone number associated with the display device, in particular a Mobile Station International Directory Number (MSISDN); and
wherein the confidential information is an access password, and/or a cash-card secret code, a debit-card secret code and/or a credit-card secret code.
2. The method according to claim 1 , wherein the authentication information is supplied electronically by email, and/or by mail.
3. The method according claim 1 , wherein the authentication information is a multi-digit number, and/or an optoelectronically readable code.
4. The method according to claim 1 , wherein the recording unit of the display device arranged on the head or the recording unit of the mobile radio device is configured as a camera device.
5. The method according to claim 1 , wherein the mobile telephone number is associated with the display device via a mobile telephone coupled with the display device.
6. The method according to claim 5 , wherein the display device is coupled with the mobile telephone via short-wavelength UHF radio, infrared and/or wireless LAN.
7. The method according to claim 1 , wherein the service facility is a mobile network operator, a financial institution and/or a credit-card company.
8. The method according to claim 1 , wherein the display device ascertains, before displaying the confidential information, whether the display device is arranged on a user's head; and
wherein the display device is prevented from displaying the confidential information until the display device is arranged on the user's head.
9. A method for displaying confidential information, having the following steps:
supplying authentication information to a user by mail;
reading in the authentication information with a recording unit of a display device or a recording unit of a mobile radio device;
transmitting identification information associated with the display device or the mobile radio device and the read-in authentication information to a service facility via an over-the-air interface, with the identification information and the read-in authentication information being known to the service facility before the authentication information is supplied;
transmitting the confidential information to the display device or to the mobile radio device via the over-the-air interface if the identification information and the authentication information match the identification information stored at the service facility and the authentication information;
determining whether the display device is mounted on a user's head; and
displaying the confidential information on the display device arranged on the user's head or on the mobile radio device;
wherein the display device is prevented from displaying the confidential information until the display device is arranged on the user's head;
wherein the confidential information is an access password, and/or a cash-card secret code, a debit-card secret code and/or a credit-card secret code.