Protecting sensitive information using a trusted device
US9654452B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2014 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | Nov 11, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/083
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The invention relates to information processing field, and discloses a method for protecting sensitive information, comprising: receiving first information transmitted by an untrusted device, where the first information enables the sensitive information to be transmitted from a trusted device to a server; receiving the sensitive information input by a user; generating second information based on the first information and the sensitive information; encrypting at least the sensitive information in the second information with a first secret key, wherein the first secret key meets one of the following: the untrusted device does not know the first secret key; and the untrusted device knows the first secret key but is unable use the first secret key to decrypt the encrypted sensitive information; and transmitting the second information containing the encrypted sensitive information to the untrusted device for forwarding to the server indicated by the first information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.