Invention Grant
- Patent Title: Supply authentication via timing challenge response
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Application No.: US15368369Application Date: 2016-12-02
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Publication No.: US11027554B2Publication Date: 2021-06-08
- Inventor: Jefferson P. Ward , Stephen D. Panshin
- Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Applicant Address: US TX Houston
- Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Current Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Current Assignee Address: US TX Houston
- Agency: Hanley Flight & Zimmerman LLC
- Main IPC: H04L9/32
- IPC: H04L9/32 ; B41J2/175 ; G06F21/44 ; H04L29/06 ; G06F7/58 ; H04W12/61 ; G06Q30/00
Abstract:
In an example implementation, a print supply cartridge comprises a microcontroller to receive a timing challenge and enable authentication of the cartridge by providing a challenge response. The challenge response is provided in a challenge response time that falls within an expected time window.
Public/Granted literature
- US20170080716A1 SUPPLY AUTHENTICATION VIA TIMING CHALLENGE RESPONSE Public/Granted day:2017-03-23
Information query
