US 11,968,315 B2
System and method for establishing dynamic trust credentials for network functions
Vinod Kumar Choyi, Conshohocken, PA (US); Sudhakar Reddy Patil, Flower Mound, TX (US); and Jayesh Kumar Laad, Ashland, MA (US)
Assigned to Verizon Patent and Licensing Inc., Basking Ridge, NJ (US)
Filed by Verizon Patent and Licensing Inc., Basking Ridge, NJ (US)
Filed on Nov. 9, 2022, as Appl. No. 18/053,899.
Application 18/053,899 is a continuation of application No. 16/842,060, filed on Apr. 7, 2020, granted, now 11,522,721.
Prior Publication US 2023/0064698 A1, Mar. 2, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 29/06 (2006.01); G06F 9/455 (2018.01); G06F 21/44 (2013.01); H04L 9/00 (2022.01); H04L 9/32 (2006.01)
CPC H04L 9/3268 (2013.01) [G06F 9/455 (2013.01); G06F 21/44 (2013.01); H04L 9/006 (2013.01); H04L 9/3236 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
receiving, by a network function and from a virtualization infrastructure manager (VIM), a certificate request token (CRT) for the network function, wherein the CRT is digitally signed by a management function and includes:
a network address of a trust anchor platform for the network function, and
a Certificate Attribute List (CAL) with customization parameters for the network function;
submitting, by the network function and to the trust anchor platform, a certificate signing request (CSR) and the CRT, wherein the CAL customization parameters supersede parameters in the CSR; and
receiving, by the network function and based on validation of the CSR and CRT, a digital certificate from the trust anchor platform, wherein the digital certificate includes limitations consistent with the CAL customization parameters.