US 12,470,532 B2
System and method for multi-PHY based MACsec over secure tunnels
Anbu Chezhian Gunalan, San Jose, CA (US); Chennakesava Reddy Gaddam, Bengaluru (IN); Annu Singh, Bengaluru (IN); Wanli Wu, Sunnyvale, CA (US); and SushilKumar G. Jhawar, Fremont, CA (US)
Assigned to CISCO TECHNOLOGY, INC., San Jose, CA (US)
Filed by Cisco Technology, Inc., San Jose, CA (US)
Filed on Mar. 4, 2024, as Appl. No. 18/594,727.
Claims priority of provisional application 63/616,988, filed on Jan. 2, 2024.
Prior Publication US 2025/0220008 A1, Jul. 3, 2025
Int. Cl. H04L 9/40 (2022.01)
CPC H04L 63/0485 (2013.01) [H04L 63/029 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A first electronic device, comprising:
one or more processors; and
one or more computer-readable non-transitory storage media comprising instructions that, when executed by the one or more processors, cause one or more components of the first electronic device to perform operations comprising:
receiving, by the first electronic device, a data packet;
generating, by the first electronic device, an optimized security tag based on a standard security tag by replacing an 8-byte optional secure channel identifier (SCI) of the standard security tag with 32 most significant bits of a packet number, a 2-byte MAC Security Entities (SecY) engine identifier, and a 2-byte short SCI;
encrypting, by the first electronic device, the data packet; and
transmitting, by the first electronic device, the encrypted data packet comprising the optimized security tag to a second electronic device.