Patent ID: 11874936
Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 9:
10. An administration server comprising:
a network interface;
a provisioning module coupled to the network interface and to provision each of a plurality of printing devices with a respective private cryptographic key;
a key store memory to store public cryptographic keys corresponding to the respective private cryptographic keys provisioned to the plurality of printing devices;
a cryptographic key module to generate a first group public cryptographic key associated with a first subset of printing devices based on the stored public cryptographic keys corresponding to the respective private cryptographic keys provisioned to the first subset of printing devices; and
a key distribution module coupled to the network interface and to cause the network interface to transmit the first group public key to a user.