John Macarthur Stokes

US Patent:

20220368524, Nov 17, 2022

Filed:

Apr 12, 2022

Appl. No.:

17/658966

Inventors:

- Basking Ridge NJ, US
John M. Stokes - Yorba Linda CA, US

Assignee:

Verizon Patent and Licensing Inc. - Basking Ridge NJ

International Classification:

H04L 9/08
H04L 9/00

Abstract:

A system described herein provides for the secure maintaining and providing of information, such as public keys used in Public Key Infrastructure (“PKI”) techniques or other techniques, using a distributed ledger (e.g., “blockchain”) system with a fallback to a key escrow system. A first device may encrypt a communication using a first key, and output the encrypted communication to a second device. The first device may attempt to record a second key, that is associated with the first key, to the blockchain system, and may determine that the second key was not recorded to the blockchain system based on the attempt. The first device may output the second key to a third device based on determining that the second key was not recorded to the blockchain system. The second device may obtain the second key from the third device, and use the second key to decrypt the encrypted communication.

US Patent:

20220368546, Nov 17, 2022

Filed:

Jun 27, 2022

Appl. No.:

17/809047

Inventors:

- Basking Ridge NJ, US
John M. Stokes - Yorba Linda CA, US

Assignee:

Verizon Patent and Licensing Inc. - Basking Ridge NJ

International Classification:

H04L 9/00
H04L 9/08
H04L 51/21
H04L 51/04

Abstract:

A system described herein may provide for secure group messaging between multiple participant devices, in which two or more of the participant devices support blockchain-based techniques for the secure sharing of keys used to secure the group messaging, and in which one or more of the participant devices (e.g., a third device) do not support such techniques. A key escrow system may maintain keys associated with the third device, and the other devices of the group messaging system may retrieve such keys from the key escrow system. Such other devices may attempt to obtain keys associated with the third device from a blockchain and may retrieve such keys from the key escrow system when the retrieval from the blockchain is unsuccessful. The other devices may additionally share their respective keys to the blockchain and the key escrow system, or the key escrow system may “pull” such keys from the blockchain.

US Patent:

20220368681, Nov 17, 2022

Filed:

Jun 23, 2022

Appl. No.:

17/808330

Inventors:

- Basking Ridge NJ, US
John M. Stokes - Yorba Linda CA, US

Assignee:

Verizon Patent and Licensing Inc. - Basking Ridge NJ

International Classification:

H04L 9/40
H04L 9/00

Abstract:

A system described herein provide for the secure maintaining and providing of information, such as public keys used in Public Key Infrastructure (“PKI”) techniques or other techniques, using a secure distributed ledger (e.g., “blockchain”) system. A first entity may generate an asymmetric key pair that includes a public key and a private key, and may provide the public key, along with a key identifier, to a blockchain system for retrieval by multiple other entities. For example, the entities may be engaged in a secure group communication session, in which communications are encrypted and may be decrypted using one or more keys, including the public key. The other entities may identify the public key, as recorded to the blockchain system, based on the key identifier. Participants may be added to or removed from the secure group communication session.

US Patent:

20220368683, Nov 17, 2022

Filed:

Apr 13, 2022

Appl. No.:

17/659152

Inventors:

- Basking Ridge NJ, US
John M. Stokes - Yorba Linda CA, US

Assignee:

Verizon Patent and Licensing Inc. - Basking Ridge NJ

International Classification:

H04L 9/40
H04L 9/30

Abstract:

A system described herein provides for the secure maintaining and providing of information, such as public keys used in Public Key Infrastructure (“PKI”) techniques or other techniques, using a distributed ledger (e.g., “blockchain”) system. A first device may output a first request to a second device to establish a communication session between the first device and the second device, where the request includes a first value. The first device may receive a second request from the second device, including a second value, to establish the communication session between the first device and the second device. The first device may determine, based on a comparison of the first and second values, that the first device should initiate an establishment procedure of a blockchain associated with the communication session between the first device and the second device, and may accordingly output a blockchain establishment message to a set of devices.