PATENT CLAIM ANALYSIS

Application Number: 16180012
Application Type: Utility
Filing Date: 2018-11
Publication Date: 2019-03
Patent Classification: ["713", "158000"]

Abstract:
A method and apparatus are presented for revoking cryptographic keys within a distributed ledger system in which no central trusted authority is available. A key revocation message is sent by a network connected device to other network connected devices over a peer-to-peer network for inclusion in a ledger. In one embodiment the revocation message is signed using a private key of a public/private key pair to be revoked. In another embodiment an authorization for future revocation of the public/private key pair by a plurality of other public/private keys is sent for inclusion in the ledger, and subsequently the key revocation message is signed with one of the private keys of the plurality of public/private key pairs before sending the key revocation message. Once a valid key revocation message is included in the ledger, any future request to include a message signed by a revoked cryptographic key revoked by the valid key revocation message is rejected.

Claim (Index 2):
The method of  claim 1 , wherein the data message further comprises a signature of all or part of the data message, said signature generated using a second private key of a second public/private key pair.

Metadata:
- Claim Count in Document: 15.0
- Percentile: 98.0
- Lexical Diversity: 2.38235
- Patent Class: 713.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['15149089', '16180029', '15270984', '14981803', '15449989']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.4882289025203452
- 35 USC 102 Novelty (BERT): 0.621192659234277
- Combined Prediction Score: 0.5015252781917383
- Mean Citation Score: 422.84176800000006
- Max Citation Score: 550.09515
- Similarity Product: 548.4213766387223

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 0
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test