PATENT CLAIM ANALYSIS

Application Number: 15890900
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-06
Patent Classification: ["380", "285000"]

Abstract:
Embodiments of the present invention disclose a key exchange method and apparatus, which relate to the communications field, and can enable user equipments establishing a D2D link to share a set of keys, and further, information security can be achieved when a user equipment transmits service data or a signaling message through a Ud interface. A network device acquires a first key, and sends a message including the first key to a second user equipment, so that the second user equipment uses, when communicating with a first user equipment by using a D2D link, the first key to protect transmitted information. Embodiments of the present invention are applicable to an exchange process of keys for protecting data on a D2D link.

Claim (Index 12):
The apparatus according to  claim 7 , wherein the transmitter is configured to send the message comprising the first key to the second user equipment by using an encrypted connection between the apparatus and the second user equipment.

Metadata:
- Claim Count in Document: 47.0
- Percentile: 88.0
- Lexical Diversity: 1.91304
- Patent Class: 380.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['11618537', '15070678', '15139749', '11776421', '11776396']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.4110192313591542
- 35 USC 102 Novelty (BERT): 0.4705845985322516
- Combined Prediction Score: 0.4169757680764639
- Mean Citation Score: 183.325652
- Max Citation Score: 188.08527
- Similarity Product: 143.09274053857328

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

Dataset: test