US 12,034,857 B2
Verification of lawful interception data
Amedeo Imbimbo, Caivano (IT); Laura Pappacena, Sarno (IT); and Pompeo Santoro, Farsta (SE)
Assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm (SE)
Appl. No. 17/259,971
Filed by TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm (SE)
PCT Filed Jul. 13, 2018, PCT No. PCT/SE2018/050766
§ 371(c)(1), (2) Date Jan. 13, 2021,
PCT Pub. No. WO2020/013742, PCT Pub. Date Jan. 16, 2020.
Prior Publication US 2021/0288813 A1, Sep. 16, 2021
Int. Cl. H04L 9/32 (2006.01); H04L 9/00 (2022.01); H04L 9/40 (2022.01)
CPC H04L 9/3236 (2013.01) [H04L 9/3247 (2013.01); H04L 63/306 (2013.01); H04L 9/50 (2022.05); H04L 2209/56 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method of managing lawful interception, LI, data in a telecommunication network, the method comprising:
setting up a permissioned blockchain among participants, said participants comprising a law enforcement agency, LEA, function, a LI mediation and delivery function, MF/DF, and a intercepting network function,
registering a smart contract in the blockchain, said smart contract comprising conditions associated with at least one of intercept related information, IRI, and call content, CC, transactions performed by the participants,
registering, in the blockchain, at least one of IRI and CC transactions performed by the participants during LI of communication between two entities in the telecommunication network,
propagating at least one of the registered IRI and CC transactions among the participants,
executing the smart contract to verify whether or not at least one of the registered IRI and CC transactions are compliant with the smart contract, and
informing the participants about whether or not at least one of the registered IRI and CC transactions are compliant with the smart contract.