# US 2014/0157374 A1 · Communication terminal, communication method, program, and communication system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0157374 A1 - Document ID: US20140157374A1 - Status: Published application - Kind: A1 - Application number: 14/089,132 - Filed: 2013-11-25 - Published: 2014-06-05 - Earliest claimed: 2012-12-03 - Assignees: FeliCa Networks, Inc. - Applicants: Felica Networks, Inc. - Inventors: Shinichi Kato; Michihiro Kuromoto - Web page: https://patentgrep.com/patent/US20140157374A1 ## CPC - H04L 63/083: {using passwords (cryptographic mechanisms or cryptographic arrangements for entity authentication using a predetermined code H04L9/3226)} - G06Q 20/20: Point-of-sale [POS] network systems - G06Q 20/388: {using mutual authentication without cards, e.g. challenge-response} - H04L 63/0428: {wherein the data content is protected, e.g. by encrypting or encapsulating the payload} - H04L 63/06: {for supporting key management in a packet data network (cryptographic mechanisms or cryptographic arrangements for key management H04L9/08)} - H04L 63/0853: {using an additional device, e.g. smartcard, SIM or a different communication terminal (cryptographic mechanisms or cryptographic arrangements for entity authentication involving additional secure or trusted devices H04L9/3234)} - H04L 63/0884: {by delegation of authentication, e.g. a proxy authenticates an entity to be authenticated on behalf of this entity vis-à-vis an authentication entity} - H04L 63/107: {wherein the security policies are location-dependent, e.g. entities privileges depend on current location or allowing specific operations only from locally connected terminals} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - G06Q: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR ## Abstract There is provided a communication terminal including a transmission controller configured to allow transmission of, to a verification target device, authentication information for authenticating the verification target device based on first information acquired from an information processing device, and a verification unit configured to verify validity of the verification target device based on a response to the authentication information and second information acquired from the information processing device, the second information being associated with the first information. ## Claims ### Claim 1 A communication terminal comprising: a transmission controller configured to allow transmission of, to a verification target device, authentication information for authenticating the verification target device based on first information acquired from an information processing device; and a verification unit configured to verify validity of the verification target device based on a response to the authentication information and second information acquired from the information processing device, the second information being associated with the first information. ### Claim 2 (depends on 1) The communication terminal according to claim 1, wherein the first information and the second information each have a limitation on at least one of a number and a period of usage. ### Claim 3 (depends on 2) The communication terminal according to claim 2, wherein the first information and the second information are recorded on a non-tamper-resistant recording medium. ### Claim 4 (depends on 2) The communication terminal according to claim 2, wherein the first information and the second information are recorded on a tamper-resistant recording medium. ### Claim 5 (depends on 1) The communication terminal according to claim 1, wherein the first information is one or more random numbers and the second information is information associated with the one or more random numbers. ### Claim 6 (depends on 1) The communication terminal according to claim 1, wherein the first information is information containing encryption information obtained by encryption of authentication basic information by use of a common key, and identification information of the common key, and the second information is encryption information obtained by encryption of information by use of the common key, the information being converted from the authentication basic information. ### Claim 7 (depends on 1) The communication terminal according to claim 1, wherein, when the verification unit verifies that the verification target device is authorized, the transmission controller allows the information processing device to transmit information for executing predetermined processing to the verification target device. ### Claim 8 (depends on 7) The communication terminal according to claim 7, wherein, when the verification unit verifies that the verification target device is unauthorized, the transmission controller does not allow transmission of the information for executing predetermined processing to the verification target device. ### Claim 9 (depends on 7) The communication terminal according to claim 7, wherein, when the verification unit verifies that the verification target device is unauthorized, the transmission controller allows transmission of reporting information for reporting a verification result of the verification target device to an external device. ### Claim 10 (depends on 9) The communication terminal according to claim 9, wherein the reporting information contains at least one of position information of the communication terminal, a life log, and an image captured by the communication terminal. ### Claim 11 (depends on 7) The communication terminal according to claim 7, further comprising: a display unit configured to notify a user of the communication terminal about a verification result of the verification target device when the verification unit verifies that the verification target device is unauthorized. ### Claim 12 (depends on 1) The communication terminal according to claim 1, wherein the verification target device is a relaying device configured to relay between the communication terminal and the information processing device, wherein the verification target device and the communication terminal are configured to communicate with each other by use of a first session key, wherein the information processing device and the verification target device are configured to communicate with each other by use of a second session key, and wherein the first session key is different from the second session key. ### Claim 13 (depends on 1) The communication terminal according to claim 1, wherein the verification target device and the communication terminal are configured to communicate with each other by use of a first session key, wherein the information processing device and the verification target device are configured to communicate with each other by use of a second session key, and wherein the first session key is same as the second session key. ### Claim 14 (depends on 12) The communication terminal according to claim 12, wherein the first session key is associated with the first information and the second information. ### Claim 15 A communication method comprising: allowing transmission of, to a verification target device, authentication information for authenticating the verification target device based on first information acquired from an information processing device; and verifying validity of the verification target device based on a response to the authentication information and second information acquired from the information processing device, the second information being associated with the first information. ### Claim 16 A communication method comprising: allowing, by a communication terminal, transmission of, to a verification target device, authentication information for authenticating the verification target device based on first information acquired from an information processing device; verifying, by the communication terminal, validity of the verification target device based on a response to the authentication information and second information acquired from the information processing device, the second information being associated with the first information; allowing, by the communication terminal, the information processing device to transmit information for executing predetermined processing to the verification target device when it is verified that the verification target device is authorized; and allowing, by the verification target device, transmission of the information for executing predetermined processing to the information processing device. ### Claim 17 A program for causing a computer to function as: a transmission controller configured to allow transmission of, to a verification target device, authentication information for authenticating the verification target device based on first information acquired from an information processing device; and a verification unit configured to verify validity of the verification target device based on a response to the authentication information and second information acquired from the information processing device, the second information being associated with the first information. ### Claim 18 A communication system comprising: a communication terminal; a verification target device; and an information processing device, wherein the communication terminal includes, a transmission controller configured to allow transmission of, to the verification target device, authentication information for authenticating the verification target device based on first information acquired from the information processing device; and a verification unit configured to verify validity of the verification target device based on a response to the authentication information by the verification target device and second information acquired from the information processing device, the second information being associated with the first information, wherein the transmission controller allows the information processing device to transmit information for executing predetermined processing to the verification target device when the verification unit verifies that the verification target device is authorized, and wherein the verification target device includes, a transmission controller configured to allow transmission of the information for executing predetermined processing to the information processing device. ### Claim 19 A communication system comprising: a communication terminal; a verification target device; and an information processing device, wherein the communication terminal includes, a transmission controller configured to allow transmission of, to the verification target device, authentication information for authenticating the verification target device based on first information acquired from the information processing device; and a verification unit configured to verify validity of the verification target device based on a response to the authentication information by the information processing device and second information acquired from the information processing device, the second information being associated with the first information, wherein the transmission controller allows the information processing device to transmit information for executing predetermined processing to the verification target device when the verification unit verifies that the verification target device is authorized, and wherein the verification target device includes, a transmission controller configured to allow transmission of the authentication information and the information for executing predetermined processing to the information processing device.