摘要:
A method for combining authentication and secret keys management mechanism in a sensor network includes the following steps: 1) pre-distribution of the secret key, which includes 1.1) the pre-distribution of the communication secret key and 1.2) the pre-distribution of the initial broadcast message authentication secret key; 2) authentication, which includes 2.1) the authentication of the node identity and 2.2) the authentication of the broadcast message; and 3) negotiation of the session secret key by the nodes.
摘要:
A method for implementing a convergent Wireless Local Area Network (WLAN) Authentication and Privacy Infrastructure (WAPI) network architecture in a local Medium Access Control (MAC) mode is provided and includes the following steps: the MAC function and WAPI function of Access Point (AP) are divided between Wireless Terminal Point (WTP) and Access Controller (AC) to construct a local MAC mode; the convergence of WAPI protocol and the convergent WLAN network architecture is implemented in the local MAC mode; the process of association and connection between Station (STA), WTP and AC is performed; the process of notification of the beginning of the execution of the WLAN Authentication Infrastructure (WAI) protocol between AC and WTP is performed; the process of the execution of the WAI protocol between STA and AC is performed; the process of notification of the end of the execution of the WAI protocol between AC and WTP is performed; the process of encrypted communication between WTP and STA is performed by use of WPI.
摘要:
The present invention discloses a method and system for secret communication between nodes in a wired Local Area Network (LAN). The method of secret communication between nodes in the wired LAN includes the following steps: 1) a sharing key is established; 2) the route probe is exchanged; 3) the data communication is classified; 4) the secret communication is processed among the nodes. According to the different communication situations among the nodes, the method of secret communication between nodes provided in the present invention can process the classification and select an appropriate secret communication strategy; compared with per-hop encryption, the calculation load of the exchange equipment is reduced, and the transmission delay of data packets is shortened; compared with the method that inter-station keys are established in pairs of nodes in order to protect the communication secret, the key number is reduced, and the key management is simplified.
摘要:
The present invention discloses a method and system for secret communication between nodes in a wired Local Area Network (LAN). The method of secret communication between nodes in the wired LAN includes the following steps: 1) a sharing key is established; 2) the route probe is exchanged; 3) the data communication is classified; 4) the secret communication is processed among the nodes. According to the different communication situations among the nodes, the method of secret communication between nodes provided in the present invention can process the classification and select an appropriate secret communication strategy; compared with per-hop encryption, the calculation load of the exchange equipment is reduced, and the transmission delay of data packets is shortened; compared with the method that inter-station keys are established in pairs of nodes in order to protect the communication secret, the key number is reduced, and the key management is simplified.
摘要:
A method for realizing a convergent Wireless Local Area Networks (WLAN) Authentication and Privacy Infrastructure (WAPI) network architecture with a split Medium Access Control (MAC) mode involves the steps: a split MAC mode for realizing WLAN Privacy Infrastructure (WPI) by a wireless terminal point is constructed through separating the MAC function and the WAPI function of the wireless access point apart to the wireless terminal point and an access controller; integration of a WAPI and a convergent WLAN network system architecture is realized under the split MAC mode that the wireless terminal point realizes WPI; the association connection process is performed among a station point, a wireless terminal point and an access controller; the process for announcing the start of performing the WLAN Authentication Infrastructure (WAI) protocol between the access controller and the wireless terminal point is performed; the process for performing the WAI protocol between the station point and the access controller is performed; the process for announcing the end of performing the WAI protocol between the access controller and the wireless terminal point is performed; the secret communication process is performed between the wireless terminal point and the station by using WPI.
摘要:
A method for realizing a convergent Wireless Local Area Networks (WLAN) Authentication and Privacy Infrastructure (WAPI) network architecture with a split Medium Access Control (MAC) mode involves the steps: a split MAC mode for realizing WLAN Privacy Infrastructure (WPI) by a wireless terminal point is constructed through separating the MAC function and the WAPI function of the wireless access point apart to the wireless terminal point and an access controller; integration of a WAPI and a convergent WLAN network system architecture is realized under the split MAC mode that the wireless terminal point realizes WPI; the association connection process is performed among a station point, a wireless terminal point and an access controller; the process for announcing the start of performing the WLAN Authentication Infrastructure (WAI) protocol between the access controller and the wireless terminal point is performed; the process for performing the WAI protocol between the station point and the access controller is performed; the process for announcing the end of performing the WAI protocol between the access controller and the wireless terminal point is performed; the secret communication process is performed between the wireless terminal point and the station by using WPI.
摘要:
A method for implementing a convergent Wireless Local Area Network (WLAN) Authentication and Privacy Infrastructure (WAPI) network architecture in a local Medium Access Control (MAC) mode is provided and includes the following steps: the MAC function and WAPI function of Access Point (AP) are divided between Wireless Terminal Point (WTP) and Access Controller (AC) to construct a local MAC mode; the convergence of WAPI protocol and the convergent WLAN network architecture is implemented in the local MAC mode; the process of association and connection between STAtion (STA), WTP and AC is performed; the process of notification of the beginning of the execution of the WLAN Authentication Infrastructure (WAI) protocol between AC and WTP is performed; the process of the execution of the WAI protocol between STA and AC is performed; the process of notification of the end of the execution of the WAI protocol between AC and WTP is performed; the process of encrypted communication between WTP and STA is performed by use of WPI.
摘要:
A method for combining authentication and secret keys management mechanism in a sensor network includes the following steps: 1) pre-distribution of the secret key, which includes 1.1) the pre-distribution of the communication secret key and 1.2) the pre-distribution of the initial broadcast message authentication secret key; 2) authentication, which includes 2.1) the authentication of the node identity and 2.2) the authentication of the broadcast message; and 3) negotiation of the session secret key by the nodes.
摘要:
A method and system for establishing a secure connection between stations are disclosed. The method includes that: 1) a switch device receives an inter-station key request packet sent by a first user terminal; 2) the switch device generates an inter-station key, constructs an inter-station key announcement packet and sends it to a second user terminal; 3) the switch device receives an inter-station key announcement response packet sent by the second user terminal; 4) the switch device constructs an inter-station key announcement response packet and sends it to the first user terminal; 5) the switch device receives an inter-station key announcement response packet sent by the first user terminal. The switch device establishes an inter-station key for the two stations which are connected to the switch device directly, by which the embodiments of the present invention ensure the confidentiality and integrality of user data between the stations.
摘要:
A method and system for establishing a secure connection between stations are disclosed. The method includes that: 1) a switch device receives an inter-station key request packet sent by a first user terminal; 2) the switch device generates an inter-station key, constructs an inter-station key announcement packet and sends it to a second user terminal; 3) the switch device receives an inter-station key announcement response packet sent by the second user terminal; 4) the switch device constructs an inter-station key announcement response packet and sends it to the first user terminal; 5) the switch device receives an inter-station key announcement response packet sent by the first user terminal. The switch device establishes an inter-station key for the two stations which are connected to the switch device directly, by which the embodiments of the present invention ensure the confidentiality and integrality of user data between the stations.