Abstract: A disclosed example gateway node includes network communicator circuitry, memory, instructions, and processor circuitry. The network communicator circuitry is to send a first portion of a multi-part secret key to a first secret holder node, and send a plurality of shares of a second portion of the multi-part secret key to second secret holder nodes. The processor circuitry is to execute the instructions to combine responses from the first secret holder node and at least one of the second secret holder nodes to generate a combined authentication message, the network communicator circuitry to send the combined authentication message to a terminal node for authentication.

Abstract: A disclosed example gateway node includes network communicator circuitry, memory, instructions, and processor circuitry. The network communicator circuitry is to send a first portion of a multi-part secret key to a first secret holder node, and send a plurality of shares of a second portion of the multi-part secret key to second secret holder nodes. The processor circuitry is to execute the instructions to combine responses from the first secret holder node and at least one of the second secret holder nodes to generate a combined authentication message, the network communicator circuitry to send the combined authentication message to a terminal node for authentication.

Abstract: Technologies for providing multiple device authentication in a heterogeneous network include a gateway node. The gateway node includes a network communicator to receive a request from a terminal node to authenticate a user of a set of heterogeneous nodes connected to the gateway node and broadcast a credential request to the nodes. Additionally, the gateway node includes a response combiner to combine responses from the set of nodes to generate a combined authentication message. The network communicator is further to send the combined authentication message to the terminal node for authentication. Other embodiments are described and claimed.

Abstract: A system and method for encryption of data. The system and method utilizes a cryptographic function that provides asymmetric encryption/decryption and digital signing capabilities that are hardened against cyber attack from quantum computers.

Abstract: A system and method for encryption of data. The system and method utilizes a cryptographic function that provides asymmetric encryption/decryption and digital signing capabilities that are hardened against cyber attack from quantum computers.

Abstract: A system and method for encryption of data. The system and method utilizes a cryptographic function that provides asymmetric encryption/decryption and digital signing capabilities that are hardened against cyber attack from quantum computers.

Abstract: A system and method for encryption of data. The system and method utilizes a cryptographic function that provides asymmetric encryption/decryption and digital signing capabilities that are hardened against cyber attack from quantum computers.

Abstract: Technologies for providing multiple device authentication in a heterogeneous network include a gateway node. The gateway node includes a network communicator to receive a request from a terminal node to authenticate a user of a set of heterogeneous nodes connected to the gateway node and broadcast a credential request to the nodes. Additionally, the gateway node includes a response combiner to combine responses from the set of nodes to generate a combined authentication message. The network communicator is further to send the combined authentication message to the terminal node for authentication. Other embodiments are described and claimed.

Abstract: A distributed Rivest Shamir Adleman (RSA) signature generation method in an ad-hoc network and a node of an ad-hoc network. The distributed RSA signature generation method in an ad-hoc network includes distributing key share information, which is generated using a maximum distance separable (MDS) code and a random symmetric matrix, to a plurality of nodes; generating, in a fewer number of nodes than the plurality of nodes, a partial signature using the distributed key share information; transmitting the partial signature to a signature generation node; and generating an RSA signature using the partial signature, in the signature generation node.

Abstract: An apparatus and method are provided for reducing time taken for generating a digital signature and generating the digital signature using a minimum number of operations using at least two secret keys. One secret key among at least two secret keys may be set from a value resulting from hashing a message to be transmitted. A number of times for hashing the secret key is determined, and a value resulting from hashing the determined secret key by the determined hashing number of times is set as the digital signature.

Abstract: A method and system for performing a distributed verification with respect to measurement data in a sensor network. The method of performing the distributed verification with respect to measurement data in a sensor network includes: verifying, by an aggregator, the measurement data received from each of a plurality of sensors; generating, by the aggregator, verification request data by using the verified measurement data; transmitting the verification request data to a verifier; and verifying, by the verifier, the aggregator via a predetermined number of sensors of the plurality of sensors and the verification request data. The method of performing a distributed verification with respect to measurement data in a sensor network further includes transmitting, by the aggregator, an aggregation result with respect to the measurement data to a base station when the aggregator is verified; and verifying, by the base station, the aggregation result.

Abstract: A key handshake method in a wireless local area network (LAN) capable of performing authentication between two wirelessly connected stations by exchanging keys once is provided. Because the security key for authentication can be exchanged by one 4-way handshake between an authenticator and a supplicant in a wireless LAN, an authentication delay can be prevented.

Abstract: A public key generation method in Elliptic Curve Cryptography (ECC), and a public key generation system performing the method are provided. The public key generation method includes reducing a sequence length of the signed ternary ?-adic representation of the private key ‘k’ using properties of an elliptic curve, representing a reduced secret key ‘k’ in a signed ternary ?-adic representation; and computing a public key kP by multiplying the ?-adic representation of the private key ‘k’ whose sequence length is reduced on point P on the elliptic curve.

Abstract: Disclosed are a method and apparatus capable of reducing the number of computations required to generate a digital signature by a digital signature generator. A digital signature generator generates a code word for a received message by a function F for generating a code word having a set weight value and generates a digital signature based on the generated code word and an inverse of a public parity check matrix H, the parity check matrix H is one way function. A digital signature receiver converts the received message using the function F for generating a code word, and multiplies a public parity check matrix H by a received digital signal, the public parity check matrix H is a one way function, and comparing the converted value with the multiplication result.

Abstract: A weighted secret sharing and reconstructing method includes encoding the secret using a predetermined code, producing voices so that different weights are assigned to errors in an error vector according to locations of the errors, encrypting the encoded secret using the error vector and distributing the encrypted encoded secret to a plurality of participants.

Abstract: An encryption method for encrypting data for multi-level access control in an ad-hoc network including hierarchical security classes includes encoding data into a predetermined code using a first public key of a highest security class, adding a private key of a security class to which a user belongs, to the predetermined code, and generating a ciphertext by adding a second public key, published by the security class to which the user belongs, to the addition result. A corresponding decryption method includes subtracting the private key from the ciphertext, performing a first decoding using a secret key known by a security class, to which a receiver belongs, by the receiver of the ciphertext, and correcting errors included in the second public key and detecting the data by performing a second decoding of the result of the first decoding using a code known by the security class to which the receiver belongs.

Abstract: A method and system for performing a distributed verification with respect to measurement data in a sensor network. The method of performing the distributed verification with respect to measurement data in a sensor network includes: verifying, by an aggregator, the measurement data received from each of a plurality of sensors; generating, by the aggregator, verification request data by using the verified measurement data; transmitting the verification request data to a verifier; and verifying, by the verifier, the aggregator via a predetermined number of sensors of the plurality of sensors and the verification request data. The method of performing a distributed verification with respect to measurement data in a sensor network further includes transmitting, by the aggregator, an aggregation result with respect to the measurement data to a base station when the aggregator is verified; and verifying, by the base station, the aggregation result.

Abstract: A distributed Rivest Shamir Adleman (RSA) signature generation method in an ad-hoc network and a node of an ad-hoc network. The distributed RSA signature generation method in an ad-hoc network includes distributing key share information, which is generated using a maximum distance separable (MDS) code and a random symmetric matrix, to a plurality of nodes; generating, in a fewer number of nodes than the plurality of nodes, a partial signature using the distributed key share information; transmitting the partial signature to a signature generation node; and generating an RSA signature using the partial signature, in the signature generation node.

Abstract: A public key generation method in Elliptic Curve Cryptography (ECC), and a public key generation system performing the method are provided. The public key generation method includes reducing a sequence length of the signed ternary ?-adic representation of the private key ‘k’ using properties of an elliptic curve, representing a reduced secret key ‘k’ in a signed ternary ?-adic representation; and computing a public key kP by multiplying the ?-adic representation of the private key ‘k’ whose sequence length is reduced on point P on the elliptic curve.

Abstract: Disclosed are a method and apparatus capable of reducing the number of computations required to generate a digital signature by a digital signature generator. A digital signature generator generates a code word for a received message by a function F for generating a code word having a set weight value and generates a digital signature based on the generated code word and an inverse of a public parity check matrix H, the parity check matrix H is one way function. A digital signature receiver converts the received message using the function F for generating a code word, and multiplies a public parity check matrix H by a received digital signal, the public parity check matrix H is a one way function, and comparing the converted value with the multiplication result.