Data may be protected using a combination of symmetric and asymmetric cryptography. A symmetric key may be generated and the data may be encrypted with the symmetric key. The symmetric key and a only a portion of the symmetrically encrypted data may then be encrypted with an asymmetric public key. The entire set of encrypted data, including the asymmetrically encrypted symmetric key, the doubly encrypted portion of data, and the remainder of the symmetrically encrypted data may then be sent to a remote device using insecure communications.

Disclosed is an electronic device. The electronic device includes a communicator comprising communication circuitry and a processor, the processor is configured to control the communicator to perform communication with an external device based on identifying that a strength of a signal received from an external device is equal to or greater than a predetermined threshold value, and after converting an electronic device to a low power mode, based on identifying that a strength of a signal received from an external device being within a first range, to control the electronic device to perform a secure pairing operation.

The embodiments provide cryptography that is performed in each of two communicating devices and is based on information known only to the devices. The information is determined in each of the devices at the time of communications. Each of the devices determines the information without communicating key information related to the encryption key with each other. Channel characteristic reciprocity between the two devices allows creation of identical keys in each device. Each of the devices sends a first setup signal to the other device, receives a second setup signal from the other device, where the second setup signal may be a looped back version of the first setup signal, samples the second setup generates sampling results, creates a key based on the sampling results, and utilizes the key to exchange one or more secure data signals with the other device.

An access control system for electric vehicle charging is provided that includes an access device, a secure reservation interface, a reservation server and a smartphone application installed on the smartphone. The access device includes a short-range wireless communication module connected to a processor having control of an electric vehicle charger. The secure reservation interface receives a reservation request for a reservation at a given destination. The reservation server receives the reservation request for the destination, issues a reservation certificate, and transmits the reservation certificate from the reservation server to a smartphone. The smartphone application has access to a short range wireless communication setting corresponding to the access device. The access device receives the reservation certificate from the smartphone application based on use by the smartphone application of the short-range wireless communication setting. The processor activates the electric vehicle charger based on at least the receipt of the reservation certificate.

A system for providing a quick response (QR) code associated with an injection system is disclosed. The system includes the injection system and at least one processor. The at least one processor is programmed or configured to: receive data associated with the injection system; generate a network resource based on the data associated with the injection system, wherein, when generating the network resource, the at least one processor is programmed or configured to encode the data associated with the injection system into the network resource; generate a QR code based on the network resource; and display the QR code on a display screen of the injection system.

An Internet-connected device, such as a car, refrigerator, or even a laptop can use a second device, such as a cell phone, to support cryptographic operations and communication with token service providers or other processing services requiring pre-provisioned capabilities that may include cryptographic secrets. By removing the need to store personally sensitive data in “Internet of Things” (IoT) devices, a user's personal information and other sensitive financial information may be contained to a relatively small number of devices. This may help prevent theft of goods or services by IoT devices that are not always under the close control of the user.

A method for secure pairing between a sensor and a concentrator using a mobile terminal includes generating and emitting a confirmation code by the concentrator; converting by the sensor of the confirmation code into a sequence of light signals executed by at least one light-emitting diode; converting by the mobile terminal of the sequence of light signals into a sequence code; sending the sequence code to the concentrator; comparing, by the concentrator, the sequence code and the generated confirmation code: if the sequence code does not match the generated confirmation code, generating a warning; if the sequence code matches the generated confirmation code, pairing and exchanging information between the sensor and the concentrator.

A method is provided for remotely and securely accessing a modem is provided that uses an encrypted authentication token with a modem password. The method includes receiving an encrypted authentication token from the modem, the authentication token having a modem password stored in secure memory and being encrypted according to a public key, transmitting the encrypted authentication token to an authentication server. receiving a decrypted authentication token from the authentication server, the decrypted authentication token comprising the modem password, generating an authentication key and a privacy key from the modem password, configuring modem interfaces at least in part using the authentication token, the modem interfaces including a network management protocol interface and communicating with the modem using the network management protocol interface according to at least one of the generated authentication key and the privacy key.

A cryptographic key management service receives a request, associated with a principal, to use a cryptographic key to perform a cryptographic operation. In response to the request, the service determines whether a rate limit specific to the principal is associated with the cryptographic key. If the rate limit is associated with the cryptographic key, the service generates a response to the request that conforms to the rate limit. The service provides the response in response to the request.

Methods are described for a data creator to securely send a data payload to another device in a transient symmetric key technology (TSKT) system, and for the other device to securely receive the payload data. One method includes receiving a first seed and a formula from a command and control server. A second seed is generated, and the first seed and the second seed are combined using the formula to create a data seed. A first key is generated using the first seed, and the second seed is encrypted using the first key to form an encrypted second seed. A second key is generated using the data seed, and the data payload is encrypted using the second key to form an encrypted data payload. The encrypted data payload and the encrypted second seed are combined in a secure container, and subsequently all keys and seeds and the formula are destroyed.