Provided are an electronic payment method and an electronic device using identity-based
public key cryptography. The electronic payment method includes receiving, from a key …

In a system for performing an action regarding an account in response to an electronic
communication received from a sender by a receiver, wherein the electronic communication …

In a system for performing an action regarding an account in response to an electronic
communication received from a sender by a receiver, wherein the electronic communication …

There is provided a method of performing authentication for a transaction between first and
second devices. The method includes: generating a first random number and encrypting it …

An online payment interactive processing method and system are provided. The method
includes: sending a payment request associated with a user account from a client terminal to …

A method is disclosed of encrypting a value input into a user device storing an
authentication key, a code generation algorithm, and a value verification code generation …

A method for authenticating an electronic transaction includes: transmitting first
authentication data to a first terminal and transmitting second authentication data to a …

An E-wallet transfer payment method includes: connecting a first PKI smart card to a second
PKI smart card wirelessly; the first PKI smart card receiving a transfer instruction input by a …

A secure method and device thereof is provided for financial transaction without being
access of any personal and confidential transaction information by any unwanted party …

A system for making a purchase by a customer from a merchant, wherein an electronic
message represents an instruction for payment from an account with a financial institution …