| 摘要 |
<p>A method of authenticating anonymous users while reducing potential for 'middleman' fraud includes the step of constructing a puzzle in response to information received from a software user. The puzzle includes the received information. The puzzle is sent to the user by a software provider. The user solves the puzzle and returns the solution to the provider. The puzzle includes a portion of a value derived from an encrypted 'cookie' and an exponentiation of the derived value. The cookie includes information about the user.</p> |
