發送短信

數:

提供者:

CAPTCHA:

  _  __    ______    ____     _    _   __    __  
 | |/ //  /_   _//  |  _ \\  | || | || \ \\ / // 
 | ' //    -| ||-   | |_| || | || | ||  \ \/ //  
 | . \\    _| ||_   | .  //  | \\_/ ||   \  //   
 |_|\_\\  /_____//  |_|\_\\   \____//     \//    
 `-` --`  `-----`   `-` --`    `---`       `

Please enter what you see:

發送短信 : An pre-authentication protocol with symmetric keys for secure handover in mobile WiMAX networks