發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Boosting differential-linear cryptanalysis of ChaCha7 with MILP