أرسل هذا في رسالة قصيرة: Lattice-based group signatures : achieving full dynamicity (and deniability) with ease

 _____       ___     _    _     _____    ______   
|  __ \\    / _ \\  | |  | ||  |  ___|| |      \\ 
| |  \ ||  | / \ || | |/\| ||  | ||__   |  --  // 
| |__/ ||  | \_/ || |  /\  ||  | ||__   |  --  \\ 
|_____//    \___//  |_// \_||  |_____|| |______// 
 -----`     `---`   `-`   `-`  `-----`  `------`