240 发简信
IP属地:北京
  • Parser 2

    Ambiguous Grammar A grammar is ambiguous if it can derive a sentence with two different...

  • 120
    Parser

    Syntax:the way in which words are put together to form phrases, clause, or sentence. 1....

  • Block Cipher Mode

    Block ciphers (like DES and AES) can be used directly only for a single block of plaint...

  • 120
    AES

    You should know First Polynomial calculation 1.Overview DES is unsecure because of shor...

  • 120
    DES

    You should Know First 1.Symmetric cipher Symmetric cipher is a kind of cipher which use...