Implementation method of area-compact arithmetic hardware for wireless local area network
A wireless local area network and hardware implementation technology, applied in wireless communication, electrical components, network topology, etc., can solve the problems of large circuit implementation area and power consumption, unsatisfactory operation speed, and restriction of encryption and decryption methods, so as to reduce the implementation area , easy to implement, and conducive to verification
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[0039]Embodiment: a kind of compact algorithm hardware implementation method for wireless local area network comprises the following steps:
[0040] Encryption process:
[0041] Step 1: Divide the plaintext code into 4 code words in units of words, and divide the master key code into 4 key words in units of words.
[0042] Step 2. XOR the 1st to 3rd key word in the master key with a constant, then perform reversible transformation, and then XOR with the 0th key word to generate a word-length For the first round of keys, move the 1st to 3rd key word forward to the position of the 0th to 2nd key word, and move the first round key to the 3rd position The location of the key word.
[0043] Step 3: XOR the first-round key with the plaintext code from the 1st to 3rd coded word, perform reversible transformation, and then XOR with the 0th coded word to generate a word-length The first round of cipher text, then move the first to the third code word to the position of the 0th to th...
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