First this paper introduces the kinds of category of Cipher and the current situation of the Block Cipher. Then it talks about the old concepts holding back the Block Cipher and presents a new concept. Finally, it int...First this paper introduces the kinds of category of Cipher and the current situation of the Block Cipher. Then it talks about the old concepts holding back the Block Cipher and presents a new concept. Finally, it introduces our patent-Permutation Code and the Encipher/Decipher. Its encryption strength exceeds 2^N. With DES having been proved unsafe, we should not enhance the encryption strength just by increasing its block length just as AES does.展开更多
文摘First this paper introduces the kinds of category of Cipher and the current situation of the Block Cipher. Then it talks about the old concepts holding back the Block Cipher and presents a new concept. Finally, it introduces our patent-Permutation Code and the Encipher/Decipher. Its encryption strength exceeds 2^N. With DES having been proved unsafe, we should not enhance the encryption strength just by increasing its block length just as AES does.