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: Rijndael (AES)
: 09--1
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09--1
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Rijndael (AES)
Rijndael (AES) 128, 192 256 _____
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AES, Rijndael, , , , , , AddRoundKey, , SP-, , SubBytes, ShiftRows, S-BOX.
AES (Rijndael). . AddRoundKey, SubBytes, ShiftRows, MixColumns, . (Key Expansion) . AES C# Microsoft Visual Studio 2010 ECB (ELECTRONIC CODEBOOK) .
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充...5
1. .......6
1.1 ........6
1.2 ..............................................7
1.3 ........10
2. ....11
2.1 .......11
2.2 ..............................................................11
2.3 ⅅ.......11
2.4 AddRoundKey .................................11
2.5 SubBytes InvSubBytes..........11
2.6 S-Box InvS-Box.12
2.7 ShiftRows InvShiftRows......13
2.8 MixColumns InvMixColumns.....14
2.9 SubWord......15
2.10 RotWord....15
2.11 Round Constant (RCON)...15
2.12 (Key Expansion)...15
3. AES..16
4. 腅...17
充.20
..20
ⅅ.....21
. .......22
. .......23
AES DES IDEA, , . Advanced Encryption Standard (AES), Rijndael . 128, 192 256 . 128 , . - 10, 12 14 ( 128, 192 256 ). , Rijndael, , -.
Rijndael , SP- (Substitution-Permutation network, - ) , 1971 . , . . .
Rijndael , , , . .
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