Public-Key Cryptography
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Advanced Encryption Standard competition began in 1997Rijndael was selected to be the new AES in 2001 AES basic structures:block cipher, but not Feistel cipherencryption and decryption are similar, but not symmetricalbasic unit: byte, not bitblock size: 16-bytes (128 bits)three different key lengths: 128, 192, 256 bitsAES-128, AES-192, AES-256 each 16-byte block is represented as a 4 x 4 square matrix, called the state matrixthe number of rounds depends on key lengths4 simple operations on the state matrix every round (except the last round)...
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Public-Key Cryptography
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Public-Key Cryptography
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