AES (Advanced Encryption Standard)
• Designed by Rijmen-Daemen in Belgium
• Block Cipher
, Contd…
• Plaintext : 128 bits ( 16 bytes)
• Cipher text: 128 bits (16 bytes)
• Key size: 128 bits/ 192 bits/ 256 bits
(16 bytes/24 bytes/ 32 bytes)
No of Round: 10 /12/ 14
,
, AES DATA STRUCTURE
• Input array
• State array
• Output array
• Key and expanded key
• processes data as block of 4 columns of 4 bytes
• Designed by Rijmen-Daemen in Belgium
• Block Cipher
, Contd…
• Plaintext : 128 bits ( 16 bytes)
• Cipher text: 128 bits (16 bytes)
• Key size: 128 bits/ 192 bits/ 256 bits
(16 bytes/24 bytes/ 32 bytes)
No of Round: 10 /12/ 14
,
, AES DATA STRUCTURE
• Input array
• State array
• Output array
• Key and expanded key
• processes data as block of 4 columns of 4 bytes