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Criptografia - Adelcio

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<strong>Criptografia</strong><br />

26<br />

<strong>Criptografia</strong> simétrica ou de chave secreta<br />

• Algoritmos e tamanhos de chave típicos:<br />

• DES 56-bit<br />

• Triple-DES ~160-bit<br />

• CAST 40-, 64-, 80-, 128-bit<br />

• RC2 40-, 128-bit<br />

• IDEA 128-bit<br />

• AES 128, 256-bit

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