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unconditional security

no matter how much computer power or time is available, the cipher cannot be broken since the ciphertext provides insufficient information to uniquely determine the corresponding plaintext

computational security

given limited computing resources (eg time needed for calculations is greater than age of universe), the cipher cannot be broken

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11y ago
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3y ago

What is the difference between an unconditionally secure cipher and a computationally secure cipher?

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Q: What is the difference between an unconditionally secure cipher and a computationally secure cipher?
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