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The ISAAC cipher: Difference between revisions
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(Add The ISAAC Cipher - Common Lisp) |
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ISAAC thus deserves a lot more attention than it has hitherto received and it would be salutary to see it more universally implemented.
;Task:
Translate ISAAC's reference C or Pascal code into your language of choice.
The RNG should then be seeded with the string "this is my secret key" and
finally the message "a Top Secret secret" should be encrypted on that key.
Your program's output
Optional: Include a decryption check by re-initializing ISAAC and performing
the same encryption pass on the
Please use the C or Pascal as a reference guide to these operations.
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ISAAC can of course also be initialized with a single 32-bit unsigned integer in the manner of traditional RNGs, and indeed used as such for research and gaming purposes.
But building a strong and simple ISAAC-based stream cipher - replacing the irreparably broken RC4 - is our goal here: ISAAC's intended purpose.
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