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>Unfortunately, both algorithms are subject to quantum decryption. (Just |
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>do a little search on quantum decryption.) |
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> |
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> |
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there is nothing like a quantum decryption |
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of course, you can (one day) use quantum computing to speed up your |
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brute force search for key; this will give you something like a speedup |
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from O(n) to O(sqrt(n)) ... that is good and bad at the same time |
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it gives you a possibility of breaking 3DES in time required for |
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breaking DES, but: |
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- it is not real at the moment |
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- it won't be real in three years |
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- it still implies plain text attack |
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if you don't have plain text, you are almost lost (with 3DES or IDEA) |