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| Paarth Dave | Apr 20 2008, 07:12 AM |
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Advanced Member
  ![]](http://209.85.122.85/static/1/pip_r.png)
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Yes, I now understand what you mean. But I think that when a huge sentence or a paragraph is encrypted using my cipher, there are possibilities that two pairs of different numbers may add up to the same number. Now in this case, substitution is not at all possible. For example, just take the challenge that I had posted earlier in this topic. You may observe that some numbers get repeated and surprisingly, they don't have the same values in the plaintext. You say that my cipher is completely based on substitution and it has maximum 26 possibilities for each number. But by the explaination that I have given, observe that each alphabet if repeated again in the plaintext has a completely different value than its first value. So substitution attacks on ciphertexts based on my system may yield results but it will be so tedious that cryptographers may give up. All I wanted to know is how can I make my system more secure. |
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Cryptography Vanquished.... | |
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| My New Cipher · Challenges | |
9:41 AM Nov 27
