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2 votes

Advantages of AES vs XOR on a plain text file

Is the derivedOTP a One Time Password / One Time Pad at all in any aspect? No. It's a stream cipher if it produces a key stream that is XOR'ed with the plaintext. That the code buffers all of it is ...
Maarten Bodewes's user avatar
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2 votes

What is the advantage of CFB over OFB?

Advantages of CFB over OFB: Ability to parallel decryption, and hence it has better performance. Ability to random read access during decryption. There is no need to calculate all previous (expensive)...
backdround's user avatar
1 vote
Accepted

Possible to encrypt message without knowing recipient public key?

What about: Bob publishes a public key for some secure signature system. Alice trusts it, or will get a way to trust it. Bob draws a random secret 256-bit key $k$. Bob symmetrically encrypts the ...
fgrieu's user avatar
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1 vote
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How to evaluate the minimum complexity of the key recovery when the success probability p is given?

For common cryptographic algorithms, there is no known lower bound to the complexity of key recovery with a given (and sizable) probability. We can't mathematically exclude the possibility of a much ...
fgrieu's user avatar
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