alpominth

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If I encrypt a plaintext with different keys for each block, will I have the same security as a one-time pad?

Jul 2

If I hash different seeds with same size of hash output and XOR on plaintext, is it secure as One-time pad?

Jul 3

What is the post-quantum security of encryptions schemes based on transpositions?

Apr 19

Is there a simple formula to calculate how many inputs generate same outputs in cryptographic hash functions, being the input larger than the input?

Apr 3

When the input size in a PRF is larger than the output and many inputs will generate the same output, but why AES-256 in CTR mode is considered safe?

Mar 3

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+10

Is KangarooTwelve hash function suitable for generating very large key material as Shake-256 is?

+18

Are the null bytes produced by a True Random Number Generator a security issue when using it as a source of entropy for keys in One-time pad?

+10

If I encrypt a plaintext with different keys for each block, will I have the same security as a one-time pad?

+10

If I hash different seeds with same size of hash output and XOR on plaintext, is it secure as One-time pad?

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