Key size is the size measured in bits of the key used in a cryptographic algorithm.

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Is there any existing cipher capable of scaling from a 1 bit key up to a one-time-pad?

We have ciphers that handle small amounts of entropy, such as a 256 bit key for AES; and we have one time pads for enciphering 1:1 entropy, such as a 1GB key for a 1GB file if you could ever harvest ...
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Measure ECC key size

I have implemented a ECC key generation scheme successfully. Now I need to find ECC key sizes of each generating key pairs. I assumed that ECC key size is the size of the ECC private Key. So I would ...
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Generating whitening keys through encryption

Question, if I generated whitening keys by encrypting the plaintexts of 0000... and 0A0A... would this reduce vulnerability to meet in the middle and related key attacks? If so, any rough idea of how ...