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Results tagged with substitution-cipher
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user 86114
A substitution cipher is an encryption algorithm which works by replacing plaintext units with corresponding ciphertext units, following some rule depending on the key.
2
votes
What is the difference between a substitution cipher and an oracle?
You can consider an oracle as some black-box algorithm, that has some well-defined interface: it accepts some requests, generates corresponding answers. But usually you don't know, what is hidden behi …
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