What is the foundation of cryptographic functions?

2 thoughts on “What is the foundation of cryptographic functions?”

1. D. Entropy
   Entropy is the foundation upon which all cryptographic functions operate.
   https://www.sciencedirect.com/topics/computer-science/entropy

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2. I think the answer is B.

   Cryptography is a synonym for encryption, but the foundation of encryption is the cipher.

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