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by
Ciro Santilli
(@cirosantilli,
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Pre-shared key
An overview of what you can do with a pre-shared key with tradeoffs can be found at:
quantumcomputing.stackexchange.com/questions/142/advantage-of-quantum-key-distribution-over-post-quantum-cryptography/25727#25727
The options are:
one-time pad
symmetric encryption
authentication with some
message authentication code
protocol
Table of contents
Message authentication code
Message authentication code
Pre-shared key
Bibliography:
crypto.stackexchange.com/questions/59958/is-it-safe-to-hash-a-packet-with-a-shared-secret-to-prove-authenticity
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Ciphertext, plaintext, key and salt
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Quantum key distribution
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