Proposes entanglement-based quantum steganography protocols via catalytic and entanglement-assisted QECCs, deriving upper and lower bounds on secrecy capacity without relying on eavesdropper ignorance assumptions.
1 In the second possibility above, the reason that we exclude the case I◦N(S) is that the weight of an arbitrary error e satisfies |e| ≤ ⌊d−1 2 ⌋
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Quantum steganographic protocols using degenerate and entanglement-assisted quantum codes
Proposes entanglement-based quantum steganography protocols via catalytic and entanglement-assisted QECCs, deriving upper and lower bounds on secrecy capacity without relying on eavesdropper ignorance assumptions.