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Quantum cryptography
... channel: Consider two parties, traditionally called Alice and Bob , who are connected by an authentic, but otherwise insecure, ... an adversary, Eve , to modify the communication between Alice and Bob. Assume now that Alice wants to send a secret message to Bob, ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Teleportation Protocol
... of this technique is to transmit one qubit between Alice and Bob by sending two classical bits. However, Alice and Bob must initially share one entangled state . Alice and Bob ...
Wiki article - Joelbloggs - 26/10/2015 - 17:56 - 0 comments
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Quantum Secret Sharing
... Quantum Secret Sharing by Daniel Gottesman. Suppose Alice and Bob wish to set up a joint checking account: neither of them can ... scheme. The secret bank account password is shared between Alice and Bob. Much more elaborate secret sharing schemes exist. For instance, ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Enhancement of channel capacities with entanglement
... states. The formal definition proceeds as follows. Alice and Bob are assumed to share n S ebits in the form of a ... as before to formally define the quantum capacity, Alice and Bob are again assumed to share a maximally entangled state ... in the presence of free entanglement. Suppose that Alice and Bob would like to use N 1 : A ʹ → B to simulate ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Classical Entropy Measures
... this task seeks to find the maximum length of string Alice and Bob can form from their shared string such that Eve has no ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Oblivious transfer
... primitive between two parties, in the following called Alice and Bob. OT can be used as a building block for any arbitrary ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Coin tossing
... behind this, consider the following scenario. Assume that Alice and Bob, freshly divorced, want to decide on the phone who of them gets ... of the strategy of the other party). If one allows Alice and Bob to communicate over a quantum channel, then information-theoretic ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Secure two party classical computation: overview
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Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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The no-cloning theorem
... will be split evenly between +1/2 and -1/2. This would allow Alice and Bob to communicate across space-like separations, potentially ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Quantum Programming Language
... communication protocols. For example communication between Alice and Bob can be describe as an exchange of the qubits between two modules ...
Wiki article - Anonymous (not verified) - 06/12/2015 - 10:12 - 0 comments