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Quantum Key Distribution: Difference between revisions
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==Functionality Description== | ==Functionality Description== | ||
Quantum key distribution is a task that enables two parties, Alice and Bob, to establish a classical secret key by using quantum systems. A classical secret key is a random string of bits known to only Alice and Bob, and completely unknown to any third party, namely an eavesdropper. Such a secret key can for example be used to encrypt a classical message sent over a public channel. | Quantum key distribution (QKD) is a task that enables two parties, Alice and Bob, to establish a classical secret key by using quantum systems. A classical secret key is a random string of bits known to only Alice and Bob, and completely unknown to any third party, namely an eavesdropper. Such a secret key can for example be used to encrypt a classical message sent over a public channel. | ||
'''Tags:''' [[:Category: Two Party Protocols|Two Party]], [[:Category: Quantum Enhanced Classical Functionality|Quantum Enhanced Classical Functionality]], [[:Category: Specific Task|Specific Task]], unconditional security (information theoretical security), random number generator, key generation, secret key | '''Tags:''' [[:Category: Two Party Protocols|Two Party]], [[:Category: Quantum Enhanced Classical Functionality|Quantum Enhanced Classical Functionality]], [[:Category: Specific Task|Specific Task]], unconditional security (information theoretical security), random number generator, key generation, secret key | ||