The public key can be openly distributed without compromising security It is based on the subset sum problem (a special case of the knapsack problem) [5] the problem is as follows Given a set of integers and an integer , find a subset of which sums to Also a key used to initialize a pseudorandom number generator to generate other keys Key exchange key exchange (also key establishment) is a method in cryptography by which cryptographic keys are exchanged between two parties, allowing use of a cryptographic algorithm
Key server (cryptographic) in computer security, a key server is a computer that receives and then serves existing cryptographic keys to users or other programs The users' programs can be running on the same network as the key server or on another networked computer. It allows two parties to agree on a shared secret by exchanging messages, even if they have no secrets in common beforehand. This protocol aims to establish a session key between two parties on a network, typically to protect further communication This protocol is intended to provide mutual authentication between two parties communicating on a network, but in its proposed form is insecure.
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