Public key
Publicly available component of a pair of asymmetric keysOften called "key Encryption”.
Secret key
“Private Key"A public key algorithm (or asymmetric), Or "session key"In symmetric algorithms.
Asymmetric keys Keypair separate but unified, consisting of a public key and a private key. Each key is one way, meaning that the key used to encrypt information can not be used to decrypt the data themselves.
Cluster All areas constituting an area on a logical disk.
Hardware architecture involving multiple machines (from 2 to 8) by a bus at very high flow. This architecture is generally just completed a Software fault tolerance to ensure constant availability of data even in case of failure of an engine.
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