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| 2019-01-18 | 2019-01-18 | ||
| no summary (165.225.104.65) (hidden) (untrusted) | old revision restored (martin) (hidden) | ||
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| The %%SSH%% employs a public key cryptography. A [[wp>Public-key_cryptography|public-key cryptography]], also known as asymmetric cryptography, is a class of cryptographic algorithms which requires two separate keys, one of which is secret (or private) and one of which is public.((&wikipedia_ref(Public-key_cryptography|Public-key cryptography))) Together they are known as a key-pair. In %%SSH%%, the public key cryptography is used in both directions (client to server and server to client), so two key pairs are used. One key pair is known as a host (server) key, the other as a user (client) key. | The %%SSH%% employs a public key cryptography. A [[wp>Public-key_cryptography|public-key cryptography]], also known as asymmetric cryptography, is a class of cryptographic algorithms which requires two separate keys, one of which is secret (or private) and one of which is public.((&wikipedia_ref(Public-key_cryptography|Public-key cryptography))) Together they are known as a key-pair. In %%SSH%%, the public key cryptography is used in both directions (client to server and server to client), so two key pairs are used. One key pair is known as a host (server) key, the other as a user (client) key. | ||
| - | ===== User(Client) Private Key ===== | + | ===== User Private Key ===== |
| A //user private key// is key that is kept secret by the %%SSH%% user on his/her client machine. The user must never reveal the private key to anyone, including the server (server administrator), not to compromise his/her identity. | A //user private key// is key that is kept secret by the %%SSH%% user on his/her client machine. The user must never reveal the private key to anyone, including the server (server administrator), not to compromise his/her identity. | ||