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| "Public key" kodesystem | |||
| Angielski tezaurus | |||
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| Used in data encryption, it uses an encryption key, as a public key, to encrypt the plaintext to the ciphertext. It uses the different decryption key, as a secret key, to decrypt the ciphertext to the corresponding plaintext. (In contrast to a private key cryptosystem, the decryption key should be secret; however, the encryption key can be known to everyone. In a public key cryptosystem, two keys are asymmetric, such that the encryption key is not equivalent to the decryption key) | |||