symmetric key cryptography


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symmetric key cryptography

(cryptography)
A cryptography system in which both parties have the same encryption key, as in secret key cryptography.

Opposite: public-key cryptography.
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Symmetric key cryptography, which uses the same key to encrypt/decrypt messages, is very efficient on typical sensor nodes [1].
In Symmetric Key Cryptography [17][20], only one key is used for encryption purpose and the same key is used for decryption purpose as well.
In Symmetric Key Cryptography [16], only one key is used for encryption purpose and the same key is used for decryption purpose as well.

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