How the key is distributed in the symmetric key cryptography?
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In symmetric key cryptography, both parties must possess a secret key which they must exchange prior to using any encryption. Distribution of secret keys has been problematic until recently, because it involved face-to-face meeting, use of a trusted courier, or sending the key through an existing encryption channel. The first two are often impractical and always unsafe, while the third depends on the security of a previous key exchange.
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In symmetric key cryptography, both parties must possess a secret key which they must exchange prior to using any encryption. Distribution of secret keys has been problematic until recently, because it involved face-to-face meeting, use of a trusted courier, or sending the key through an existing encryption channel. The first two are often impractical and always unsafe, while the third depends on the security of a previous key exchange.
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Hey mate, here is your answer :
Key distribution. In symmetric key cryptography, both parties must possess a secret key which they must exchange prior to using any encryption. ... When the nodes are deployed over the target area, the secret keys are used to create the network.
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Key distribution. In symmetric key cryptography, both parties must possess a secret key which they must exchange prior to using any encryption. ... When the nodes are deployed over the target area, the secret keys are used to create the network.
Hope this answer helps you...
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