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Which is the principle of the encryption using a key?

mhmadesk

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2022-06-01

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Which is the principle of the encryption using a key?

The key indicates which funcion is used for encryption. Thereby it is more difficult to decrypt a intercepted message as the function is unknown
The key contains the secret function for encryption including parameters. Only a password can activate the key
All functions are public, only the key is secret. It contains the parameters used for the encryption resp. decryption
The key prevents the user of having to reinstall the software at each change in technology or in the functions for encryption

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mhmadesk

2022-06-01

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(b).The key contains the secret function for encryption including parameters. Only a password can activate the key

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