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alice can use only the additive cipher on her computer to send a message to a friend. she thinks that the message is more secure if she encrypts the message two times, each time with a different key. is
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alice can use only the additive cipher on her computer to send a message to a friend. she thinks that the message is more secure if she encrypts the message two times, each time with a different key. is this true?

User Btevfik
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Yes, it does make it more secure since it has different keys and is done twice.
User Zhro
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