Reply to post: Re: Not sure that I get it.

Pi in the sky as ESA starts testing encrypted comms on International Space Station

JimboSmith Silver badge

Re: Not sure that I get it.

I disagree with the use of that term in relation to scrambling. If I scramble a message to send it to someone then the constituent parts of the message are still in the message. For example

the cat sat on the mat

or

mat on the the sat cat

or

ota mhe nta ttc hsa te

You can still reconstruct the message from the parts using a descrambler.

However if I encrypt the message then the original message is indecipherable even if I have all the parts of the message.

Unfbvc&ed?ujnjbtd5vueazc9gukl

Now you can't reconstitute the message by just reassembling the bits of the message. You need to be able to decrypt the message.

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