Good day. Tell me which is better to choose a cipher that reduces the number of characters after encryption.
For example, you need to encrypt the text "68464s8efsefdffs8484" - 20 characters. And so that the output (after encryption) is text, which is less than 20 characters.
I hope, I managed to convey the essence of the problem, somehow I do not really understand the encryption.

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    Each encryption has its own range of characters. - Bastiane
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    @ Nikola Krivosheya, encryption never reduces the number of characters, @Bastian is archiving, the same thing - all popular encryption methods encode each character with a dictionary, and the output is exactly the same length - etki

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