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A comment on Ozzillate – Transfer Files via Sound. Parent comment

Re:Ozzillate – Transfer Files via Sound by dtonon on Saturday September 11, 2021 @06:51AM (#28490887)
On low error correction level you can save 2953 bytes in binary and 4296 in alphanumeric mode. The latter should be fine for a gpg key.

I'm experimenting for fun on this side: https://github.com/dtonon/papiro

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Re:Ozzillate – Transfer Files via Sound by dtonon on Monday September 13, 2021 @05:40PM (#28517223)
My fault: alphanumeric mode is not suitable for a GPG key, because it is:

> 0–9, A–Z (upper-case only), space, $, %, *, +, -, ., /, :

and so we miss the lowercase [a-z]. Therefore we need to use the 2953 bytes binary option.

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