Base58Check encoding: Difference between revisions

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[[Category:Checksums]]
 
The popular encondingencoding of small and medium-sized [[:Category:Checksums|checksums]] is [[wp:base16|base16]], that is more compact thamthan usual base10 and is human readable... For checksums resulting in ''hash digests'' bigger thamthan ~100 bits, the base16 is too long: [[wp:base58|base58]] is shorter and (when using good alphabet) preserves secure human readability. The most popular alphabet of base58 is the variant used in bitcoin address (see [[Bitcoin/address validation]]), so it is the "default base58 alphabet".
 
Write a program that takes a checksum (resultant hash digest) ''integer binary'' representation as argument, and converts (encode it) into base58 with the standard Bitcoin alphabet — which uses an alphabet of the characters 0 .. 9, A ..Z, a .. z, but without the four characters 0, O, I and l.
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