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Support for variable-length hashes #45
Description
Some algorithms (such as SHAKE128) can generate an output of arbitrary length. For example, the following are all valid SHAKE128 hashes of the string hello in UTF-8:
8eb4
8eb4b6a932f28033
8eb4b6a932f280335ee1a279f8c208a3
8eb4b6a932f280335ee1a279f8c208a349e7bc65daf831d302
(generated by the online hash calculator)
In particular, this code should work:
Multihash m = Multihash.fromHex("18028eb4");Whereas it currently fails with this exception:
java.lang.IllegalStateException: Incorrect hash length: 2 != 32
at io.ipfs.multihash.Multihash.<init>(Multihash.java:162)
at io.ipfs.multihash.Multihash.deserialize(Multihash.java:218)
at io.ipfs.multihash.Multihash.deserialize(Multihash.java:223)
at io.ipfs.multihash.Multihash.fromHex(Multihash.java:273)
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