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SeedableRng::seed_from_u64 panics if the Seed type's length is not a multiple of 4 #1082

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sfackler opened this issue Dec 31, 2020 · 1 comment · Fixed by hacspec/hacspec#80 or apllodb/apllodb#156 · May be fixed by transparencies/zip#2 or Lionjudge9061-corp/mobilecoin#2
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SeedableRng::seed_from_u64 panics if the Seed type's length is not a multiple of 4 #1082

sfackler opened this issue Dec 31, 2020 · 1 comment · Fixed by hacspec/hacspec#80 or apllodb/apllodb#156 · May be fixed by transparencies/zip#2 or Lionjudge9061-corp/mobilecoin#2

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@sfackler
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If a SeedableRng implementation uses a seed type with a length that isn't divisible by 4, the final chunk of the seed buffer will not be 4 bytes, so the copy_from_slice call will panic: https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=2e5eea3830867e62fe8a47f02721a60a.
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@dhardy @sfackler