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Why return s._hash[3];？ #128

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UMU618 opened this issue Dec 27, 2019 · 1 comment
Open

Why return s._hash[3];？ #128

UMU618 opened this issue Dec 27, 2019 · 1 comment

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@UMU618
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UMU618 commented Dec 27, 2019

fc/include/fc/crypto/sha256.hpp

Line 131 in 0784e1b

return s._hash[3];//*((size_t*)&s);

Why not return s._hash[0];?
@gzliudan
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_hash[3] is lowest uint64 in uint256 which has 4 uint64

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@UMU618 @gzliudan