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SM3摘要结果长度在某些情况下不是32字节 #170

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folivoramao opened this issue Jul 19, 2022 · 1 comment
Open

SM3摘要结果长度在某些情况下不是32字节 #170

folivoramao opened this issue Jul 19, 2022 · 1 comment

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@folivoramao
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Hi~
我使用软件包中func (pub *PublicKey) Sm3Digest(msg, uid []byte) ([]byte, error)函数进行SM3摘要，发现在某些情况下摘要结果不是32字节。我认为问题出在该函数的返回值e.Bytes()，e.Bytes()返回的结果会把buf首位的非0位截去。由于这个函数是单独的接口，是否可以使用e.FillBytes()进行替代获取合格的摘要。或者告诉API使用者如果需要获取合格的摘要，需对Sm3Digest的结果前补0。以满足32位摘要的要求。期待回复，谢谢~
@folivoramao folivoramao changed the title SM3摘要结果长度不是32字节 SM3摘要结果长度在某些情况下不是32字节 Jul 19, 2022
@sundaykeke
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我也遇到相同的问题，请问当前是否有解决方案？

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@sundaykeke @folivoramao