Function GetSha1Status

utils/crypto/hash.go:97–108

(h hash.Hash)

}

func GetSha1Status(h hash.Hash) []byte {
	if reflect.TypeOf(h).String() != "*sha1.digest" {
		return nil
	}
	result := make([]byte, 20)
	// 反射大法好
	s := reflect.ValueOf(h).Elem().Field(0)
	for i := 0; i < 5; i++ {
		binary.LittleEndian.PutUint32(result[i*4:], uint32(s.Index(i).Uint()))
	}
	return result
}