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有一个签名值SignData，是硬件内部签名的结果，32字节的r + 32字节的s，签名使用的公私钥已知pri pub,私钥签名
现在想使用openssl（或者其他的ecc库）去验证SignData ,使用公钥去验签，但是失败。
有人说可能需要把SignData的字节序导一下，倒序转换都试了，还是不行。
请大神和大仙们指点一下 ，java c都可以
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已经自己解决