EAK长度为43，依然报900004错误

[ryanemax]

E/ 2016-10-20 09:18:54  Token: amb8945iddjkfgnsl5
E/ 2016-10-20 09:18:54  EAK: mk0f0l2zdlfu3rsgt9srqqv7demt6k4z12rpo5onps9
E/ 2016-10-20 09:18:54  strlen 43
E/ 2016-10-20 09:18:54  SUITEKEY: suite4xxxxxxxxxxxxxxx
E/ 2016-10-20 09:18:54  {"signature":"35716f2f5a9355fc51931711bab19576578f1605","timestamp":"1476955134333","nonce":"26q7WdQn"}  ERR:900004
E/ 2016-10-20 09:18:54  {"signature":"35716f2f5a9355fc51931711bab19576578f1605","timestamp":"1476955134333","nonce":"26q7WdQn"}CREATE SUITE ERR:900004

记录中EAK长度为43，但是每次都报900004错误，是什么原因？

// 这段代码明明是 != 43 才会有900004错误
    if (strlen($this->m_encodingAesKey) != 43) {
            return ErrorCode::$IllegalAesKey;
        }