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是否可增加点加、点乘等SM2的小功能模块 #44
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bouncy castle是个偏向业务,理论学习的需要开发人员有相关的理论基础 能提供椭圆曲线运算相关算法及理论支持吗,或者相关代码 |
看了下bouncy castle 库有现成的点加,点乘运算,曲线参数,提供下测试数据,我研究看下 |
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附录C有实例 |
SM2已经可以了 curve25519 |
https://leon.lanzoub.com/b0d9av2kb 提取码:52pj 网盘已经上传 测试的jar包, 大数模块里有ECC功能 |
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其他椭圆曲线测试参数未收集到经多方验证的参数,等收集到反馈给您 |
这个不知道怎么算,暂时就不加了 |
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KDF函数有很多,都不一样,都需要加盐的,这里SM2的kdf是SM3简单hash截取的 建议使用哈希模块计算,再取指定输出长度 |
学习椭圆曲线算法时,可以作为理解密码算法的辅助工具
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