Terminate the hash to get the digest @param md The hash state @param out [out] The destination of the hash (32 bytes) @return CRYPT_OK if su

Initialize the hash state @param md The hash state you wish to initialize @return CRYPT_OK if successful */

* @brief 辅助分割流程的函数 * * @param vec */

Implementation of a = b + (-c)

Implementation of r = rand (); a = b + r; a = a - c; a = a - r

Implementation of r = rand (); a = b - r; a = a - c; a = a + r

* @brief 用于判断是否开启混淆 * * @param flag * @param f * @param attribute * @return true * @return false */

Implementation of a = a ^ b => a = (~a & b) | (a & ~b)

implementation of a = a ^ b <=> (a ^ r) ^ (b ^ r) <=> ((~a & r) | (a & ~r)) ^ ((~b & r) | (b & ~r)) note : r is a random number