8051操作加密芯片源代码

8051 单片机操作SMEC98SP加密芯片的事例代码,如果需要完整代码(包括加密芯片代码),请到中巨伟业 http://www.sinormous.com/download.html免费下载

void SMEC_Test(void)
{

/*各种密钥,不会在I2C线路上传输,可以使用同一组.应该将密钥分散存储,防止主控芯片被破解后,被攻击者在二进制码中找到密钥 */
unsigned char InternalKey[16] = {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F};//内部认证密钥,必须和SMEC98SP一致
unsigned char ExternalKey[16] = {0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F};//外部认证密钥,必须和SMEC98SP一致
unsigned char SHA1_Key[16] = {0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,0x29,0x2A,0x2B,0x2C,0x2D,0x2E,0x2F};   //哈希算法认证密钥,必须和SMEC98SP一致
unsigned char MKey[16] = {0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,0x3C,0x3D,0x3E,0x3F};   //主控密钥,用于产生过程密钥,必须和SMEC98SP一致

unsigned char Pin[8] = {0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc};			//Pin认证密钥,必须和SMEC98SP一致
	
unsigned char bSmec9