INITIALIZE UPDATE： 在安全通道的显式发起期间，INITIALIZEUPDATE命令用于在卡和主机之间传送卡和会话数据。这个命令开始一个安全通道会话的发起。
CPURESET() //选择应用区 00A40400+08+A000000333010101 0084000008(RAM+9000) //初始化通道 80500000+08+RAM+1C 00C000001C(DATA+9000) /************* Key diversification data 10bytes //由卡外实体来获取卡内的静态密钥 Key information 2bytes //包含了密钥的版本号和安全通道的协议号 Card challenge 8bytes //卡内部生成的随机数 Card cryptogram 8bytes //鉴别密码 ************/ KEYVERSION=COPY(DATA,21,2) QCOUNTER=COPY(DATA,25,4) CCHALLENGE=COPY(DATA,29,12) CARDCHALLENGE=COPY(DATA,25,16) MAC_RII=LAST(DATA,16) //验证MAC //计算个人化过程密钥SPenc SPmac SPdek CBC_3DES_EN(00000000000000000182+QCOUNTER+000000000000000000000000,Penc,SPenc) CBC_3DES_EN(00000000000000000101+QCOUNTER+000000000000000000000000,Pmac,SPmac) CBC_3DES_EN(00000000000000000181+QCOUNTER+000000000000000000000000,Pdek,SPdek) //华大 { SPenc=COPY(SPenc,1,16) //3DES计算MAC MAC_RII==MAC_RI SDES_MAC_1(0000000000000000+RAM+CARDCHALLENGE+8000000000000000,SPenc,MAC_RI) SDES_MAC_1(0000000000000000+CARDCHALLENGE+RAM+8000000000000000,SPenc,MAC1) 3DES_MAC_1(0000000000000000+8442000010+MAC1+800000,SPmac,MAC2) //通道安全认证 84420000+10+MAC1+MAC2 } //JAVA CARD { //3DES计算MAC GP_MAC(RAM+CARDCHALLENGE+8000000000000000,SPenc,MAC_RI) GP_MAC(CARDCHALLENGE+RAM+8000000000000000,SPenc,MAC1) 3DES_MAC_1(0000000000000000+8482000010+MAC1+800000,SPmac,MAC2) //通道安全认证 84820000+10+MAC1+MAC2 }