((argc==2) && (argv[1][1]!=':'))){
printf("USAGE:READKEY 程序路径及名称.\n");
scanf("%s",rbuff); //手工输入加密密钥
printf("sss:%s,%u\n",rbuff,strlen(rbuff));
j=strlen(rbuff);
if(j!=20) exit(1);
for(i=0;i<20;i++){
if((rbuff[i]>='a') && (rbuff[i]<='f')) rbuff[i]&="0xdf;"
if((rbuff[i]>='A') && (rbuff[i]<='F')) rbuff[i]-="0x37;"
else if((rbuff[i]>='0') && (rbuff[i]<='9')) rbuff[i]-="0x30;"
else exit(1);
}
printf("num:");
for(i=0;i<5;i++){
cc1=rbuff[i*4]&0xf;
cc2=rbuff[i*4+1]&0xf;
cc=(cc1<<4)(北联网教程,专业提供视频软件下载)
……