处理入参STMSI得到iv

Src/com/cscn/RandomGenerator.java

@@ -0,0 +1,22 @@
+//package com.cscn;
+//
+//import javacard.security.RandomData;
+//
+//public class RandomGenerator {
+//    private final RandomData random;
+//
+//    //构造函数
+//    public RandomGenerator()
+//    {
+//        //类当中有getInstance的都要先调用这个函数获取对象实例才能使用其他方法，不然6F00
+//        random = RandomData.getInstance(RandomData.ALG_SECURE_RANDOM);
+//    }
+//
+//    //产生length长度的随机数并返回
+//    public final byte[] GenrateSecureRand(short length, byte[] out)
+//    {
+//        //生成4bit的随机数
+//        random.generateData(out, (short)0, (short)length);
+//        return out;
+//    }
+//}