public static void main(String[] args) throws IOException {
/*int bucket_size = 4;
int num_blocks = (int) Math.pow(2, 5);*/
int bucket_size = 4;
int num_blocks = (int) Math.pow(2, 20);
// Set the Bucket size for all the buckets.
Bucket.setMaxSize(bucket_size);
// Initialize new UntrustedStorage
UntrustedStorageInterface storage = new ServerStorageForHW();
// Initialize a randomness generator
RandForORAMInterface rand_gen = new RandomForORAMHW();
// Initialize a new Oram
ORAMInterface oram = new ORAMWithReadPathEviction(storage, rand_gen, bucket_size, num_blocks);
/*Do same sample computation: fill an array with numbers, then read it back.*/
// for(int i = 0; i < 60; i++){
// oram.access(Operation.WRITE, i % num_blocks, sampleData(i) );
// System.out.println("Writing Block " + i + " to ORAM. The stash size is: " +
// oram.getStashSize());
// }
//
// for(int i = 0; i < num_blocks; i++){
// System.out.println("Reading Block " + i + " from ORAM. Value is :" +
// Arrays.toString(oram.access(Operation.READ, i, null)));
// }
int[] info = new int[100];
for (int i = 0; i < 3000000; i++) {
oram.access(Operation.WRITE, i % num_blocks, sampleData(i));
System.out.println(
"Writing Block " + i + " to ORAM. The stash size is: " + oram.getStashSize());
}
for (int i = 0; i < 50000000; i++) {
oram.access(Operation.WRITE, i % num_blocks, sampleData(i));
System.out.println("Reading Block " + i + " from ORAM. Stash size :" + oram.getStashSize());
info[oram.getStashSize()] = info[oram.getStashSize()] + 1;
}
FileWriter fw =
new FileWriter(
"C:\\Users\\Susan\\OneDrive\\Documents\\CS 4830 - Cryptography\\B1.txt", true);
PrintWriter pw = new PrintWriter(fw);
pw.write("-1, 50000000\n\n\n");
// pw.flush();
pw.write("\n");
int[] newinfo = new int[100];
newinfo[99] = 0;
for (int i = 98; i >= 0; i--) {
newinfo[i] = info[i + 1] + newinfo[i + 1];
}
for (int i = 0; i < 100; i++) {
pw.write(" " + i + ", " + newinfo[i] + "\n");
//
}
pw.close();
for (int i = 0; i < 100; i++) {
System.out.println(info[i]);
}
}
public static void main(String[] args) {
int bucket_size = 2;
int num_blocks = (int) Math.pow(2, 20);
int stashCount[] = new int[10000];
int max_stash = 0;
// Set the Bucket size for all the buckets.
Bucket.setMaxSize(bucket_size);
// Initialize new UntrustedStorage
UntrustedStorageInterface storage = new ServerStorageForHW();
// Initialize a randomness generator
RandForORAMInterface rand_gen = new RandomForORAMHW();
// Initialize a new Oram
ORAMInterface oram =
new ORAMWithDeterministicRLEviction(storage, rand_gen, bucket_size, num_blocks);
// Warm up the ORAM
System.out.println(" == Warming up the ORAM == ");
for (int i = 0; i < num_blocks; i++) {
oram.access(Operation.WRITE, i % num_blocks, sampleData(i));
}
System.out.println(" >> First million done...");
for (int i = 0; i < num_blocks; i++) {
oram.access(Operation.WRITE, i % num_blocks, sampleData(i));
}
System.out.println(" >> Second million done...");
for (int i = 0; i < num_blocks; i++) {
oram.access(Operation.WRITE, i % num_blocks, sampleData(i));
}
PrintWriter pw;
try {
pw = new PrintWriter("simulation2B.txt", "UTF-8");
} catch (Exception e) {
return;
}
System.out.println(" >> Warmup finished!!");
System.out.printf(
" >> Getting on with 500,000,000 accesses\n"
+ " We will record stash size every 5,000,000 accesses.\n 0.0%% complete...");
int stashsize = 0;
for (int i = 0; i < 500_000_000; i++) {
oram.access(Operation.READ, i % num_blocks, null);
stashsize = oram.getStashSize();
if (stashsize > max_stash) max_stash = stashsize;
if (stashsize > 10_000) throw new RuntimeException("WHAT IS HAPPENING :(");
stashCount[stashsize]++;
if (i % 500_000 == 0) {
System.out.printf(
"\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b%5.1f%% complete...", i / 5_000_000.);
if (i % 5_000_000 == 0) {
pw.println("==============");
pw.printf("-1, %d\n", i);
for (int j = 0; j <= max_stash; j++) {
int count = 0;
for (int k = max_stash; k > j; k--) count += stashCount[k];
pw.printf("%d, %d\n", j, count);
}
pw.flush();
}
}
}
pw.println("One more for good luck, if we get here...");
pw.println("-1, 500000");
for (int i = 0; i <= max_stash; i++) {
int count = 0;
for (int j = max_stash; j > i; j--) {
count += stashCount[j];
}
pw.printf("%d, %d\n", i, count);
}
pw.close();
System.out.println("Computation completed, whoopee.");
}
