Key Generation program

.gitignore

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+.vscode

Makefile

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+build/DataGen: src/DataGen.cpp
+	g++ src/DataGen.cpp -o build/DataGen
+
+genData:
+	./build/DataGen
+
+clean:
+	rm -rf ./build/*

build/.gitignore

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+*
+!.gitignore

data/.gitignore

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+*
+!.gitignore

src/DataGen.cpp

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+#include <cstdio>
+#include <cstdlib>
+#include <string>
+
+using namespace std;
+
+void genLinear(const char * FilePath, int len){
+    FILE * Fo = fopen(FilePath, "w");
+    for (int i = 0; i < len; i++)
+        fprintf(Fo, "%8x\n", i+1);
+}
+void genRandom(const char * FilePath, int len){
+    printf("RAND_MAX = %d\n", RAND_MAX);
+    printf("RAND_MAX = %x\n", RAND_MAX);
+    FILE * Fo = fopen(FilePath, "w");
+    for (int i = 0; i < len; i++)
+        fprintf(Fo, "%8x\n", rand());
+
+}
+void genGrid(const char * FilePath, int len){
+    string s = "0x11111111";
+    FILE * Fo = fopen(FilePath, "w");
+    for (; len; len--){
+        fprintf(Fo, "%s\n", s.c_str());
+        for (int i = s.length() - 1; i >= 0; i--) {
+            if (s[i] == '9')
+                s[i] = 'A';
+            else if (s[i] == 'F')
+                s[i] = '0';
+            else s[i]++;
+
+            if (s[i] != '0')
+                break;
+        }
+    }
+}
+void genRevGrid(const char * FilePath, int len){
+    string s = "0x11111111";
+    FILE * Fo = fopen(FilePath, "w");
+    for (; len; len--){
+        fprintf(Fo, "%s\n", s.c_str());
+        for (int i = 0; i < s.length(); i--) {
+            if (s[i] == '9')
+                s[i] = 'A';
+            else if (s[i] == 'F')
+                s[i] = '0';
+            else s[i]++;
+
+            if (s[i] != '0')
+                break;
+        }
+    }
+}
+
+int main(){
+    int N = 1468000;
+    genLinear("../data/Linear.key", 1468000);
+    genRandom("../data/Random.key", 1468000);
+    genGrid("../data/Grid.key", 1468000);
+    genRevGrid("../data/RevGrid.key", 1468000);
+    return 0;
+}