initial commit

Signed-off-by: segfault <segfault@secmail.pro>

1 files changed, 69 insertions, 0 deletions

diff --git a/example.c b/example.c
new file mode 100644
index 0000000..b2f7e89
--- /dev/null
+++ b/example.c
@@ -0,0 +1,69 @@
+#include <stdio.h>
+#include <time.h>
+
+#include "funccrypt.h"
+
+
+static int crypted_fn(int arg0, char *arg1, void *arg2)
+{
+    CRYPT_PROLOGUE(crypted_fn);
+    int i;
+    printf("I'm decrypted ..\n");
+    for (i = 0; i < 32; ++i)
+        printf("%d ", i);
+    puts("");
+    CRYPT_EPILOGUE(crypted_fn);
+
+    return 0x66;
+}
+
+static void crypted_fn2(void)
+{
+    CRYPT_PROLOGUE(crypted_fn2);
+    printf("Another decrypted fn..\n");
+    CRYPT_EPILOGUE(crypted_fn2);
+}
+
+CRYPT_FNDEF(crypted_fn3, void *arg0, int arg1, const char *arg2)
+{
+    printf("Yet another cryptable fn.. ");
+    /* generate some nonsense machine instructions */
+    printf("."); printf("."); printf("."); printf(".");
+    printf("\n");
+}
+CRYPT_FNEND(crypted_fn3);
+
+int main(void)
+{
+    srand(time(NULL));
+
+    printf("Before Encryption:\n");
+    printf("crypted_fn:\n");
+    printHexBuf((uint8_t *)crypted_fn, 160, 32);
+    printf("crypted_fn2:\n");
+    printHexBuf((uint8_t *)crypted_fn2, 160, 32);
+    printf("crypted_fn3:\n");
+    printHexBuf((uint8_t *)crypted_fn3, 160, 32);
+
+    printf("\nAfter Encryption:\n");
+    printf("crypted_fn return val: %s\n",
+           crypt_strs[ crypt_func((void *)crypted_fn) ]);
+    printf("crypted_fn2 return val: %s\n",
+           crypt_strs[ crypt_func((void *)crypted_fn2) ]);
+    printf("crypted_fn3 return val: %s\n",
+           crypt_strs[ crypt_func((void *)crypted_fn3) ]);
+
+    printf("crypted_fn:\n");
+    printHexBuf((uint8_t *)crypted_fn, 160, 32);
+    printf("crypted_fn2:\n");
+    printHexBuf((uint8_t *)crypted_fn2, 160, 32);
+    printf("crypted_fn3:\n");
+    printHexBuf((uint8_t *)crypted_fn3, 160, 32);
+
+    printf("\noutput:\n");
+    printf("crypted_fn: 0x%X\n", crypted_fn(0, NULL, NULL));
+    crypted_fn2();
+    crypted_fn3(NULL, (unsigned int)-1, "TEST");
+
+    return 0;
+}