1 files changed, 35 insertions, 0 deletions
diff --git a/set3/task19.c b/set3/task19.c
new file mode 100644
index 0000000..a036f4f
--- /dev/null
+++ b/set3/task19.c
@@ -0,0 +1,35 @@
+#include "../lib/lib.h"
+#include "../lib/lib2.h"
+#include "../lib/lib3.h"
+#include <time.h>
+
+#define CHALLENGE19_FILE_NR 40
+int main()
+{
+	int i;
+	char **file = malloc(sizeof(char *)*CHALLENGE19_FILE_NR);
+	int length_file[CHALLENGE19_FILE_NR];
+	int length[CHALLENGE19_FILE_NR];
+	char **plaintext= malloc(sizeof(char *)*CHALLENGE19_FILE_NR);
+	char **ciphertext= malloc(sizeof(char *)*CHALLENGE19_FILE_NR);
+	char filename[] = "./task19_data/task19_00";
+
+	char nonce[16];
+	generate_random_bytes(key, 16);
+	generate_random_bytes(nonce, 16);
+
+	for(i=0;i<CHALLENGE19_FILE_NR;i++) {
+		filename[strlen(filename)-1] = ((i % 10)+ '0');
+		filename[strlen(filename)-2] = ((i / 10) + '0');
+		length_file[i] = read_base64_file(filename, &file[i]);
+		plaintext[i] = malloc(length_file[i]);
+		length[i] = decode_base64(file[i], plaintext[i]);
+		printf("%s\n", plaintext[i]);
+		ciphertext[i] = malloc(length[i]);
+		aes_ctr(plaintext[i], length[i], ciphertext[i], key, nonce);
+	}
+
+	// let the cracking begin
+
+
+}