1 files changed, 75 insertions, 0 deletions

diff --git a/test.c b/test.c
new file mode 100644
index 0000000..fb08aa7
--- /dev/null
+++ b/test.c
@@ -0,0 +1,75 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include "aes.h"
+
+static void phex(uint8_t* str);
+static void test_ECB(void);
+
+
+int main(int argc, char** argv)
+{
+    test_ECB();
+    return 0;
+}
+
+
+/* Helpers */
+
+static void test_ECB(void)
+{
+    uint8_t i, buf[64], buf2[64];
+
+    // 128bit key
+    uint8_t key[16] =        { (uint8_t) 0x2b, (uint8_t) 0x7e, (uint8_t) 0x15, (uint8_t) 0x16, (uint8_t) 0x28, (uint8_t) 0xae, (uint8_t) 0xd2, (uint8_t) 0xa6, (uint8_t) 0xab, (uint8_t) 0xf7, (uint8_t) 0x15, (uint8_t) 0x88, (uint8_t) 0x09, (uint8_t) 0xcf, (uint8_t) 0x4f, (uint8_t) 0x3c };
+    // 512bit text
+    uint8_t plain_text[64] = { (uint8_t) 0x6b, (uint8_t) 0xc1, (uint8_t) 0xbe, (uint8_t) 0xe2, (uint8_t) 0x2e, (uint8_t) 0x40, (uint8_t) 0x9f, (uint8_t) 0x96, (uint8_t) 0xe9, (uint8_t) 0x3d, (uint8_t) 0x7e, (uint8_t) 0x11, (uint8_t) 0x73, (uint8_t) 0x93, (uint8_t) 0x17, (uint8_t) 0x2a,
+                               (uint8_t) 0xae, (uint8_t) 0x2d, (uint8_t) 0x8a, (uint8_t) 0x57, (uint8_t) 0x1e, (uint8_t) 0x03, (uint8_t) 0xac, (uint8_t) 0x9c, (uint8_t) 0x9e, (uint8_t) 0xb7, (uint8_t) 0x6f, (uint8_t) 0xac, (uint8_t) 0x45, (uint8_t) 0xaf, (uint8_t) 0x8e, (uint8_t) 0x51,
+                               (uint8_t) 0x30, (uint8_t) 0xc8, (uint8_t) 0x1c, (uint8_t) 0x46, (uint8_t) 0xa3, (uint8_t) 0x5c, (uint8_t) 0xe4, (uint8_t) 0x11, (uint8_t) 0xe5, (uint8_t) 0xfb, (uint8_t) 0xc1, (uint8_t) 0x19, (uint8_t) 0x1a, (uint8_t) 0x0a, (uint8_t) 0x52, (uint8_t) 0xef,
+                               (uint8_t) 0xf6, (uint8_t) 0x9f, (uint8_t) 0x24, (uint8_t) 0x45, (uint8_t) 0xdf, (uint8_t) 0x4f, (uint8_t) 0x9b, (uint8_t) 0x17, (uint8_t) 0xad, (uint8_t) 0x2b, (uint8_t) 0x41, (uint8_t) 0x7b, (uint8_t) 0xe6, (uint8_t) 0x6c, (uint8_t) 0x37, (uint8_t) 0x10 };
+
+    memset(buf, 0, 64);
+    memset(buf2, 0, 64);
+
+    // print text to encrypt, key and IV
+    printf("plain text:\n");
+    for(i = (uint8_t) 0; i < (uint8_t) 4; ++i)
+    {
+        phex(plain_text + i * (uint8_t) 16);
+    }
+    printf("\n");
+
+    printf("key:\n");
+    phex(key);
+    printf("\n");
+
+    // print the resulting cipher as 4 x 16 byte strings
+    printf("ciphertext:\n");
+    for(i = 0; i < 4; ++i)
+    {
+        AES128_ECB(plain_text + (i*16), key, buf+(i*16));
+        phex(buf + (i*16));
+    }
+    printf("\n");
+
+    // print the resulting cipher as 4 x 16 byte strings
+    printf("back to plain text again:\n");
+    for(i = 0; i < 4; ++i)
+    {
+        AES128_ECB(buf + (i*16), key, buf2+(i*16));
+        phex(plain_text + (i*16));
+    }
+    printf("\n");
+}
+
+
+// prints string as hex
+void phex(uint8_t* str)
+{
+    unsigned char i;
+    for(i = 0; i < 16; ++i)
+        printf("%.2x", str[i]);
+    printf("\n");
+}
+
+