* complete 32-byte blocks. This test goes per byte...
*/
-#include <stdio.h>
#include <string.h>
-
#include <openssl/opensslconf.h>
+#include "testutil.h"
#include "internal/chacha.h"
-const static unsigned int key[] = {
+static const unsigned int key[] = {
0x03020100, 0x07060504, 0x0b0a0908, 0x0f0e0d0c,
0x13121110, 0x17161514, 0x1b1a1918, 0x1f1e1d1c
};
-const static unsigned int ivp[] = {
+static const unsigned int ivp[] = {
0x00000000, 0x00000000, 0x03020100, 0x07060504
};
-const static unsigned char ref[] = {
+static const unsigned char ref[] = {
0xf7, 0x98, 0xa1, 0x89, 0xf1, 0x95, 0xe6, 0x69,
0x82, 0x10, 0x5f, 0xfb, 0x64, 0x0b, 0xb7, 0x75,
0x7f, 0x57, 0x9d, 0xa3, 0x16, 0x02, 0xfc, 0x93,
0xd3, 0x3e, 0xa2, 0x15, 0x5d, 0x10, 0x5d, 0x4e
};
-int main(void)
+static int test_cha_cha_internal(int n)
{
unsigned char buf[sizeof(ref)];
- unsigned int i,j;
- int ret = 0;
-
-#ifdef CPUID_OBJ
- OPENSSL_cpuid_setup();
-#endif
+ unsigned int i = n + 1, j;
- for (i = 1; i <= sizeof(ref); i++) {
- memset(buf, 0, i);
- memcpy(buf + i, ref + i, sizeof(ref) - i);
+ memset(buf, 0, i);
+ memcpy(buf + i, ref + i, sizeof(ref) - i);
- ChaCha20_ctr32(buf, buf, i, key, ivp);
+ ChaCha20_ctr32(buf, buf, i, key, ivp);
- /*
- * Idea behind checking for whole sizeof(ref) is that if
- * ChaCha20_ctr32 oversteps i-th byte, then we'd know
- */
- for (j = 0; j < sizeof(ref); j++) {
- if (buf[j] != ref[j]) {
- fprintf(stderr, "%u failed at %u (%02x)\n", i, j, buf[j]);
- ret = 1;
- break;
- }
+ /*
+ * Idea behind checking for whole sizeof(ref) is that if
+ * ChaCha20_ctr32 oversteps i-th byte, then we'd know
+ */
+ for (j = 0; j < sizeof(ref); j++)
+ if (!TEST_uchar_eq(buf[j], ref[j])) {
+ TEST_info("%d failed at %u (%02x)\n", i, j, buf[j]);
+ return 0;
}
- }
+ return 1;
+}
+
+void register_tests(void)
+{
+#ifdef CPUID_OBJ
+ OPENSSL_cpuid_setup();
+#endif
- return ret;
+ ADD_ALL_TESTS(test_cha_cha_internal, sizeof(ref));
}