aboutsummaryrefslogtreecommitdiffstats
path: root/tests/test-aes.c
diff options
context:
space:
mode:
authorJouni Malinen <j@w1.fi>2012-09-08 21:25:54 (GMT)
committerJouni Malinen <j@w1.fi>2012-09-08 21:25:54 (GMT)
commitc2372d7cf05a360e2a4f186bb71afa9bf6701ff9 (patch)
tree0929233f157a1be70e545344adcd872b45284599 /tests/test-aes.c
parent1cd7a5032a7647b9e1559e46f828ebb13458fe3a (diff)
downloadhostap-c2372d7cf05a360e2a4f186bb71afa9bf6701ff9.zip
hostap-c2372d7cf05a360e2a4f186bb71afa9bf6701ff9.tar.gz
hostap-c2372d7cf05a360e2a4f186bb71afa9bf6701ff9.tar.bz2
Add AES-GCM test vectors from gcm-spec.pdf
Signed-hostap: Jouni Malinen <j@w1.fi>
Diffstat (limited to 'tests/test-aes.c')
-rw-r--r--tests/test-aes.c150
1 files changed, 149 insertions, 1 deletions
diff --git a/tests/test-aes.c b/tests/test-aes.c
index f84d86d..555980b 100644
--- a/tests/test-aes.c
+++ b/tests/test-aes.c
@@ -1,6 +1,6 @@
/*
* Test program for AES
- * Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@@ -160,6 +160,152 @@ static int test_cbc(void)
}
+/*
+ * GCM test vectors from
+ * http://csrc.nist.gov/groups/ST/toolkit/BCM/documents/proposedmodes/gcm/gcm-spec.pdf
+ */
+struct gcm_test_vector {
+ char *k;
+ char *p;
+ char *aad;
+ char *iv;
+ char *c;
+ char *t;
+};
+
+static const struct gcm_test_vector gcm_tests[] = {
+ {
+ /* Test Case 1 */
+ "00000000000000000000000000000000",
+ "",
+ "",
+ "000000000000000000000000",
+ "",
+ "58e2fccefa7e3061367f1d57a4e7455a"
+ },
+ {
+ /* Test Case 2 */
+ "00000000000000000000000000000000",
+ "00000000000000000000000000000000",
+ "",
+ "000000000000000000000000",
+ "0388dace60b6a392f328c2b971b2fe78",
+ "ab6e47d42cec13bdf53a67b21257bddf"
+ },
+ {
+ /* Test Case 3 */
+ "feffe9928665731c6d6a8f9467308308",
+ "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b391aafd255",
+ "",
+ "cafebabefacedbaddecaf888",
+ "42831ec2217774244b7221b784d0d49ce3aa212f2c02a4e035c17e2329aca12e21d514b25466931c7d8f6a5aac84aa051ba30b396a0aac973d58e091473f5985",
+ "4d5c2af327cd64a62cf35abd2ba6fab4"
+ },
+ {
+ /* Test Case 4 */
+ "feffe9928665731c6d6a8f9467308308",
+ "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
+ "feedfacedeadbeeffeedfacedeadbeefabaddad2",
+ "cafebabefacedbaddecaf888",
+ "42831ec2217774244b7221b784d0d49ce3aa212f2c02a4e035c17e2329aca12e21d514b25466931c7d8f6a5aac84aa051ba30b396a0aac973d58e091",
+ "5bc94fbc3221a5db94fae95ae7121a47"
+ },
+#if 0 /* Unsupported IV length */
+ {
+ /* Test Case 5 */
+ "feffe9928665731c6d6a8f9467308308",
+ "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
+ "feedfacedeadbeeffeedfacedeadbeefabaddad2",
+ "cafebabefacedbad",
+ "61353b4c2806934a777ff51fa22a4755699b2a714fcdc6f83766e5f97b6c742373806900e49f24b22b097544d4896b424989b5e1ebac0f07c23f4598",
+ "3612d2e79e3b0785561be14aaca2fccb"
+ },
+#endif
+};
+
+
+static int test_gcm(void)
+{
+ int ret = 0;
+ int i;
+ u8 k[16], aad[32], iv[12], t[16], tag[16];
+ u8 p[64], c[64], tmp[64];
+ size_t p_len, aad_len;
+
+ for (i = 0; i < sizeof(gcm_tests) / sizeof(gcm_tests[0]); i++) {
+ const struct gcm_test_vector *tc = &gcm_tests[i];
+
+ if (hexstr2bin(tc->k, k, sizeof(k))) {
+ printf("Invalid GCM test vector %d (k)\n", i);
+ ret++;
+ continue;
+ }
+
+ p_len = os_strlen(tc->p) / 2;
+ if (hexstr2bin(tc->p, p, p_len)) {
+ printf("Invalid GCM test vector %d (p)\n", i);
+ ret++;
+ continue;
+ }
+
+ aad_len = os_strlen(tc->aad) / 2;
+ if (hexstr2bin(tc->aad, aad, aad_len)) {
+ printf("Invalid GCM test vector %d (aad)\n", i);
+ ret++;
+ continue;
+ }
+
+ if (hexstr2bin(tc->iv, iv, sizeof(iv))) {
+ printf("Invalid GCM test vector %d (iv)\n", i);
+ ret++;
+ continue;
+ }
+
+ if (hexstr2bin(tc->c, c, p_len)) {
+ printf("Invalid GCM test vector %d (c)\n", i);
+ ret++;
+ continue;
+ }
+
+ if (hexstr2bin(tc->t, t, sizeof(t))) {
+ printf("Invalid GCM test vector %d (t)\n", i);
+ ret++;
+ continue;
+ }
+
+ if (aes_128_gcm_ae(k, iv, p, p_len, aad, aad_len, tmp, tag) < 0)
+ {
+ printf("GCM-AE failed (test case %d)\n", i);
+ ret++;
+ continue;
+ }
+
+ if (os_memcmp(c, tmp, p_len) != 0) {
+ printf("GCM-AE mismatch (test case %d)\n", i);
+ ret++;
+ }
+
+ if (os_memcmp(tag, t, sizeof(tag)) != 0) {
+ printf("GCM-AD tag mismatch (test case %d)\n", i);
+ ret++;
+ }
+
+ if (aes_128_gcm_ad(k, iv, c, p_len, aad, aad_len, t, tmp) < 0) {
+ printf("GCM-AD failed (test case %d)\n", i);
+ ret++;
+ continue;
+ }
+
+ if (os_memcmp(p, tmp, p_len) != 0) {
+ printf("GCM-AD mismatch (test case %d)\n", i);
+ ret++;
+ }
+ }
+
+ return ret;
+}
+
+
/* OMAC1 AES-128 test vectors from
* http://csrc.nist.gov/CryptoToolkit/modes/proposedmodes/omac/omac-ad.pdf
* which are same as the examples from NIST SP800-38B
@@ -295,6 +441,8 @@ int main(int argc, char *argv[])
ret += test_cbc();
+ ret += test_gcm();
+
if (ret)
printf("FAILED!\n");