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Add AES-GCM test vectors from gcm-spec.pdf

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Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2012-09-09 00:25:54 +03:00
parent 1cd7a5032a
commit c2372d7cf0
2 changed files with 150 additions and 2 deletions
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2
tests/Makefile
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@ -39,7 +39,7 @@ LLIBS = -Wl,--start-group $(DLIBS) -Wl,--end-group $(SLIBS)
test-aes: test-aes.o $(LIBS)
$(LDO) $(LDFLAGS) -o $@ $^
$(LDO) $(LDFLAGS) -o $@ $^ $(LLIBS)
test-asn1: test-asn1.o $(LIBS)
$(LDO) $(LDFLAGS) -o $@ $^

150
tests/test-aes.c
View File

@ -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");