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test: improve nts_ntp_auth test

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This commit is contained in:
Miroslav Lichvar
2024-11-14 13:43:22 +01:00
parent 2205eae2a1
commit 9856bf2d5f
1 changed files with 31 additions and 2 deletions
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33
test/unit/nts_ntp_auth.c
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@@ -39,6 +39,18 @@ test_unit(void)
int i, j, r, packet_length, nonce_length, key_length; int i, j, r, packet_length, nonce_length, key_length;
int plaintext_length, plaintext2_length, min_ef_length; int plaintext_length, plaintext2_length, min_ef_length;
TEST_CHECK(get_padding_length(0) == 0);
TEST_CHECK(get_padding_length(1) == 3);
TEST_CHECK(get_padding_length(2) == 2);
TEST_CHECK(get_padding_length(3) == 1);
TEST_CHECK(get_padding_length(4) == 0);
TEST_CHECK(get_padded_length(0) == 0);
TEST_CHECK(get_padded_length(1) == 4);
TEST_CHECK(get_padded_length(2) == 4);
TEST_CHECK(get_padded_length(3) == 4);
TEST_CHECK(get_padded_length(4) == 4);
TEST_CHECK(get_padded_length(5) == 8);
for (algo = 1; algo < 100; algo++) { for (algo = 1; algo < 100; algo++) {
siv = SIV_CreateInstance(algo); siv = SIV_CreateInstance(algo);
if (!siv) { if (!siv) {
@@ -102,20 +114,37 @@ test_unit(void)
r = NNA_GenerateAuthEF(&packet, &info, siv, nonce, nonce_length, plaintext, r = NNA_GenerateAuthEF(&packet, &info, siv, nonce, nonce_length, plaintext,
plaintext_length, min_ef_length); plaintext_length, min_ef_length);
TEST_CHECK(r); TEST_CHECK(r);
TEST_CHECK(info.ext_fields == 1);
TEST_CHECK(info.length - packet_length >= min_ef_length); TEST_CHECK(info.length - packet_length >= min_ef_length);
TEST_CHECK(info.length - packet_length == get_padded_length(min_ef_length) ||
info.length - packet_length == 4 + 4 +
get_padded_length(MAX(MIN(16, SIV_GetMaxNonceLength(siv)), nonce_length)) +
get_padded_length(plaintext_length) + SIV_GetTagLength(siv));
r = NNA_DecryptAuthEF(&packet, &info, siv, packet_length, plaintext2, r = NNA_DecryptAuthEF(&packet, &info, siv, packet_length, plaintext2,
-1, &plaintext2_length); -1, &plaintext2_length);
TEST_CHECK(!r); TEST_CHECK(!r);
if (random() % 2) {
for (j = 0; j < get_padding_length(nonce_length); j++)
((unsigned char *)&packet)[packet_length + 4 + 4 + nonce_length + j]++;
for (j = packet_length + 4 + 4 + get_padded_length(nonce_length) +
plaintext_length + SIV_GetTagLength(siv); j < sizeof (packet); j++)
((unsigned char *)&packet)[j]++;
}
r = NNA_DecryptAuthEF(&packet, &info, siv, packet_length, plaintext2, r = NNA_DecryptAuthEF(&packet, &info, siv, packet_length, plaintext2,
sizeof (plaintext2), &plaintext2_length); sizeof (plaintext2), &plaintext2_length);
TEST_CHECK(r); TEST_CHECK(r);
TEST_CHECK(plaintext_length == plaintext2_length); TEST_CHECK(plaintext_length == plaintext2_length);
TEST_CHECK(memcmp(plaintext, plaintext2, plaintext_length) == 0); TEST_CHECK(memcmp(plaintext, plaintext2, plaintext_length) == 0);
j = random() % (packet_length + plaintext_length + if (random() % 2) {
nonce_length + SIV_GetTagLength(siv) + 8) / 4 * 4; j = random() % (packet_length + 4 + 4 + nonce_length);
} else {
j = packet_length + 4 + 4 + get_padded_length(nonce_length);
j += random() % (plaintext_length + SIV_GetTagLength(siv));
}
((unsigned char *)&packet)[j]++; ((unsigned char *)&packet)[j]++;
r = NNA_DecryptAuthEF(&packet, &info, siv, packet_length, plaintext2, r = NNA_DecryptAuthEF(&packet, &info, siv, packet_length, plaintext2,
sizeof (plaintext2), &plaintext2_length); sizeof (plaintext2), &plaintext2_length);