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unit-tests: Use plugin-provided prf+ in unit test

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This tests the params API and the counter overflow.
This commit is contained in:
Tobias Brunner 2022-02-15 13:43:58 +01:00
parent df16d7902a
commit be07b9dc01
2 changed files with 107 additions and 105 deletions
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210
src/libstrongswan/tests/suites/test_prf_plus.c
View File

@ -15,129 +15,132 @@
#include "test_suite.h"
#include <crypto/prf_plus.h>
#include <library.h>
static struct {
chunk_t key;
chunk_t seed;
chunk_t iterations[10];
} counter_data[] = {
chunk_t expected;
} test_data[] = {
{ .key = chunk_from_chars(0x0b,0x0b,0x0b,0x0b,0x0b,0x0b,0x0b,0x0b,
0x0b,0x0b,0x0b,0x0b,0x0b,0x0b,0x0b,0x0b,
0x0b,0x0b,0x0b,0x0b),
.seed = chunk_from_chars(0x48,0x69,0x20,0x54,0x68,0x65,0x72,0x65),
.iterations = {
chunk_from_chars(0xb9,0xbd,0xc0),
chunk_from_chars(0x89,0x88,0xb4,0xc2,0xb7,0x5a),
chunk_from_chars(0xa9,0x3e,0x59,0x6a,0xc8,0x42,0x05),
chunk_from_chars(0xfa,0x2d,0xdd,0xe1,0xbf,0x7a,0x25,0x72,
0x06,0x7b,0x00,0xe1,0x4b,0x23,0x77,0x32),
chunk_from_chars(0x83,0x05,0x09,0x98,0x1a,0xd2,0xf9,0x4a),
chunk_from_chars(0x8c,0x32,0xa4,0x7d,0xaa,0x22,0x55,0xb6),
chunk_from_chars(0x60,0xc4,0x36,0x34,0x7a,0xe7,0x56,0xa6,
0xed,0xc0,0x23,0x47,0x7d,0x80),
chunk_from_chars(0x95,0x90,0xe6,0x82,0xf6,0x1d,0x9c,0x04,
0xb0,0x6b,0x4a,0xd9,0x71,0xa3,0x4c,0x81,
0x47,0xfa,0x66,0x79),
chunk_from_chars(0x2f,0xf1,0x43,0x4b,0x93,0xc7,0x22,0xb3,
0x2e,0x12,0xf4,0x88,0x32,0xeb,0xc1,0x5c,
0xe2,0x36,0x9c,0xe7,0x1f,0xe9,0xb7,0xb8,
0x1e,0x57,0x04,0xc1,0x4d,0x0f,0x52,0x80,
0xa6,0xec,0x62,0x6e,0x99,0x2d,0x7a,0x9f),
},
.expected = chunk_from_chars(0xb9,0xbd,0xc0,0x89,0x88,0xb4,0xc2,0xb7,
0x5a,0xa9,0x3e,0x59,0x6a,0xc8,0x42,0x05,
0xfa,0x2d,0xdd,0xe1,0xbf,0x7a,0x25,0x72,
0x06,0x7b,0x00,0xe1,0x4b,0x23,0x77,0x32,
0x83,0x05,0x09,0x98,0x1a,0xd2,0xf9,0x4a,
0x8c,0x32,0xa4,0x7d,0xaa,0x22,0x55,0xb6,
0x60,0xc4,0x36,0x34,0x7a,0xe7,0x56,0xa6,
0xed,0xc0,0x23,0x47,0x7d,0x80,0x95,0x90,
0xe6,0x82,0xf6,0x1d,0x9c,0x04,0xb0,0x6b,
0x4a,0xd9,0x71,0xa3,0x4c,0x81,0x47,0xfa,
0x66,0x79,0x2f,0xf1,0x43,0x4b,0x93,0xc7,
0x22,0xb3,0x2e,0x12,0xf4,0x88,0x32,0xeb,
0xc1,0x5c,0xe2,0x36,0x9c,0xe7,0x1f,0xe9,
0xb7,0xb8,0x1e,0x57,0x04,0xc1,0x4d,0x0f,
0x52,0x80,0xa6,0xec,0x62,0x6e,0x99,0x2d,
0x7a,0x9f),
},
/* change the key, keep the seed */
{ .key = chunk_from_chars(0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,
0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,
0x0a,0x0a,0x0a,0x0a),
.expected = chunk_from_chars(0x1a,0x2f,0xc7,0x4a,0x06,0x8c,0xae,0x76,
0xfa,0xb3,0xd6,0x34,0xae,0xe9,0x81,0x55,
0x11,0x6a,0x4b,0x21,0xe1,0x0d,0x1b,0x16,
0x45,0x7a,0x06,0xd9,0x42,0x27,0x93,0x98,
0xf7,0x4d,0xf1,0x59,0xc1,0x25,0x21,0xae,
0xe6,0xf4,0x80,0x01,0xe5,0x86,0x8e,0xa7,
0x4b,0x1e,0x13,0xd1,0xcf,0xdc,0xb7,0x7b,
0xf8,0xcf,0x75,0x2c,0x67,0x13,0x18,0x7a,
0x38,0x55,0xba,0x4b,0xf2,0x57,0x55,0xcd,
0x96,0x20,0xcb,0xe3,0xc4,0x8a,0x7f,0xa3,
0x86,0xa5,0xc6,0x26,0x8e,0x57,0xd8,0xe0,
0xb6,0xf9,0x8a,0x41,0x16,0x82,0x64,0x8a),
},
/* change the seed, keep the key */
{ .seed = chunk_from_chars(0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10),
.expected = chunk_from_chars(0x8b,0x90,0x9c,0xbc,0xbb,0xf1,0x72,0x63,
0x6b,0x4e,0x63,0xcd,0x7e,0xc5,0xe3,0x45,
0x57,0x3e,0xbf,0x72,0x8f,0x62,0xa4,0x9b,
0x83,0x7b,0xd9,0x53,0xc0,0x0c,0xad,0x3d,
0x19,0x16,0x28,0x81,0x85,0xf9,0x27,0xb6,
0xc4,0x0c,0x48,0x31,0x45,0x12,0x3b,0x5a,
0xb8,0x47,0xd0,0x19,0x6e,0x6b,0x1c,0x5a,
0x2a,0xc1,0xe5,0x1e,0xc5,0x43,0xcc,0xd4,
0x28,0xba,0x30,0x4b,0x5e,0xad,0x97,0xa7,
0xc0,0x9d,0x13,0xdd,0xfb,0x4a,0x42,0x43,
0x87,0xd6,0x22,0xf6,0x03,0x19,0x21,0x31,
0x6a,0xa6,0x38,0x44,0xa5,0x61,0xf6,0x23,
0x0c,0x50,0x14,0xcc,0xce,0x09,0x5f,0xb3,
0xcc,0xe4,0xcb,0x8f,0x43,0xdc,0x2b,0x65,
0xfd,0x42,0xcc,0xeb,0x49,0x0e,0xcb,0xeb,
0x47,0x30,0xb5,0x18,0x6d,0x34,0x7a,0xea,
0xad,0xfd,0x66,0xa7,0x7e,0xd3,0x3f,0x42,
0xdf,0x75,0x54,0xef,0x5f,0x4f,0x7e,0x26,
0xf9,0x38,0x73,0x26,0x92,0x7a,0xc7,0x80),
},
};
START_TEST(test_vectors_counter)
START_TEST(test_params)
{
prf_plus_t *prf_plus;
prf_t *prf;
chunk_t *iter = counter_data[_i].iterations, out;
kdf_t *kdf;
chunk_t out;
int i;
prf = lib->crypto->create_prf(lib->crypto, PRF_HMAC_SHA2_256);
ck_assert(prf->set_key(prf, counter_data[_i].key));
prf_plus = prf_plus_create(prf, TRUE, counter_data[_i].seed);
while (iter->ptr)
kdf = lib->crypto->create_kdf(lib->crypto, KDF_PRF_PLUS, PRF_HMAC_SHA2_256);
if (!kdf)
{
ck_assert(prf_plus->allocate_bytes(prf_plus, iter->len, &out));
ck_assert_chunk_eq(*iter, out);
chunk_free(&out);
iter++;
warn("%N (%N) not supported", key_derivation_function_names,
KDF_PRF_PLUS, pseudo_random_function_names, PRF_HMAC_SHA2_256);
return;
}
prf_plus->destroy(prf_plus);
prf->destroy(prf);
for (i = 0; i < countof(test_data); i++)
{
if (test_data[i].key.len)
{
ck_assert(kdf->set_param(kdf, KDF_PARAM_KEY, test_data[i].key));
}
if (test_data[i].seed.len)
{
ck_assert(kdf->set_param(kdf, KDF_PARAM_SALT, test_data[i].seed));
}
ck_assert(kdf->allocate_bytes(kdf, test_data[i].expected.len, &out));
ck_assert_chunk_eq(test_data[i].expected, out);
chunk_free(&out);
/* same output the second time */
ck_assert(kdf->allocate_bytes(kdf, test_data[i].expected.len, &out));
ck_assert_chunk_eq(test_data[i].expected, out);
chunk_free(&out);
}
kdf->destroy(kdf);
}
END_TEST
START_TEST(test_wrap)
{
prf_plus_t *prf_plus;
prf_t *prf;
u_char buf[32];
int i;
kdf_t *kdf;
chunk_t out;
prf = lib->crypto->create_prf(lib->crypto, PRF_HMAC_SHA2_256);
ck_assert(prf->set_key(prf, counter_data[0].key));
prf_plus = prf_plus_create(prf, TRUE, counter_data[0].seed);
for (i = 1; i < 256; i++)
kdf = lib->crypto->create_kdf(lib->crypto, KDF_PRF_PLUS, PRF_HMAC_SHA2_256);
if (!kdf)
{
ck_assert(prf_plus->get_bytes(prf_plus, sizeof(buf), buf));
warn("%N (%N) not supported", key_derivation_function_names,
KDF_PRF_PLUS, pseudo_random_function_names, PRF_HMAC_SHA2_256);
return;
}
ck_assert(!prf_plus->get_bytes(prf_plus, sizeof(buf), buf));
prf_plus->destroy(prf_plus);
prf->destroy(prf);
}
END_TEST
ck_assert(kdf->set_param(kdf, KDF_PARAM_KEY, test_data[0].key));
ck_assert(kdf->set_param(kdf, KDF_PARAM_SALT, test_data[0].seed));
static struct {
chunk_t key;
chunk_t seed;
chunk_t iterations[10];
} classic_data[] = {
{ .key = chunk_from_chars(0x0b,0x0b,0x0b,0x0b,0x0b,0x0b,0x0b,0x0b,
0x0b,0x0b,0x0b,0x0b,0x0b,0x0b,0x0b,0x0b,
0x0b,0x0b,0x0b,0x0b),
.seed = chunk_from_chars(0x48,0x69,0x20,0x54,0x68,0x65,0x72,0x65),
.iterations = {
chunk_from_chars(0xb0,0x34,0x4c),
chunk_from_chars(0x61,0xd8,0xdb,0x38,0x53,0x5c),
chunk_from_chars(0xa8,0xaf,0xce,0xaf,0x0b,0xf1,0x2b),
chunk_from_chars(0x88,0x1d,0xc2,0x00,0xc9,0x83,0x3d,0xa7,
0x26,0xe9,0x37,0x6c,0x2e,0x32,0xcf,0xf7),
chunk_from_chars(0xd0,0x9a,0xe2,0x4b,0x3a,0x83,0xff,0xd4),
chunk_from_chars(0xb1,0xef,0xa5,0x94,0x5c,0xc5,0xed,0x85),
chunk_from_chars(0xb0,0xb2,0xcc,0x56,0xfc,0xf7,0x5d,0x23,
0xa0,0xa3,0x4c,0xa4,0xdb,0xff,),
chunk_from_chars(0xea,0xfd,0xaa,0x6a,0x3b,0xf4,0x11,0x34,
0x24,0xe4,0x50,0x2d,0xf9,0x7a,0x76,0x93,
0x24,0xf6,0x11,0x24),
chunk_from_chars(0x24,0x3b,0x99,0x6e,0x7d,0x0f,0x35,0x99,
0x88,0x79,0x73,0x6b,0xdb,0x70,0x65,0x9a,
0x6e,0xfa,0xd2,0x39,0x94,0x10,0xe6,0xce,
0x80,0x45,0x6e,0xb6,0x07,0x07,0x8f,0xe1,
0xc4,0x7c,0x6b,0x5e,0x81,0x65,0x47,0x8a),
},
},
};
START_TEST(test_vectors_classic)
{
prf_plus_t *prf_plus;
prf_t *prf;
chunk_t *iter = classic_data[_i].iterations, out;
prf = lib->crypto->create_prf(lib->crypto, PRF_HMAC_SHA2_256);
ck_assert(prf->set_key(prf, classic_data[_i].key));
prf_plus = prf_plus_create(prf, FALSE, classic_data[_i].seed);
while (iter->ptr)
{
ck_assert(prf_plus->allocate_bytes(prf_plus, iter->len, &out));
ck_assert_chunk_eq(*iter, out);
chunk_free(&out);
iter++;
}
prf_plus->destroy(prf_plus);
prf->destroy(prf);
/* the 1-byte counter overflows after 255 blocks of the underlying PRF */
out = chunk_alloc(32 * 255 + 1);
ck_assert(kdf->get_bytes(kdf, out.len - 1 , out.ptr));
ck_assert(!kdf->get_bytes(kdf, out.len, out.ptr));
chunk_free(&out);
kdf->destroy(kdf);
}
END_TEST
@ -148,13 +151,12 @@ Suite *prf_plus_suite_create()
s = suite_create("prf_plus");
tc = tcase_create("counter");
tcase_add_loop_test(tc, test_vectors_counter, 0, countof(counter_data));
tcase_add_test(tc, test_wrap);
tc = tcase_create("params");
tcase_add_test(tc, test_params);
suite_add_tcase(s, tc);
tc = tcase_create("no counter");
tcase_add_loop_test(tc, test_vectors_classic, 0, countof(classic_data));
tc = tcase_create("wrap");
tcase_add_test(tc, test_wrap);
suite_add_tcase(s, tc);
return s;

2
src/libstrongswan/tests/tests.h
View File

@ -55,7 +55,7 @@ TEST_SUITE(asn1_parser_suite_create)
TEST_SUITE(rng_tester_suite_create)
TEST_SUITE_DEPEND(mgf1_sha1_suite_create, XOF, XOF_MGF1_SHA1)
TEST_SUITE_DEPEND(mgf1_sha256_suite_create, XOF, XOF_MGF1_SHA256)
TEST_SUITE_DEPEND(prf_plus_suite_create, PRF, PRF_HMAC_SHA2_256)
TEST_SUITE_DEPEND(prf_plus_suite_create, KDF, KDF_PRF_PLUS)
TEST_SUITE_DEPEND(ntru_suite_create, DH, NTRU_112_BIT)
TEST_SUITE_DEPEND(fetch_http_suite_create, FETCHER, "http://")
TEST_SUITE_DEPEND(ed25519_suite_create, PRIVKEY_GEN, KEY_ED25519)