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r19039@catbus: nickm | 2008-03-25 12:15:58 -0400

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Add some unit tests, particularly for AES counter mode.


svn:r14180
This commit is contained in:
Nick Mathewson 2008-03-25 16:16:05 +00:00
parent 0e86cd06fe
commit 41deb5cd7b
3 changed files with 80 additions and 6 deletions
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1
ChangeLog
View File

@ -31,6 +31,7 @@ Changes in version 0.2.1.1-alpha - 2008-??-??
fixed in late 2006. Our new behavior is to call RAND_poll() at
startup, and to call RAND_poll() when we reseed later only if we
have a non-buggy OpenSSL version.
- Lots of new unit tests.
o Code simplifications and refactoring:
- Refactor code using connection_ap_handshake_attach_circuit() to

23
src/common/test.h
View File

@ -142,6 +142,29 @@ extern int have_failed;
return; \
} STMT_END
#define test_memeq_hex(expr1, hex) \
STMT_BEGIN \
const void *_test_v1 = (expr1); \
const char *_test_v2 = (hex); \
size_t _len_v2 = strlen(_test_v2); \
char *mem2 = tor_malloc(_len_v2/2); \
tor_assert((_len_v2 & 1) == 0); \
base16_decode(mem2, _len_v2/2, _test_v2, _len_v2); \
if (!memcmp(mem2, _test_v1, _len_v2/2)) { \
printf("."); fflush(stdout); } else { \
char *mem1 = tor_malloc(_len_v2)+1; \
base16_encode(mem1, _len_v2+1, _test_v1, _len_v2/2); \
printf("\nFile %s: line %d (%s): Assertion failed: (%s==%s)\n" \
" %s != %s\n", \
_SHORT_FILE_, \
__LINE__, \
PRETTY_FUNCTION, \
#expr1, _test_v2, mem1, _test_v2); \
return; \
} \
tor_free(mem2); \
STMT_END
#define test_memneq(expr1, expr2, len) \
STMT_BEGIN \
void *_test_v1=(expr1), *_test_v2=(expr2); \

62
src/or/test.c
View File

@ -456,14 +456,56 @@ test_crypto(void)
crypto_free_cipher_env(env1);
crypto_free_cipher_env(env2);
/* Test vectors for stream ciphers. */
/* XXXX Look up some test vectors for the ciphers and make sure we match. */
/* NIST test vector for aes. */
env1 = crypto_new_cipher_env(); /* IV starts at 0 */
crypto_cipher_set_key(env1, "\x80\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00");
crypto_cipher_encrypt_init_cipher(env1);
crypto_cipher_encrypt(env1, data1,
"\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00", 16);
test_memeq_hex(data1, "0EDD33D3C621E546455BD8BA1418BEC8");
/* Now test rollover. All these values are originally from a python
* script. */
crypto_cipher_set_iv(env1, "\x00\x00\x00\x00\x00\x00\x00\x00"
"\xff\xff\xff\xff\xff\xff\xff\xff");
memset(data2, 0, 1024);
crypto_cipher_encrypt(env1, data1, data2, 32);
test_memeq_hex(data1, "335fe6da56f843199066c14a00a40231"
"cdd0b917dbc7186908a6bfb5ffd574d3");
crypto_cipher_set_iv(env1, "\x00\x00\x00\x00\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff");
memset(data2, 0, 1024);
crypto_cipher_encrypt(env1, data1, data2, 32);
test_memeq_hex(data1, "e627c6423fa2d77832a02b2794094b73"
"3e63c721df790d2c6469cc1953a3ffac");
crypto_cipher_set_iv(env1, "\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff");
memset(data2, 0, 1024);
crypto_cipher_encrypt(env1, data1, data2, 32);
test_memeq_hex(data1, "2aed2bff0de54f9328efd070bf48f70a"
"0EDD33D3C621E546455BD8BA1418BEC8");
/* Now check rollover on inplace cipher. */
crypto_cipher_set_iv(env1, "\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff");
crypto_cipher_crypt_inplace(env1, data2, 64);
test_memeq_hex(data2, "2aed2bff0de54f9328efd070bf48f70a"
"0EDD33D3C621E546455BD8BA1418BEC8"
"93e2c5243d6839eac58503919192f7ae"
"1908e67cafa08d508816659c2e693191");
crypto_cipher_set_iv(env1, "\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff");
crypto_cipher_crypt_inplace(env1, data2, 64);
test_assert(tor_mem_is_zero(data2, 64));
crypto_free_cipher_env(env1);
/* Test SHA-1 with a test vector from the specification. */
i = crypto_digest(data1, "abc", 3);
test_memeq(data1,
"\xA9\x99\x3E\x36\x47\x06\x81\x6A\xBA\x3E\x25\x71\x78"
"\x50\xC2\x6C\x9C\xD0\xD8\x9D", 20);
test_memeq_hex(data1, "A9993E364706816ABA3E25717850C26C9CD0D89D");
/* Test HMAC-SHA-1 with test cases from RFC2202. */
{
@ -768,6 +810,11 @@ test_util(void)
test_eq(-1, parse_rfc1123_time("Wed, zz Aug 2004 99-99x99 GMT", &t_res));
tor_gettimeofday(&start);
/* Tests for corner cases of strl operations */
test_eq(5, strlcpy(buf, "Hello", 0));
strlcpy(buf, "Hello", sizeof(buf));
test_eq(10, strlcat(buf, "Hello", 5));
/* Test tor_strstrip() */
strlcpy(buf, "Testing 1 2 3", sizeof(buf));
tor_strstrip(buf, ",!");
@ -996,7 +1043,7 @@ test_util(void)
test_eq_ptr(eat_whitespace(s), s+5);
}
/* Test memmem */
/* Test memmem and memstr */
{
const char *haystack = "abcde";
tor_assert(!tor_memmem(haystack, 5, "ef", 2));
@ -1004,6 +1051,9 @@ test_util(void)
test_eq_ptr(tor_memmem(haystack, 5, "cde", 3), haystack + 2);
haystack = "ababcad";
test_eq_ptr(tor_memmem(haystack, 7, "abc", 3), haystack + 2);
test_eq_ptr(tor_memstr(haystack, 7, "abc"), haystack + 2);
test_assert(!tor_memstr(haystack, 7, "fe"));
test_assert(!tor_memstr(haystack, 7, "longerthantheoriginal"));
}
/* Test wrap_string */