Add a unit test for the curve25519 keypair persistence functions

This commit is contained in:
Nick Mathewson 2013-01-03 12:38:44 -05:00
parent b1bdecd703
commit 27ac306deb

View File

@ -9,6 +9,7 @@
#include "or.h"
#include "test.h"
#include "aes.h"
#include "util.h"
#ifdef CURVE25519_ENABLED
#include "crypto_curve25519.h"
#endif
@ -1005,6 +1006,59 @@ test_crypto_curve25519_wrappers(void *arg)
done:
;
}
static void
test_crypto_curve25519_persist(void *arg)
{
curve25519_keypair_t keypair, keypair2;
char *fname = tor_strdup(get_fname("curve25519_keypair"));
char *tag = NULL;
char *content = NULL;
const char *cp;
struct stat st;
(void)arg;
tt_int_op(0,==,curve25519_keypair_generate(&keypair, 0));
tt_int_op(0,==,curve25519_keypair_write_to_file(&keypair, fname, "testing"));
tt_int_op(0,==,curve25519_keypair_read_from_file(&keypair2, &tag, fname));
tt_str_op(tag,==,"testing");
test_memeq(keypair.pubkey.public_key,
keypair2.pubkey.public_key,
CURVE25519_PUBKEY_LEN);
test_memeq(keypair.seckey.secret_key,
keypair2.seckey.secret_key,
CURVE25519_SECKEY_LEN);
content = read_file_to_str(fname, RFTS_BIN, &st);
tt_assert(content);
tt_assert(!strcmpstart(content, "== c25519v1: testing =="));
cp = content + strlen("== c25519v1: testing ==");
tt_int_op(st.st_size, ==, 64 + strlen("== c25519v1: testing =="));
test_memeq(keypair.seckey.secret_key,
cp,
CURVE25519_SECKEY_LEN);
cp += CURVE25519_SECKEY_LEN;
test_memeq(keypair.pubkey.public_key,
cp,
CURVE25519_SECKEY_LEN);
tor_free(fname);
fname = tor_strdup(get_fname("bogus_keypair"));
tt_int_op(-1, ==, curve25519_keypair_read_from_file(&keypair2, &tag, fname));
content[64] ^= 0xff;
tt_int_op(0, ==, write_bytes_to_file(fname, content, st.st_size, 1));
tt_int_op(-1, ==, curve25519_keypair_read_from_file(&keypair2, &tag, fname));
done:
tor_free(fname);
tor_free(content);
}
#endif
static void *
@ -1043,6 +1097,7 @@ struct testcase_t crypto_tests[] = {
#ifdef CURVE25519_ENABLED
{ "curve25519_impl", test_crypto_curve25519_impl, 0, NULL, NULL },
{ "curve25519_wrappers", test_crypto_curve25519_wrappers, 0, NULL, NULL },
{ "curve25519_persist", test_crypto_curve25519_persist, 0, NULL, NULL },
#endif
END_OF_TESTCASES
};