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#ifndef GNUTLS_TESTS_X509SIGN_VERIFY_COMMON_H
#define GNUTLS_TESTS_X509SIGN_VERIFY_COMMON_H
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "<%d> %s", level, str);
}
/* sha1 hash of "hello" string */
const gnutls_datum_t sha1_data = {
(void *)"\xaa\xf4\xc6\x1d\xdc\xc5\xe8\xa2\xda\xbe"
"\xde\x0f\x3b\x48\x2c\xd9\xae\xa9\x43\x4d",
20
};
/* sha1 hash of "hello" string */
const gnutls_datum_t sha256_data = {
(void *)"\x2c\xf2\x4d\xba\x5f\xb0\xa3\x0e\x26\xe8"
"\x3b\x2a\xc5\xb9\xe2\x9e\x1b\x16\x1e\x5c"
"\x1f\xa7\x42\x5e\x73\x04\x33\x62\x93\x8b"
"\x98\x24",
32
};
/* gost r 34.11-94 hash of "hello" string */
const gnutls_datum_t gostr94_data = {
(void *)"\x92\xea\x6d\xdb\xaf\x40\x02\x0d\xf3\x65"
"\x1f\x27\x8f\xd7\x15\x12\x17\xa2\x4a\xa8"
"\xd2\x2e\xbd\x25\x19\xcf\xd4\xd8\x9e\x64"
"\x50\xea",
32
};
/* Streebog-256 hash of "hello" string */
const gnutls_datum_t streebog256_data = {
(void *)"\x3f\xb0\x70\x0a\x41\xce\x6e\x41\x41\x3b"
"\xa7\x64\xf9\x8b\xf2\x13\x5b\xa6\xde\xd5"
"\x16\xbe\xa2\xfa\xe8\x42\x9c\xc5\xbd\xd4"
"\x6d\x6d",
32
};
/* Streebog-512 hash of "hello" string */
const gnutls_datum_t streebog512_data = {
(void *)"\x8d\xf4\x14\x26\x09\x66\xbe\xb7\xb3\x4d"
"\x92\x07\x63\x07\x9e\x15\xdf\x1f\x63\x29"
"\x7e\xb3\xdd\x43\x11\xe8\xb5\x85\xd4\xbf"
"\x2f\x59\x23\x21\x4f\x1d\xfe\xd3\xfd\xee"
"\x4a\xaf\x01\x83\x30\xa1\x2a\xcd\xe0\xef"
"\xcc\x33\x8e\xb5\x29\x22\xf3\xe5\x71\x21"
"\x2d\x42\xc8\xde",
64
};
const gnutls_datum_t invalid_hash_data = {
(void *)"\xaa\xf4\xc6\x1d\xdc\xca\xe8\xa2\xda\xbe"
"\xde\x0f\x3b\x48\x2c\xb9\xae\xa9\x43\x4d",
20
};
const gnutls_datum_t raw_data = { (void *)"hello", 5 };
static void print_keys(gnutls_privkey_t privkey, gnutls_pubkey_t pubkey)
{
gnutls_x509_privkey_t xkey;
gnutls_datum_t out;
int ret = gnutls_privkey_export_x509(privkey, &xkey);
if (ret < 0)
fail("error in privkey export\n");
ret = gnutls_x509_privkey_export2(xkey, GNUTLS_X509_FMT_PEM, &out);
if (ret < 0)
fail("error in privkey export\n");
fprintf(stderr, "%s\n", out.data);
gnutls_free(out.data);
ret = gnutls_pubkey_export2(pubkey, GNUTLS_X509_FMT_PEM, &out);
if (ret < 0)
fail("error in pubkey export\n");
fprintf(stderr, "%s\n", out.data);
gnutls_free(out.data);
gnutls_x509_privkey_deinit(xkey);
}
#define ERR \
fail("Failure at: %s (%s-%s) (iter: %d)\n", \
gnutls_sign_get_name(sign_algo), gnutls_pk_get_name(pk), \
gnutls_digest_get_name(hash), j);
static void test_sig(gnutls_pk_algorithm_t pk, unsigned hash, unsigned bits)
{
gnutls_pubkey_t pubkey;
gnutls_privkey_t privkey;
gnutls_sign_algorithm_t sign_algo;
gnutls_datum_t signature;
const gnutls_datum_t *hash_data;
int ret;
unsigned j;
unsigned vflags = 0;
if (hash == GNUTLS_DIG_SHA1) {
hash_data = &sha1_data;
vflags |= GNUTLS_VERIFY_ALLOW_SIGN_WITH_SHA1;
} else if (hash == GNUTLS_DIG_SHA256)
hash_data = &sha256_data;
else if (hash == GNUTLS_DIG_GOSTR_94) {
hash_data = &gostr94_data;
vflags |= GNUTLS_VERIFY_ALLOW_BROKEN;
} else if (hash == GNUTLS_DIG_STREEBOG_256)
hash_data = &streebog256_data;
else if (hash == GNUTLS_DIG_STREEBOG_512)
hash_data = &streebog512_data;
else
abort();
sign_algo = gnutls_pk_to_sign(pk, hash);
for (j = 0; j < 100; j++) {
ret = gnutls_pubkey_init(&pubkey);
if (ret < 0)
ERR;
ret = gnutls_privkey_init(&privkey);
if (ret < 0)
ERR;
ret = gnutls_privkey_generate(privkey, pk, bits, 0);
if (ret < 0)
ERR;
ret = gnutls_privkey_sign_hash(privkey, hash, 0, hash_data,
&signature);
if (ret < 0)
ERR;
ret = gnutls_pubkey_import_privkey(
pubkey, privkey, GNUTLS_KEY_DIGITAL_SIGNATURE, 0);
if (ret < 0)
ERR;
ret = gnutls_pubkey_verify_hash2(pubkey, sign_algo, vflags,
hash_data, &signature);
if (ret < 0) {
print_keys(privkey, pubkey);
ERR;
}
/* should fail */
ret = gnutls_pubkey_verify_hash2(pubkey, sign_algo, vflags,
&invalid_hash_data,
&signature);
if (ret != GNUTLS_E_PK_SIG_VERIFY_FAILED) {
print_keys(privkey, pubkey);
ERR;
}
sign_algo = gnutls_pk_to_sign(
gnutls_pubkey_get_pk_algorithm(pubkey, NULL), hash);
ret = gnutls_pubkey_verify_hash2(pubkey, sign_algo, vflags,
hash_data, &signature);
if (ret < 0)
ERR;
/* should fail */
ret = gnutls_pubkey_verify_hash2(pubkey, sign_algo, vflags,
&invalid_hash_data,
&signature);
if (ret != GNUTLS_E_PK_SIG_VERIFY_FAILED) {
print_keys(privkey, pubkey);
ERR;
}
/* test the raw interface */
gnutls_free(signature.data);
signature.data = NULL;
if (pk == GNUTLS_PK_RSA) {
ret = gnutls_privkey_sign_hash(
privkey, hash,
GNUTLS_PRIVKEY_SIGN_FLAG_TLS1_RSA, hash_data,
&signature);
if (ret < 0)
ERR;
sign_algo = gnutls_pk_to_sign(
gnutls_pubkey_get_pk_algorithm(pubkey, NULL),
hash);
ret = gnutls_pubkey_verify_hash2(
pubkey, sign_algo,
vflags | GNUTLS_PUBKEY_VERIFY_FLAG_TLS1_RSA,
hash_data, &signature);
if (ret < 0) {
print_keys(privkey, pubkey);
ERR;
}
}
gnutls_free(signature.data);
gnutls_privkey_deinit(privkey);
gnutls_pubkey_deinit(pubkey);
}
}
#endif /* GNUTLS_TESTS_X509SIGN_VERIFY_COMMON_H */
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