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tests: SHA2 extension signatures

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This introduces a new test case for RSA unit tests, verifying that
libraries are able to provide and verify the RSA signatures with
SHA2 hash algorithms.

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Jakub Jelen
2018-06-27 15:19:02 +02:00
committed by Andreas Schneider
parent 82da0c3361
commit 945469c9e0
1 changed files with 52 additions and 0 deletions
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52
tests/unittests/torture_pki_rsa.c
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@@ -15,6 +15,9 @@
#define LIBSSH_RSA_TESTKEY_PASSPHRASE "libssh_testkey_passphrase.id_rsa"
const unsigned char RSA_HASH[] = "12345678901234567890";
const unsigned char SHA256_HASH[] = "12345678901234567890123456789012";
const unsigned char SHA512_HASH[] = "1234567890123456789012345678901234567890"
"123456789012345678901234";
static int setup_rsa_key(void **state)
{
@@ -393,6 +396,54 @@ static void torture_pki_rsa_generate_key(void **state)
ssh_free(session);
}
static void torture_pki_rsa_sha2(void **state)
{
int rc;
ssh_key key = NULL;
ssh_signature sign;
ssh_session session=ssh_new();
(void) state;
assert_non_null(session);
/* Setup */
rc = ssh_pki_generate(SSH_KEYTYPE_RSA, 2048, &key);
assert_true(rc == SSH_OK);
assert_true(key != NULL);
/* Sign using automatic digest */
sign = pki_do_sign_hash(key, RSA_HASH, 20, SSH_DIGEST_AUTO);
assert_true(sign != NULL);
rc = pki_signature_verify(session, sign, key, RSA_HASH, 20);
assert_ssh_return_code(session, rc);
ssh_signature_free(sign);
/* Sign using old SHA1 digest */
sign = pki_do_sign_hash(key, RSA_HASH, 20, SSH_DIGEST_SHA1);
assert_true(sign != NULL);
rc = pki_signature_verify(session, sign, key, RSA_HASH, 20);
assert_ssh_return_code(session, rc);
ssh_signature_free(sign);
/* Sign using new SHA256 digest */
sign = pki_do_sign_hash(key, SHA256_HASH, 32, SSH_DIGEST_SHA256);
assert_true(sign != NULL);
rc = pki_signature_verify(session, sign, key, SHA256_HASH, 32);
assert_ssh_return_code(session, rc);
ssh_signature_free(sign);
/* Sign using rsa-sha2-512 algorithm */
sign = pki_do_sign_hash(key, SHA512_HASH, 64, SSH_DIGEST_SHA512);
assert_true(sign != NULL);
rc = pki_signature_verify(session, sign, key, SHA512_HASH, 64);
assert_ssh_return_code(session, rc);
ssh_signature_free(sign);
/* Cleanup */
ssh_key_free(key);
ssh_free(session);
}
#ifdef HAVE_LIBCRYPTO
static void torture_pki_rsa_write_privkey(void **state)
{
@@ -557,6 +608,7 @@ int torture_run_tests(void) {
setup_rsa_key,
teardown),
#endif /* HAVE_LIBCRYPTO */
cmocka_unit_test(torture_pki_rsa_sha2),
};
ssh_init();