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tests(rsa): add test for RSA key generation using the newer ssh_pki_generate_key API

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Signed-off-by: Praneeth Sarode <praneethsarode@gmail.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Eshan Kelkar <eshankelkar@galorithm.com>
This commit is contained in:
Praneeth Sarode
2025-10-15 21:08:01 +05:30
parent c128cf8807
commit 5d4d9f8208
1 changed files with 71 additions and 2 deletions
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73
tests/unittests/torture_pki_rsa.c
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@@ -601,7 +601,13 @@ static void torture_pki_rsa_duplicate_key(void **state)
SSH_STRING_FREE_CHAR(b64_key_gen);
}
static void torture_pki_rsa_generate_key(void **state)
/**
* @brief Test RSA key generation using the deprecated ssh_pki_generate API.
*
* This test is kept for backward compatibility testing of the legacy API.
* For testing the new context-based API, see torture_pki_generate_key_rsa().
*/
static void torture_pki_generate_rsa_deprecated(void **state)
{
int rc;
ssh_key key = NULL, pubkey = NULL;
@@ -772,6 +778,68 @@ static void torture_pki_rsa_key_size(void **state)
ssh_free(session);
}
/**
* @brief Test RSA key generation using the new context-based
* ssh_pki_generate_key API.
*
* This test validates the new ssh_pki_ctx-based key generation API with
* both positive and negative test cases.
*
* For testing the old/deprecated API, see torture_pki_generate_rsa().
*/
static void torture_pki_generate_key_rsa(void **state)
{
int rc;
ssh_key key = NULL, pubkey = NULL;
ssh_pki_ctx ctx = NULL;
int desired = 4096;
int invalid_size = 512;
(void)state;
/* Test with NULL context - should use default size */
rc = ssh_pki_generate_key(SSH_KEYTYPE_RSA, NULL, &key);
assert_int_equal(rc, SSH_OK);
assert_non_null(key);
assert_int_equal(ssh_key_type(key), SSH_KEYTYPE_RSA);
assert_int_equal(ssh_key_size(key), RSA_DEFAULT_KEY_SIZE);
SSH_KEY_FREE(key);
/* Test with NULL key pointer - should fail */
ctx = ssh_pki_ctx_new();
assert_non_null(ctx);
rc = ssh_pki_ctx_options_set(ctx, SSH_PKI_OPTION_RSA_KEY_SIZE, &desired);
assert_int_equal(rc, SSH_OK);
rc = ssh_pki_generate_key(SSH_KEYTYPE_RSA, ctx, NULL);
assert_int_equal(rc, SSH_ERROR);
/* Test with invalid RSA key size (too small) - should fail */
rc = ssh_pki_ctx_options_set(ctx,
SSH_PKI_OPTION_RSA_KEY_SIZE,
&invalid_size);
assert_int_equal(rc, SSH_ERROR);
rc = ssh_pki_ctx_options_set(ctx, SSH_PKI_OPTION_RSA_KEY_SIZE, &desired);
assert_int_equal(rc, SSH_OK);
rc = ssh_pki_generate_key(SSH_KEYTYPE_RSA, ctx, &key);
assert_int_equal(rc, SSH_OK);
assert_non_null(key);
assert_int_equal(ssh_key_type(key), SSH_KEYTYPE_RSA);
assert_int_equal(ssh_key_size(key), desired);
rc = ssh_pki_export_privkey_to_pubkey(key, &pubkey);
assert_int_equal(rc, SSH_OK);
assert_non_null(pubkey);
SSH_KEY_FREE(key);
SSH_KEY_FREE(pubkey);
SSH_PKI_CTX_FREE(ctx);
}
static int test_sign_verify_data(ssh_key key,
enum ssh_digest_e hash_type,
const unsigned char *input,
@@ -1136,8 +1204,9 @@ int torture_run_tests(void) {
cmocka_unit_test_setup_teardown(torture_pki_rsa_duplicate_key,
setup_rsa_key,
teardown),
cmocka_unit_test(torture_pki_rsa_generate_key),
cmocka_unit_test(torture_pki_generate_rsa_deprecated),
cmocka_unit_test(torture_pki_rsa_key_size),
cmocka_unit_test(torture_pki_generate_key_rsa),
cmocka_unit_test_setup_teardown(torture_pki_rsa_write_privkey,
setup_rsa_key,
teardown),