soter_asym_ka_t* soter_asym_ka_create(soter_asym_ka_alg_t alg)
{
soter_status_t status;
soter_asym_ka_t* ctx = malloc(sizeof(soter_asym_ka_t));
if (!ctx) {
return NULL;
}
status = soter_asym_ka_init(ctx, alg);
if (SOTER_SUCCESS == status) {
return ctx;
}
free(ctx);
return NULL;
}
themis_status_t secure_session_init(secure_session_t *session_ctx, const void *id, size_t id_length, const void *sign_key, size_t sign_key_length, const secure_session_user_callbacks_t *user_callbacks)
{
soter_status_t soter_status;
themis_status_t res = THEMIS_SUCCESS;
/* TODO: validate input parameters including callback pointers */
res = secure_session_peer_init(&(session_ctx->we), id, id_length, NULL, 0, sign_key, sign_key_length);
if (THEMIS_SUCCESS != res)
{
goto err;
}
session_ctx->user_callbacks = user_callbacks;
soter_status = soter_asym_ka_init(&(session_ctx->ecdh_ctx), SOTER_ASYM_KA_EC_P256);
if (THEMIS_SUCCESS != soter_status)
{
res = soter_status;
goto err;
}
soter_status = soter_asym_ka_gen_key(&(session_ctx->ecdh_ctx));
if (THEMIS_SUCCESS != soter_status)
{
res = soter_status;
goto err;
}
/* Initially we are in the "server accept" mode */
session_ctx->state_handler = secure_session_accept;
err:
if (THEMIS_SUCCESS != res)
{
secure_session_cleanup(session_ctx);
}
return res;
}
static void test_api(void)
{
soter_status_t res;
soter_asym_ka_t ctx;
uint8_t key_buffer[KEY_BUFFER_SIZE];
size_t key_buffer_length = sizeof(key_buffer);
uint8_t shared_secret[SHARED_SECRET_BUFFER_SIZE];
size_t shared_secret_length = sizeof(shared_secret);
memset(&ctx, 0, sizeof(soter_asym_ka_t));
testsuite_fail_unless(SOTER_INVALID_PARAMETER == soter_asym_ka_init(NULL, SOTER_ASYM_KA_EC_P256), "soter_asym_ka_init: invalid context");
testsuite_fail_unless(SOTER_INVALID_PARAMETER == soter_asym_ka_init(&ctx, (soter_asym_ka_alg_t)0xffffffff), "soter_asym_ka_init: invalid algorithm type");
testsuite_fail_unless(NULL == soter_asym_ka_create((soter_asym_ka_alg_t)0xffffffff), "soter_asym_ka_create: invalid algorithm type");
res = soter_asym_ka_init(&ctx, SOTER_ASYM_KA_EC_P256);
if (SOTER_SUCCESS != res)
{
testsuite_fail_unless(SOTER_SUCCESS == res, "soter_asym_ka_init fail");
return;
}
testsuite_fail_unless(SOTER_INVALID_PARAMETER == soter_asym_ka_gen_key(NULL), "soter_asym_ka_gen_key: invalid context");
res = soter_asym_ka_gen_key(&ctx);
if (SOTER_SUCCESS != res)
{
testsuite_fail_unless(SOTER_SUCCESS == res, "soter_asym_ka_gen_key fail");
return;
}
testsuite_fail_unless(SOTER_INVALID_PARAMETER == soter_asym_ka_export_key(NULL, key_buffer, &key_buffer_length, true), "soter_asym_ka_export_key: invalid context");
testsuite_fail_unless(SOTER_INVALID_PARAMETER == soter_asym_ka_export_key(&ctx, key_buffer, NULL, false), "soter_asym_ka_export_key: invalid output data length");
key_buffer_length = 0;
res = soter_asym_ka_export_key(&ctx, NULL, &key_buffer_length, false);
testsuite_fail_unless((SOTER_BUFFER_TOO_SMALL == res) && (key_buffer_length > 0), "soter_asym_ka_export_key: get output size (NULL out buffer)");
key_buffer_length--;
res = soter_asym_ka_export_key(&ctx, key_buffer, &key_buffer_length, false);
testsuite_fail_unless((SOTER_BUFFER_TOO_SMALL == res) && (key_buffer_length > 0), "soter_asym_ka_export_key: get output size (small out buffer)");
res = soter_asym_ka_export_key(&ctx, key_buffer, &key_buffer_length, false);
if (SOTER_SUCCESS != res)
{
testsuite_fail_unless(SOTER_SUCCESS == res, "soter_asym_ka_export_key fail");
return;
}
testsuite_fail_unless(SOTER_INVALID_PARAMETER == soter_asym_ka_import_key(NULL, key_buffer, key_buffer_length), "soter_asym_ka_import_key: invalid context");
testsuite_fail_unless(SOTER_INVALID_PARAMETER == soter_asym_ka_import_key(&ctx, NULL, key_buffer_length), "soter_asym_ka_import_key: invalid input data");
testsuite_fail_unless(SOTER_INVALID_PARAMETER == soter_asym_ka_import_key(NULL, key_buffer, 0), "soter_asym_ka_import_key: invalid input data length");
testsuite_fail_unless(SOTER_INVALID_PARAMETER == soter_asym_ka_derive(NULL, key_buffer, key_buffer_length, shared_secret, &shared_secret_length), "soter_asym_ka_derive: invalid context");
testsuite_fail_unless(SOTER_INVALID_PARAMETER == soter_asym_ka_derive(&ctx, NULL, key_buffer_length, shared_secret, &shared_secret_length), "soter_asym_ka_derive: invalid input data");
testsuite_fail_unless(SOTER_INVALID_PARAMETER == soter_asym_ka_derive(&ctx, key_buffer, 0, shared_secret, &shared_secret_length), "soter_asym_ka_derive: invalid input data length");
testsuite_fail_unless(SOTER_INVALID_PARAMETER == soter_asym_ka_derive(&ctx, key_buffer, key_buffer_length, shared_secret, NULL), "soter_asym_ka_derive: invalid output data length");
shared_secret_length = 0;
res = soter_asym_ka_derive(&ctx, key_buffer, key_buffer_length, NULL, &shared_secret_length);
testsuite_fail_unless((SOTER_BUFFER_TOO_SMALL == res) && (shared_secret_length > 0), "soter_asym_ka_derive: get output size (NULL out buffer)");
shared_secret_length--;
res = soter_asym_ka_derive(&ctx, key_buffer, key_buffer_length, shared_secret, &shared_secret_length);
testsuite_fail_unless((SOTER_BUFFER_TOO_SMALL == res) && (shared_secret_length > 0), "soter_asym_ka_derive: get output size (small out buffer)");
res = soter_asym_ka_derive(&ctx, key_buffer, key_buffer_length, shared_secret, &shared_secret_length);
if (SOTER_SUCCESS != res)
{
testsuite_fail_unless(SOTER_SUCCESS == res, "soter_asym_ka_derive fail");
return;
}
testsuite_fail_unless(SOTER_INVALID_PARAMETER == soter_asym_ka_cleanup(NULL), "soter_asym_ka_cleanup: invalid context");
res = soter_asym_ka_cleanup(&ctx);
if (SOTER_SUCCESS != res)
{
testsuite_fail_unless(SOTER_SUCCESS == res, "soter_asym_ka_cleanup fail");
return;
}
testsuite_fail_unless(SOTER_INVALID_PARAMETER == soter_asym_ka_destroy(NULL), "soter_asym_ka_destroy: invalid context");
}
