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/*
* Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/pem.h>
#include <openssl/core_names.h>
#include <openssl/self_test.h>
#include "testutil.h"
typedef enum OPTION_choice {
OPT_ERR = -1,
OPT_EOF = 0,
OPT_PROVIDER_NAME,
OPT_CONFIG_FILE,
OPT_PAIRWISETEST,
OPT_DSAPARAM,
OPT_TEST_ENUM
} OPTION_CHOICE;
struct self_test_arg {
const char *type;
};
static OSSL_LIB_CTX *libctx = NULL;
static char *pairwise_name = NULL;
static char *dsaparam_file = NULL;
static struct self_test_arg self_test_args = { 0 };
const OPTIONS *test_get_options(void)
{
static const OPTIONS test_options[] = {
OPT_TEST_OPTIONS_DEFAULT_USAGE,
{ "config", OPT_CONFIG_FILE, '<',
"The configuration file to use for the libctx" },
{ "pairwise", OPT_PAIRWISETEST, 's',
"Test keygen pairwise test failures" },
{ "dsaparam", OPT_DSAPARAM, 's', "DSA param file" },
{ NULL }
};
return test_options;
}
static int self_test_on_pairwise_fail(const OSSL_PARAM params[], void *arg)
{
struct self_test_arg *args = arg;
const OSSL_PARAM *p = NULL;
const char *type = NULL, *phase = NULL;
p = OSSL_PARAM_locate_const(params, OSSL_PROV_PARAM_SELF_TEST_PHASE);
if (p == NULL || p->data_type != OSSL_PARAM_UTF8_STRING)
return 0;
phase = (const char *)p->data;
if (strcmp(phase, OSSL_SELF_TEST_PHASE_CORRUPT) == 0) {
p = OSSL_PARAM_locate_const(params, OSSL_PROV_PARAM_SELF_TEST_TYPE);
if (p == NULL || p->data_type != OSSL_PARAM_UTF8_STRING)
return 0;
type = (const char *)p->data;
if (strcmp(type, args->type) == 0)
return 0;
}
return 1;
}
static int setup_selftest_pairwise_failure(const char *type)
{
int ret = 0;
OSSL_PROVIDER *prov = NULL;
if (!TEST_ptr(prov = OSSL_PROVIDER_load(libctx, "fips")))
goto err;
/* Setup a callback that corrupts the pairwise self tests and causes failures */
self_test_args.type = type;
OSSL_SELF_TEST_set_callback(libctx, self_test_on_pairwise_fail, &self_test_args);
ret = 1;
err:
OSSL_PROVIDER_unload(prov);
return ret;
}
static int test_keygen_pairwise_failure(void)
{
BIO *bio = NULL;
EVP_PKEY_CTX *ctx = NULL;
EVP_PKEY *pParams = NULL;
EVP_PKEY *pkey = NULL;
const char *type = OSSL_SELF_TEST_TYPE_PCT;
int ret = 0;
if (strcmp(pairwise_name, "rsa") == 0) {
if (!TEST_true(setup_selftest_pairwise_failure(type)))
goto err;
if (!TEST_ptr_null(pkey = EVP_PKEY_Q_keygen(libctx, NULL, "RSA", 2048)))
goto err;
} else if (strncmp(pairwise_name, "ec", 2) == 0) {
if (strcmp(pairwise_name, "eckat") == 0)
type = OSSL_SELF_TEST_TYPE_PCT_KAT;
if (!TEST_true(setup_selftest_pairwise_failure(type)))
goto err;
if (!TEST_ptr_null(pkey = EVP_PKEY_Q_keygen(libctx, NULL, "EC", "P-256")))
goto err;
} else if (strncmp(pairwise_name, "dsa", 3) == 0) {
if (strcmp(pairwise_name, "dsakat") == 0)
type = OSSL_SELF_TEST_TYPE_PCT_KAT;
if (!TEST_true(setup_selftest_pairwise_failure(type)))
goto err;
if (!TEST_ptr(bio = BIO_new_file(dsaparam_file, "r")))
goto err;
if (!TEST_ptr(pParams = PEM_read_bio_Parameters_ex(bio, NULL, libctx, NULL)))
goto err;
if (!TEST_ptr(ctx = EVP_PKEY_CTX_new_from_pkey(libctx, pParams, NULL)))
goto err;
if (!TEST_int_eq(EVP_PKEY_keygen_init(ctx), 1))
goto err;
if (!TEST_int_le(EVP_PKEY_keygen(ctx, &pkey), 0))
goto err;
if (!TEST_ptr_null(pkey))
goto err;
} else if (strncmp(pairwise_name, "eddsa", 5) == 0) {
if (!TEST_true(setup_selftest_pairwise_failure(type)))
goto err;
if (!TEST_ptr(ctx = EVP_PKEY_CTX_new_from_name(libctx, "ED25519", NULL)))
goto err;
if (!TEST_int_eq(EVP_PKEY_keygen_init(ctx), 1))
goto err;
if (!TEST_int_le(EVP_PKEY_keygen(ctx, &pkey), 0))
goto err;
if (!TEST_ptr_null(pkey))
goto err;
}
ret = 1;
err:
EVP_PKEY_free(pkey);
EVP_PKEY_CTX_free(ctx);
BIO_free(bio);
EVP_PKEY_free(pParams);
return ret;
}
int setup_tests(void)
{
OPTION_CHOICE o;
char *config_file = NULL;
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_CONFIG_FILE:
config_file = opt_arg();
break;
case OPT_PAIRWISETEST:
pairwise_name = opt_arg();
break;
case OPT_DSAPARAM:
dsaparam_file = opt_arg();
break;
case OPT_TEST_CASES:
break;
default:
case OPT_ERR:
return 0;
}
}
libctx = OSSL_LIB_CTX_new();
if (libctx == NULL)
return 0;
if (!OSSL_LIB_CTX_load_config(libctx, config_file)) {
opt_printf_stderr("Failed to load config\n");
return 0;
}
ADD_TEST(test_keygen_pairwise_failure);
return 1;
}
void cleanup_tests(void)
{
OSSL_LIB_CTX_free(libctx);
}
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