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/*
* Copyright 2021-2022 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/objects.h>
#include <openssl/crypto.h>
#include <openssl/provider.h>
#include "testutil.h"
static const OSSL_ALGORITHM *obj_query(void *provctx, int operation_id,
int *no_cache)
{
*no_cache = 0;
return NULL;
}
static const OSSL_DISPATCH obj_dispatch_table[] = {
{ OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))obj_query },
OSSL_DISPATCH_END
};
static OSSL_FUNC_core_obj_add_sigid_fn *c_obj_add_sigid = NULL;
static OSSL_FUNC_core_obj_create_fn *c_obj_create = NULL;
/* test signature ids requiring digest */
#define SIG_OID "1.3.6.1.4.1.16604.998877.1"
#define SIG_SN "my-sig"
#define SIG_LN "my-sig-long"
#define DIGEST_OID "1.3.6.1.4.1.16604.998877.2"
#define DIGEST_SN "my-digest"
#define DIGEST_LN "my-digest-long"
#define SIGALG_OID "1.3.6.1.4.1.16604.998877.3"
#define SIGALG_SN "my-sigalg"
#define SIGALG_LN "my-sigalg-long"
/* test signature ids requiring no digest */
#define NODIG_SIG_OID "1.3.6.1.4.1.16604.998877.4"
#define NODIG_SIG_SN "my-nodig-sig"
#define NODIG_SIG_LN "my-nodig-sig-long"
#define NODIG_SIGALG_OID "1.3.6.1.4.1.16604.998877.5"
#define NODIG_SIGALG_SN "my-nodig-sigalg"
#define NODIG_SIGALG_LN "my-nodig-sigalg-long"
static int obj_provider_init(const OSSL_CORE_HANDLE *handle,
const OSSL_DISPATCH *in,
const OSSL_DISPATCH **out,
void **provctx)
{
*provctx = (void *)handle;
*out = obj_dispatch_table;
for (; in->function_id != 0; in++) {
switch (in->function_id) {
case OSSL_FUNC_CORE_OBJ_ADD_SIGID:
c_obj_add_sigid = OSSL_FUNC_core_obj_add_sigid(in);
break;
case OSSL_FUNC_CORE_OBJ_CREATE:
c_obj_create = OSSL_FUNC_core_obj_create(in);
break;
break;
default:
/* Just ignore anything we don't understand */
break;
}
}
if (!c_obj_create(handle, DIGEST_OID, DIGEST_SN, DIGEST_LN)
|| !c_obj_create(handle, SIG_OID, SIG_SN, SIG_LN)
|| !c_obj_create(handle, SIGALG_OID, SIGALG_SN, SIGALG_LN))
return 0;
if (!c_obj_create(handle, NODIG_SIG_OID, NODIG_SIG_SN, NODIG_SIG_LN)
|| !c_obj_create(handle, NODIG_SIGALG_OID, NODIG_SIGALG_SN, NODIG_SIGALG_LN))
return 0;
if (!c_obj_add_sigid(handle, SIGALG_OID, DIGEST_SN, SIG_LN))
return 0;
/* additional tests checking empty digest algs are accepted, too */
if (!c_obj_add_sigid(handle, NODIG_SIGALG_OID, "", NODIG_SIG_LN))
return 0;
/* checking wrong digest alg name is rejected: */
if (c_obj_add_sigid(handle, NODIG_SIGALG_OID, "NonsenseAlg", NODIG_SIG_LN))
return 0;
return 1;
}
static int obj_create_test(void)
{
OSSL_LIB_CTX *libctx = OSSL_LIB_CTX_new();
OSSL_PROVIDER *objprov = NULL;
int sigalgnid, digestnid, signid, foundsid;
int testresult = 0;
if (!TEST_ptr(libctx))
goto err;
if (!TEST_true(OSSL_PROVIDER_add_builtin(libctx, "obj-prov",
obj_provider_init))
|| !TEST_ptr(objprov = OSSL_PROVIDER_load(libctx, "obj-prov")))
goto err;
/* Check that the provider created the OIDs/NIDs we expected */
sigalgnid = OBJ_txt2nid(SIGALG_OID);
if (!TEST_int_ne(sigalgnid, NID_undef)
|| !TEST_true(OBJ_find_sigid_algs(sigalgnid, &digestnid, &signid))
|| !TEST_int_ne(digestnid, NID_undef)
|| !TEST_int_ne(signid, NID_undef)
|| !TEST_int_eq(digestnid, OBJ_sn2nid(DIGEST_SN))
|| !TEST_int_eq(signid, OBJ_ln2nid(SIG_LN)))
goto err;
/* Check empty digest alg storage capability */
sigalgnid = OBJ_txt2nid(NODIG_SIGALG_OID);
if (!TEST_int_ne(sigalgnid, NID_undef)
|| !TEST_true(OBJ_find_sigid_algs(sigalgnid, &digestnid, &signid))
|| !TEST_int_eq(digestnid, NID_undef)
|| !TEST_int_ne(signid, NID_undef))
goto err;
/* Testing OBJ_find_sigid_by_algs */
/* First check exact sig/digest recall: */
sigalgnid = OBJ_sn2nid(SIGALG_SN);
digestnid = OBJ_sn2nid(DIGEST_SN);
signid = OBJ_ln2nid(SIG_LN);
if ((!OBJ_find_sigid_by_algs(&foundsid, digestnid, signid)) ||
(foundsid != sigalgnid))
return 0;
/* Check wrong signature/digest combination is rejected */
if ((OBJ_find_sigid_by_algs(&foundsid, OBJ_sn2nid("SHA512"), signid)) &&
(foundsid == sigalgnid))
return 0;
/* Now also check signature not needing digest is found */
/* a) when some digest is given */
sigalgnid = OBJ_sn2nid(NODIG_SIGALG_SN);
digestnid = OBJ_sn2nid("SHA512");
signid = OBJ_ln2nid(NODIG_SIG_LN);
if ((!OBJ_find_sigid_by_algs(&foundsid, digestnid, signid)) ||
(foundsid != sigalgnid))
return 0;
/* b) when NID_undef is passed */
digestnid = NID_undef;
if ((!OBJ_find_sigid_by_algs(&foundsid, digestnid, signid)) ||
(foundsid != sigalgnid))
return 0;
testresult = 1;
err:
OSSL_PROVIDER_unload(objprov);
OSSL_LIB_CTX_free(libctx);
return testresult;
}
int setup_tests(void)
{
ADD_TEST(obj_create_test);
return 1;
}
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