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/*
* Copyright 2020 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 <string.h> /* memcpy */
#include <openssl/core_names.h>
#include <openssl/param_build.h>
#include "crypto/rsa.h"
#include "rsa_local.h"
int rsa_acvp_test_gen_params_new(OSSL_PARAM **dst, const OSSL_PARAM src[])
{
const OSSL_PARAM *p, *s;
OSSL_PARAM *d, *alloc = NULL;
int ret = 1;
static const OSSL_PARAM settable[] = {
OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_TEST_XP, NULL, 0),
OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_TEST_XP1, NULL, 0),
OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_TEST_XP2, NULL, 0),
OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_TEST_XQ, NULL, 0),
OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_TEST_XQ1, NULL, 0),
OSSL_PARAM_BN(OSSL_PKEY_PARAM_RSA_TEST_XQ2, NULL, 0),
OSSL_PARAM_END
};
/* Assume the first element is a required field if this feature is used */
p = OSSL_PARAM_locate_const(src, settable[0].key);
if (p == NULL)
return 1;
/* Zeroing here means the terminator is always set at the end */
alloc = OPENSSL_zalloc(sizeof(settable));
if (alloc == NULL)
return 0;
d = alloc;
for (s = settable; s->key != NULL; ++s) {
/* If src contains a key from settable then copy the src to the dest */
p = OSSL_PARAM_locate_const(src, s->key);
if (p != NULL) {
*d = *s; /* shallow copy from the static settable[] */
d->data_size = p->data_size;
d->data = OPENSSL_memdup(p->data, p->data_size);
if (d->data == NULL)
ret = 0;
++d;
}
}
if (ret == 0) {
rsa_acvp_test_gen_params_free(alloc);
alloc = NULL;
}
if (*dst != NULL)
rsa_acvp_test_gen_params_free(*dst);
*dst = alloc;
return ret;
}
void rsa_acvp_test_gen_params_free(OSSL_PARAM *dst)
{
OSSL_PARAM *p;
if (dst == NULL)
return;
for (p = dst; p->key != NULL; ++p) {
OPENSSL_free(p->data);
p->data = NULL;
}
OPENSSL_free(dst);
}
int rsa_acvp_test_set_params(RSA *r, const OSSL_PARAM params[])
{
RSA_ACVP_TEST *t;
const OSSL_PARAM *p;
if (r->acvp_test != NULL) {
rsa_acvp_test_free(r->acvp_test);
r->acvp_test = NULL;
}
t = OPENSSL_zalloc(sizeof(*t));
if (t == NULL)
return 0;
/* Set the input parameters */
if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_TEST_XP1)) != NULL
&& !OSSL_PARAM_get_BN(p, &t->Xp1))
goto err;
if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_TEST_XP2)) != NULL
&& !OSSL_PARAM_get_BN(p, &t->Xp2))
goto err;
if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_TEST_XP)) != NULL
&& !OSSL_PARAM_get_BN(p, &t->Xp))
goto err;
if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_TEST_XQ1)) != NULL
&& !OSSL_PARAM_get_BN(p, &t->Xq1))
goto err;
if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_TEST_XQ2)) != NULL
&& !OSSL_PARAM_get_BN(p, &t->Xq2))
goto err;
if ((p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_TEST_XQ)) != NULL
&& !OSSL_PARAM_get_BN(p, &t->Xq))
goto err;
/* Setup the output parameters */
t->p1 = BN_new();
t->p2 = BN_new();
t->q1 = BN_new();
t->q2 = BN_new();
r->acvp_test = t;
return 1;
err:
rsa_acvp_test_free(t);
return 0;
}
int rsa_acvp_test_get_params(RSA *r, OSSL_PARAM params[])
{
RSA_ACVP_TEST *t;
OSSL_PARAM *p;
if (r == NULL)
return 0;
t = r->acvp_test;
if (t != NULL) {
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_RSA_TEST_P1)) != NULL
&& !OSSL_PARAM_set_BN(p, t->p1))
return 0;
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_RSA_TEST_P2)) != NULL
&& !OSSL_PARAM_set_BN(p, t->p2))
return 0;
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_RSA_TEST_Q1)) != NULL
&& !OSSL_PARAM_set_BN(p, t->q1))
return 0;
if ((p = OSSL_PARAM_locate(params, OSSL_PKEY_PARAM_RSA_TEST_Q2)) != NULL
&& !OSSL_PARAM_set_BN(p, t->q2))
return 0;
}
return 1;
}
void rsa_acvp_test_free(RSA_ACVP_TEST *t)
{
if (t != NULL) {
BN_free(t->Xp1);
BN_free(t->Xp2);
BN_free(t->Xp);
BN_free(t->Xq1);
BN_free(t->Xq2);
BN_free(t->Xq);
BN_free(t->p1);
BN_free(t->p2);
BN_free(t->q1);
BN_free(t->q2);
OPENSSL_free(t);
}
}
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