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Implement provider-side keymgmt_dup function

Browse Source 
To avoid mutating key data add OSSL_FUNC_KEYMGMT_DUP function
to the provider API and implement it for all asym-key key
managements.

Use it when copying everything to an empty EVP_PKEY
which is the case with EVP_PKEY_dup().

Fixes #14658

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/14793)
This commit is contained in:
Tomas Mraz 2021-04-07 19:35:13 +02:00
parent b9cd82f95b
commit 4a9fe33c8e
27 changed files with 332 additions and 187 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
crypto/dh/dh_ameth.c
View File

@ -536,46 +536,6 @@ static int dhx_pkey_import_from(const OSSL_PARAM params[], void *vpctx)
return dh_pkey_import_from_type(params, vpctx, EVP_PKEY_DHX);
}
static ossl_inline int dh_bn_dup_check(BIGNUM **out, const BIGNUM *f)
{
if (f != NULL && (*out = BN_dup(f)) == NULL)
return 0;
return 1;
}
static DH *dh_dup(const DH *dh)
{
DH *dupkey = NULL;
/* Do not try to duplicate foreign DH keys */
if (ossl_dh_get_method(dh) != DH_OpenSSL())
return NULL;
if ((dupkey = ossl_dh_new_ex(dh->libctx)) == NULL)
return NULL;
dupkey->length = DH_get_length(dh);
if (!ossl_ffc_params_copy(&dupkey->params, &dh->params))
goto err;
dupkey->flags = dh->flags;
if (!dh_bn_dup_check(&dupkey->pub_key, dh->pub_key))
goto err;
if (!dh_bn_dup_check(&dupkey->priv_key, dh->priv_key))
goto err;
if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_DH,
&dupkey->ex_data, &dh->ex_data))
goto err;
return dupkey;
err:
DH_free(dupkey);
return NULL;
}
static int dh_pkey_copy(EVP_PKEY *to, EVP_PKEY *from)
{
DH *dh = from->pkey.dh;
@ -583,7 +543,7 @@ static int dh_pkey_copy(EVP_PKEY *to, EVP_PKEY *from)
int ret;
if (dh != NULL) {
dupkey = dh_dup(dh);
dupkey = ossl_dh_dup(dh);
if (dupkey == NULL)
return 0;
}

44
crypto/dh/dh_backend.c
View File

@ -17,6 +17,7 @@
#include <openssl/core_names.h>
#include "internal/param_build_set.h"
#include "crypto/dh.h"
#include "dh_local.h"
/*
* The intention with the "backend" source file is to offer backend functions
@ -117,6 +118,49 @@ int ossl_dh_key_todata(DH *dh, OSSL_PARAM_BLD *bld, OSSL_PARAM params[])
return 1;
}
static ossl_inline int dh_bn_dup_check(BIGNUM **out, const BIGNUM *f)
{
if (f != NULL && (*out = BN_dup(f)) == NULL)
return 0;
return 1;
}
DH *ossl_dh_dup(const DH *dh)
{
DH *dupkey = NULL;
#ifndef FIPS_MODULE
/* Do not try to duplicate foreign DH keys */
if (ossl_dh_get_method(dh) != DH_OpenSSL())
return NULL;
#endif
if ((dupkey = ossl_dh_new_ex(dh->libctx)) == NULL)
return NULL;
dupkey->length = DH_get_length(dh);
if (!ossl_ffc_params_copy(&dupkey->params, &dh->params))
goto err;
dupkey->flags = dh->flags;
if (!dh_bn_dup_check(&dupkey->pub_key, dh->pub_key))
goto err;
if (!dh_bn_dup_check(&dupkey->priv_key, dh->priv_key))
goto err;
#ifndef FIPS_MODULE
if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_DH,
&dupkey->ex_data, &dh->ex_data))
goto err;
#endif
return dupkey;
err:
DH_free(dupkey);
return NULL;
}
#ifndef FIPS_MODULE
DH *ossl_dh_key_from_pkcs8(const PKCS8_PRIV_KEY_INFO *p8inf,
OSSL_LIB_CTX *libctx, const char *propq)

2
crypto/dh/dh_lib.c
View File

@ -325,3 +325,5 @@ int ossl_dh_get0_nid(const DH *dh)
{
return dh->params.nid;
}

41
crypto/dsa/dsa_ameth.c
View File

@ -500,45 +500,6 @@ static int dsa_pkey_import_from(const OSSL_PARAM params[], void *vpctx)
return 1;
}
static ossl_inline int dsa_bn_dup_check(BIGNUM **out, const BIGNUM *f)
{
if (f != NULL && (*out = BN_dup(f)) == NULL)
return 0;
return 1;
}
static DSA *dsa_dup(const DSA *dsa)
{
DSA *dupkey = NULL;
/* Do not try to duplicate foreign DSA keys */
if (DSA_get_method((DSA *)dsa) != DSA_OpenSSL())
return NULL;
if ((dupkey = ossl_dsa_new(dsa->libctx)) == NULL)
return NULL;
if (!ossl_ffc_params_copy(&dupkey->params, &dsa->params))
goto err;
dupkey->flags = dsa->flags;
if (!dsa_bn_dup_check(&dupkey->pub_key, dsa->pub_key))
goto err;
if (!dsa_bn_dup_check(&dupkey->priv_key, dsa->priv_key))
goto err;
if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_DSA,
&dupkey->ex_data, &dsa->ex_data))
goto err;
return dupkey;
err:
DSA_free(dupkey);
return NULL;
}
static int dsa_pkey_copy(EVP_PKEY *to, EVP_PKEY *from)
{
DSA *dsa = from->pkey.dsa;
@ -546,7 +507,7 @@ static int dsa_pkey_copy(EVP_PKEY *to, EVP_PKEY *from)
int ret;
if (dsa != NULL) {
dupkey = dsa_dup(dsa);
dupkey = ossl_dsa_dup(dsa);
if (dupkey == NULL)
return 0;
}

44
crypto/dsa/dsa_backend.c
View File

@ -16,6 +16,7 @@
#include <openssl/core_names.h>
#include <openssl/err.h>
#include "crypto/dsa.h"
#include "dsa_local.h"
/*
* The intention with the "backend" source file is to offer backend support
@ -56,6 +57,49 @@ int ossl_dsa_key_fromdata(DSA *dsa, const OSSL_PARAM params[])
return 0;
}
static ossl_inline int dsa_bn_dup_check(BIGNUM **out, const BIGNUM *f)
{
if (f != NULL && (*out = BN_dup(f)) == NULL)
return 0;
return 1;
}
DSA *ossl_dsa_dup(const DSA *dsa)
{
DSA *dupkey = NULL;
#ifndef FIPS_MODULE
/* Do not try to duplicate foreign DSA keys */
if (DSA_get_method((DSA *)dsa) != DSA_OpenSSL())
return NULL;
#endif
if ((dupkey = ossl_dsa_new(dsa->libctx)) == NULL)
return NULL;
if (!ossl_ffc_params_copy(&dupkey->params, &dsa->params))
goto err;
dupkey->flags = dsa->flags;
if (!dsa_bn_dup_check(&dupkey->pub_key, dsa->pub_key))
goto err;
if (!dsa_bn_dup_check(&dupkey->priv_key, dsa->priv_key))
goto err;
#ifndef FIPS_MODULE
if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_DSA,
&dupkey->ex_data, &dsa->ex_data))
goto err;
#endif
return dupkey;
err:
DSA_free(dupkey);
return NULL;
}
#ifndef FIPS_MODULE
DSA *ossl_dsa_key_from_pkcs8(const PKCS8_PRIV_KEY_INFO *p8inf,
OSSL_LIB_CTX *libctx, const char *propq)

1
crypto/dsa/dsa_lib.c
View File

@ -358,3 +358,4 @@ int ossl_dsa_ffc_params_fromdata(DSA *dsa, const OSSL_PARAM params[])
dsa->dirty_cnt++;
return ret;
}

43
crypto/ec/ecx_backend.c
View File

@ -92,6 +92,49 @@ int ossl_ecx_key_fromdata(ECX_KEY *ecx, const OSSL_PARAM params[],
return 1;
}
ECX_KEY *ossl_ecx_key_dup(const ECX_KEY *key)
{
ECX_KEY *ret = OPENSSL_zalloc(sizeof(*ret));
if (ret == NULL) {
ERR_raise(ERR_LIB_EC, ERR_R_MALLOC_FAILURE);
return NULL;
}
ret->lock = CRYPTO_THREAD_lock_new();
if (ret->lock == NULL) {
OPENSSL_free(ret);
return NULL;
}
ret->libctx = key->libctx;
ret->haspubkey = key->haspubkey;
ret->keylen = key->keylen;
ret->type = key->type;
ret->references = 1;
if (key->propq != NULL) {
ret->propq = OPENSSL_strdup(key->propq);
if (ret->propq == NULL)
goto err;
}
memcpy(ret->pubkey, key->pubkey, sizeof(ret->pubkey));
if (key->privkey != NULL) {
if (ossl_ecx_key_allocate_privkey(ret) == NULL)
goto err;
memcpy(ret->privkey, key->privkey, ret->keylen);
}
return ret;
err:
ossl_ecx_key_free(ret);
ERR_raise(ERR_LIB_EC, ERR_R_MALLOC_FAILURE);
return NULL;
}
#ifndef FIPS_MODULE
ECX_KEY *ossl_ecx_key_op(const X509_ALGOR *palg,
const unsigned char *p, int plen,

3
crypto/ec/ecx_key.c
View File

@ -7,6 +7,7 @@
* https://www.openssl.org/source/license.html
*/
#include <string.h>
#include <openssl/err.h>
#include "crypto/ecx.h"
@ -39,7 +40,6 @@ ECX_KEY *ossl_ecx_key_new(OSSL_LIB_CTX *libctx, ECX_KEY_TYPE type, int haspubkey
if (propq != NULL) {
ret->propq = OPENSSL_strdup(propq);
ERR_raise(ERR_LIB_EC, ERR_R_MALLOC_FAILURE);
if (ret->propq == NULL)
goto err;
}
@ -96,3 +96,4 @@ unsigned char *ossl_ecx_key_allocate_privkey(ECX_KEY *key)
return key->privkey;
}

14
crypto/ec/ecx_meth.c
View File

@ -406,16 +406,18 @@ static int ecx_generic_import_from(const OSSL_PARAM params[], void *vpctx,
static int ecx_pkey_copy(EVP_PKEY *to, EVP_PKEY *from)
{
ECX_KEY *ecx = from->pkey.ecx;
ECX_KEY *ecx = from->pkey.ecx, *dupkey = NULL;
int ret;
/* We can do just up-ref as ECX keys are immutable */
if (ecx != NULL && !ossl_ecx_key_up_ref(ecx))
return 0;
if (ecx != NULL) {
dupkey = ossl_ecx_key_dup(ecx);
if (dupkey == NULL)
return 0;
}
ret = EVP_PKEY_assign(to, from->type, ecx);
ret = EVP_PKEY_assign(to, from->type, dupkey);
if (!ret)
ossl_ecx_key_free(ecx);
ossl_ecx_key_free(dupkey);
return ret;
}

1
crypto/evp/evp_local.h
View File

@ -113,6 +113,7 @@ struct evp_keymgmt_st {
OSSL_FUNC_keymgmt_export_fn *export;
OSSL_FUNC_keymgmt_export_types_fn *export_types;
OSSL_FUNC_keymgmt_copy_fn *copy;
OSSL_FUNC_keymgmt_dup_fn *dup;
} /* EVP_KEYMGMT */ ;
struct evp_keyexch_st {

6
crypto/evp/keymgmt_lib.c
View File

@ -459,6 +459,12 @@ int evp_keymgmt_util_copy(EVP_PKEY *to, EVP_PKEY *from, int selection)
evp_keymgmt_freedata(to_keymgmt, alloc_keydata);
return 0;
}
} else if (to_keymgmt == from->keymgmt && to_keymgmt->dup != NULL
&& to_keydata == NULL
&& selection == OSSL_KEYMGMT_SELECT_ALL) {
to_keydata = alloc_keydata = evp_keymgmt_dup(to_keymgmt, from->keydata);
if (to_keydata == NULL)
return 0;
} else if (match_type(to_keymgmt, from->keymgmt)) {
struct evp_keymgmt_util_try_import_data_st import_data;

12
crypto/evp/keymgmt_meth.c
View File

@ -133,6 +133,10 @@ static void *keymgmt_from_algorithm(int name_id,
if (keymgmt->copy == NULL)
keymgmt->copy = OSSL_FUNC_keymgmt_copy(fns);
break;
case OSSL_FUNC_KEYMGMT_DUP:
if (keymgmt->dup == NULL)
keymgmt->dup = OSSL_FUNC_keymgmt_dup(fns);
break;
case OSSL_FUNC_KEYMGMT_VALIDATE:
if (keymgmt->validate == NULL)
keymgmt->validate = OSSL_FUNC_keymgmt_validate(fns);
@ -472,3 +476,11 @@ int evp_keymgmt_copy(const EVP_KEYMGMT *keymgmt,
return 0;
return keymgmt->copy(keydata_to, keydata_from, selection);
}
void *evp_keymgmt_dup(const EVP_KEYMGMT *keymgmt, const void *keydata_from)
{
/* We assume no dup if the implementation doesn't have a function */
if (keymgmt->dup == NULL)
return NULL;
return keymgmt->dup(keydata_from);
}

2
crypto/evp/p_lib.c
View File

@ -1857,7 +1857,7 @@ void *evp_pkey_export_to_provider(EVP_PKEY *pk, OSSL_LIB_CTX *libctx,
/* Synchronize the dirty count */
pk->dirty_cnt_copy = pk->ameth->dirty_cnt(pk);
CRYPTO_THREAD_unlock(pk->lock);
goto end;
}

94
crypto/rsa/rsa_ameth.c
View File

@ -884,98 +884,6 @@ static int rsa_pss_pkey_import_from(const OSSL_PARAM params[], void *vpctx)
return rsa_int_import_from(params, vpctx, RSA_FLAG_TYPE_RSASSAPSS);
}
static ossl_inline int rsa_bn_dup_check(BIGNUM **out, const BIGNUM *f)
{
if (f != NULL && (*out = BN_dup(f)) == NULL)
return 0;
return 1;
}
static RSA *rsa_dup(const RSA *rsa)
{
RSA *dupkey = NULL;
int pnum, i;
/* Do not try to duplicate foreign RSA keys */
if (RSA_get_method(rsa) != RSA_PKCS1_OpenSSL())
return NULL;
if ((dupkey = ossl_rsa_new_with_ctx(rsa->libctx)) == NULL)
return NULL;
/* private and public key */
if (!rsa_bn_dup_check(&dupkey->n, rsa->n))
goto err;
if (!rsa_bn_dup_check(&dupkey->e, rsa->e))
goto err;
if (!rsa_bn_dup_check(&dupkey->d, rsa->d))
goto err;
/* factors and crt params */
if (!rsa_bn_dup_check(&dupkey->p, rsa->p))
goto err;
if (!rsa_bn_dup_check(&dupkey->q, rsa->q))
goto err;
if (!rsa_bn_dup_check(&dupkey->dmp1, rsa->dmp1))
goto err;
if (!rsa_bn_dup_check(&dupkey->dmq1, rsa->dmq1))
goto err;
if (!rsa_bn_dup_check(&dupkey->iqmp, rsa->iqmp))
goto err;
/* multiprime */
pnum = sk_RSA_PRIME_INFO_num(rsa->prime_infos);
if (pnum > 0) {
dupkey->prime_infos = sk_RSA_PRIME_INFO_new_reserve(NULL, pnum);
for (i = 0; i < pnum; i++) {
const RSA_PRIME_INFO *pinfo = NULL;
RSA_PRIME_INFO *duppinfo = NULL;
if ((duppinfo = OPENSSL_zalloc(sizeof(*duppinfo))) == NULL) {
ERR_raise(ERR_LIB_RSA, ERR_R_MALLOC_FAILURE);
goto err;
}
/* push first so cleanup in error case works */
(void)sk_RSA_PRIME_INFO_push(dupkey->prime_infos, duppinfo);
pinfo = sk_RSA_PRIME_INFO_value(rsa->prime_infos, i);
if (!rsa_bn_dup_check(&duppinfo->r, pinfo->r))
goto err;
if (!rsa_bn_dup_check(&duppinfo->d, pinfo->d))
goto err;
if (!rsa_bn_dup_check(&duppinfo->t, pinfo->t))
goto err;
}
if (!ossl_rsa_multip_calc_product(dupkey))
goto err;
}
dupkey->version = rsa->version;
dupkey->flags = rsa->flags;
dupkey->pss_params = rsa->pss_params;
if (rsa->pss != NULL) {
dupkey->pss = RSA_PSS_PARAMS_dup(rsa->pss);
if (rsa->pss->maskGenAlgorithm != NULL
&& dupkey->pss->maskGenAlgorithm == NULL) {
dupkey->pss->maskHash = ossl_x509_algor_mgf1_decode(rsa->pss->maskGenAlgorithm);
if (dupkey->pss->maskHash == NULL)
goto err;
}
}
if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_RSA,
&dupkey->ex_data, &rsa->ex_data))
goto err;
return dupkey;
err:
RSA_free(dupkey);
return NULL;
}
static int rsa_pkey_copy(EVP_PKEY *to, EVP_PKEY *from)
{
RSA *rsa = from->pkey.rsa;
@ -983,7 +891,7 @@ static int rsa_pkey_copy(EVP_PKEY *to, EVP_PKEY *from)
int ret;
if (rsa != NULL) {
dupkey = rsa_dup(rsa);
dupkey = ossl_rsa_dup(rsa);
if (dupkey == NULL)
return 0;
}

95
crypto/rsa/rsa_backend.c
View File

@ -22,6 +22,7 @@
#include "internal/param_build_set.h"
#include "crypto/asn1.h"
#include "crypto/rsa.h"
#include "rsa_local.h"
#include "e_os.h" /* strcasecmp for Windows() */
@ -322,6 +323,100 @@ int ossl_rsa_pss_params_30_fromdata(RSA_PSS_PARAMS_30 *pss_params,
return ret;
}
static ossl_inline int rsa_bn_dup_check(BIGNUM **out, const BIGNUM *f)
{
if (f != NULL && (*out = BN_dup(f)) == NULL)
return 0;
return 1;
}
RSA *ossl_rsa_dup(const RSA *rsa)
{
RSA *dupkey = NULL;
#ifndef FIPS_MODULE
int pnum, i;
/* Do not try to duplicate foreign RSA keys */
if (RSA_get_method(rsa) != RSA_PKCS1_OpenSSL())
return NULL;
#endif
if ((dupkey = ossl_rsa_new_with_ctx(rsa->libctx)) == NULL)
return NULL;
/* private and public key */
if (!rsa_bn_dup_check(&dupkey->n, rsa->n))
goto err;
if (!rsa_bn_dup_check(&dupkey->e, rsa->e))
goto err;
if (!rsa_bn_dup_check(&dupkey->d, rsa->d))
goto err;
/* factors and crt params */
if (!rsa_bn_dup_check(&dupkey->p, rsa->p))
goto err;
if (!rsa_bn_dup_check(&dupkey->q, rsa->q))
goto err;
if (!rsa_bn_dup_check(&dupkey->dmp1, rsa->dmp1))
goto err;
if (!rsa_bn_dup_check(&dupkey->dmq1, rsa->dmq1))
goto err;
if (!rsa_bn_dup_check(&dupkey->iqmp, rsa->iqmp))
goto err;
dupkey->version = rsa->version;
dupkey->flags = rsa->flags;
dupkey->pss_params = rsa->pss_params;
#ifndef FIPS_MODULE
/* multiprime */
pnum = sk_RSA_PRIME_INFO_num(rsa->prime_infos);
if (pnum > 0) {
dupkey->prime_infos = sk_RSA_PRIME_INFO_new_reserve(NULL, pnum);
for (i = 0; i < pnum; i++) {
const RSA_PRIME_INFO *pinfo = NULL;
RSA_PRIME_INFO *duppinfo = NULL;
if ((duppinfo = OPENSSL_zalloc(sizeof(*duppinfo))) == NULL) {
ERR_raise(ERR_LIB_RSA, ERR_R_MALLOC_FAILURE);
goto err;
}
/* push first so cleanup in error case works */
(void)sk_RSA_PRIME_INFO_push(dupkey->prime_infos, duppinfo);
pinfo = sk_RSA_PRIME_INFO_value(rsa->prime_infos, i);
if (!rsa_bn_dup_check(&duppinfo->r, pinfo->r))
goto err;
if (!rsa_bn_dup_check(&duppinfo->d, pinfo->d))
goto err;
if (!rsa_bn_dup_check(&duppinfo->t, pinfo->t))
goto err;
}
if (!ossl_rsa_multip_calc_product(dupkey))
goto err;
}
if (rsa->pss != NULL) {
dupkey->pss = RSA_PSS_PARAMS_dup(rsa->pss);
if (rsa->pss->maskGenAlgorithm != NULL
&& dupkey->pss->maskGenAlgorithm == NULL) {
dupkey->pss->maskHash = ossl_x509_algor_mgf1_decode(rsa->pss->maskGenAlgorithm);
if (dupkey->pss->maskHash == NULL)
goto err;
}
}
if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_RSA,
&dupkey->ex_data, &rsa->ex_data))
goto err;
#endif
return dupkey;
err:
RSA_free(dupkey);
return NULL;
}
#ifndef FIPS_MODULE
RSA_PSS_PARAMS *ossl_rsa_pss_decode(const X509_ALGOR *alg)
{

11
doc/man7/provider-keymgmt.pod
View File

@ -55,6 +55,9 @@ provider-keymgmt - The KEYMGMT library E<lt>-E<gt> provider functions
/* Key object copy */
int OSSL_FUNC_keymgmt_copy(void *keydata_to, const void *keydata_from, int selection);
/* Key object duplication, a constructor */
void *OSSL_FUNC_keymgmt_dup(const void *keydata_from);
/* Key object validation */
int OSSL_FUNC_keymgmt_validate(const void *keydata, int selection, int checktype);
@ -119,6 +122,7 @@ macros in L<openssl-core_dispatch.h(7)>, as follows:
OSSL_FUNC_keymgmt_export_types OSSL_FUNC_KEYMGMT_EXPORT_TYPES
OSSL_FUNC_keymgmt_copy OSSL_FUNC_KEYMGMT_COPY
OSSL_FUNC_keymgmt_dup OSSL_FUNC_KEYMGMT_DUP
=head2 Key Objects
@ -342,6 +346,9 @@ from I<keydata_from> to I<keydata_to>. It is assumed that the caller
has ensured that I<keydata_to> and I<keydata_from> are both owned by
the implementation of this function.
OSSL_FUNC_keymgmt_dup() should duplicate the key data I<keydata_from> and
create a new provider side key object with the data.
=head2 Common Information Parameters
See L<OSSL_PARAM(3)> for further details on the parameters structure.
@ -379,8 +386,8 @@ Bits of security is defined in SP800-57.
=head1 RETURN VALUES
OSSL_FUNC_keymgmt_new() should return a valid reference to the newly created provider
side key object, or NULL on failure.
OSSL_FUNC_keymgmt_new() and OSSL_FUNC_keymgmt_dup() should return a valid
reference to the newly created provider side key object, or NULL on failure.
OSSL_FUNC_keymgmt_import(), OSSL_FUNC_keymgmt_export(), OSSL_FUNC_keymgmt_get_params() and
OSSL_FUNC_keymgmt_set_params() should return 1 for success or 0 on error.

1
include/crypto/dh.h
View File

@ -56,5 +56,6 @@ int ossl_dh_kdf_X9_42_asn1(unsigned char *out, size_t outlen,
const unsigned char *ukm, size_t ukmlen,
const EVP_MD *md,
OSSL_LIB_CTX *libctx, const char *propq);
DH *ossl_dh_dup(const DH *dh);
#endif /* OSSL_CRYPTO_DH_H */

1
include/crypto/dsa.h
View File

@ -43,5 +43,6 @@ int ossl_dsa_check_pub_key_partial(const DSA *dsa, const BIGNUM *pub_key,
int *ret);
int ossl_dsa_check_priv_key(const DSA *dsa, const BIGNUM *priv_key, int *ret);
int ossl_dsa_check_pairwise(const DSA *dsa);
DSA *ossl_dsa_dup(const DSA *dsa);
#endif

1
include/crypto/ecx.h
View File

@ -83,6 +83,7 @@ void ossl_ecx_key_set0_libctx(ECX_KEY *key, OSSL_LIB_CTX *libctx);
unsigned char *ossl_ecx_key_allocate_privkey(ECX_KEY *key);
void ossl_ecx_key_free(ECX_KEY *key);
int ossl_ecx_key_up_ref(ECX_KEY *key);
ECX_KEY *ossl_ecx_key_dup(const ECX_KEY *key);
int ossl_x25519(uint8_t out_shared_key[32], const uint8_t private_key[32],
const uint8_t peer_public_value[32]);

2
include/crypto/evp.h
View File

@ -813,6 +813,8 @@ const OSSL_PARAM *evp_keymgmt_export_types(const EVP_KEYMGMT *keymgmt,
int evp_keymgmt_copy(const EVP_KEYMGMT *keymgmt,
void *keydata_to, const void *keydata_from,
int selection);
void *evp_keymgmt_dup(const EVP_KEYMGMT *keymgmt,
const void *keydata_from);
/* Pulling defines out of C source files */

1
include/crypto/rsa.h
View File

@ -63,6 +63,7 @@ int ossl_rsa_set0_all_params(RSA *r, const STACK_OF(BIGNUM) *primes,
int ossl_rsa_get0_all_params(RSA *r, STACK_OF(BIGNUM_const) *primes,
STACK_OF(BIGNUM_const) *exps,
STACK_OF(BIGNUM_const) *coeffs);
RSA *ossl_rsa_dup(const RSA *rsa);
int ossl_rsa_todata(RSA *rsa, OSSL_PARAM_BLD *bld, OSSL_PARAM params[]);
int ossl_rsa_fromdata(RSA *rsa, const OSSL_PARAM params[]);

6
include/openssl/core_dispatch.h
View File

@ -598,8 +598,12 @@ OSSL_CORE_MAKE_FUNC(const OSSL_PARAM *, keymgmt_export_types,
/* Copy function, only works for matching keymgmt */
# define OSSL_FUNC_KEYMGMT_COPY 44
OSSL_CORE_MAKE_FUNC(int, keymgmt_copy,
( void *keydata_to, const void *keydata_from,
(void *keydata_to, const void *keydata_from,
int selection))
/* Dup function, constructor */
# define OSSL_FUNC_KEYMGMT_DUP 45
OSSL_CORE_MAKE_FUNC(void *, keymgmt_dup,
(const void *keydata_from))
/* Key Exchange */

12
providers/implementations/keymgmt/dh_kmgmt.c
View File

@ -45,6 +45,7 @@ static OSSL_FUNC_keymgmt_import_fn dh_import;
static OSSL_FUNC_keymgmt_import_types_fn dh_import_types;
static OSSL_FUNC_keymgmt_export_fn dh_export;
static OSSL_FUNC_keymgmt_export_types_fn dh_export_types;
static OSSL_FUNC_keymgmt_dup_fn dh_dup;
#define DH_POSSIBLE_SELECTIONS \
(OSSL_KEYMGMT_SELECT_KEYPAIR | OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS)
@ -707,7 +708,7 @@ static void dh_gen_cleanup(void *genctx)
OPENSSL_free(gctx);
}
void *dh_load(const void *reference, size_t reference_sz)
static void *dh_load(const void *reference, size_t reference_sz)
{
DH *dh = NULL;
@ -721,6 +722,13 @@ void *dh_load(const void *reference, size_t reference_sz)
return NULL;
}
static void *dh_dup(const void *keydata_from)
{
if (ossl_prov_is_running())
return ossl_dh_dup(keydata_from);
return NULL;
}
const OSSL_DISPATCH ossl_dh_keymgmt_functions[] = {
{ OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))dh_newdata },
{ OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))dh_gen_init },
@ -743,6 +751,7 @@ const OSSL_DISPATCH ossl_dh_keymgmt_functions[] = {
{ OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))dh_import_types },
{ OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))dh_export },
{ OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))dh_export_types },
{ OSSL_FUNC_KEYMGMT_DUP, (void (*)(void))dh_dup },
{ 0, NULL }
};
@ -776,5 +785,6 @@ const OSSL_DISPATCH ossl_dhx_keymgmt_functions[] = {
{ OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))dh_export_types },
{ OSSL_FUNC_KEYMGMT_QUERY_OPERATION_NAME,
(void (*)(void))dhx_query_operation_name },
{ OSSL_FUNC_KEYMGMT_DUP, (void (*)(void))dh_dup },
{ 0, NULL }
};

11
providers/implementations/keymgmt/dsa_kmgmt.c
View File

@ -44,6 +44,7 @@ static OSSL_FUNC_keymgmt_import_fn dsa_import;
static OSSL_FUNC_keymgmt_import_types_fn dsa_import_types;
static OSSL_FUNC_keymgmt_export_fn dsa_export;
static OSSL_FUNC_keymgmt_export_types_fn dsa_export_types;
static OSSL_FUNC_keymgmt_dup_fn dsa_dup;
#define DSA_DEFAULT_MD "SHA256"
#define DSA_POSSIBLE_SELECTIONS \
@ -597,7 +598,7 @@ static void dsa_gen_cleanup(void *genctx)
OPENSSL_free(gctx);
}
void *dsa_load(const void *reference, size_t reference_sz)
static void *dsa_load(const void *reference, size_t reference_sz)
{
DSA *dsa = NULL;
@ -611,6 +612,13 @@ void *dsa_load(const void *reference, size_t reference_sz)
return NULL;
}
static void *dsa_dup(const void *keydata_from)
{
if (ossl_prov_is_running())
return ossl_dsa_dup(keydata_from);
return NULL;
}
const OSSL_DISPATCH ossl_dsa_keymgmt_functions[] = {
{ OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))dsa_newdata },
{ OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))dsa_gen_init },
@ -631,5 +639,6 @@ const OSSL_DISPATCH ossl_dsa_keymgmt_functions[] = {
{ OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))dsa_import_types },
{ OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))dsa_export },
{ OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))dsa_export_types },
{ OSSL_FUNC_KEYMGMT_DUP, (void (*)(void))dsa_dup },
{ 0, NULL }
};

10
providers/implementations/keymgmt/ec_kmgmt.c
View File

@ -55,6 +55,7 @@ static OSSL_FUNC_keymgmt_import_types_fn ec_import_types;
static OSSL_FUNC_keymgmt_export_fn ec_export;
static OSSL_FUNC_keymgmt_export_types_fn ec_export_types;
static OSSL_FUNC_keymgmt_query_operation_name_fn ec_query_operation_name;
static OSSL_FUNC_keymgmt_dup_fn ec_dup;
#ifndef FIPS_MODULE
# ifndef OPENSSL_NO_SM2
static OSSL_FUNC_keymgmt_new_fn sm2_newdata;
@ -1361,6 +1362,13 @@ static void *sm2_load(const void *reference, size_t reference_sz)
# endif
#endif
static void *ec_dup(const void *keydata_from)
{
if (ossl_prov_is_running())
return EC_KEY_dup(keydata_from);
return NULL;
}
const OSSL_DISPATCH ossl_ec_keymgmt_functions[] = {
{ OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))ec_newdata },
{ OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))ec_gen_init },
@ -1386,6 +1394,7 @@ const OSSL_DISPATCH ossl_ec_keymgmt_functions[] = {
{ OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))ec_export_types },
{ OSSL_FUNC_KEYMGMT_QUERY_OPERATION_NAME,
(void (*)(void))ec_query_operation_name },
{ OSSL_FUNC_KEYMGMT_DUP, (void (*)(void))ec_dup },
{ 0, NULL }
};
@ -1416,6 +1425,7 @@ const OSSL_DISPATCH ossl_sm2_keymgmt_functions[] = {
{ OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))ec_export_types },
{ OSSL_FUNC_KEYMGMT_QUERY_OPERATION_NAME,
(void (*)(void))sm2_query_operation_name },
{ OSSL_FUNC_KEYMGMT_DUP, (void (*)(void))ec_dup },
{ 0, NULL }
};
# endif

9
providers/implementations/keymgmt/ecx_kmgmt.c
View File

@ -71,6 +71,7 @@ static OSSL_FUNC_keymgmt_import_fn ecx_import;
static OSSL_FUNC_keymgmt_import_types_fn ecx_imexport_types;
static OSSL_FUNC_keymgmt_export_fn ecx_export;
static OSSL_FUNC_keymgmt_export_types_fn ecx_imexport_types;
static OSSL_FUNC_keymgmt_dup_fn ecx_dup;
#define ECX_POSSIBLE_SELECTIONS (OSSL_KEYMGMT_SELECT_KEYPAIR)
@ -691,6 +692,13 @@ void *ecx_load(const void *reference, size_t reference_sz)
return NULL;
}
static void *ecx_dup(const void *keydata_from)
{
if (ossl_prov_is_running())
return ossl_ecx_key_dup(keydata_from);
return NULL;
}
static int ecx_key_pairwise_check(const ECX_KEY *ecx, int type)
{
uint8_t pub[64];
@ -788,6 +796,7 @@ static int ed448_validate(const void *keydata, int selection, int checktype)
{ OSSL_FUNC_KEYMGMT_GEN, (void (*)(void))alg##_gen }, \
{ OSSL_FUNC_KEYMGMT_GEN_CLEANUP, (void (*)(void))ecx_gen_cleanup }, \
{ OSSL_FUNC_KEYMGMT_LOAD, (void (*)(void))ecx_load }, \
{ OSSL_FUNC_KEYMGMT_DUP, (void (*)(void))ecx_dup }, \
{ 0, NULL } \
};

10
providers/implementations/keymgmt/rsa_kmgmt.c
View File

@ -49,6 +49,7 @@ static OSSL_FUNC_keymgmt_import_types_fn rsa_import_types;
static OSSL_FUNC_keymgmt_export_fn rsa_export;
static OSSL_FUNC_keymgmt_export_types_fn rsa_export_types;
static OSSL_FUNC_keymgmt_query_operation_name_fn rsa_query_operation_name;
static OSSL_FUNC_keymgmt_dup_fn rsa_dup;
#define RSA_DEFAULT_MD "SHA256"
#define RSA_PSS_DEFAULT_MD OSSL_DIGEST_NAME_SHA1
@ -645,6 +646,13 @@ static void *rsapss_load(const void *reference, size_t reference_sz)
return common_load(reference, reference_sz, RSA_FLAG_TYPE_RSASSAPSS);
}
static void *rsa_dup(const void *keydata_from)
{
if (ossl_prov_is_running())
return ossl_rsa_dup(keydata_from);
return NULL;
}
/* For any RSA key, we use the "RSA" algorithms regardless of sub-type. */
static const char *rsa_query_operation_name(int operation_id)
{
@ -671,6 +679,7 @@ const OSSL_DISPATCH ossl_rsa_keymgmt_functions[] = {
{ OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))rsa_import_types },
{ OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))rsa_export },
{ OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))rsa_export_types },
{ OSSL_FUNC_KEYMGMT_DUP, (void (*)(void))rsa_dup },
{ 0, NULL }
};
@ -695,5 +704,6 @@ const OSSL_DISPATCH ossl_rsapss_keymgmt_functions[] = {
{ OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))rsa_export_types },
{ OSSL_FUNC_KEYMGMT_QUERY_OPERATION_NAME,
(void (*)(void))rsa_query_operation_name },
{ OSSL_FUNC_KEYMGMT_DUP, (void (*)(void))rsa_dup },
{ 0, NULL }
};