-/* crypto/evp/p_lib.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
*
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * 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 <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
+#include "internal/refcount.h"
#include <openssl/bn.h>
#include <openssl/err.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
-#include <openssl/asn1_mac.h>
#include <openssl/x509.h>
+#include <openssl/rsa.h>
+#include <openssl/dsa.h>
+#include <openssl/dh.h>
+#include <openssl/cmac.h>
+#include <openssl/engine.h>
+#include <openssl/params.h>
+#include <openssl/serializer.h>
+#include <openssl/core_names.h>
-static void EVP_PKEY_free_it(EVP_PKEY *x);
+#include "crypto/asn1.h"
+#include "crypto/evp.h"
+#include "internal/provider.h"
-int EVP_PKEY_bits(EVP_PKEY *pkey)
- {
- if (0)
- return 0;
-#ifndef OPENSSL_NO_RSA
- else if (pkey->type == EVP_PKEY_RSA)
- return(BN_num_bits(pkey->pkey.rsa->n));
-#endif
-#ifndef OPENSSL_NO_DSA
- else if (pkey->type == EVP_PKEY_DSA)
- return(BN_num_bits(pkey->pkey.dsa->p));
-#endif
-#ifndef OPENSSL_NO_EC
- else if (pkey->type == EVP_PKEY_EC)
- {
- BIGNUM *order = BN_new();
- int ret;
-
- if (!order)
- {
- ERR_clear_error();
- return 0;
- }
- if (!EC_GROUP_get_order(pkey->pkey.eckey->group, order, NULL))
- {
- ERR_clear_error();
- return 0;
- }
-
- ret = BN_num_bits(order);
- BN_free(order);
- return ret;
- }
-#endif
- return(0);
- }
-
-int EVP_PKEY_size(EVP_PKEY *pkey)
- {
- if (pkey == NULL)
- return(0);
-#ifndef OPENSSL_NO_RSA
- if (pkey->type == EVP_PKEY_RSA)
- return(RSA_size(pkey->pkey.rsa));
- else
-#endif
-#ifndef OPENSSL_NO_DSA
- if (pkey->type == EVP_PKEY_DSA)
- return(DSA_size(pkey->pkey.dsa));
-#endif
-#ifndef OPENSSL_NO_ECDSA
- if (pkey->type == EVP_PKEY_EC)
- return(ECDSA_size(pkey->pkey.eckey));
-#endif
+static void evp_pkey_free_it(EVP_PKEY *key);
- return(0);
- }
+#ifndef FIPS_MODE
+
+int EVP_PKEY_bits(const EVP_PKEY *pkey)
+{
+ if (pkey && pkey->ameth && pkey->ameth->pkey_bits)
+ return pkey->ameth->pkey_bits(pkey);
+ return 0;
+}
+
+int EVP_PKEY_security_bits(const EVP_PKEY *pkey)
+{
+ if (pkey == NULL)
+ return 0;
+ if (pkey->ameth == NULL || pkey->ameth->pkey_security_bits == NULL)
+ return -2;
+ return pkey->ameth->pkey_security_bits(pkey);
+}
int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode)
- {
-#ifndef OPENSSL_NO_DSA
- if (pkey->type == EVP_PKEY_DSA)
- {
- int ret=pkey->save_parameters;
-
- if (mode >= 0)
- pkey->save_parameters=mode;
- return(ret);
- }
-#endif
-#ifndef OPENSSL_NO_EC
- if (pkey->type == EVP_PKEY_EC)
- {
- int ret = pkey->save_parameters;
-
- if (mode >= 0)
- pkey->save_parameters = mode;
- return(ret);
- }
-#endif
- return(0);
- }
+{
+# ifndef OPENSSL_NO_DSA
+ if (pkey->type == EVP_PKEY_DSA) {
+ int ret = pkey->save_parameters;
+
+ if (mode >= 0)
+ pkey->save_parameters = mode;
+ return ret;
+ }
+# endif
+# ifndef OPENSSL_NO_EC
+ if (pkey->type == EVP_PKEY_EC) {
+ int ret = pkey->save_parameters;
+
+ if (mode >= 0)
+ pkey->save_parameters = mode;
+ return ret;
+ }
+# endif
+ return 0;
+}
int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
- {
- if (to->type != from->type)
- {
- EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS,EVP_R_DIFFERENT_KEY_TYPES);
- goto err;
- }
-
- if (EVP_PKEY_missing_parameters(from))
- {
- EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS,EVP_R_MISSING_PARAMETERS);
- goto err;
- }
-#ifndef OPENSSL_NO_DSA
- if (to->type == EVP_PKEY_DSA)
- {
- BIGNUM *a;
-
- if ((a=BN_dup(from->pkey.dsa->p)) == NULL) goto err;
- if (to->pkey.dsa->p != NULL) BN_free(to->pkey.dsa->p);
- to->pkey.dsa->p=a;
-
- if ((a=BN_dup(from->pkey.dsa->q)) == NULL) goto err;
- if (to->pkey.dsa->q != NULL) BN_free(to->pkey.dsa->q);
- to->pkey.dsa->q=a;
-
- if ((a=BN_dup(from->pkey.dsa->g)) == NULL) goto err;
- if (to->pkey.dsa->g != NULL) BN_free(to->pkey.dsa->g);
- to->pkey.dsa->g=a;
- }
-#endif
-#ifndef OPENSSL_NO_EC
- if (to->type == EVP_PKEY_EC)
- {
- if (to->pkey.eckey->group != NULL)
- EC_GROUP_free(to->pkey.eckey->group);
- if ((to->pkey.eckey->group = EC_GROUP_new(
- EC_GROUP_method_of(from->pkey.eckey->group))) == NULL)
- goto err;
- if (!EC_GROUP_copy(to->pkey.eckey->group,
- from->pkey.eckey->group)) goto err;
- }
-#endif
- return(1);
-err:
- return(0);
- }
+{
+ if (to->type == EVP_PKEY_NONE) {
+ if (EVP_PKEY_set_type(to, from->type) == 0)
+ return 0;
+ } else if (to->type != from->type) {
+ EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_KEY_TYPES);
+ goto err;
+ }
+
+ if (EVP_PKEY_missing_parameters(from)) {
+ EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_MISSING_PARAMETERS);
+ goto err;
+ }
+
+ if (!EVP_PKEY_missing_parameters(to)) {
+ if (EVP_PKEY_cmp_parameters(to, from) == 1)
+ return 1;
+ EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS, EVP_R_DIFFERENT_PARAMETERS);
+ return 0;
+ }
+
+ if (from->ameth && from->ameth->param_copy)
+ return from->ameth->param_copy(to, from);
+ err:
+ return 0;
+}
int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey)
- {
-#ifndef OPENSSL_NO_DSA
- if (pkey->type == EVP_PKEY_DSA)
- {
- DSA *dsa;
-
- dsa=pkey->pkey.dsa;
- if ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))
- return(1);
- }
-#endif
-#ifndef OPENSSL_NO_EC
- if (pkey->type == EVP_PKEY_EC)
- {
- if (pkey->pkey.eckey->group == NULL)
- return(1);
- }
-#endif
-
- return(0);
- }
+{
+ if (pkey != NULL && pkey->ameth && pkey->ameth->param_missing)
+ return pkey->ameth->param_missing(pkey);
+ return 0;
+}
int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b)
- {
-#ifndef OPENSSL_NO_DSA
- if ((a->type == EVP_PKEY_DSA) && (b->type == EVP_PKEY_DSA))
- {
- if ( BN_cmp(a->pkey.dsa->p,b->pkey.dsa->p) ||
- BN_cmp(a->pkey.dsa->q,b->pkey.dsa->q) ||
- BN_cmp(a->pkey.dsa->g,b->pkey.dsa->g))
- return(0);
- else
- return(1);
- }
-#endif
- return(-1);
- }
+{
+ if (a->type != b->type)
+ return -1;
+ if (a->ameth && a->ameth->param_cmp)
+ return a->ameth->param_cmp(a, b);
+ return -2;
+}
int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
- {
- if (a->type != b->type)
- return -1;
-
- if (EVP_PKEY_cmp_parameters(a, b) == 0)
- return 0;
-
- switch (a->type)
- {
-#ifndef OPENSSL_NO_RSA
- case EVP_PKEY_RSA:
- if (BN_cmp(b->pkey.rsa->n,a->pkey.rsa->n) != 0
- || BN_cmp(b->pkey.rsa->e,a->pkey.rsa->e) != 0)
- return 0;
- break;
-#endif
-#ifndef OPENSSL_NO_DSA
- case EVP_PKEY_DSA:
- if (BN_cmp(b->pkey.dsa->pub_key,a->pkey.dsa->pub_key) != 0)
- return 0;
- break;
-#endif
-#ifndef OPENSSL_NO_EC
- case EVP_PKEY_EC:
- {
- int r = EC_POINT_cmp(b->pkey.eckey->group,
- b->pkey.eckey->pub_key,a->pkey.eckey->pub_key,NULL);
- if (r != 0)
- {
- if (r == 1)
- return 0;
- else
- return -2;
- }
- }
- break;
-#endif
-#ifndef OPENSSL_NO_DH
- case EVP_PKEY_DH:
- return -2;
-#endif
- default:
- return -2;
- }
+{
+ if (a->type != b->type)
+ return -1;
+
+ if (a->ameth) {
+ int ret;
+ /* Compare parameters if the algorithm has them */
+ if (a->ameth->param_cmp) {
+ ret = a->ameth->param_cmp(a, b);
+ if (ret <= 0)
+ return ret;
+ }
+
+ if (a->ameth->pub_cmp)
+ return a->ameth->pub_cmp(a, b);
+ }
+
+ return -2;
+}
- return 1;
- }
-EVP_PKEY *EVP_PKEY_new(void)
- {
- EVP_PKEY *ret;
-
- ret=(EVP_PKEY *)OPENSSL_malloc(sizeof(EVP_PKEY));
- if (ret == NULL)
- {
- EVPerr(EVP_F_EVP_PKEY_NEW,ERR_R_MALLOC_FAILURE);
- return(NULL);
- }
- ret->type=EVP_PKEY_NONE;
- ret->references=1;
- ret->pkey.ptr=NULL;
- ret->attributes=NULL;
- ret->save_parameters=1;
- return(ret);
- }
-
-int EVP_PKEY_assign(EVP_PKEY *pkey, int type, char *key)
- {
- if (pkey == NULL) return(0);
- if (pkey->pkey.ptr != NULL)
- EVP_PKEY_free_it(pkey);
- pkey->type=EVP_PKEY_type(type);
- pkey->save_type=type;
- pkey->pkey.ptr=key;
- return(key != NULL);
- }
-
-#ifndef OPENSSL_NO_RSA
+/*
+ * Setup a public key ASN1 method and ENGINE from a NID or a string. If pkey
+ * is NULL just return 1 or 0 if the algorithm exists.
+ */
+
+static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str,
+ int len)
+{
+ const EVP_PKEY_ASN1_METHOD *ameth;
+ ENGINE **eptr = (e == NULL) ? &e : NULL;
+
+ if (pkey) {
+ if (pkey->pkey.ptr)
+ evp_pkey_free_it(pkey);
+ /*
+ * If key type matches and a method exists then this lookup has
+ * succeeded once so just indicate success.
+ */
+ if ((type == pkey->save_type) && pkey->ameth)
+ return 1;
+# ifndef OPENSSL_NO_ENGINE
+ /* If we have ENGINEs release them */
+ ENGINE_finish(pkey->engine);
+ pkey->engine = NULL;
+ ENGINE_finish(pkey->pmeth_engine);
+ pkey->pmeth_engine = NULL;
+# endif
+ }
+ if (str)
+ ameth = EVP_PKEY_asn1_find_str(eptr, str, len);
+ else
+ ameth = EVP_PKEY_asn1_find(eptr, type);
+# ifndef OPENSSL_NO_ENGINE
+ if (pkey == NULL && eptr != NULL)
+ ENGINE_finish(e);
+# endif
+ if (ameth == NULL) {
+ EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM);
+ return 0;
+ }
+ if (pkey) {
+ pkey->ameth = ameth;
+ pkey->engine = e;
+
+ pkey->type = pkey->ameth->pkey_id;
+ pkey->save_type = type;
+ }
+ return 1;
+}
+
+EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *e,
+ const unsigned char *priv,
+ size_t len)
+{
+ EVP_PKEY *ret = EVP_PKEY_new();
+
+ if (ret == NULL
+ || !pkey_set_type(ret, e, type, NULL, -1)) {
+ /* EVPerr already called */
+ goto err;
+ }
+
+ if (ret->ameth->set_priv_key == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ goto err;
+ }
+
+ if (!ret->ameth->set_priv_key(ret, priv, len)) {
+ EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY, EVP_R_KEY_SETUP_FAILED);
+ goto err;
+ }
+
+ return ret;
+
+ err:
+ EVP_PKEY_free(ret);
+ return NULL;
+}
+
+EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *e,
+ const unsigned char *pub,
+ size_t len)
+{
+ EVP_PKEY *ret = EVP_PKEY_new();
+
+ if (ret == NULL
+ || !pkey_set_type(ret, e, type, NULL, -1)) {
+ /* EVPerr already called */
+ goto err;
+ }
+
+ if (ret->ameth->set_pub_key == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ goto err;
+ }
+
+ if (!ret->ameth->set_pub_key(ret, pub, len)) {
+ EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY, EVP_R_KEY_SETUP_FAILED);
+ goto err;
+ }
+
+ return ret;
+
+ err:
+ EVP_PKEY_free(ret);
+ return NULL;
+}
+
+int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, unsigned char *priv,
+ size_t *len)
+{
+ if (pkey->ameth->get_priv_key == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return 0;
+ }
+
+ if (!pkey->ameth->get_priv_key(pkey, priv, len)) {
+ EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY, EVP_R_GET_RAW_KEY_FAILED);
+ return 0;
+ }
+
+ return 1;
+}
+
+int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, unsigned char *pub,
+ size_t *len)
+{
+ if (pkey->ameth->get_pub_key == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return 0;
+ }
+
+ if (!pkey->ameth->get_pub_key(pkey, pub, len)) {
+ EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY, EVP_R_GET_RAW_KEY_FAILED);
+ return 0;
+ }
+
+ return 1;
+}
+
+EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv,
+ size_t len, const EVP_CIPHER *cipher)
+{
+# ifndef OPENSSL_NO_CMAC
+# ifndef OPENSSL_NO_ENGINE
+ const char *engine_id = e != NULL ? ENGINE_get_id(e) : NULL;
+# endif
+ const char *cipher_name = EVP_CIPHER_name(cipher);
+ const OSSL_PROVIDER *prov = EVP_CIPHER_provider(cipher);
+ OPENSSL_CTX *libctx =
+ prov == NULL ? NULL : ossl_provider_library_context(prov);
+ EVP_PKEY *ret = EVP_PKEY_new();
+ EVP_MAC *cmac = EVP_MAC_fetch(libctx, OSSL_MAC_NAME_CMAC, NULL);
+ EVP_MAC_CTX *cmctx = cmac != NULL ? EVP_MAC_CTX_new(cmac) : NULL;
+ OSSL_PARAM params[4];
+ size_t paramsn = 0;
+
+ if (ret == NULL
+ || cmctx == NULL
+ || !pkey_set_type(ret, e, EVP_PKEY_CMAC, NULL, -1)) {
+ /* EVPerr already called */
+ goto err;
+ }
+
+# ifndef OPENSSL_NO_ENGINE
+ if (engine_id != NULL)
+ params[paramsn++] =
+ OSSL_PARAM_construct_utf8_string("engine", (char *)engine_id, 0);
+# endif
+
+ params[paramsn++] =
+ OSSL_PARAM_construct_utf8_string(OSSL_MAC_PARAM_CIPHER,
+ (char *)cipher_name, 0);
+ params[paramsn++] =
+ OSSL_PARAM_construct_octet_string(OSSL_MAC_PARAM_KEY,
+ (char *)priv, len);
+ params[paramsn] = OSSL_PARAM_construct_end();
+
+ if (!EVP_MAC_CTX_set_params(cmctx, params)) {
+ EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY, EVP_R_KEY_SETUP_FAILED);
+ goto err;
+ }
+
+ ret->pkey.ptr = cmctx;
+ return ret;
+
+ err:
+ EVP_PKEY_free(ret);
+ EVP_MAC_CTX_free(cmctx);
+ EVP_MAC_free(cmac);
+ return NULL;
+# else
+ EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return NULL;
+# endif
+}
+
+int EVP_PKEY_set_type(EVP_PKEY *pkey, int type)
+{
+ return pkey_set_type(pkey, NULL, type, NULL, -1);
+}
+
+int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len)
+{
+ return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, str, len);
+}
+
+int EVP_PKEY_set_alias_type(EVP_PKEY *pkey, int type)
+{
+ if (pkey->type == type) {
+ return 1; /* it already is that type */
+ }
+
+ /*
+ * The application is requesting to alias this to a different pkey type,
+ * but not one that resolves to the base type.
+ */
+ if (EVP_PKEY_type(type) != EVP_PKEY_base_id(pkey)) {
+ EVPerr(EVP_F_EVP_PKEY_SET_ALIAS_TYPE, EVP_R_UNSUPPORTED_ALGORITHM);
+ return 0;
+ }
+
+ pkey->type = type;
+ return 1;
+}
+
+# ifndef OPENSSL_NO_ENGINE
+int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e)
+{
+ if (e != NULL) {
+ if (!ENGINE_init(e)) {
+ EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, ERR_R_ENGINE_LIB);
+ return 0;
+ }
+ if (ENGINE_get_pkey_meth(e, pkey->type) == NULL) {
+ ENGINE_finish(e);
+ EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, EVP_R_UNSUPPORTED_ALGORITHM);
+ return 0;
+ }
+ }
+ ENGINE_finish(pkey->pmeth_engine);
+ pkey->pmeth_engine = e;
+ return 1;
+}
+
+ENGINE *EVP_PKEY_get0_engine(const EVP_PKEY *pkey)
+{
+ return pkey->engine;
+}
+# endif
+int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key)
+{
+ if (pkey == NULL || !EVP_PKEY_set_type(pkey, type))
+ return 0;
+ pkey->pkey.ptr = key;
+ return (key != NULL);
+}
+
+void *EVP_PKEY_get0(const EVP_PKEY *pkey)
+{
+ return pkey->pkey.ptr;
+}
+
+const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len)
+{
+ ASN1_OCTET_STRING *os = NULL;
+ if (pkey->type != EVP_PKEY_HMAC) {
+ EVPerr(EVP_F_EVP_PKEY_GET0_HMAC, EVP_R_EXPECTING_AN_HMAC_KEY);
+ return NULL;
+ }
+ os = EVP_PKEY_get0(pkey);
+ *len = os->length;
+ return os->data;
+}
+
+# ifndef OPENSSL_NO_POLY1305
+const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len)
+{
+ ASN1_OCTET_STRING *os = NULL;
+ if (pkey->type != EVP_PKEY_POLY1305) {
+ EVPerr(EVP_F_EVP_PKEY_GET0_POLY1305, EVP_R_EXPECTING_A_POLY1305_KEY);
+ return NULL;
+ }
+ os = EVP_PKEY_get0(pkey);
+ *len = os->length;
+ return os->data;
+}
+# endif
+
+# ifndef OPENSSL_NO_SIPHASH
+const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len)
+{
+ ASN1_OCTET_STRING *os = NULL;
+
+ if (pkey->type != EVP_PKEY_SIPHASH) {
+ EVPerr(EVP_F_EVP_PKEY_GET0_SIPHASH, EVP_R_EXPECTING_A_SIPHASH_KEY);
+ return NULL;
+ }
+ os = EVP_PKEY_get0(pkey);
+ *len = os->length;
+ return os->data;
+}
+# endif
+
+# ifndef OPENSSL_NO_RSA
int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key)
{
- int ret = EVP_PKEY_assign_RSA(pkey, key);
- if(ret)
- RSA_up_ref(key);
- return ret;
+ int ret = EVP_PKEY_assign_RSA(pkey, key);
+ if (ret)
+ RSA_up_ref(key);
+ return ret;
+}
+
+RSA *EVP_PKEY_get0_RSA(const EVP_PKEY *pkey)
+{
+ if (pkey->type != EVP_PKEY_RSA && pkey->type != EVP_PKEY_RSA_PSS) {
+ EVPerr(EVP_F_EVP_PKEY_GET0_RSA, EVP_R_EXPECTING_AN_RSA_KEY);
+ return NULL;
+ }
+ return pkey->pkey.rsa;
}
RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey)
- {
- if(pkey->type != EVP_PKEY_RSA) {
- EVPerr(EVP_F_EVP_PKEY_GET1_RSA, EVP_R_EXPECTING_AN_RSA_KEY);
- return NULL;
- }
- RSA_up_ref(pkey->pkey.rsa);
- return pkey->pkey.rsa;
+{
+ RSA *ret = EVP_PKEY_get0_RSA(pkey);
+ if (ret != NULL)
+ RSA_up_ref(ret);
+ return ret;
}
-#endif
+# endif
-#ifndef OPENSSL_NO_DSA
+# ifndef OPENSSL_NO_DSA
int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key)
{
- int ret = EVP_PKEY_assign_DSA(pkey, key);
- if(ret)
- DSA_up_ref(key);
- return ret;
+ int ret = EVP_PKEY_assign_DSA(pkey, key);
+ if (ret)
+ DSA_up_ref(key);
+ return ret;
+}
+
+DSA *EVP_PKEY_get0_DSA(const EVP_PKEY *pkey)
+{
+ if (pkey->type != EVP_PKEY_DSA) {
+ EVPerr(EVP_F_EVP_PKEY_GET0_DSA, EVP_R_EXPECTING_A_DSA_KEY);
+ return NULL;
+ }
+ return pkey->pkey.dsa;
}
DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey)
- {
- if(pkey->type != EVP_PKEY_DSA) {
- EVPerr(EVP_F_EVP_PKEY_GET1_DSA, EVP_R_EXPECTING_A_DSA_KEY);
- return NULL;
- }
- DSA_up_ref(pkey->pkey.dsa);
- return pkey->pkey.dsa;
+{
+ DSA *ret = EVP_PKEY_get0_DSA(pkey);
+ if (ret != NULL)
+ DSA_up_ref(ret);
+ return ret;
}
-#endif
+# endif
-#ifndef OPENSSL_NO_EC
+# ifndef OPENSSL_NO_EC
int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key)
{
- int ret = EVP_PKEY_assign_EC_KEY(pkey,key);
- if (ret) CRYPTO_add(&key->references, 1, CRYPTO_LOCK_EC);
- return ret;
+ int ret = EVP_PKEY_assign_EC_KEY(pkey, key);
+ if (ret)
+ EC_KEY_up_ref(key);
+ return ret;
}
-EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey)
+EC_KEY *EVP_PKEY_get0_EC_KEY(const EVP_PKEY *pkey)
{
- if (pkey->type != EVP_PKEY_EC)
- {
- EVPerr(EVP_F_EVP_PKEY_GET1_EC_KEY, EVP_R_EXPECTING_A_EC_KEY);
- return NULL;
- }
- CRYPTO_add(&pkey->pkey.eckey->references, 1, CRYPTO_LOCK_EC);
- return pkey->pkey.eckey;
+ if (pkey->type != EVP_PKEY_EC) {
+ EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY, EVP_R_EXPECTING_A_EC_KEY);
+ return NULL;
+ }
+ return pkey->pkey.ec;
}
-#endif
+EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey)
+{
+ EC_KEY *ret = EVP_PKEY_get0_EC_KEY(pkey);
+ if (ret != NULL)
+ EC_KEY_up_ref(ret);
+ return ret;
+}
+# endif
-#ifndef OPENSSL_NO_DH
+# ifndef OPENSSL_NO_DH
int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key)
{
- int ret = EVP_PKEY_assign_DH(pkey, key);
- if(ret)
- DH_up_ref(key);
- return ret;
+ int type = DH_get0_q(key) == NULL ? EVP_PKEY_DH : EVP_PKEY_DHX;
+ int ret = EVP_PKEY_assign(pkey, type, key);
+
+ if (ret)
+ DH_up_ref(key);
+ return ret;
+}
+
+DH *EVP_PKEY_get0_DH(const EVP_PKEY *pkey)
+{
+ if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) {
+ EVPerr(EVP_F_EVP_PKEY_GET0_DH, EVP_R_EXPECTING_A_DH_KEY);
+ return NULL;
+ }
+ return pkey->pkey.dh;
}
DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey)
- {
- if(pkey->type != EVP_PKEY_DH) {
- EVPerr(EVP_F_EVP_PKEY_GET1_DH, EVP_R_EXPECTING_A_DH_KEY);
- return NULL;
- }
- DH_up_ref(pkey->pkey.dh);
- return pkey->pkey.dh;
+{
+ DH *ret = EVP_PKEY_get0_DH(pkey);
+ if (ret != NULL)
+ DH_up_ref(ret);
+ return ret;
}
-#endif
+# endif
int EVP_PKEY_type(int type)
- {
- switch (type)
- {
- case EVP_PKEY_RSA:
- case EVP_PKEY_RSA2:
- return(EVP_PKEY_RSA);
- case EVP_PKEY_DSA:
- case EVP_PKEY_DSA1:
- case EVP_PKEY_DSA2:
- case EVP_PKEY_DSA3:
- case EVP_PKEY_DSA4:
- return(EVP_PKEY_DSA);
- case EVP_PKEY_DH:
- return(EVP_PKEY_DH);
- case EVP_PKEY_EC:
- return(EVP_PKEY_EC);
- default:
- return(NID_undef);
- }
- }
+{
+ int ret;
+ const EVP_PKEY_ASN1_METHOD *ameth;
+ ENGINE *e;
+ ameth = EVP_PKEY_asn1_find(&e, type);
+ if (ameth)
+ ret = ameth->pkey_id;
+ else
+ ret = NID_undef;
+# ifndef OPENSSL_NO_ENGINE
+ ENGINE_finish(e);
+# endif
+ return ret;
+}
-void EVP_PKEY_free(EVP_PKEY *x)
- {
- int i;
+int EVP_PKEY_id(const EVP_PKEY *pkey)
+{
+ return pkey->type;
+}
- if (x == NULL) return;
+int EVP_PKEY_base_id(const EVP_PKEY *pkey)
+{
+ return EVP_PKEY_type(pkey->type);
+}
- i=CRYPTO_add(&x->references,-1,CRYPTO_LOCK_EVP_PKEY);
-#ifdef REF_PRINT
- REF_PRINT("EVP_PKEY",x);
-#endif
- if (i > 0) return;
-#ifdef REF_CHECK
- if (i < 0)
- {
- fprintf(stderr,"EVP_PKEY_free, bad reference count\n");
- abort();
- }
-#endif
- EVP_PKEY_free_it(x);
- OPENSSL_free(x);
- }
-
-static void EVP_PKEY_free_it(EVP_PKEY *x)
- {
- switch (x->type)
- {
-#ifndef OPENSSL_NO_RSA
- case EVP_PKEY_RSA:
- case EVP_PKEY_RSA2:
- RSA_free(x->pkey.rsa);
- break;
-#endif
-#ifndef OPENSSL_NO_DSA
- case EVP_PKEY_DSA:
- case EVP_PKEY_DSA2:
- case EVP_PKEY_DSA3:
- case EVP_PKEY_DSA4:
- DSA_free(x->pkey.dsa);
- break;
-#endif
-#ifndef OPENSSL_NO_EC
- case EVP_PKEY_EC:
- EC_KEY_free(x->pkey.eckey);
- break;
+
+static int print_reset_indent(BIO **out, int pop_f_prefix, long saved_indent)
+{
+ BIO_set_indent(*out, saved_indent);
+ if (pop_f_prefix) {
+ BIO *next = BIO_pop(*out);
+
+ BIO_free(*out);
+ *out = next;
+ }
+ return 1;
+}
+
+static int print_set_indent(BIO **out, int *pop_f_prefix, long *saved_indent,
+ long indent)
+{
+ *pop_f_prefix = 0;
+ *saved_indent = 0;
+ if (indent > 0) {
+ long i = BIO_get_indent(*out);
+
+ *saved_indent = (i < 0 ? 0 : i);
+ if (BIO_set_indent(*out, indent) <= 0) {
+ if ((*out = BIO_push(BIO_new(BIO_f_prefix()), *out)) == NULL)
+ return 0;
+ *pop_f_prefix = 1;
+ }
+ if (BIO_set_indent(*out, indent) <= 0) {
+ print_reset_indent(out, *pop_f_prefix, *saved_indent);
+ return 0;
+ }
+ }
+ return 1;
+}
+
+static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent,
+ const char *kstr)
+{
+ return BIO_indent(out, indent, 128)
+ && BIO_printf(out, "%s algorithm \"%s\" unsupported\n",
+ kstr, OBJ_nid2ln(pkey->type)) > 0;
+}
+
+static int print_pkey(const EVP_PKEY *pkey, BIO *out, int indent,
+ const char *propquery /* For provided serialization */,
+ int (*legacy_print)(BIO *out, const EVP_PKEY *pkey,
+ int indent, ASN1_PCTX *pctx),
+ ASN1_PCTX *legacy_pctx /* For legacy print */)
+{
+ int pop_f_prefix;
+ long saved_indent;
+ OSSL_SERIALIZER_CTX *ctx = NULL;
+ int ret = -2; /* default to unsupported */
+
+ if (!print_set_indent(&out, &pop_f_prefix, &saved_indent, indent))
+ return 0;
+
+ ctx = OSSL_SERIALIZER_CTX_new_by_EVP_PKEY(pkey, propquery);
+ if (OSSL_SERIALIZER_CTX_get_serializer(ctx) != NULL)
+ ret = OSSL_SERIALIZER_to_bio(ctx, out);
+ OSSL_SERIALIZER_CTX_free(ctx);
+
+ if (ret != -2)
+ goto end;
+
+ /* legacy fallback */
+ if (legacy_print != NULL)
+ ret = legacy_print(out, pkey, 0, legacy_pctx);
+ else
+ ret = unsup_alg(out, pkey, 0, "Public Key");
+
+ end:
+ print_reset_indent(&out, pop_f_prefix, saved_indent);
+ return ret;
+}
+
+int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
+ int indent, ASN1_PCTX *pctx)
+{
+ return print_pkey(pkey, out, indent, OSSL_SERIALIZER_PUBKEY_TO_TEXT_PQ,
+ (pkey->ameth != NULL ? pkey->ameth->pub_print : NULL),
+ pctx);
+}
+
+int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
+ int indent, ASN1_PCTX *pctx)
+{
+ return print_pkey(pkey, out, indent, OSSL_SERIALIZER_PrivateKey_TO_TEXT_PQ,
+ (pkey->ameth != NULL ? pkey->ameth->priv_print : NULL),
+ pctx);
+}
+
+int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
+ int indent, ASN1_PCTX *pctx)
+{
+ return print_pkey(pkey, out, indent, OSSL_SERIALIZER_Parameters_TO_TEXT_PQ,
+ (pkey->ameth != NULL ? pkey->ameth->param_print : NULL),
+ pctx);
+}
+
+static int evp_pkey_asn1_ctrl(EVP_PKEY *pkey, int op, int arg1, void *arg2)
+{
+ if (pkey->ameth == NULL || pkey->ameth->pkey_ctrl == NULL)
+ return -2;
+ return pkey->ameth->pkey_ctrl(pkey, op, arg1, arg2);
+}
+
+int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid)
+{
+ return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid);
+}
+
+int EVP_PKEY_supports_digest_nid(EVP_PKEY *pkey, int nid)
+{
+ int rv, default_nid;
+
+ rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SUPPORTS_MD_NID, nid, NULL);
+ if (rv == -2) {
+ /*
+ * If there is a mandatory default digest and this isn't it, then
+ * the answer is 'no'.
+ */
+ rv = EVP_PKEY_get_default_digest_nid(pkey, &default_nid);
+ if (rv == 2)
+ return (nid == default_nid);
+ /* zero is an error from EVP_PKEY_get_default_digest_nid() */
+ if (rv == 0)
+ return -1;
+ }
+ return rv;
+}
+
+int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey,
+ const unsigned char *pt, size_t ptlen)
+{
+ if (ptlen > INT_MAX)
+ return 0;
+ if (evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SET1_TLS_ENCPT, ptlen,
+ (void *)pt) <= 0)
+ return 0;
+ return 1;
+}
+
+size_t EVP_PKEY_get1_tls_encodedpoint(EVP_PKEY *pkey, unsigned char **ppt)
+{
+ int rv;
+ rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_GET1_TLS_ENCPT, 0, ppt);
+ if (rv <= 0)
+ return 0;
+ return rv;
+}
+
+#endif /* FIPS_MODE */
+
+/*- All methods below can also be used in FIPS_MODE */
+
+EVP_PKEY *EVP_PKEY_new(void)
+{
+ EVP_PKEY *ret = OPENSSL_zalloc(sizeof(*ret));
+
+ if (ret == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ ret->type = EVP_PKEY_NONE;
+ ret->save_type = EVP_PKEY_NONE;
+ ret->references = 1;
+ ret->save_parameters = 1;
+ ret->lock = CRYPTO_THREAD_lock_new();
+ if (ret->lock == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE);
+ OPENSSL_free(ret);
+ return NULL;
+ }
+ return ret;
+}
+
+int EVP_PKEY_up_ref(EVP_PKEY *pkey)
+{
+ int i;
+
+ if (CRYPTO_UP_REF(&pkey->references, &i, pkey->lock) <= 0)
+ return 0;
+
+ REF_PRINT_COUNT("EVP_PKEY", pkey);
+ REF_ASSERT_ISNT(i < 2);
+ return ((i > 1) ? 1 : 0);
+}
+
+static void evp_pkey_free_it(EVP_PKEY *x)
+{
+ /* internal function; x is never NULL */
+
+ evp_keymgmt_clear_pkey_cache(x);
+
+ if (x->ameth && x->ameth->pkey_free) {
+ x->ameth->pkey_free(x);
+ x->pkey.ptr = NULL;
+ }
+#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
+ ENGINE_finish(x->engine);
+ x->engine = NULL;
+ ENGINE_finish(x->pmeth_engine);
+ x->pmeth_engine = NULL;
#endif
-#ifndef OPENSSL_NO_DH
- case EVP_PKEY_DH:
- DH_free(x->pkey.dh);
- break;
+}
+
+void EVP_PKEY_free(EVP_PKEY *x)
+{
+ int i;
+
+ if (x == NULL)
+ return;
+
+ CRYPTO_DOWN_REF(&x->references, &i, x->lock);
+ REF_PRINT_COUNT("EVP_PKEY", x);
+ if (i > 0)
+ return;
+ REF_ASSERT_ISNT(i < 0);
+ evp_pkey_free_it(x);
+ CRYPTO_THREAD_lock_free(x->lock);
+#ifndef FIPS_MODE
+ sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free);
#endif
- }
- }
+ OPENSSL_free(x);
+}
+
+/* TODO (3.0) : Needs to call getparams fo non legacy case */
+int EVP_PKEY_size(const EVP_PKEY *pkey)
+{
+ if (pkey && pkey->ameth && pkey->ameth->pkey_size)
+ return pkey->ameth->pkey_size(pkey);
+ return 0;
+}