-/* 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 OpenSSL license (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>
-#ifndef OPENSSL_NO_RSA
#include <openssl/rsa.h>
-#endif
-#ifndef OPENSSL_NO_DSA
#include <openssl/dsa.h>
-#endif
-#ifndef OPENSSL_NO_DH
#include <openssl/dh.h>
-#endif
-
-#ifndef OPENSSL_NO_ENGINE
+#include <openssl/cmac.h>
#include <openssl/engine.h>
-#endif
-#include "asn1_locl.h"
+#include "internal/asn1_int.h"
+#include "internal/evp_int.h"
static void EVP_PKEY_free_it(EVP_PKEY *x);
-int EVP_PKEY_bits(EVP_PKEY *pkey)
- {
- if (pkey && pkey->ameth && pkey->ameth->pkey_bits)
- return pkey->ameth->pkey_bits(pkey);
- return 0;
- }
+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 || !pkey->ameth->pkey_security_bits)
- return -2;
- return pkey->ameth->pkey_security_bits(pkey);
- }
+{
+ if (pkey == NULL)
+ return 0;
+ if (!pkey->ameth || !pkey->ameth->pkey_security_bits)
+ return -2;
+ return pkey->ameth->pkey_security_bits(pkey);
+}
int EVP_PKEY_size(EVP_PKEY *pkey)
- {
- if (pkey && pkey->ameth && pkey->ameth->pkey_size)
- return pkey->ameth->pkey_size(pkey);
- return 0;
- }
+{
+ if (pkey && pkey->ameth && pkey->ameth->pkey_size)
+ return pkey->ameth->pkey_size(pkey);
+ return 0;
+}
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);
- }
+ 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);
- }
+ if (pkey->type == EVP_PKEY_EC) {
+ int ret = pkey->save_parameters;
+
+ if (mode >= 0)
+ pkey->save_parameters = mode;
+ return ret;
+ }
#endif
- return(0);
- }
+ 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;
- }
- if (from->ameth && from->ameth->param_copy)
- return from->ameth->param_copy(to, from);
-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)
- {
- if (pkey->ameth && pkey->ameth->param_missing)
- return pkey->ameth->param_missing(pkey);
- return 0;
- }
+{
+ if (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)
- {
- if (a->type != b->type)
- return -1;
- if (a->ameth && a->ameth->param_cmp)
- return a->ameth->param_cmp(a, b);
- return -2;
- }
+{
+ 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 (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;
- }
+{
+ 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;
+}
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->save_type=EVP_PKEY_NONE;
- ret->references=1;
- ret->ameth=NULL;
- ret->engine=NULL;
- ret->pkey.ptr=NULL;
- ret->attributes=NULL;
- ret->save_parameters=1;
- return(ret);
- }
-
-/* 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.
+{
+ 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);
+}
+
+/*
+ * 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, int type, const char *str, int len)
- {
- const EVP_PKEY_ASN1_METHOD *ameth;
- ENGINE *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;
+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 an ENGINE release it */
- if (pkey->engine)
- {
- ENGINE_finish(pkey->engine);
- pkey->engine = NULL;
- }
+ /* 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(&e, str, len);
- else
- ameth = EVP_PKEY_asn1_find(&e, type);
+ }
+ 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 && e)
- ENGINE_finish(e);
+ 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
+ EVP_PKEY *ret = EVP_PKEY_new();
+ CMAC_CTX *cmctx = CMAC_CTX_new();
+
+ if (ret == NULL
+ || cmctx == NULL
+ || !pkey_set_type(ret, e, EVP_PKEY_CMAC, NULL, -1)) {
+ /* EVPerr already called */
+ goto err;
+ }
+
+ if (!CMAC_Init(cmctx, priv, len, cipher, e)) {
+ 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);
+ CMAC_CTX_free(cmctx);
+ return NULL;
+#else
+ EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return NULL;
#endif
- if (!ameth)
- {
- 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;
- }
+}
int EVP_PKEY_set_type(EVP_PKEY *pkey, int type)
- {
- return pkey_set_type(pkey, type, NULL, -1);
- }
+{
+ 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, EVP_PKEY_NONE, str, 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;
+}
+#endif
int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key)
- {
- if (!EVP_PKEY_set_type(pkey, type))
- return 0;
- pkey->pkey.ptr=key;
- return (key != NULL);
- }
-
-void *EVP_PKEY_get0(EVP_PKEY *pkey)
- {
- return pkey->pkey.ptr;
- }
+{
+ 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(EVP_PKEY *pkey)
+{
+ if (pkey->type != EVP_PKEY_RSA) {
+ 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
#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(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
int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key)
{
- int ret = EVP_PKEY_assign_EC_KEY(pkey,key);
- if (ret)
- EC_KEY_up_ref(key);
- return ret;
+ int ret = EVP_PKEY_assign_EC_KEY(pkey, key);
+ if (ret)
+ EC_KEY_up_ref(key);
+ return ret;
+}
+
+EC_KEY *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey)
+{
+ 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;
}
EC_KEY *EVP_PKEY_get1_EC_KEY(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;
- }
- EC_KEY_up_ref(pkey->pkey.ec);
- return pkey->pkey.ec;
+ EC_KEY *ret = EVP_PKEY_get0_EC_KEY(pkey);
+ if (ret != NULL)
+ EC_KEY_up_ref(ret);
+ return ret;
}
#endif
-
#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 ret = EVP_PKEY_assign_DH(pkey, key);
+ if (ret)
+ DH_up_ref(key);
+ return ret;
+}
+
+DH *EVP_PKEY_get0_DH(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 && pkey->type != EVP_PKEY_DHX) {
- 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
int EVP_PKEY_type(int type)
- {
- 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;
+{
+ 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
- if (e)
- ENGINE_finish(e);
+ ENGINE_finish(e);
#endif
- return ret;
- }
+ return ret;
+}
int EVP_PKEY_id(const EVP_PKEY *pkey)
- {
- return pkey->type;
- }
+{
+ return pkey->type;
+}
int EVP_PKEY_base_id(const EVP_PKEY *pkey)
- {
- return EVP_PKEY_type(pkey->type);
- }
+{
+ return EVP_PKEY_type(pkey->type);
+}
void EVP_PKEY_free(EVP_PKEY *x)
- {
- int i;
-
- if (x == NULL) return;
-
- 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);
- if (x->attributes)
- sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free);
- OPENSSL_free(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);
+ sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free);
+ OPENSSL_free(x);
+}
static void EVP_PKEY_free_it(EVP_PKEY *x)
- {
- if (x->ameth && x->ameth->pkey_free)
- {
- x->ameth->pkey_free(x);
- x->pkey.ptr = NULL;
- }
+{
+ /* internal function; x is never NULL */
+ if (x->ameth && x->ameth->pkey_free) {
+ x->ameth->pkey_free(x);
+ x->pkey.ptr = NULL;
+ }
#ifndef OPENSSL_NO_ENGINE
- if (x->engine)
- {
- ENGINE_finish(x->engine);
- x->engine = NULL;
- }
+ ENGINE_finish(x->engine);
+ x->engine = NULL;
+ ENGINE_finish(x->pmeth_engine);
+ x->pmeth_engine = NULL;
#endif
- }
+}
static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent,
- const char *kstr)
- {
- BIO_indent(out, indent, 128);
- BIO_printf(out, "%s algorithm \"%s\" unsupported\n",
- kstr, OBJ_nid2ln(pkey->type));
- return 1;
- }
+ const char *kstr)
+{
+ BIO_indent(out, indent, 128);
+ BIO_printf(out, "%s algorithm \"%s\" unsupported\n",
+ kstr, OBJ_nid2ln(pkey->type));
+ return 1;
+}
int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
- int indent, ASN1_PCTX *pctx)
- {
- if (pkey->ameth && pkey->ameth->pub_print)
- return pkey->ameth->pub_print(out, pkey, indent, pctx);
-
- return unsup_alg(out, pkey, indent, "Public Key");
- }
+ int indent, ASN1_PCTX *pctx)
+{
+ if (pkey->ameth && pkey->ameth->pub_print)
+ return pkey->ameth->pub_print(out, pkey, indent, pctx);
+
+ return unsup_alg(out, pkey, indent, "Public Key");
+}
int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
- int indent, ASN1_PCTX *pctx)
- {
- if (pkey->ameth && pkey->ameth->priv_print)
- return pkey->ameth->priv_print(out, pkey, indent, pctx);
-
- return unsup_alg(out, pkey, indent, "Private Key");
- }
+ int indent, ASN1_PCTX *pctx)
+{
+ if (pkey->ameth && pkey->ameth->priv_print)
+ return pkey->ameth->priv_print(out, pkey, indent, pctx);
+
+ return unsup_alg(out, pkey, indent, "Private Key");
+}
int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
- int indent, ASN1_PCTX *pctx)
- {
- if (pkey->ameth && pkey->ameth->param_print)
- return pkey->ameth->param_print(out, pkey, indent, pctx);
- return unsup_alg(out, pkey, indent, "Parameters");
- }
+ int indent, ASN1_PCTX *pctx)
+{
+ if (pkey->ameth && pkey->ameth->param_print)
+ return pkey->ameth->param_print(out, pkey, indent, pctx);
+ return unsup_alg(out, pkey, indent, "Parameters");
+}
+
+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)
- {
- if (!pkey->ameth || !pkey->ameth->pkey_ctrl)
- return -2;
- return pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID,
- 0, pnid);
- }
+{
+ return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid);
+}
+
+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;
+}
projects / openssl.git / blobdiff