-/* crypto/evp/p_lib.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * 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.
+/*
+ * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
*
- * 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/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/engine.h>
-#endif
+#include <openssl/rsa.h>
+#include <openssl/dsa.h>
+#include <openssl/dh.h>
+#include <openssl/engine.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)
+int EVP_PKEY_bits(const EVP_PKEY *pkey)
{
if (pkey && pkey->ameth && pkey->ameth->pkey_bits)
return pkey->ameth->pkey_bits(pkey);
int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
{
- if (to->type != from->type) {
+ 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;
}
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:
EVP_PKEY *EVP_PKEY_new(void)
{
- EVP_PKEY *ret;
+ EVP_PKEY *ret = OPENSSL_zalloc(sizeof(*ret));
- ret = OPENSSL_malloc(sizeof(*ret));
if (ret == NULL) {
EVPerr(EVP_F_EVP_PKEY_NEW, ERR_R_MALLOC_FAILURE);
- return (NULL);
+ 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);
+ 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);
}
/*
return 1;
#ifndef OPENSSL_NO_ENGINE
/* If we have an ENGINE release it */
- if (pkey->engine) {
- ENGINE_finish(pkey->engine);
- pkey->engine = NULL;
- }
+ ENGINE_finish(pkey->engine);
+ pkey->engine = NULL;
#endif
}
if (str)
else
ameth = EVP_PKEY_asn1_find(&e, type);
#ifndef OPENSSL_NO_ENGINE
- if (!pkey && e)
+ if (pkey == NULL)
ENGINE_finish(e);
#endif
- if (!ameth) {
+ if (ameth == NULL) {
EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM);
return 0;
}
int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key)
{
- if (!EVP_PKEY_set_type(pkey, type))
+ if (pkey == NULL || !EVP_PKEY_set_type(pkey, type))
return 0;
pkey->pkey.ptr = key;
return (key != NULL);
}
-void *EVP_PKEY_get0(EVP_PKEY *pkey)
+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)
{
return ret;
}
-RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey)
+RSA *EVP_PKEY_get0_RSA(EVP_PKEY *pkey)
{
if (pkey->type != EVP_PKEY_RSA) {
- EVPerr(EVP_F_EVP_PKEY_GET1_RSA, EVP_R_EXPECTING_AN_RSA_KEY);
+ EVPerr(EVP_F_EVP_PKEY_GET0_RSA, EVP_R_EXPECTING_AN_RSA_KEY);
return NULL;
}
- RSA_up_ref(pkey->pkey.rsa);
return pkey->pkey.rsa;
}
+
+RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey)
+{
+ RSA *ret = EVP_PKEY_get0_RSA(pkey);
+ if (ret != NULL)
+ RSA_up_ref(ret);
+ return ret;
+}
#endif
#ifndef OPENSSL_NO_DSA
return ret;
}
-DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey)
+DSA *EVP_PKEY_get0_DSA(EVP_PKEY *pkey)
{
if (pkey->type != EVP_PKEY_DSA) {
- EVPerr(EVP_F_EVP_PKEY_GET1_DSA, EVP_R_EXPECTING_A_DSA_KEY);
+ EVPerr(EVP_F_EVP_PKEY_GET0_DSA, EVP_R_EXPECTING_A_DSA_KEY);
return NULL;
}
- DSA_up_ref(pkey->pkey.dsa);
return pkey->pkey.dsa;
}
+
+DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey)
+{
+ DSA *ret = EVP_PKEY_get0_DSA(pkey);
+ if (ret != NULL)
+ DSA_up_ref(ret);
+ return ret;
+}
#endif
#ifndef OPENSSL_NO_EC
return ret;
}
-EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey)
+EC_KEY *EVP_PKEY_get0_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);
+ EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY, EVP_R_EXPECTING_A_EC_KEY);
return NULL;
}
- EC_KEY_up_ref(pkey->pkey.ec);
return pkey->pkey.ec;
}
+
+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
return ret;
}
-DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey)
+DH *EVP_PKEY_get0_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);
+ EVPerr(EVP_F_EVP_PKEY_GET0_DH, EVP_R_EXPECTING_A_DH_KEY);
return NULL;
}
- DH_up_ref(pkey->pkey.dh);
return pkey->pkey.dh;
}
+
+DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey)
+{
+ DH *ret = EVP_PKEY_get0_DH(pkey);
+ if (ret != NULL)
+ DH_up_ref(ret);
+ return ret;
+}
#endif
int EVP_PKEY_type(int type)
else
ret = NID_undef;
#ifndef OPENSSL_NO_ENGINE
- if (e)
- ENGINE_finish(e);
+ ENGINE_finish(e);
#endif
return ret;
}
if (x == NULL)
return;
- i = CRYPTO_add(&x->references, -1, CRYPTO_LOCK_EVP_PKEY);
-#ifdef REF_PRINT
- REF_PRINT("EVP_PKEY", x);
-#endif
+ CRYPTO_DOWN_REF(&x->references, &i, x->lock);
+ REF_PRINT_COUNT("EVP_PKEY", x);
if (i > 0)
return;
-#ifdef REF_CHECK
- if (i < 0) {
- fprintf(stderr, "EVP_PKEY_free, bad reference count\n");
- abort();
- }
-#endif
+ 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);
}
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;
#endif
}
return unsup_alg(out, pkey, indent, "Parameters");
}
-int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid)
+static int evp_pkey_asn1_ctrl(EVP_PKEY *pkey, int op, int arg1, void *arg2)
{
- if (!pkey->ameth || !pkey->ameth->pkey_ctrl)
+ if (pkey->ameth == NULL || pkey->ameth->pkey_ctrl == NULL)
return -2;
- return pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID,
- 0, pnid);
+ 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_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;
}
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