-/* pmeth_gn.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 2006.
- */
-/* ====================================================================
- * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
- *
- * 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 above 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 acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 OpenSSL PROJECT OR
- * ITS 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+/*
+ * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * 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 <stdlib.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/objects.h>
#include <openssl/evp.h>
-#include "evp_locl.h"
+#include "internal/bn_int.h"
+#include "internal/asn1_int.h"
+#include "internal/evp_int.h"
int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx)
- {
- int ret;
- if (!ctx || !ctx->pmeth || !ctx->pmeth->paramgen)
- {
- EVPerr(EVP_F_EVP_PKEY_PARAMGEN_INIT,
- EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- return -2;
- }
- ctx->operation = EVP_PKEY_OP_PARAMGEN;
- if (!ctx->pmeth->paramgen_init)
- return 1;
- ret = ctx->pmeth->paramgen_init(ctx);
- if (ret <= 0)
- ctx->operation = EVP_PKEY_OP_UNDEFINED;
- return ret;
- }
+{
+ int ret;
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->paramgen) {
+ EVPerr(EVP_F_EVP_PKEY_PARAMGEN_INIT,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+ ctx->operation = EVP_PKEY_OP_PARAMGEN;
+ if (!ctx->pmeth->paramgen_init)
+ return 1;
+ ret = ctx->pmeth->paramgen_init(ctx);
+ if (ret <= 0)
+ ctx->operation = EVP_PKEY_OP_UNDEFINED;
+ return ret;
+}
int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey)
- {
- int ret;
- if (!ctx || !ctx->pmeth || !ctx->pmeth->paramgen)
- {
- EVPerr(EVP_F_EVP_PKEY_PARAMGEN,
- EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- return -2;
- }
-
- if (ctx->operation != EVP_PKEY_OP_PARAMGEN)
- {
- EVPerr(EVP_F_EVP_PKEY_PARAMGEN, EVP_R_OPERATON_NOT_INITIALIZED);
- return -1;
- }
-
- if (!ppkey)
- return -1;
-
- if (!*ppkey)
- *ppkey = EVP_PKEY_new();
-
- ret = ctx->pmeth->paramgen(ctx, *ppkey);
- if (ret <= 0)
- {
- EVP_PKEY_free(*ppkey);
- *ppkey = NULL;
- }
- return ret;
- }
+{
+ int ret;
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->paramgen) {
+ EVPerr(EVP_F_EVP_PKEY_PARAMGEN,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+
+ if (ctx->operation != EVP_PKEY_OP_PARAMGEN) {
+ EVPerr(EVP_F_EVP_PKEY_PARAMGEN, EVP_R_OPERATON_NOT_INITIALIZED);
+ return -1;
+ }
+
+ if (ppkey == NULL)
+ return -1;
+
+ if (*ppkey == NULL)
+ *ppkey = EVP_PKEY_new();
+
+ if (*ppkey == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_PARAMGEN, ERR_R_MALLOC_FAILURE);
+ return -1;
+ }
+
+ ret = ctx->pmeth->paramgen(ctx, *ppkey);
+ if (ret <= 0) {
+ EVP_PKEY_free(*ppkey);
+ *ppkey = NULL;
+ }
+ return ret;
+}
int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx)
- {
- int ret;
- if (!ctx || !ctx->pmeth || !ctx->pmeth->keygen)
- {
- EVPerr(EVP_F_EVP_PKEY_KEYGEN_INIT,
- EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- return -2;
- }
- ctx->operation = EVP_PKEY_OP_KEYGEN;
- if (!ctx->pmeth->keygen_init)
- return 1;
- ret = ctx->pmeth->keygen_init(ctx);
- if (ret <= 0)
- ctx->operation = EVP_PKEY_OP_UNDEFINED;
- return ret;
- }
+{
+ int ret;
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->keygen) {
+ EVPerr(EVP_F_EVP_PKEY_KEYGEN_INIT,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+ ctx->operation = EVP_PKEY_OP_KEYGEN;
+ if (!ctx->pmeth->keygen_init)
+ return 1;
+ ret = ctx->pmeth->keygen_init(ctx);
+ if (ret <= 0)
+ ctx->operation = EVP_PKEY_OP_UNDEFINED;
+ return ret;
+}
int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey)
- {
- int ret;
-
- if (!ctx || !ctx->pmeth || !ctx->pmeth->keygen)
- {
- EVPerr(EVP_F_EVP_PKEY_KEYGEN,
- EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
- return -2;
- }
- if (ctx->operation != EVP_PKEY_OP_KEYGEN)
- {
- EVPerr(EVP_F_EVP_PKEY_KEYGEN, EVP_R_OPERATON_NOT_INITIALIZED);
- return -1;
- }
-
- if (!ppkey)
- return -1;
-
- if (!*ppkey)
- *ppkey = EVP_PKEY_new();
-
- ret = ctx->pmeth->keygen(ctx, *ppkey);
- if (ret <= 0)
- {
- EVP_PKEY_free(*ppkey);
- *ppkey = NULL;
- }
- return ret;
- }
+{
+ int ret;
+
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->keygen) {
+ EVPerr(EVP_F_EVP_PKEY_KEYGEN,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+ if (ctx->operation != EVP_PKEY_OP_KEYGEN) {
+ EVPerr(EVP_F_EVP_PKEY_KEYGEN, EVP_R_OPERATON_NOT_INITIALIZED);
+ return -1;
+ }
+
+ if (ppkey == NULL)
+ return -1;
+
+ if (*ppkey == NULL)
+ *ppkey = EVP_PKEY_new();
+ if (*ppkey == NULL)
+ return -1;
+
+ ret = ctx->pmeth->keygen(ctx, *ppkey);
+ if (ret <= 0) {
+ EVP_PKEY_free(*ppkey);
+ *ppkey = NULL;
+ }
+ return ret;
+}
void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb)
- {
- ctx->pkey_gencb = cb;
- }
-
-/* "translation callback" to call EVP_PKEY_CTX callbacks using BN_GENCB
- * style callbacks.
+{
+ ctx->pkey_gencb = cb;
+}
+
+EVP_PKEY_gen_cb *EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx)
+{
+ return ctx->pkey_gencb;
+}
+
+/*
+ * "translation callback" to call EVP_PKEY_CTX callbacks using BN_GENCB style
+ * callbacks.
*/
static int trans_cb(int a, int b, BN_GENCB *gcb)
- {
- EVP_PKEY_CTX *ctx = gcb->arg;
- ctx->keygen_info[0] = a;
- ctx->keygen_info[1] = b;
- return ctx->pkey_gencb(ctx);
- }
+{
+ EVP_PKEY_CTX *ctx = BN_GENCB_get_arg(gcb);
+ ctx->keygen_info[0] = a;
+ ctx->keygen_info[1] = b;
+ return ctx->pkey_gencb(ctx);
+}
void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx)
- {
- BN_GENCB_set(cb, trans_cb, ctx)
- }
+{
+ BN_GENCB_set(cb, trans_cb, ctx);
+}
int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx)
- {
- if (idx == -1)
- return ctx->keygen_info_count;
- if (idx < 0 || idx > ctx->keygen_info_count)
- return 0;
- return ctx->keygen_info[idx];
- }
+{
+ if (idx == -1)
+ return ctx->keygen_info_count;
+ if (idx < 0 || idx > ctx->keygen_info_count)
+ return 0;
+ return ctx->keygen_info[idx];
+}
+
+EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e,
+ const unsigned char *key, int keylen)
+{
+ EVP_PKEY_CTX *mac_ctx = NULL;
+ EVP_PKEY *mac_key = NULL;
+ mac_ctx = EVP_PKEY_CTX_new_id(type, e);
+ if (!mac_ctx)
+ return NULL;
+ if (EVP_PKEY_keygen_init(mac_ctx) <= 0)
+ goto merr;
+ if (EVP_PKEY_CTX_set_mac_key(mac_ctx, key, keylen) <= 0)
+ goto merr;
+ if (EVP_PKEY_keygen(mac_ctx, &mac_key) <= 0)
+ goto merr;
+ merr:
+ EVP_PKEY_CTX_free(mac_ctx);
+ return mac_key;
+}
+
+int EVP_PKEY_check(EVP_PKEY_CTX *ctx)
+{
+ EVP_PKEY *pkey = ctx->pkey;
+
+ if (pkey == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_CHECK, EVP_R_NO_KEY_SET);
+ return 0;
+ }
+
+ /* call customized check function first */
+ if (ctx->pmeth->check != NULL)
+ return ctx->pmeth->check(pkey);
+
+ /* use default check function in ameth */
+ if (pkey->ameth == NULL || pkey->ameth->pkey_check == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_CHECK,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+
+ return pkey->ameth->pkey_check(pkey);
+}
+
+int EVP_PKEY_public_check(EVP_PKEY_CTX *ctx)
+{
+ EVP_PKEY *pkey = ctx->pkey;
+
+ if (pkey == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_PUBLIC_CHECK, EVP_R_NO_KEY_SET);
+ return 0;
+ }
+
+ /* call customized public key check function first */
+ if (ctx->pmeth->public_check != NULL)
+ return ctx->pmeth->public_check(pkey);
+
+ /* use default public key check function in ameth */
+ if (pkey->ameth == NULL || pkey->ameth->pkey_public_check == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_PUBLIC_CHECK,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+
+ return pkey->ameth->pkey_public_check(pkey);
+}
+
+int EVP_PKEY_param_check(EVP_PKEY_CTX *ctx)
+{
+ EVP_PKEY *pkey = ctx->pkey;
+
+ if (pkey == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_PARAM_CHECK, EVP_R_NO_KEY_SET);
+ return 0;
+ }
+
+ /* call customized param check function first */
+ if (ctx->pmeth->param_check != NULL)
+ return ctx->pmeth->param_check(pkey);
+
+ /* use default param check function in ameth */
+ if (pkey->ameth == NULL || pkey->ameth->pkey_param_check == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_PARAM_CHECK,
+ EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+ return -2;
+ }
+
+ return pkey->ameth->pkey_param_check(pkey);
+}