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This commit is contained in:
zhaoxiaomeng
2018-01-04 13:38:57 +08:00
committed by Simon
parent d11f845fde
commit 53af3b51ae
2361 changed files with 387455 additions and 144458 deletions
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159
crypto/dh/dh_pmeth.c
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@@ -1,22 +1,73 @@
/*
* Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
* Written by Dr Stephen N Henson (steve@openssl.org) 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).
*
* 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 "internal/cryptlib.h"
#include "cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/x509.h>
#include <openssl/evp.h>
#include "dh_locl.h"
#include <openssl/dh.h>
#include <openssl/bn.h>
#include <openssl/dsa.h>
#ifndef OPENSSL_NO_DSA
# include <openssl/dsa.h>
#endif
#include <openssl/objects.h>
#include "internal/evp_int.h"
#include "evp_locl.h"
/* DH pkey context structure */
@@ -47,14 +98,22 @@ typedef struct {
static int pkey_dh_init(EVP_PKEY_CTX *ctx)
{
DH_PKEY_CTX *dctx;
dctx = OPENSSL_zalloc(sizeof(*dctx));
if (dctx == NULL)
dctx = OPENSSL_malloc(sizeof(DH_PKEY_CTX));
if (!dctx)
return 0;
dctx->prime_len = 1024;
dctx->subprime_len = -1;
dctx->generator = 2;
dctx->use_dsa = 0;
dctx->md = NULL;
dctx->rfc5114_param = 0;
dctx->kdf_type = EVP_PKEY_DH_KDF_NONE;
dctx->kdf_oid = NULL;
dctx->kdf_md = NULL;
dctx->kdf_ukm = NULL;
dctx->kdf_ukmlen = 0;
dctx->kdf_outlen = 0;
ctx->data = dctx;
ctx->keygen_info = dctx->gentmp;
@@ -63,17 +122,6 @@ static int pkey_dh_init(EVP_PKEY_CTX *ctx)
return 1;
}
static void pkey_dh_cleanup(EVP_PKEY_CTX *ctx)
{
DH_PKEY_CTX *dctx = ctx->data;
if (dctx != NULL) {
OPENSSL_free(dctx->kdf_ukm);
ASN1_OBJECT_free(dctx->kdf_oid);
OPENSSL_free(dctx);
}
}
static int pkey_dh_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
{
DH_PKEY_CTX *dctx, *sctx;
@@ -90,19 +138,29 @@ static int pkey_dh_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
dctx->kdf_type = sctx->kdf_type;
dctx->kdf_oid = OBJ_dup(sctx->kdf_oid);
if (dctx->kdf_oid == NULL)
if (!dctx->kdf_oid)
return 0;
dctx->kdf_md = sctx->kdf_md;
if (sctx->kdf_ukm != NULL) {
dctx->kdf_ukm = OPENSSL_memdup(sctx->kdf_ukm, sctx->kdf_ukmlen);
if (dctx->kdf_ukm == NULL)
return 0;
if (dctx->kdf_ukm) {
dctx->kdf_ukm = BUF_memdup(sctx->kdf_ukm, sctx->kdf_ukmlen);
dctx->kdf_ukmlen = sctx->kdf_ukmlen;
}
dctx->kdf_outlen = sctx->kdf_outlen;
return 1;
}
static void pkey_dh_cleanup(EVP_PKEY_CTX *ctx)
{
DH_PKEY_CTX *dctx = ctx->data;
if (dctx) {
if (dctx->kdf_ukm)
OPENSSL_free(dctx->kdf_ukm);
if (dctx->kdf_oid)
ASN1_OBJECT_free(dctx->kdf_oid);
OPENSSL_free(dctx);
}
}
static int pkey_dh_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
{
DH_PKEY_CTX *dctx = ctx->data;
@@ -177,7 +235,8 @@ static int pkey_dh_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
return 1;
case EVP_PKEY_CTRL_DH_KDF_UKM:
OPENSSL_free(dctx->kdf_ukm);
if (dctx->kdf_ukm)
OPENSSL_free(dctx->kdf_ukm);
dctx->kdf_ukm = p2;
if (p2)
dctx->kdf_ukmlen = p1;
@@ -190,7 +249,8 @@ static int pkey_dh_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
return dctx->kdf_ukmlen;
case EVP_PKEY_CTRL_DH_KDF_OID:
ASN1_OBJECT_free(dctx->kdf_oid);
if (dctx->kdf_oid)
ASN1_OBJECT_free(dctx->kdf_oid);
dctx->kdf_oid = p2;
return 1;
@@ -207,12 +267,12 @@ static int pkey_dh_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
static int pkey_dh_ctrl_str(EVP_PKEY_CTX *ctx,
const char *type, const char *value)
{
if (strcmp(type, "dh_paramgen_prime_len") == 0) {
if (!strcmp(type, "dh_paramgen_prime_len")) {
int len;
len = atoi(value);
return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, len);
}
if (strcmp(type, "dh_rfc5114") == 0) {
if (!strcmp(type, "dh_rfc5114")) {
DH_PKEY_CTX *dctx = ctx->data;
int len;
len = atoi(value);
@@ -221,17 +281,17 @@ static int pkey_dh_ctrl_str(EVP_PKEY_CTX *ctx,
dctx->rfc5114_param = len;
return 1;
}
if (strcmp(type, "dh_paramgen_generator") == 0) {
if (!strcmp(type, "dh_paramgen_generator")) {
int len;
len = atoi(value);
return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, len);
}
if (strcmp(type, "dh_paramgen_subprime_len") == 0) {
if (!strcmp(type, "dh_paramgen_subprime_len")) {
int len;
len = atoi(value);
return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx, len);
}
if (strcmp(type, "dh_paramgen_type") == 0) {
if (!strcmp(type, "dh_paramgen_type")) {
int typ;
typ = atoi(value);
return EVP_PKEY_CTX_set_dh_paramgen_type(ctx, typ);
@@ -264,7 +324,7 @@ static DSA *dsa_dh_generate(DH_PKEY_CTX *dctx, BN_GENCB *pcb)
if (dctx->use_dsa > 2)
return NULL;
ret = DSA_new();
if (ret == NULL)
if (!ret)
return NULL;
if (subprime_len == -1) {
if (prime_len >= 2048)
@@ -297,7 +357,7 @@ static int pkey_dh_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
DH *dh = NULL;
DH_PKEY_CTX *dctx = ctx->data;
BN_GENCB *pcb;
BN_GENCB *pcb, cb;
int ret;
if (dctx->rfc5114_param) {
switch (dctx->rfc5114_param) {
@@ -321,9 +381,7 @@ static int pkey_dh_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
}
if (ctx->pkey_gencb) {
pcb = BN_GENCB_new();
if (pcb == NULL)
return 0;
pcb = &cb;
evp_pkey_set_cb_translate(pcb, ctx);
} else
pcb = NULL;
@@ -331,8 +389,7 @@ static int pkey_dh_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
if (dctx->use_dsa) {
DSA *dsa_dh;
dsa_dh = dsa_dh_generate(dctx, pcb);
BN_GENCB_free(pcb);
if (dsa_dh == NULL)
if (!dsa_dh)
return 0;
dh = DSA_dup_DH(dsa_dh);
DSA_free(dsa_dh);
@@ -343,13 +400,11 @@ static int pkey_dh_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
}
#endif
dh = DH_new();
if (dh == NULL) {
BN_GENCB_free(pcb);
if (!dh)
return 0;
}
ret = DH_generate_parameters_ex(dh,
dctx->prime_len, dctx->generator, pcb);
BN_GENCB_free(pcb);
if (ret)
EVP_PKEY_assign_DH(pkey, dh);
else
@@ -365,7 +420,7 @@ static int pkey_dh_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
return 0;
}
dh = DH_new();
if (dh == NULL)
if (!dh)
return 0;
EVP_PKEY_assign(pkey, ctx->pmeth->pkey_id, dh);
/* Note: if error return, pkey is freed by parent routine */
@@ -400,7 +455,6 @@ static int pkey_dh_derive(EVP_PKEY_CTX *ctx, unsigned char *key,
}
#ifndef OPENSSL_NO_CMS
else if (dctx->kdf_type == EVP_PKEY_DH_KDF_X9_42) {
unsigned char *Z = NULL;
size_t Zlen = 0;
if (!dctx->kdf_outlen || !dctx->kdf_oid)
@@ -414,7 +468,7 @@ static int pkey_dh_derive(EVP_PKEY_CTX *ctx, unsigned char *key,
ret = 0;
Zlen = DH_size(dh);
Z = OPENSSL_malloc(Zlen);
if (Z == NULL) {
if (!Z) {
goto err;
}
if (DH_compute_key_padded(Z, dhpub, dh) <= 0)
@@ -425,11 +479,14 @@ static int pkey_dh_derive(EVP_PKEY_CTX *ctx, unsigned char *key,
*keylen = dctx->kdf_outlen;
ret = 1;
err:
OPENSSL_clear_free(Z, Zlen);
if (Z) {
OPENSSL_cleanse(Z, Zlen);
OPENSSL_free(Z);
}
return ret;
}
#endif
return 0;
return 1;
}
const EVP_PKEY_METHOD dh_pkey_meth = {