mirror of
https://github.com/guanzhi/GmSSL.git
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121 lines
4.2 KiB
C
121 lines
4.2 KiB
C
/* ====================================================================
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* Copyright (c) 2014 - 2016 The GmSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the GmSSL Project.
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* (http://gmssl.org/)"
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*
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* 4. The name "GmSSL Project" must not be used to endorse or promote
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* products derived from this software without prior written
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* permission. For written permission, please contact
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* guanzhi1980@gmail.com.
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*
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* 5. Products derived from this software may not be called "GmSSL"
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* nor may "GmSSL" appear in their names without prior written
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* permission of the GmSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the GmSSL Project
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* (http://gmssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*/
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/*
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* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include "internal/cryptlib.h"
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#ifndef OPENSSL_NO_RSA
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# include <openssl/rsa.h>
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#endif
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#include <openssl/evp.h>
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#include <openssl/objects.h>
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#include <openssl/x509.h>
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#ifndef OPENSSL_NO_SM2
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# include <openssl/sm2.h>
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#endif
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int EVP_PKEY_encrypt_old(unsigned char *out, const unsigned char *in,
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int inlen, EVP_PKEY *pkey)
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{
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int ret = 0;
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EVP_PKEY_CTX *ctx = NULL;
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size_t size;
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# ifndef OPENSSL_NO_RSA
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if (EVP_PKEY_id(pkey) == EVP_PKEY_RSA) {
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if ((ret = RSA_public_encrypt(inlen, in, out,
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EVP_PKEY_get0_RSA(pkey), RSA_PKCS1_PADDING)) < 0) {
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EVPerr(EVP_F_EVP_PKEY_ENCRYPT_OLD,
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EVP_R_RSA_PUBLIC_ENCRYPT_FAILED);
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return 0;
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}
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}
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# endif
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# ifndef OPENSSL_NO_SM2
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/* hope the caller has prepared enough buffer for `out`
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* because this function has no idea of the out length */
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if (!(ctx = EVP_PKEY_CTX_new(pkey, NULL))
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|| !EVP_PKEY_encrypt_init(ctx)) {
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EVPerr(EVP_F_EVP_PKEY_ENCRYPT_OLD, ERR_R_EVP_LIB);
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goto end;
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}
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if (EVP_PKEY_id(pkey) == EVP_PKEY_EC && EC_GROUP_get_curve_name(
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EC_KEY_get0_group(EVP_PKEY_get0_EC_KEY(pkey))) == NID_sm2p256v1) {
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# ifdef SM2_DEBUG
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fprintf(stderr, "[SM2_DEBUG] %s->EVP_PKEY_CTX_set_ec_scheme\n", __FUNCTION__);
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# endif
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if (EVP_PKEY_CTX_set_ec_scheme(ctx, NID_sm_scheme) <= 0
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|| EVP_PKEY_CTX_set_ec_encrypt_param(ctx, NID_sm3) <= 0) {
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goto end;
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}
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}
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if (!EVP_PKEY_encrypt(ctx, NULL, &size, in, inlen)
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|| !EVP_PKEY_encrypt(ctx, out, &size, in, inlen)) {
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EVPerr(EVP_F_EVP_PKEY_ENCRYPT_OLD, ERR_R_EVP_LIB);
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goto end;
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}
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ret = (int)size;
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#endif
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end:
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EVP_PKEY_CTX_free(ctx);
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return ret;
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}
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