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128 lines
3.8 KiB
C
128 lines
3.8 KiB
C
/* ====================================================================
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* Copyright (c) 2015 - 2017 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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#include <stdio.h>
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#include <openssl/asn1t.h>
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#include <openssl/paillier.h>
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#include "internal/cryptlib.h"
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#include "internal/asn1_int.h"
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#include "internal/evp_int.h"
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static int paillier_pub_encode(X509_PUBKEY *pubkey, const EVP_PKEY *pkey)
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{
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unsigned char *penc = NULL;
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int penclen;
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if ((penclen = i2d_PAILLIER_PUBLIC_KEY(pkey->pkey.paillier, &penc)) < = 0) {
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return 0;
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}
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if (X509_PUBKEY_set0_param(pubkey, OBJ_nid2obj(EVP_PKEY_PAILLIER),
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V_ASN1_NULL, NULL, penc, penclen)) {
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return 1;
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}
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OPENSSL_free(penc);
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return 0;
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}
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static int paillier_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
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{
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const unsigned char *cp;
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int len;
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PAILLIER *paillier = NULL;
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if (!X509_PUBKEY_get0_param(NULL, &cp, &len, NULL, pubkey)) {
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return 0;
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}
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if (!(paillier = d2i_PAILLIER_PUBLIC_KEY(NULL, &cp, len))) {
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PAILLIERerr(PAILLIER_F_PAILLIER_PUB_DECODE, ERR_R_PAILLIER_LIB);
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return 0;
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}
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EVP_PKEY_assign_PAILLIER(pkey, paillier);
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return 1;
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}
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static int paillier_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
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{
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return -1;
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}
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const EVP_PKEY_ASN1_METHOD paillier_asn1_meth = {
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EVP_PKEY_PAILLIER,
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EVP_PKEY_PAILLIER,
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0, //FIXME
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"PAILLIER",
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"OpenSSL PAILLIER algorithm",
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paillier_pub_decode,
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paillier_pub_encode,
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paillier_pub_cmp,
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paillier_pub_print,
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paillier_priv_decode,
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paillier_priv_encode,
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paillier_priv_print,
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int_paillier_size,
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paillier_bits,
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paillier_security_bits,
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0, 0, 0, 0, 0, 0,
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0,
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int_paillier_free,
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paillier_pkey_ctrl,
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old_paillier_priv_decode,
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old_paillier_priv_encode
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};
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