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https://github.com/guanzhi/GmSSL.git
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Add sm9 and paillier pem support
This commit is contained in:
Zhi Guan
411
crypto/sm9/sm9_ameth.c
Normal file
411
crypto/sm9/sm9_ameth.c
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@@ -0,0 +1,411 @@
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/* ====================================================================
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* Copyright (c) 2015 - 2018 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/sm9.h>
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <openssl/x509.h>
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#include <openssl/asn1t.h>
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#include <openssl/objects.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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#include "sm9_lcl.h"
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static int sm9_params_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_SM9PublicParameters(pkey->pkey.sm9_master, &penc)) <= 0) {
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return 0;
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}
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printf("penclen = %d\n", penclen);
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printf("penc == NULL: %d\n", penc == NULL);
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printf("%lu\n", OBJ_nid2obj(EVP_PKEY_SM9_MASTER));
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OPENSSL_assert(pubkey);
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if (X509_PUBKEY_set0_param(pubkey, OBJ_nid2obj(EVP_PKEY_SM9_MASTER),
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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 sm9_params_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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SM9PublicParameters *sm9_params = 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 (!(sm9_params = d2i_SM9PublicParameters(NULL, &cp, len))) {
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SM9err(SM9_F_SM9_PARAMS_DECODE, ERR_R_SM9_LIB);
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return 0;
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}
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EVP_PKEY_assign_SM9PublicParameters(pkey, sm9_params);
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return 1;
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}
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static int sm9_params_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
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{
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/*
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if (OBJ_cmp(a->pkey.sm9_master->pairing, b->pkey.sm9_master->pairing) != 0
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|| OBJ_cmp(a->pkey.sm9_master->scheme, b->pkey.sm9_master->scheme) != 0
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|| OBJ_cmp(a->pkey.sm9_master->hash1, b->pkey.sm9_master->hash1) != 0
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|| ASN1_OCTET_STRING_cmp(a->pkey.sm9_master->pointPpub,
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b->pkey.sm9_master->pointPpub) != 0) {
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return 0;
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}
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*/
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return 1;
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}
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static int do_sm9_master_print(BIO *bp, const SM9MasterSecret *x, int off, int priv)
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{
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return -2;
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}
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static int sm9_params_print(BIO *bp, const EVP_PKEY *pkey, int indent,
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ASN1_PCTX *ctx)
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{
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return do_sm9_master_print(bp, pkey->pkey.sm9_master, indent, 0);
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}
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static int sm9_master_print(BIO *bp, const EVP_PKEY *pkey, int indent,
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ASN1_PCTX *ctx)
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{
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return do_sm9_master_print(bp, pkey->pkey.sm9_master, indent, 1);
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}
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static int sm9_master_decode(EVP_PKEY *pkey, const PKCS8_PRIV_KEY_INFO *p8)
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{
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const unsigned char *p;
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int pklen;
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SM9MasterSecret *sm9_master;
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if (!PKCS8_pkey_get0(NULL, &p, &pklen, NULL, p8))
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return 0;
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if (!(sm9_master = d2i_SM9MasterSecret(NULL, &p, pklen))) {
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SM9err(SM9_F_SM9_MASTER_DECODE, ERR_R_SM9_LIB);
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return 0;
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}
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EVP_PKEY_assign_SM9MasterSecret(pkey, sm9_master);
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return 1;
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}
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static int sm9_master_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
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{
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unsigned char *rk = NULL;
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int rklen;
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fprintf(stderr, "%s %d: %s\n", __FILE__, __LINE__, __FUNCTION__);
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if ((rklen = i2d_SM9MasterSecret(pkey->pkey.sm9_master, &rk)) <= 0) {
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SM9err(SM9_F_SM9_MASTER_ENCODE, ERR_R_MALLOC_FAILURE);
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return 0;
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}
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if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(EVP_PKEY_SM9_MASTER), 0,
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V_ASN1_NULL, NULL, rk, rklen)) {
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SM9err(SM9_F_SM9_MASTER_ENCODE, ERR_R_MALLOC_FAILURE);
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return 0;
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}
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return 1;
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}
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static int int_sm9_size(const EVP_PKEY *pkey)
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{
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return 32 * 12;
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}
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static int sm9_bits(const EVP_PKEY *pkey)
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{
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return 256 * 12;
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}
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static int sm9_security_bits(const EVP_PKEY *pkey)
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{
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return 256/2;
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}
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static void int_sm9_master_free(EVP_PKEY *pkey)
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{
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SM9MasterSecret_free(pkey->pkey.sm9_master);
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}
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static int sm9_master_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
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{
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return -2;
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}
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static int old_sm9_master_decode(EVP_PKEY *pkey,
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const unsigned char **pder, int derlen)
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{
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SM9MasterSecret *sm9_master;
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if ((sm9_master = d2i_SM9MasterSecret(NULL, pder, derlen)) == NULL) {
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SM9err(SM9_F_OLD_SM9_MASTER_DECODE, SM9_R_DECODE_ERROR);
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return 0;
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}
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EVP_PKEY_assign_SM9MasterSecret(pkey, sm9_master);
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return 1;
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}
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static int old_sm9_master_encode(const EVP_PKEY *pkey, unsigned char **pder)
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{
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fprintf(stderr, "%s %d: %s\n", __FILE__, __LINE__, __FUNCTION__);
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return i2d_SM9MasterSecret(pkey->pkey.sm9_master, pder);
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}
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const EVP_PKEY_ASN1_METHOD sm9_master_asn1_meth = {
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EVP_PKEY_SM9_MASTER, /* pkey_id */
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EVP_PKEY_SM9_MASTER, /* pkey_base_id */
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0, /* pkey_flags */
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"SM9 MASTER", /* pem_str */
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"GmSSL SM9 algorithm", /* info */
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sm9_params_decode, /* pub_decode */
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sm9_params_encode, /* pub_encode */
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sm9_params_cmp, /* pub_cmp */
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sm9_params_print, /* pub_print */
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sm9_master_decode, /* priv_decode */
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sm9_master_encode, /* priv_encode */
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sm9_master_print, /* priv_print */
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int_sm9_size, /* pkey_size */
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sm9_bits, /* pkey_bits */
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sm9_security_bits, /* pkey_security_bits */
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NULL, /* param_decode */
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NULL, /* param_encode */
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NULL, /* param_missing */
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NULL, /* param_copy */
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NULL, /* param_cmp */
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NULL, /* param_print */
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NULL, /* sig_print */
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int_sm9_master_free, /* pkey_free */
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sm9_master_pkey_ctrl, /* pkey_ctrl */
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old_sm9_master_decode, /* old_priv_decode */
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old_sm9_master_encode, /* old_priv_encode */
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NULL, /* item_verify */
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NULL, /* item_sign */
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};
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static int sm9_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_SM9PublicKey(pkey->pkey.sm9, &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_SM9),
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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 sm9_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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SM9PublicKey *sm9 = 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 (!(sm9 = d2i_SM9PublicKey(NULL, &cp, len))) {
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SM9err(SM9_F_SM9_PUB_DECODE, ERR_R_SM9_LIB);
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return 0;
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}
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EVP_PKEY_assign_SM9PublicKey(pkey, sm9);
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return 1;
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}
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static int sm9_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
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{
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const SM9PublicKey *ax = a->pkey.sm9;
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const SM9PublicKey *bx = b->pkey.sm9;
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if (OBJ_cmp(ax->pairing, bx->pairing)
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|| OBJ_cmp(ax->scheme, bx->scheme)
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|| OBJ_cmp(ax->hash1, bx->hash1)
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/* FIXME: decode point then compare to support point compression */
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|| ASN1_OCTET_STRING_cmp(ax->pointPpub, bx->pointPpub)
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|| ASN1_OCTET_STRING_cmp(ax->identity, bx->identity)
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|| ASN1_OCTET_STRING_cmp(ax->publicPoint, bx->publicPoint)) {
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return 0;
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}
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return 1;
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}
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static int do_sm9_print(BIO *bp, const SM9PrivateKey *x, int off, int priv)
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{
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return -2;
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}
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static int sm9_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent,
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ASN1_PCTX *ctx)
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{
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return do_sm9_print(bp, pkey->pkey.sm9, indent, 0);
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}
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static int sm9_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent,
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ASN1_PCTX *ctx)
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{
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return do_sm9_print(bp, pkey->pkey.sm9, indent, 1);
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}
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static int sm9_priv_decode(EVP_PKEY *pkey, const PKCS8_PRIV_KEY_INFO *p8)
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{
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const unsigned char *p;
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int pklen;
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SM9PrivateKey *sm9;
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if (!PKCS8_pkey_get0(NULL, &p, &pklen, NULL, p8))
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return 0;
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if (!(sm9 = d2i_SM9PrivateKey(NULL, &p, pklen))) {
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SM9err(SM9_F_SM9_PRIV_DECODE, ERR_R_SM9_LIB);
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return 0;
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}
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EVP_PKEY_assign_SM9PrivateKey(pkey, sm9);
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return 1;
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}
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static int sm9_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
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{
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unsigned char *rk = NULL;
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int rklen;
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/*
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fprintf(stderr, "%s %d: %s\n", __FILE__, __LINE__, __FUNCTION__);
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fprintf(stderr, "%s %s: %d\n", __FILE__, __LINE__, pkey->pkey.sm9->privatePoint != NULL);
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*/
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if ((rklen = i2d_SM9PrivateKey(pkey->pkey.sm9, &rk)) <= 0) {
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SM9err(SM9_F_SM9_PRIV_ENCODE, ERR_R_MALLOC_FAILURE);
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return 0;
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}
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if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(EVP_PKEY_SM9), 0,
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V_ASN1_NULL, NULL, rk, rklen)) {
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SM9err(SM9_F_SM9_PRIV_ENCODE, ERR_R_MALLOC_FAILURE);
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return 0;
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}
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return 1;
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}
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static void int_sm9_free(EVP_PKEY *pkey)
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{
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SM9PrivateKey_free(pkey->pkey.sm9);
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}
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static int sm9_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
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{
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return -2;
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}
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static int old_sm9_priv_decode(EVP_PKEY *pkey,
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const unsigned char **pder, int derlen)
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{
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SM9PrivateKey *sm9;
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if ((sm9 = d2i_SM9PrivateKey(NULL, pder, derlen)) == NULL) {
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SM9err(SM9_F_OLD_SM9_PRIV_DECODE, SM9_R_DECODE_ERROR);
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return 0;
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}
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EVP_PKEY_assign_SM9PrivateKey(pkey, sm9);
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return 1;
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}
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static int old_sm9_priv_encode(const EVP_PKEY *pkey, unsigned char **pder)
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{
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fprintf(stderr, "%s %d: %s\n", __FILE__, __LINE__, __FUNCTION__);
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return i2d_SM9PrivateKey(pkey->pkey.sm9, pder);
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}
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const EVP_PKEY_ASN1_METHOD sm9_asn1_meth = {
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EVP_PKEY_SM9, /* pkey_id */
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EVP_PKEY_SM9, /* pkey_base_id */
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0, /* pkey_flags */
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"SM9", /* pem_str */
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"GmSSL SM9 algorithm", /* info */
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sm9_pub_decode, /* pub_decode */
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sm9_pub_encode, /* pub_encode */
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sm9_pub_cmp, /* pub_cmp */
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sm9_pub_print, /* pub_print */
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sm9_priv_decode, /* priv_decode */
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sm9_priv_encode, /* priv_encode */
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sm9_priv_print, /* priv_print */
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int_sm9_size, /* pkey_size */
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sm9_bits, /* pkey_bits */
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sm9_security_bits, /* pkey_security_bits */
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NULL, /* param_decode */
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NULL, /* param_encode */
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NULL, /* param_missing */
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NULL, /* param_copy */
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NULL, /* param_cmp */
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NULL, /* param_print */
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NULL, /* sig_print */
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int_sm9_free, /* pkey_free */
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sm9_pkey_ctrl, /* pkey_ctrl */
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old_sm9_priv_decode, /* old_priv_decode */
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old_sm9_priv_encode, /* old_priv_encode */
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NULL, /* item_verify */
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NULL, /* item_sign */
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};
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