abc/GmSSL
1
0
Fork 0
mirror of https://github.com/guanzhi/GmSSL.git synced 2026-05-13 20:06:24 +08:00
Code Issues Packages Projects Releases Wiki Activity

add cpk

Browse Source
This commit is contained in:
Zhi Guan
2017-02-15 15:03:35 +08:00
parent d943331746
commit 7eb9c6664a
17 changed files with 1871 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

178
crypto/cpk/cpk_map.c Executable file
View File

@@ -0,0 +1,178 @@
/* ====================================================================
* Copyright (c) 2007 - 2016 The GmSSL 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 GmSSL Project.
* (http://gmssl.org/)"
*
* 4. The name "GmSSL Project" must not be used to endorse or promote
* products derived from this software without prior written
* permission. For written permission, please contact
* guanzhi1980@gmail.com.
*
* 5. Products derived from this software may not be called "GmSSL"
* nor may "GmSSL" appear in their names without prior written
* permission of the GmSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the GmSSL Project
* (http://gmssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE GmSSL 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 GmSSL 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.
* ====================================================================
*
*/
#include <string.h>
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/cpk.h>
X509_ALGOR *CPK_MAP_new_default()
{
X509_ALGOR *algor = NULL;
const EVP_MD *md = EVP_sha1();
if (md != EVP_sha1() && md != EVP_sha384()) {
CPKerr(CPK_F_CPK_MAP_NEW_DEFAULT, CPK_R_BAD_ARGUMENT);
goto end;
}
if (!(algor = X509_ALGOR_new())) {
CPKerr(CPK_F_CPK_MAP_NEW_DEFAULT, ERR_R_X509_LIB);
goto end;
}
if (!X509_ALGOR_set0(algor, OBJ_nid2obj(EVP_MD_nid(md)),
V_ASN1_UNDEF, NULL)) {
X509_ALGOR_free(algor);
algor = NULL;
CPKerr(CPK_F_CPK_MAP_NEW_DEFAULT, ERR_R_X509_LIB);
goto end;
}
end:
return algor;
}
int CPK_MAP_is_valid(const X509_ALGOR *algor)
{
OPENSSL_assert(algor);
OPENSSL_assert(algor->algorithm);
switch (OBJ_obj2nid(algor->algorithm)) {
case NID_sha1:
case NID_sha384:
return 1;
}
return 0;
}
int CPK_MAP_num_subset(const X509_ALGOR *algor)
{
OPENSSL_assert(algor);
OPENSSL_assert(algor->algorithm);
switch (OBJ_obj2nid(algor->algorithm)) {
case NID_sha1:
return 32;
case NID_sha384:
return 4096;
}
return -1;
}
int CPK_MAP_num_factors(const X509_ALGOR *algor)
{
return 1024;
}
int CPK_MAP_num_indexes(const X509_ALGOR *algor)
{
return 32;
}
int CPK_MAP_num_index(const X509_ALGOR *algor)
{
OPENSSL_assert(algor);
OPENSSL_assert(algor->algorithm);
switch (OBJ_obj2nid(algor->algorithm)) {
case NID_sha1:
return 32;
case NID_sha384:
return 32;
}
return -1;
}
int CPK_MAP_str2index(const X509_ALGOR *algor, const char *str, int *index)
{
int ret = 0;
const EVP_MD *md;
unsigned char dgst[EVP_MAX_MD_SIZE];
unsigned int dgstlen;
BIGNUM *bn = NULL;
int i, num_index, num_subset;
OPENSSL_assert(algor);
OPENSSL_assert(algor->algorithm);
OPENSSL_assert(str);
OPENSSL_assert(strlen(str) > 0);
if (!CPK_MAP_is_valid(algor)) {
CPKerr(CPK_F_CPK_MAP_STR2INDEX, CPK_R_INVALID_MAP_ALGOR);
goto err;
}
if (!index) {
ret = CPK_MAP_num_index(algor);
goto err;
}
if (!(md = EVP_get_digestbyobj(algor->algorithm))) {
CPKerr(CPK_F_CPK_MAP_STR2INDEX, ERR_R_EVP_LIB);
goto err;
}
if (!EVP_Digest(str, strlen(str), dgst, &dgstlen, md, NULL)) {
CPKerr(CPK_F_CPK_MAP_STR2INDEX, ERR_R_EVP_LIB);
return 0;
}
if (!(bn = BN_new())) {
CPKerr(CPK_F_CPK_MAP_STR2INDEX, ERR_R_BN_LIB);
goto err;
}
if (!BN_bin2bn(dgst, dgstlen, bn)) {
CPKerr(CPK_F_CPK_MAP_STR2INDEX, ERR_R_BN_LIB);
goto err;
}
num_index = CPK_MAP_num_index(algor);
num_subset = CPK_MAP_num_subset(algor);
for (i = 0; i < num_index; i++) {
int r = BN_mod_word(bn, num_subset);
index[i] = num_subset * i + r;
}
ret = num_index;
err:
if (bn) BN_free(bn);
return ret;
}