mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-06-13 08:23:50 +08:00
SKF Wrapper
This commit is contained in:
Zhi Guan
235
crypto/skf/skf_dgst.c
Normal file
235
crypto/skf/skf_dgst.c
Normal file
@@ -0,0 +1,235 @@
|
||||
/* crypto/skf/skf_dgst.c */
|
||||
/* ====================================================================
|
||||
* Copyright (c) 2015-2016 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 <stdio.h>
|
||||
#include <openssl/evp.h>
|
||||
#include <openssl/skf.h>
|
||||
#include <openssl/skf_ex.h>
|
||||
#include "skf_lcl.h"
|
||||
|
||||
|
||||
ULONG DEVAPI SKF_DigestInit(DEVHANDLE hDev,
|
||||
ULONG ulAlgID,
|
||||
ECCPUBLICKEYBLOB *pPubKey,
|
||||
BYTE *pbID,
|
||||
ULONG ulIDLen,
|
||||
HANDLE *phHash)
|
||||
{
|
||||
ULONG ret = SAR_FAIL;
|
||||
const EVP_MD *md;
|
||||
EVP_MD_CTX *mdctx = NULL;
|
||||
EC_KEY *ec_key = NULL;
|
||||
SKF_HANDLE *handle;
|
||||
unsigned char dgst[EVP_MAX_MD_SIZE];
|
||||
unsigned int dgstlen = 0;
|
||||
|
||||
switch (ulAlgID) {
|
||||
case SGD_SM3:
|
||||
md = EVP_sm3();
|
||||
break;
|
||||
case SGD_SHA1:
|
||||
md = EVP_sha1();
|
||||
break;
|
||||
case SGD_SHA256:
|
||||
md = EVP_sha256();
|
||||
break;
|
||||
default:
|
||||
SKFerr(SKF_F_SKF_DIGESTINIT, SKF_R_INVALID_ALGID);
|
||||
return SAR_INVALIDPARAMERR;
|
||||
}
|
||||
|
||||
if (!(mdctx = EVP_MD_CTX_create())) {
|
||||
SKFerr(SKF_F_SKF_DIGESTINIT, SKF_R_MALLOC_FAILED);
|
||||
return SAR_FAIL;
|
||||
}
|
||||
|
||||
if (!EVP_DigestInit_ex(mdctx, md, NULL)) {
|
||||
SKFerr(SKF_F_SKF_DIGESTINIT, ERR_R_EVP_LIB);
|
||||
goto end;
|
||||
}
|
||||
|
||||
if (pPubKey) {
|
||||
|
||||
if (!(ec_key = EC_KEY_new_from_ECCPUBLICKEYBLOB(pPubKey))) {
|
||||
SKFerr(SKF_F_SKF_DIGESTINIT, SKF_R_INVALID_BLOB);
|
||||
ret = SAR_INVALIDPARAMERR;
|
||||
goto end;
|
||||
}
|
||||
|
||||
if (pbID) {
|
||||
if (ulIDLen <= 0 || ulIDLen > SM2_MAX_ID_LENGTH) {
|
||||
SKFerr(SKF_F_SKF_DIGESTINIT, SKF_R_INVALID_ID_LENGTH);
|
||||
ret = SAR_INVALIDPARAMERR;
|
||||
goto end;
|
||||
}
|
||||
|
||||
OPENSSL_assert(strlen((char *)pbID) == ulIDLen);
|
||||
if (!SM2_set_id(ec_key, (char *)pbID)) {
|
||||
SKFerr(SKF_F_SKF_DIGESTINIT, ERR_R_SM2_LIB);
|
||||
ret = SAR_FAIL;
|
||||
goto end;
|
||||
}
|
||||
}
|
||||
|
||||
dgstlen = sizeof(dgst);
|
||||
if (!SM2_compute_id_digest(md, dgst, &dgstlen, ec_key)) {
|
||||
SKFerr(SKF_F_SKF_DIGESTINIT, ERR_R_SM2_LIB);
|
||||
goto end;
|
||||
}
|
||||
|
||||
if (!EVP_DigestUpdate(mdctx, dgst, dgstlen)) {
|
||||
goto end;
|
||||
}
|
||||
|
||||
} else {
|
||||
if (pbID) {
|
||||
SKFerr(SKF_F_SKF_DIGESTINIT, SKF_R_NO_PUBLIC_KEY);
|
||||
ret = SAR_INVALIDPARAMERR;
|
||||
goto end;
|
||||
}
|
||||
}
|
||||
|
||||
if (!(handle = SKF_HANDLE_new(SKF_HASH_HANDLE))) {
|
||||
SKFerr(SKF_F_SKF_DIGESTINIT, SKF_R_MALLOC_FAILED);
|
||||
ret = SAR_MEMORYERR;
|
||||
goto end;
|
||||
}
|
||||
|
||||
handle->u.md_ctx = mdctx;
|
||||
mdctx = NULL;
|
||||
|
||||
ret = SAR_OK;
|
||||
|
||||
end:
|
||||
EVP_MD_CTX_destroy(mdctx);
|
||||
EC_KEY_free(ec_key);
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
ULONG DEVAPI SKF_DigestUpdate(HANDLE hHash,
|
||||
BYTE *pbData,
|
||||
ULONG ulDataLen)
|
||||
{
|
||||
EVP_MD_CTX *md_ctx;
|
||||
|
||||
if (!(md_ctx = SKF_HANDLE_get_md_ctx(hHash))) {
|
||||
SKFerr(SKF_F_SKF_DIGESTUPDATE, SKF_R_INVALID_HASH_HANDLE);
|
||||
return SAR_INVALIDPARAMERR;
|
||||
}
|
||||
|
||||
if (!pbData) {
|
||||
SKFerr(SKF_F_SKF_DIGESTUPDATE, SKF_R_INVALID_ARGUMENTS);
|
||||
return SAR_INVALIDPARAMERR;
|
||||
}
|
||||
|
||||
if (ulDataLen == 0) {
|
||||
return SAR_OK;
|
||||
}
|
||||
|
||||
if (!EVP_DigestUpdate(md_ctx, pbData, ulDataLen)) {
|
||||
SKFerr(SKF_F_SKF_DIGESTUPDATE, ERR_R_EVP_LIB);
|
||||
return SAR_FAIL;
|
||||
}
|
||||
|
||||
return SAR_OK;
|
||||
}
|
||||
|
||||
ULONG DEVAPI SKF_DigestFinal(HANDLE hHash,
|
||||
BYTE *pHashData,
|
||||
ULONG *pulHashLen)
|
||||
{
|
||||
EVP_MD_CTX *mdctx;
|
||||
|
||||
if (!(mdctx = SKF_HANDLE_get_md_ctx(hHash))) {
|
||||
SKFerr(SKF_F_SKF_DIGESTFINAL, SKF_R_INVALID_HANDLE);
|
||||
return SAR_INVALIDPARAMERR;
|
||||
}
|
||||
|
||||
if (!pulHashLen) {
|
||||
SKFerr(SKF_F_SKF_DIGESTFINAL, SKF_R_NULL_ARGUMENT);
|
||||
return SAR_INVALIDPARAMERR;
|
||||
}
|
||||
|
||||
if (!EVP_DigestFinal_ex(mdctx, pHashData, pulHashLen)) {
|
||||
SKFerr(SKF_F_SKF_DIGESTFINAL, ERR_R_EVP_LIB);
|
||||
return SAR_FAIL;
|
||||
}
|
||||
|
||||
if (!SKF_HANDLE_free(hHash)) {
|
||||
SKFerr(SKF_F_SKF_DIGESTFINAL, SKF_R_FREE_HANDLE_FAILED);
|
||||
return SAR_FAIL;
|
||||
}
|
||||
|
||||
return SAR_OK;
|
||||
}
|
||||
|
||||
ULONG DEVAPI SKF_Digest(HANDLE hHash,
|
||||
BYTE *pbData,
|
||||
ULONG ulDataLen,
|
||||
BYTE *pbHashData,
|
||||
ULONG *pulHashLen)
|
||||
{
|
||||
ULONG rv;
|
||||
|
||||
if ((rv = SKF_DigestUpdate(hHash, pbData, ulDataLen)) != SAR_OK) {
|
||||
SKFerr(SKF_F_SKF_DIGEST, ERR_R_SKF_LIB);
|
||||
return rv;
|
||||
}
|
||||
|
||||
if ((rv = SKF_DigestFinal(hHash, pbHashData, pulHashLen)) != SAR_OK) {
|
||||
SKFerr(SKF_F_SKF_DIGEST, ERR_R_SKF_LIB);
|
||||
return rv;
|
||||
}
|
||||
|
||||
return SAR_OK;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user