Files
intel-linux-sgx/psw/ae/common/pve_pub_key.cpp
T
Angie Chinchilla 9441de4c38 Initial release of Intel SGX for Linux.
This release is used in conjunction with the linux-sgx-driver Intial release:
https://github.com/01org/linux-sgx-driver
commit-id: 0e865ce5e6b297a787bcdc12d98bada8174be6d7

Intel-id: 33399

Signed-off-by: Angie Chinchilla <angie.v.chinchilla@intel.com>
2016-06-23 18:51:53 -04:00

67 lines
2.8 KiB
C++

/*
* Copyright (C) 2011-2016 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS 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 COPYRIGHT
* OWNER OR 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 "byte_order.h"
#include "epid_pve_type.h"
#include "sgx_tcrypto.h"
#include "ipp_wrapper.h"
static void get_provision_server_rsa_key_little_endian_order(const signed_pek_t& pek, signed_pek_t& little_endian_key)
{
uint32_t i;
for(i=0;i<sizeof(pek.n);i++){
little_endian_key.n[i] = pek.n[sizeof(pek.n)-1-i];
}
for(i=0;i<sizeof(pek.e);i++){
little_endian_key.e[i] = pek.e[sizeof(pek.e)-1-i];
}
}
//Function to get the rsa public key of backend server for IPP functions
//The output rsa_pub_key should be released by function free_rsa_key
IppStatus get_provision_server_rsa_pub_key_in_ipp_format(const signed_pek_t& pek, IppsRSAPublicKeyState **rsa_pub_key)
{
signed_pek_t little_endian_key;
get_provision_server_rsa_key_little_endian_order(pek, little_endian_key);
IppStatus status = create_rsa_pub_key(PVE_RSA_KEY_BYTES,
sizeof(little_endian_key.e),
reinterpret_cast<const Ipp32u*>(little_endian_key.n),
reinterpret_cast<const Ipp32u *>(&little_endian_key.e),
rsa_pub_key);
if(status != ippStsNoErr){
return status;
}
return ippStsNoErr;
}