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9441de4c38
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>
94 lines
3.7 KiB
C++
94 lines
3.7 KiB
C++
/*
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* Copyright (C) 2011-2016 Intel Corporation. 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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* * 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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* * 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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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "deriv.h"
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#include "sgx_tcrypto.h"
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// The built-in seal key in simulation mode
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static const uint8_t BASE_SEAL_KEY[] = {
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0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
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0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
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};
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// The built-in report key in simulation mode
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static const uint8_t BASE_REPORT_KEY[] = {
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0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
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0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
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};
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// The built-in license key in simulation mode
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static const uint8_t BASE_LICENSE_KEY[] = {
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0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55,
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0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55,
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};
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// The built-in provision key in simulation mode
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static const uint8_t BASE_PROVISION_KEY[] = {
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0xbb, 0xaa, 0xbb, 0xee, 0xff, 0x00, 0x00, 0xdd,
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0xbb, 0xaa, 0xbb, 0xee, 0xff, 0x00, 0x00, 0xdd,
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};
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// The built-in provision-seal key in simulation mode
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static const uint8_t BASE_PROV_SEAL_KEY[] = {
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0x50, 0x52, 0x4f, 0x56, 0x49, 0x53, 0x49, 0x4f,
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0x4e, 0x53, 0x45, 0x41, 0x4c, 0x4b, 0x45, 0x59,
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};
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const uint8_t* get_base_key(uint16_t key_name)
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{
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switch (key_name) {
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case SGX_KEYSELECT_SEAL: return BASE_SEAL_KEY;
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case SGX_KEYSELECT_REPORT: return BASE_REPORT_KEY;
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case SGX_KEYSELECT_LICENSE: return BASE_LICENSE_KEY;
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case SGX_KEYSELECT_PROVISION: return BASE_PROVISION_KEY;
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case SGX_KEYSELECT_PROVISION_SEAL: return BASE_PROV_SEAL_KEY;
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}
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// Should not come here - error should have been reported
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// when the key name is not supported in the caller.
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return (uint8_t*)0;
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}
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// Compute the CMAC of derivation data with corresponding base key
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// and save it to `okey'.
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void derive_key(const derivation_data_t* dd, sgx_key_128bit_t okey)
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{
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sgx_rijndael128_cmac_msg((const sgx_cmac_128bit_key_t*)(get_base_key(dd->key_name)),
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dd->ddbuf, dd->size, (sgx_cmac_128bit_tag_t*)okey);
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}
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// Compute the CMAC of a `buf' with a given `key'.
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void cmac(const sgx_key_128bit_t *key, const uint8_t* buf, int buf_len, sgx_mac_t* cmac)
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{
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sgx_rijndael128_cmac_msg((const sgx_cmac_128bit_key_t*)key, buf, buf_len, cmac);
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}
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