mirror of
https://github.com/intel/linux-sgx
synced 2026-06-08 14:49:32 +00:00
Li, Xun
effae62802
Along with the latest processor microcode and re-signed all the Intel(R) SGX Architecture Enclaves (AEs) to address CVE-2022-21123, CVE-2022-21125 and CVE-2022-21166. Upgraded to Protobuf 3.20. Upgraded to SgxSSL/OpenSSL 1.1.1o. Added Intel TDX Attestation support. Added Rust support for ECDSA quote verification. Fixed bugs. Signed-off-by: Li, Xun <xun.li@intel.com>
114 lines
3.6 KiB
C++
114 lines
3.6 KiB
C++
/*
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* Copyright (C) 2011-2021 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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/* Test Array Attributes */
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#include "sgx_trts.h"
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#include "../Enclave.h"
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#include "Enclave_t.h"
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#include <string.h>
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/* ecall_array_user_check:
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* [user_check] parameter does not perfrom copy operations.
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*/
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void ecall_array_user_check(int arr[4])
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{
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if (sgx_is_outside_enclave(arr, 4 * sizeof(int)) != 1)
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abort();
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for (int i = 0; i < 4; i++) {
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assert(arr[i] == i);
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/* Below code performs as arr[i] = (3 - i)
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* It writes 4 bytes to untrusted memory, not 8 bytes aligned.
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* So we need to use memcpy_verw() for security consideration.
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* */
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int tmp = 3 - i;
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memcpy_verw(&arr[i], &tmp, sizeof(int));
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}
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}
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/* ecall_array_in:
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* arr[] is copied to trusted domain, but modified
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* results will not be reflected to the untrusted side.
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*/
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void ecall_array_in(int arr[4])
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{
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for (int i = 0; i < 4; i++) {
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assert(arr[i] == i);
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arr[i] = (3 - i);
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}
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}
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/* ecall_array_out:
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* arr[] is allocated inside the enclave, and it will be copied
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* to the untrusted side
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*/
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void ecall_array_out(int arr[4])
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{
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for (int i = 0; i < 4; i++) {
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/* arr is not copied from App */
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assert(arr[i] == 0);
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arr[i] = (3 - i);
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}
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}
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/* ecall_array_in_out:
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* arr[] will be allocated inside the enclave, content of arr[] will be copied either.
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* After ECALL returns, the results will be copied to the outside.
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*/
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void ecall_array_in_out(int arr[4])
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{
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for (int i = 0; i < 4; i++) {
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assert(arr[i] == i);
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arr[i] = (3 - i);
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}
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}
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/* ecall_array_isary:
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* [isary] tells Edger8r that user defined 'array_t' is an array type.
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*/
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void ecall_array_isary(array_t arr)
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{
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if (sgx_is_outside_enclave(arr, sizeof(array_t)) != 1)
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abort();
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int n = sizeof(array_t)/sizeof(arr[0]);
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for (int i = 0; i < n; i++) {
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assert(arr[i] == i);
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/* Below code performs as arr[i] = (n - 1 - i);
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* It writes 4 bytes to untrusted memory, not 8 bytes aligned.
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* So we need to use memcpy_verw() for security consideration.
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* */
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int tmp = n -1 - i;
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memcpy_verw(&arr[i], &tmp, sizeof(int));
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}
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}
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