mirror of
https://github.com/RfidResearchGroup/proxmark3.git
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mbedtls 2.26.0
This commit is contained in:
parent
37e0ed59f2
commit
6324e2e746
187 changed files with 106114 additions and 19438 deletions
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@ -1,31 +1,23 @@
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/*
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* Portable interface to the CPU cycle counter
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*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: GPL-2.0
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "mbedtls/config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#include "common.h"
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#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_PLATFORM_C)
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#include "mbedtls/platform.h"
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@ -42,7 +34,7 @@
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#if !defined(unix) && !defined(__unix__) && !defined(__unix) && \
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!defined(__APPLE__) && !defined(_WIN32) && !defined(__QNXNTO__) && \
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!defined(__HAIKU__)
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!defined(__HAIKU__) && !defined(__midipix__)
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#error "This module only works on Unix and Windows, see MBEDTLS_TIMING_C in config.h"
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#endif
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@ -53,9 +45,10 @@
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#if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
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#include <windows.h>
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#include <winbase.h>
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#include <process.h>
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struct _hr_time {
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struct _hr_time
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{
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LARGE_INTEGER start;
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};
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@ -67,7 +60,8 @@ struct _hr_time {
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#include <signal.h>
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#include <time.h>
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struct _hr_time {
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struct _hr_time
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{
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struct timeval start;
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};
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@ -78,11 +72,12 @@ struct _hr_time {
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#define HAVE_HARDCLOCK
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unsigned long mbedtls_timing_hardclock(void) {
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unsigned long mbedtls_timing_hardclock( void )
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{
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unsigned long tsc;
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__asm rdtsc
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__asm mov [tsc], eax
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return (tsc);
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return( tsc );
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}
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#endif /* !HAVE_HARDCLOCK && MBEDTLS_HAVE_ASM &&
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( _MSC_VER && _M_IX86 ) || __WATCOMC__ */
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@ -94,10 +89,11 @@ unsigned long mbedtls_timing_hardclock(void) {
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#define HAVE_HARDCLOCK
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unsigned long mbedtls_timing_hardclock(void) {
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unsigned long mbedtls_timing_hardclock( void )
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{
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unsigned long lo, hi;
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asm volatile("rdtsc" : "=a"(lo), "=d"(hi));
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return (lo);
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asm volatile( "rdtsc" : "=a" (lo), "=d" (hi) );
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return( lo );
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}
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#endif /* !HAVE_HARDCLOCK && MBEDTLS_HAVE_ASM &&
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__GNUC__ && __i386__ */
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#define HAVE_HARDCLOCK
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unsigned long mbedtls_timing_hardclock(void) {
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unsigned long mbedtls_timing_hardclock( void )
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{
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unsigned long lo, hi;
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asm volatile("rdtsc" : "=a"(lo), "=d"(hi));
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return (lo | (hi << 32));
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asm volatile( "rdtsc" : "=a" (lo), "=d" (hi) );
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return( lo | ( hi << 32 ) );
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}
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#endif /* !HAVE_HARDCLOCK && MBEDTLS_HAVE_ASM &&
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__GNUC__ && ( __amd64__ || __x86_64__ ) */
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@ -120,16 +117,19 @@ unsigned long mbedtls_timing_hardclock(void) {
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#define HAVE_HARDCLOCK
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unsigned long mbedtls_timing_hardclock(void) {
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unsigned long mbedtls_timing_hardclock( void )
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{
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unsigned long tbl, tbu0, tbu1;
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do {
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asm volatile("mftbu %0" : "=r"(tbu0));
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asm volatile("mftb %0" : "=r"(tbl));
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asm volatile("mftbu %0" : "=r"(tbu1));
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} while (tbu0 != tbu1);
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do
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{
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asm volatile( "mftbu %0" : "=r" (tbu0) );
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asm volatile( "mftb %0" : "=r" (tbl ) );
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asm volatile( "mftbu %0" : "=r" (tbu1) );
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}
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while( tbu0 != tbu1 );
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return (tbl);
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return( tbl );
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}
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#endif /* !HAVE_HARDCLOCK && MBEDTLS_HAVE_ASM &&
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__GNUC__ && ( __powerpc__ || __ppc__ ) */
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#else
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#define HAVE_HARDCLOCK
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unsigned long mbedtls_timing_hardclock(void) {
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unsigned long mbedtls_timing_hardclock( void )
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{
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unsigned long tick;
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asm volatile("rdpr %%tick, %0;" : "=&r"(tick));
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return (tick);
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asm volatile( "rdpr %%tick, %0;" : "=&r" (tick) );
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return( tick );
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}
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#endif /* __OpenBSD__ */
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#endif /* !HAVE_HARDCLOCK && MBEDTLS_HAVE_ASM &&
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#define HAVE_HARDCLOCK
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unsigned long mbedtls_timing_hardclock(void) {
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unsigned long mbedtls_timing_hardclock( void )
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{
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unsigned long tick;
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asm volatile(".byte 0x83, 0x41, 0x00, 0x00");
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asm volatile("mov %%g1, %0" : "=r"(tick));
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return (tick);
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asm volatile( ".byte 0x83, 0x41, 0x00, 0x00" );
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asm volatile( "mov %%g1, %0" : "=r" (tick) );
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return( tick );
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}
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#endif /* !HAVE_HARDCLOCK && MBEDTLS_HAVE_ASM &&
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__GNUC__ && __sparc__ && !__sparc64__ */
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#define HAVE_HARDCLOCK
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unsigned long mbedtls_timing_hardclock(void) {
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unsigned long mbedtls_timing_hardclock( void )
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{
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unsigned long cc;
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asm volatile("rpcc %0" : "=r"(cc));
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return (cc & 0xFFFFFFFF);
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asm volatile( "rpcc %0" : "=r" (cc) );
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return( cc & 0xFFFFFFFF );
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}
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#endif /* !HAVE_HARDCLOCK && MBEDTLS_HAVE_ASM &&
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__GNUC__ && __alpha__ */
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#define HAVE_HARDCLOCK
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unsigned long mbedtls_timing_hardclock(void) {
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unsigned long mbedtls_timing_hardclock( void )
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{
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unsigned long itc;
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asm volatile("mov %0 = ar.itc" : "=r"(itc));
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return (itc);
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asm volatile( "mov %0 = ar.itc" : "=r" (itc) );
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return( itc );
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}
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#endif /* !HAVE_HARDCLOCK && MBEDTLS_HAVE_ASM &&
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__GNUC__ && __ia64__ */
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#define HAVE_HARDCLOCK
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unsigned long mbedtls_timing_hardclock(void) {
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unsigned long mbedtls_timing_hardclock( void )
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{
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LARGE_INTEGER offset;
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QueryPerformanceCounter(&offset);
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QueryPerformanceCounter( &offset );
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return ((unsigned long)(offset.QuadPart));
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return( (unsigned long)( offset.QuadPart ) );
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}
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#endif /* !HAVE_HARDCLOCK && _MSC_VER && !EFIX64 && !EFI32 */
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static int hardclock_init = 0;
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static struct timeval tv_init;
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unsigned long mbedtls_timing_hardclock(void) {
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unsigned long mbedtls_timing_hardclock( void )
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{
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struct timeval tv_cur;
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if (hardclock_init == 0) {
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#ifdef __MINGW32__
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mingw_gettimeofday(&tv_init, NULL);
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#else
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gettimeofday(&tv_init, NULL);
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#endif
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if( hardclock_init == 0 )
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{
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gettimeofday( &tv_init, NULL );
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hardclock_init = 1;
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}
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#ifdef __MINGW32__
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mingw_gettimeofday(&tv_cur, NULL);
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#else
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gettimeofday(&tv_cur, NULL);
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#endif
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return ((tv_cur.tv_sec - tv_init.tv_sec) * 1000000
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+ (tv_cur.tv_usec - tv_init.tv_usec));
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gettimeofday( &tv_cur, NULL );
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return( ( tv_cur.tv_sec - tv_init.tv_sec ) * 1000000
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+ ( tv_cur.tv_usec - tv_init.tv_usec ) );
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}
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#endif /* !HAVE_HARDCLOCK */
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#if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
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unsigned long mbedtls_timing_get_timer(struct mbedtls_timing_hr_time *val, int reset) {
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unsigned long mbedtls_timing_get_timer( struct mbedtls_timing_hr_time *val, int reset )
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{
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struct _hr_time *t = (struct _hr_time *) val;
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if (reset) {
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QueryPerformanceCounter(&t->start);
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return (0);
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} else {
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if( reset )
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{
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QueryPerformanceCounter( &t->start );
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return( 0 );
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}
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else
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{
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unsigned long delta;
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LARGE_INTEGER now, hfreq;
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QueryPerformanceCounter(&now);
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QueryPerformanceFrequency(&hfreq);
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delta = (unsigned long)((now.QuadPart - t->start.QuadPart) * 1000ul
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/ hfreq.QuadPart);
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return (delta);
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QueryPerformanceCounter( &now );
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QueryPerformanceFrequency( &hfreq );
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delta = (unsigned long)( ( now.QuadPart - t->start.QuadPart ) * 1000ul
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/ hfreq.QuadPart );
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return( delta );
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}
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}
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/* It's OK to use a global because alarm() is supposed to be global anyway */
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static DWORD alarmMs;
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static DWORD WINAPI TimerProc(LPVOID TimerContext) {
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((void) TimerContext);
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Sleep(alarmMs);
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static void TimerProc( void *TimerContext )
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{
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(void) TimerContext;
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Sleep( alarmMs );
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mbedtls_timing_alarmed = 1;
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return (TRUE);
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/* _endthread will be called implicitly on return
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* That ensures execution of thread funcition's epilogue */
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}
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void mbedtls_set_alarm(int seconds) {
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DWORD ThreadId;
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if (seconds == 0) {
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void mbedtls_set_alarm( int seconds )
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{
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if( seconds == 0 )
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{
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/* No need to create a thread for this simple case.
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* Also, this shorcut is more reliable at least on MinGW32 */
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mbedtls_timing_alarmed = 1;
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mbedtls_timing_alarmed = 0;
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alarmMs = seconds * 1000;
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CloseHandle(CreateThread(NULL, 0, TimerProc, NULL, 0, &ThreadId));
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(void) _beginthread( TimerProc, 0, NULL );
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}
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#else /* _WIN32 && !EFIX64 && !EFI32 */
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unsigned long mbedtls_timing_get_timer(struct mbedtls_timing_hr_time *val, int reset) {
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unsigned long mbedtls_timing_get_timer( struct mbedtls_timing_hr_time *val, int reset )
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{
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struct _hr_time *t = (struct _hr_time *) val;
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if (reset) {
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gettimeofday(&t->start, NULL);
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return (0);
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} else {
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if( reset )
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{
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gettimeofday( &t->start, NULL );
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return( 0 );
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}
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else
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{
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unsigned long delta;
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struct timeval now;
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gettimeofday(&now, NULL);
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delta = (now.tv_sec - t->start.tv_sec) * 1000ul
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+ (now.tv_usec - t->start.tv_usec) / 1000;
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return (delta);
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gettimeofday( &now, NULL );
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delta = ( now.tv_sec - t->start.tv_sec ) * 1000ul
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+ ( now.tv_usec - t->start.tv_usec ) / 1000;
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return( delta );
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}
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}
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static void sighandler(int signum) {
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static void sighandler( int signum )
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{
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mbedtls_timing_alarmed = 1;
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signal(signum, sighandler);
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signal( signum, sighandler );
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}
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void mbedtls_set_alarm(int seconds) {
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void mbedtls_set_alarm( int seconds )
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{
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mbedtls_timing_alarmed = 0;
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signal(SIGALRM, sighandler);
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alarm(seconds);
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if (seconds == 0) {
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signal( SIGALRM, sighandler );
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alarm( seconds );
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if( seconds == 0 )
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{
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/* alarm(0) cancelled any previous pending alarm, but the
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handler won't fire, so raise the flag straight away. */
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mbedtls_timing_alarmed = 1;
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@ -319,35 +331,37 @@ void mbedtls_set_alarm(int seconds) {
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/*
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* Set delays to watch
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*/
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void mbedtls_timing_set_delay(void *data, uint32_t int_ms, uint32_t fin_ms) {
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void mbedtls_timing_set_delay( void *data, uint32_t int_ms, uint32_t fin_ms )
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{
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mbedtls_timing_delay_context *ctx = (mbedtls_timing_delay_context *) data;
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ctx->int_ms = int_ms;
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ctx->fin_ms = fin_ms;
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if (fin_ms != 0)
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(void) mbedtls_timing_get_timer(&ctx->timer, 1);
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if( fin_ms != 0 )
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(void) mbedtls_timing_get_timer( &ctx->timer, 1 );
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}
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/*
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* Get number of delays expired
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*/
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int mbedtls_timing_get_delay(void *data) {
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int mbedtls_timing_get_delay( void *data )
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{
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mbedtls_timing_delay_context *ctx = (mbedtls_timing_delay_context *) data;
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unsigned long elapsed_ms;
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if (ctx->fin_ms == 0)
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return (-1);
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if( ctx->fin_ms == 0 )
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return( -1 );
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elapsed_ms = mbedtls_timing_get_timer(&ctx->timer, 0);
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elapsed_ms = mbedtls_timing_get_timer( &ctx->timer, 0 );
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if (elapsed_ms >= ctx->fin_ms)
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return (2);
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if( elapsed_ms >= ctx->fin_ms )
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return( 2 );
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if (elapsed_ms >= ctx->int_ms)
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return (1);
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if( elapsed_ms >= ctx->int_ms )
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return( 1 );
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return (0);
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return( 0 );
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}
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#endif /* !MBEDTLS_TIMING_ALT */
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|
@ -358,14 +372,15 @@ int mbedtls_timing_get_delay(void *data) {
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* Busy-waits for the given number of milliseconds.
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* Used for testing mbedtls_timing_hardclock.
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*/
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static void busy_msleep(unsigned long msec) {
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static void busy_msleep( unsigned long msec )
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{
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struct mbedtls_timing_hr_time hires;
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unsigned long i = 0; /* for busy-waiting */
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volatile unsigned long j; /* to prevent optimisation */
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(void) mbedtls_timing_get_timer(&hires, 1);
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(void) mbedtls_timing_get_timer( &hires, 1 );
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while (mbedtls_timing_get_timer(&hires, 0) < msec)
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while( mbedtls_timing_get_timer( &hires, 0 ) < msec )
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i++;
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j = i;
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||||
|
@ -394,7 +409,8 @@ static void busy_msleep(unsigned long msec) {
|
|||
* Warning: this is work in progress, some tests may not be reliable enough
|
||||
* yet! False positives may happen.
|
||||
*/
|
||||
int mbedtls_timing_self_test(int verbose) {
|
||||
int mbedtls_timing_self_test( int verbose )
|
||||
{
|
||||
unsigned long cycles = 0, ratio = 0;
|
||||
unsigned long millisecs = 0, secs = 0;
|
||||
int hardfail = 0;
|
||||
|
@ -402,63 +418,63 @@ int mbedtls_timing_self_test(int verbose) {
|
|||
uint32_t a = 0, b = 0;
|
||||
mbedtls_timing_delay_context ctx;
|
||||
|
||||
if (verbose != 0)
|
||||
mbedtls_printf(" TIMING tests note: will take some time!\n");
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( " TIMING tests note: will take some time!\n" );
|
||||
|
||||
if (verbose != 0)
|
||||
mbedtls_printf(" TIMING test #1 (set_alarm / get_timer): ");
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( " TIMING test #1 (set_alarm / get_timer): " );
|
||||
|
||||
{
|
||||
secs = 1;
|
||||
|
||||
(void) mbedtls_timing_get_timer(&hires, 1);
|
||||
(void) mbedtls_timing_get_timer( &hires, 1 );
|
||||
|
||||
mbedtls_set_alarm((int) secs);
|
||||
while (!mbedtls_timing_alarmed)
|
||||
mbedtls_set_alarm( (int) secs );
|
||||
while( !mbedtls_timing_alarmed )
|
||||
;
|
||||
|
||||
millisecs = mbedtls_timing_get_timer(&hires, 0);
|
||||
millisecs = mbedtls_timing_get_timer( &hires, 0 );
|
||||
|
||||
/* For some reason on Windows it looks like alarm has an extra delay
|
||||
* (maybe related to creating a new thread). Allow some room here. */
|
||||
if (millisecs < 800 * secs || millisecs > 1200 * secs + 300)
|
||||
if( millisecs < 800 * secs || millisecs > 1200 * secs + 300 )
|
||||
FAIL;
|
||||
}
|
||||
|
||||
if (verbose != 0)
|
||||
mbedtls_printf("passed\n");
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "passed\n" );
|
||||
|
||||
if (verbose != 0)
|
||||
mbedtls_printf(" TIMING test #2 (set/get_delay ): ");
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( " TIMING test #2 (set/get_delay ): " );
|
||||
|
||||
{
|
||||
a = 800;
|
||||
b = 400;
|
||||
mbedtls_timing_set_delay(&ctx, a, a + b); /* T = 0 */
|
||||
mbedtls_timing_set_delay( &ctx, a, a + b ); /* T = 0 */
|
||||
|
||||
busy_msleep(a - a / 4); /* T = a - a/4 */
|
||||
if (mbedtls_timing_get_delay(&ctx) != 0)
|
||||
busy_msleep( a - a / 4 ); /* T = a - a/4 */
|
||||
if( mbedtls_timing_get_delay( &ctx ) != 0 )
|
||||
FAIL;
|
||||
|
||||
busy_msleep(a / 4 + b / 4); /* T = a + b/4 */
|
||||
if (mbedtls_timing_get_delay(&ctx) != 1)
|
||||
busy_msleep( a / 4 + b / 4 ); /* T = a + b/4 */
|
||||
if( mbedtls_timing_get_delay( &ctx ) != 1 )
|
||||
FAIL;
|
||||
|
||||
busy_msleep(b); /* T = a + b + b/4 */
|
||||
if (mbedtls_timing_get_delay(&ctx) != 2)
|
||||
busy_msleep( b ); /* T = a + b + b/4 */
|
||||
if( mbedtls_timing_get_delay( &ctx ) != 2 )
|
||||
FAIL;
|
||||
}
|
||||
|
||||
mbedtls_timing_set_delay(&ctx, 0, 0);
|
||||
busy_msleep(200);
|
||||
if (mbedtls_timing_get_delay(&ctx) != -1)
|
||||
mbedtls_timing_set_delay( &ctx, 0, 0 );
|
||||
busy_msleep( 200 );
|
||||
if( mbedtls_timing_get_delay( &ctx ) != -1 )
|
||||
FAIL;
|
||||
|
||||
if (verbose != 0)
|
||||
mbedtls_printf("passed\n");
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "passed\n" );
|
||||
|
||||
if (verbose != 0)
|
||||
mbedtls_printf(" TIMING test #3 (hardclock / get_timer): ");
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( " TIMING test #3 (hardclock / get_timer): " );
|
||||
|
||||
/*
|
||||
* Allow one failure for possible counter wrapping.
|
||||
|
@ -467,9 +483,10 @@ int mbedtls_timing_self_test(int verbose) {
|
|||
*/
|
||||
|
||||
hard_test:
|
||||
if (hardfail > 1) {
|
||||
if (verbose != 0)
|
||||
mbedtls_printf("failed (ignored)\n");
|
||||
if( hardfail > 1 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "failed (ignored)\n" );
|
||||
|
||||
goto hard_test_done;
|
||||
}
|
||||
|
@ -477,33 +494,35 @@ hard_test:
|
|||
/* Get a reference ratio cycles/ms */
|
||||
millisecs = 1;
|
||||
cycles = mbedtls_timing_hardclock();
|
||||
busy_msleep(millisecs);
|
||||
busy_msleep( millisecs );
|
||||
cycles = mbedtls_timing_hardclock() - cycles;
|
||||
ratio = cycles / millisecs;
|
||||
|
||||
/* Check that the ratio is mostly constant */
|
||||
for (millisecs = 2; millisecs <= 4; millisecs++) {
|
||||
for( millisecs = 2; millisecs <= 4; millisecs++ )
|
||||
{
|
||||
cycles = mbedtls_timing_hardclock();
|
||||
busy_msleep(millisecs);
|
||||
busy_msleep( millisecs );
|
||||
cycles = mbedtls_timing_hardclock() - cycles;
|
||||
|
||||
/* Allow variation up to 20% */
|
||||
if (cycles / millisecs < ratio - ratio / 5 ||
|
||||
cycles / millisecs > ratio + ratio / 5) {
|
||||
if( cycles / millisecs < ratio - ratio / 5 ||
|
||||
cycles / millisecs > ratio + ratio / 5 )
|
||||
{
|
||||
hardfail++;
|
||||
goto hard_test;
|
||||
}
|
||||
}
|
||||
|
||||
if (verbose != 0)
|
||||
mbedtls_printf("passed\n");
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "passed\n" );
|
||||
|
||||
hard_test_done:
|
||||
|
||||
if (verbose != 0)
|
||||
mbedtls_printf("\n");
|
||||
if( verbose != 0 )
|
||||
mbedtls_printf( "\n" );
|
||||
|
||||
return (0);
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#endif /* MBEDTLS_SELF_TEST */
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue