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mbedtls: Update to upstream version 2.28.3
Rediff patch from PR 1453, lstrlenW is no longer used upstream so
that part of the patch was dropped.
(cherry picked from commit 1fde2092d0)
This commit is contained in:
324
thirdparty/mbedtls/library/timing.c
vendored
324
thirdparty/mbedtls/library/timing.c
vendored
@@ -33,17 +33,18 @@
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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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/* *INDENT-OFF* */
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#ifndef asm
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#define asm __asm
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#endif
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/* *INDENT-ON* */
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#if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
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#include <windows.h>
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#include <process.h>
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struct _hr_time
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{
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struct _hr_time {
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LARGE_INTEGER start;
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};
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@@ -56,75 +57,72 @@ struct _hr_time
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* platform matches the ifdefs above, it will be used. */
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#include <time.h>
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#include <sys/time.h>
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struct _hr_time
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{
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struct _hr_time {
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struct timeval start;
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};
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#endif /* _WIN32 && !EFIX64 && !EFI32 */
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#if !defined(HAVE_HARDCLOCK) && defined(MBEDTLS_HAVE_ASM) && \
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( defined(_MSC_VER) && defined(_M_IX86) ) || defined(__WATCOMC__)
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(defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
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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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__asm mov[tsc], eax
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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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/* some versions of mingw-64 have 32-bit longs even on x84_64 */
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#if !defined(HAVE_HARDCLOCK) && defined(MBEDTLS_HAVE_ASM) && \
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defined(__GNUC__) && ( defined(__i386__) || ( \
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( defined(__amd64__) || defined( __x86_64__) ) && __SIZEOF_LONG__ == 4 ) )
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defined(__GNUC__) && (defined(__i386__) || ( \
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(defined(__amd64__) || defined(__x86_64__)) && __SIZEOF_LONG__ == 4))
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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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#if !defined(HAVE_HARDCLOCK) && defined(MBEDTLS_HAVE_ASM) && \
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defined(__GNUC__) && ( defined(__amd64__) || defined(__x86_64__) )
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defined(__GNUC__) && (defined(__amd64__) || defined(__x86_64__))
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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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#if !defined(HAVE_HARDCLOCK) && defined(MBEDTLS_HAVE_ASM) && \
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defined(__GNUC__) && ( defined(__powerpc__) || defined(__ppc__) )
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defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
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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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{
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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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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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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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@@ -137,11 +135,11 @@ unsigned long mbedtls_timing_hardclock( void )
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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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@@ -152,12 +150,12 @@ 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 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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@@ -167,11 +165,11 @@ 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 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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@@ -181,11 +179,11 @@ 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 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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@@ -195,13 +193,13 @@ 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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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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@@ -212,19 +210,18 @@ unsigned long mbedtls_timing_hardclock( void )
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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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{
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gettimeofday( &tv_init, NULL );
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if (hardclock_init == 0) {
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gettimeofday(&tv_init, NULL);
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hardclock_init = 1;
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}
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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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gettimeofday(&tv_cur, NULL);
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return (tv_cur.tv_sec - tv_init.tv_sec) * 1000000U
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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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@@ -232,43 +229,39 @@ volatile int mbedtls_timing_alarmed = 0;
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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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{
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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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if (reset) {
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QueryPerformanceCounter(&t->start);
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return 0;
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} else {
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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 void TimerProc( void *TimerContext )
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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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Sleep(alarmMs);
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mbedtls_timing_alarmed = 1;
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/* _endthread will be called implicitly on return
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* That ensures execution of thread function's epilogue */
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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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if( seconds == 0 )
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{
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if (seconds == 0) {
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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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@@ -277,44 +270,40 @@ void mbedtls_set_alarm( int seconds )
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mbedtls_timing_alarmed = 0;
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alarmMs = seconds * 1000;
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(void) _beginthread( TimerProc, 0, NULL );
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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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{
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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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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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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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{
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signal(SIGALRM, sighandler);
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alarm(seconds);
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if (seconds == 0) {
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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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@@ -326,56 +315,61 @@ 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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/*
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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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}
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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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}
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||||
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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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}
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return( 0 );
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return 0;
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}
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||||
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#endif /* !MBEDTLS_TIMING_ALT */
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#if defined(MBEDTLS_SELF_TEST)
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/*
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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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*/
|
||||
static void busy_msleep( unsigned long msec )
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static void busy_msleep(unsigned long msec)
|
||||
{
|
||||
struct mbedtls_timing_hr_time hires;
|
||||
unsigned long i = 0; /* for busy-waiting */
|
||||
volatile unsigned long j; /* to prevent optimisation */
|
||||
|
||||
(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 )
|
||||
while (mbedtls_timing_get_timer(&hires, 0) < msec) {
|
||||
i++;
|
||||
}
|
||||
|
||||
j = i;
|
||||
(void) j;
|
||||
@@ -383,19 +377,18 @@ static void busy_msleep( unsigned long msec )
|
||||
|
||||
#define FAIL do \
|
||||
{ \
|
||||
if( verbose != 0 ) \
|
||||
if (verbose != 0) \
|
||||
{ \
|
||||
mbedtls_printf( "failed at line %d\n", __LINE__ ); \
|
||||
mbedtls_printf( " cycles=%lu ratio=%lu millisecs=%lu secs=%lu hardfail=%d a=%lu b=%lu\n", \
|
||||
cycles, ratio, millisecs, secs, hardfail, \
|
||||
(unsigned long) a, (unsigned long) b ); \
|
||||
mbedtls_printf( " elapsed(hires)=%lu elapsed(ctx)=%lu status(ctx)=%d\n", \
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||||
mbedtls_timing_get_timer( &hires, 0 ), \
|
||||
mbedtls_timing_get_timer( &ctx.timer, 0 ), \
|
||||
mbedtls_timing_get_delay( &ctx ) ); \
|
||||
mbedtls_printf("failed at line %d\n", __LINE__); \
|
||||
mbedtls_printf(" cycles=%lu ratio=%lu millisecs=%lu secs=%lu hardfail=%d a=%lu b=%lu\n", \
|
||||
cycles, ratio, millisecs, secs, hardfail, \
|
||||
(unsigned long) a, (unsigned long) b); \
|
||||
mbedtls_printf(" elapsed(hires)=%lu status(ctx)=%d\n", \
|
||||
mbedtls_timing_get_timer(&hires, 0), \
|
||||
mbedtls_timing_get_delay(&ctx)); \
|
||||
} \
|
||||
return( 1 ); \
|
||||
} while( 0 )
|
||||
return 1; \
|
||||
} while (0)
|
||||
|
||||
/*
|
||||
* Checkup routine
|
||||
@@ -403,7 +396,7 @@ 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;
|
||||
@@ -412,63 +405,75 @@ 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.
|
||||
@@ -477,10 +482,10 @@ 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;
|
||||
}
|
||||
@@ -488,37 +493,36 @@ 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 */
|
||||
#endif /* !MBEDTLS_TIMING_ALT */
|
||||
#endif /* MBEDTLS_TIMING_C */
|
||||
|
||||
Reference in New Issue
Block a user