diff options
Diffstat (limited to 'qemu/roms/ipxe/src/tests/digest_test.c')
-rw-r--r-- | qemu/roms/ipxe/src/tests/digest_test.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/qemu/roms/ipxe/src/tests/digest_test.c b/qemu/roms/ipxe/src/tests/digest_test.c deleted file mode 100644 index c3a128853..000000000 --- a/qemu/roms/ipxe/src/tests/digest_test.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * You can also choose to distribute this program under the terms of - * the Unmodified Binary Distribution Licence (as given in the file - * COPYING.UBDL), provided that you have satisfied its requirements. - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -/** @file - * - * Digest self-tests - * - */ - -/* Forcibly enable assertions */ -#undef NDEBUG - -#include <stdlib.h> -#include <string.h> -#include <ipxe/crypto.h> -#include <ipxe/profile.h> -#include "digest_test.h" - -/** Maximum number of digest test fragments */ -#define NUM_DIGEST_TEST_FRAG 8 - -/** A digest test fragment list */ -struct digest_test_fragments { - /** Fragment lengths */ - size_t len[NUM_DIGEST_TEST_FRAG]; -}; - -/** Digest test fragment lists */ -static struct digest_test_fragments digest_test_fragments[] = { - { { 0, -1UL, } }, - { { 1, 1, 1, 1, 1, 1, 1, 1 } }, - { { 2, 0, 23, 4, 6, 1, 0 } }, -}; - -/** Number of sample iterations for profiling */ -#define PROFILE_COUNT 16 - -/** - * Report a digest fragmented test result - * - * @v test Digest test - * @v fragments Fragment list - * @v file Test code file - * @v line Test code line - */ -void digest_frag_okx ( struct digest_test *test, - struct digest_test_fragments *fragments, - const char *file, unsigned int line ) { - struct digest_algorithm *digest = test->digest; - uint8_t ctx[digest->ctxsize]; - uint8_t out[digest->digestsize]; - const void *data = test->data; - size_t len = test->len; - size_t frag_len = 0; - unsigned int i; - - /* Sanity check */ - okx ( test->expected_len == sizeof ( out ), file, line ); - - /* Initialise digest */ - digest_init ( digest, ctx ); - - /* Update digest fragment-by-fragment */ - for ( i = 0 ; len && ( i < ( sizeof ( fragments->len ) / - sizeof ( fragments->len[0] ) ) ) ; i++ ) { - if ( fragments ) - frag_len = fragments->len[i]; - if ( ( frag_len == 0 ) || ( frag_len < len ) ) - frag_len = len; - digest_update ( digest, ctx, data, frag_len ); - data += frag_len; - len -= frag_len; - } - - /* Finalise digest */ - digest_final ( digest, ctx, out ); - - /* Compare against expected output */ - okx ( memcmp ( test->expected, out, sizeof ( out ) ) == 0, file, line ); -} - -/** - * Report a digest test result - * - * @v test Digest test - * @v file Test code file - * @v line Test code line - */ -void digest_okx ( struct digest_test *test, const char *file, - unsigned int line ) { - unsigned int i; - - /* Test with a single pass */ - digest_frag_okx ( test, NULL, file, line ); - - /* Test with fragment lists */ - for ( i = 0 ; i < ( sizeof ( digest_test_fragments ) / - sizeof ( digest_test_fragments[0] ) ) ; i++ ) { - digest_frag_okx ( test, &digest_test_fragments[i], file, line ); - } -} - -/** - * Calculate digest algorithm cost - * - * @v digest Digest algorithm - * @ret cost Cost (in cycles per byte) - */ -unsigned long digest_cost ( struct digest_algorithm *digest ) { - static uint8_t random[8192]; /* Too large for stack */ - uint8_t ctx[digest->ctxsize]; - uint8_t out[digest->digestsize]; - struct profiler profiler; - unsigned long cost; - unsigned int i; - - /* Fill buffer with pseudo-random data */ - srand ( 0x1234568 ); - for ( i = 0 ; i < sizeof ( random ) ; i++ ) - random[i] = rand(); - - /* Profile digest calculation */ - memset ( &profiler, 0, sizeof ( profiler ) ); - for ( i = 0 ; i < PROFILE_COUNT ; i++ ) { - profile_start ( &profiler ); - digest_init ( digest, ctx ); - digest_update ( digest, ctx, random, sizeof ( random ) ); - digest_final ( digest, ctx, out ); - profile_stop ( &profiler ); - } - - /* Round to nearest whole number of cycles per byte */ - cost = ( ( profile_mean ( &profiler ) + ( sizeof ( random ) / 2 ) ) / - sizeof ( random ) ); - - return cost; -} |