diff options
author | José Pekkarinen <jose.pekkarinen@nokia.com> | 2016-05-18 13:18:31 +0300 |
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committer | José Pekkarinen <jose.pekkarinen@nokia.com> | 2016-05-18 13:42:15 +0300 |
commit | 437fd90c0250dee670290f9b714253671a990160 (patch) | |
tree | b871786c360704244a07411c69fb58da9ead4a06 /qemu/roms/ipxe/src/tests/cbc_test.c | |
parent | 5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (diff) |
These changes are the raw update to qemu-2.6.
Collission happened in the following patches:
migration: do cleanup operation after completion(738df5b9)
Bug fix.(1750c932f86)
kvmclock: add a new function to update env->tsc.(b52baab2)
The code provided by the patches was already in the upstreamed
version.
Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'qemu/roms/ipxe/src/tests/cbc_test.c')
-rw-r--r-- | qemu/roms/ipxe/src/tests/cbc_test.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/qemu/roms/ipxe/src/tests/cbc_test.c b/qemu/roms/ipxe/src/tests/cbc_test.c deleted file mode 100644 index cb0f7bdea..000000000 --- a/qemu/roms/ipxe/src/tests/cbc_test.c +++ /dev/null @@ -1,177 +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. - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -/** @file - * - * CBC self-tests - * - */ - -/* Forcibly enable assertions */ -#undef NDEBUG - -#include <stdint.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <ipxe/crypto.h> -#include <ipxe/profile.h> -#include "cbc_test.h" - -/** Number of sample iterations for profiling */ -#define PROFILE_COUNT 16 - -/** - * Test CBC encryption - * - * @v cipher Cipher algorithm - * @v key Key - * @v key_len Length of key - * @v iv Initialisation vector - * @v plaintext Plaintext data - * @v expected_ciphertext Expected ciphertext data - * @v len Length of data - * @ret ok Ciphertext is as expected - */ -int cbc_test_encrypt ( struct cipher_algorithm *cipher, const void *key, - size_t key_len, const void *iv, const void *plaintext, - const void *expected_ciphertext, size_t len ) { - uint8_t ctx[cipher->ctxsize]; - uint8_t ciphertext[len]; - int rc; - - /* Initialise cipher */ - rc = cipher_setkey ( cipher, ctx, key, key_len ); - assert ( rc == 0 ); - cipher_setiv ( cipher, ctx, iv ); - - /* Perform encryption */ - cipher_encrypt ( cipher, ctx, plaintext, ciphertext, len ); - - /* Verify result */ - return ( memcmp ( ciphertext, expected_ciphertext, len ) == 0 ); -} - -/** - * Test CBC decryption - * - * @v cipher Cipher algorithm - * @v key Key - * @v key_len Length of key - * @v iv Initialisation vector - * @v ciphertext Ciphertext data - * @v expected_plaintext Expected plaintext data - * @v len Length of data - * @ret ok Plaintext is as expected - */ -int cbc_test_decrypt ( struct cipher_algorithm *cipher, const void *key, - size_t key_len, const void *iv, const void *ciphertext, - const void *expected_plaintext, size_t len ) { - uint8_t ctx[cipher->ctxsize]; - uint8_t plaintext[len]; - int rc; - - /* Initialise cipher */ - rc = cipher_setkey ( cipher, ctx, key, key_len ); - assert ( rc == 0 ); - cipher_setiv ( cipher, ctx, iv ); - - /* Perform encryption */ - cipher_decrypt ( cipher, ctx, ciphertext, plaintext, len ); - - /* Verify result */ - return ( memcmp ( plaintext, expected_plaintext, len ) == 0 ); -} - -/** - * Calculate CBC encryption or decryption cost - * - * @v cipher Cipher algorithm - * @v key_len Length of key - * @v op Encryption or decryption operation - * @ret cost Cost (in cycles per byte) - */ -static unsigned long cbc_cost ( struct cipher_algorithm *cipher, - size_t key_len, - void ( * op ) ( struct cipher_algorithm *cipher, - void *ctx, const void *src, - void *dst, size_t len ) ) { - static uint8_t random[8192]; /* Too large for stack */ - uint8_t key[key_len]; - uint8_t iv[cipher->blocksize]; - uint8_t ctx[cipher->ctxsize]; - struct profiler profiler; - unsigned long cost; - unsigned int i; - int rc; - - /* Fill buffer with pseudo-random data */ - srand ( 0x1234568 ); - for ( i = 0 ; i < sizeof ( random ) ; i++ ) - random[i] = rand(); - for ( i = 0 ; i < sizeof ( key ) ; i++ ) - key[i] = rand(); - for ( i = 0 ; i < sizeof ( iv ) ; i++ ) - iv[i] = rand(); - - /* Initialise cipher */ - rc = cipher_setkey ( cipher, ctx, key, key_len ); - assert ( rc == 0 ); - cipher_setiv ( cipher, ctx, iv ); - - /* Profile cipher operation */ - memset ( &profiler, 0, sizeof ( profiler ) ); - for ( i = 0 ; i < PROFILE_COUNT ; i++ ) { - profile_start ( &profiler ); - op ( cipher, ctx, random, random, sizeof ( random ) ); - profile_stop ( &profiler ); - } - - /* Round to nearest whole number of cycles per byte */ - cost = ( ( profile_mean ( &profiler ) + ( sizeof ( random ) / 2 ) ) / - sizeof ( random ) ); - - return cost; -} - -/** - * Calculate CBC encryption cost - * - * @v cipher Cipher algorithm - * @v key_len Length of key - * @ret cost Cost (in cycles per byte) - */ -unsigned long cbc_cost_encrypt ( struct cipher_algorithm *cipher, - size_t key_len ) { - return cbc_cost ( cipher, key_len, cipher_encrypt ); -} - -/** - * Calculate CBC decryption cost - * - * @v cipher Cipher algorithm - * @v key_len Length of key - * @ret cost Cost (in cycles per byte) - */ -unsigned long cbc_cost_decrypt ( struct cipher_algorithm *cipher, - size_t key_len ) { - return cbc_cost ( cipher, key_len, cipher_decrypt ); -} |