diff options
Diffstat (limited to 'qemu/roms/ipxe/src/tests/cipher_test.c')
-rw-r--r-- | qemu/roms/ipxe/src/tests/cipher_test.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/qemu/roms/ipxe/src/tests/cipher_test.c b/qemu/roms/ipxe/src/tests/cipher_test.c deleted file mode 100644 index 800d6c138..000000000 --- a/qemu/roms/ipxe/src/tests/cipher_test.c +++ /dev/null @@ -1,185 +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 - * - * Cipher 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 <ipxe/test.h> -#include "cipher_test.h" - -/** Number of sample iterations for profiling */ -#define PROFILE_COUNT 16 - -/** - * Report a cipher encryption test result - * - * @v test Cipher test - * @v file Test code file - * @v line Test code line - */ -void cipher_encrypt_okx ( struct cipher_test *test, const char *file, - unsigned int line ) { - struct cipher_algorithm *cipher = test->cipher; - size_t len = test->len; - uint8_t ctx[cipher->ctxsize]; - uint8_t ciphertext[len]; - - /* Initialise cipher */ - okx ( cipher_setkey ( cipher, ctx, test->key, test->key_len ) == 0, - file, line ); - cipher_setiv ( cipher, ctx, test->iv ); - - /* Perform encryption */ - cipher_encrypt ( cipher, ctx, test->plaintext, ciphertext, len ); - - /* Compare against expected ciphertext */ - okx ( memcmp ( ciphertext, test->ciphertext, len ) == 0, file, line ); -} - -/** - * Report a cipher decryption test result - * - * @v test Cipher test - * @v file Test code file - * @v line Test code line - */ -void cipher_decrypt_okx ( struct cipher_test *test, const char *file, - unsigned int line ) { - struct cipher_algorithm *cipher = test->cipher; - size_t len = test->len; - uint8_t ctx[cipher->ctxsize]; - uint8_t plaintext[len]; - - /* Initialise cipher */ - okx ( cipher_setkey ( cipher, ctx, test->key, test->key_len ) == 0, - file, line ); - cipher_setiv ( cipher, ctx, test->iv ); - - /* Perform encryption */ - cipher_decrypt ( cipher, ctx, test->ciphertext, plaintext, len ); - - /* Compare against expected plaintext */ - okx ( memcmp ( plaintext, test->plaintext, len ) == 0, file, line ); -} - -/** - * Report a cipher encryption and decryption test result - * - * @v test Cipher test - * @v file Test code file - * @v line Test code line - */ -void cipher_okx ( struct cipher_test *test, const char *file, - unsigned int line ) { - - cipher_encrypt_okx ( test, file, line ); - cipher_decrypt_okx ( test, file, line ); -} - -/** - * Calculate cipher 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 -cipher_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 cipher encryption cost - * - * @v cipher Cipher algorithm - * @v key_len Length of key - * @ret cost Cost (in cycles per byte) - */ -unsigned long cipher_cost_encrypt ( struct cipher_algorithm *cipher, - size_t key_len ) { - return cipher_cost ( cipher, key_len, cipher_encrypt ); -} - -/** - * Calculate cipher decryption cost - * - * @v cipher Cipher algorithm - * @v key_len Length of key - * @ret cost Cost (in cycles per byte) - */ -unsigned long cipher_cost_decrypt ( struct cipher_algorithm *cipher, - size_t key_len ) { - return cipher_cost ( cipher, key_len, cipher_decrypt ); -} |