diff options
Diffstat (limited to 'openbsc/src/libcommon/utils.c')
-rw-r--r-- | openbsc/src/libcommon/utils.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/openbsc/src/libcommon/utils.c b/openbsc/src/libcommon/utils.c deleted file mode 100644 index c47dcaee2..000000000 --- a/openbsc/src/libcommon/utils.c +++ /dev/null @@ -1,58 +0,0 @@ -/* OpenBSC kitchen sink */ - -/* (C) 2015 by sysmocom s.m.f.c GmbH <info@sysmocom.de> - * All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) 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 Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - */ - -#include <openbsc/utils.h> -#include <osmocom/core/utils.h> -#include <osmocom/core/bit64gen.h> - -/* Wishful thinking to generate a constant time compare */ -int constant_time_cmp(const uint8_t *exp, const uint8_t *rel, const int count) -{ - int x = 0, i; - - for (i = 0; i < count; ++i) - x |= exp[i] ^ rel[i]; - - /* if x is zero, all data was identical */ - return x? 1 : 0; -} - - -uint64_t decode_big_endian(const uint8_t *data, size_t data_len) -{ - uint64_t value = 0; - - while (data_len > 0) { - value = (value << 8) + *data; - data += 1; - data_len -= 1; - } - - return value; -} - -uint8_t *encode_big_endian(uint64_t value, size_t data_len) -{ - static uint8_t buf[sizeof(uint64_t)]; - OSMO_ASSERT(data_len <= ARRAY_SIZE(buf)); - osmo_store64be_ext(value, buf, data_len); - return buf; -} - |