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author | Mateusz Zalega <mateusz@appliedsourcery.com> | 2015-10-22 23:07:23 +0200 |
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committer | Mateusz Zalega <mateusz@appliedsourcery.com> | 2015-10-26 20:49:55 +0100 |
commit | 9b8ebc6ed1a1fdc15c404774bf102c883a34d990 (patch) | |
tree | fce9205359704dcce84a1f770878901fbc9c2b3e /crc32.cc | |
parent | c4aec144256e3f27fedd8f8de03e10cc08eecab8 (diff) | |
download | libnitrokey-9b8ebc6ed1a1fdc15c404774bf102c883a34d990.tar.gz libnitrokey-9b8ebc6ed1a1fdc15c404774bf102c883a34d990.tar.bz2 |
Minor fixes, working version
Diffstat (limited to 'crc32.cc')
-rw-r--r-- | crc32.cc | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/crc32.cc b/crc32.cc deleted file mode 100644 index 558d4ef..0000000 --- a/crc32.cc +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Author: Copyright (C) Andrzej Surowiec 2012 - * - * - * This file is part of Nitrokey. - * - * Nitrokey 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 3 of the License, or - * any later version. - * - * Nitrokey 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 Nitrokey. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "crc32.h" - - -uint32_t Crc32 (uint32_t Crc, uint32_t Data) -{ -int i; - - Crc = Crc ^ Data; - - for (i = 0; i < 32; i++) - if (Crc & 0x80000000) - Crc = (Crc << 1) ^ 0x04C11DB7; // Polynomial used in STM32 - else - Crc = (Crc << 1); - - return (Crc); -} |