+/* sha256.c */
+/*
+ This file is part of the AVR-Crypto-Lib.
+ Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
+
+ 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 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
/**
* \file sha256.c
* \author Daniel Otte
memcpy (&(lb[0]), block, length/8);
/* set the final one bit */
- if (length & 0x3){ // if we have single bits at the end
+ if (length & 0x7){ // if we have single bits at the end
lb[length/8] = ((uint8_t*)(block))[length/8];
} else {
lb[length/8] = 0;
}
- lb[length/8] |= 0x80>>(length & 0x3);
+ lb[length/8] |= 0x80>>(length & 0x7);
length =(length >> 3) + 1; /* from now on length contains the number of BYTES in lb*/
/* pad with zeros */
if (length>64-8){ /* not enouth space for 64bit length value */