/* arcfour.h */
/*
- This file is part of the AVR-Crypto-Lib.
- Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
+ This file is part of the AVR-Crypto-Lib.
+ Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
- 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 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.
+ 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/>.
-*/
+ 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: arcfour.h
* Author: Daniel Otte
* http://www.mozilla.org/projects/security/pki/nss/draft-kaukonen-cipher-arcfour-03.txt
*/
-
#ifndef ARCFOUR_H_
#define ARCFOUR_H_
* The struct holds the two indices and the S-Box
*/
typedef struct arcfour_ctx_st {
- uint8_t i,j;
- uint8_t s[256];
+ uint8_t i, j;
+ uint8_t s[256];
} arcfour_ctx_t;
-
/** \fn void arcfour_init(const void *key, uint8_t length_B, arcfour_ctx_t *ctx)
* \brief setup a context with a key
*
* the supplied key of the given length.
* \param ctx pointer to the context
* \param key pointer to the key
- * \param length_B length of the key in bytes (between 1 and 255)
+ * \param length_b length of the key in bits (between 8 and 2048)
*/
-void arcfour_init(const void *key, uint8_t length_B, arcfour_ctx_t *ctx);
+void arcfour_init(const void *key, uint16_t length_b, arcfour_ctx_t *ctx);
/** \fn uint8_t arcfour_gen(arcfour_ctx_t *ctx)
* \brief generates a byte of keystream