/* cast5.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 cast5.h
* \author Daniel Otte
#ifndef BOOL
#define BOOL
- #ifndef __BOOL
- #define __BOOL
- #ifndef __BOOL__
- #define __BOOL__
- typedef enum{false=0,true=1} bool;
- #endif
- #endif
+#ifndef __BOOL
+#define __BOOL
+#ifndef __BOOL__
+#define __BOOL__
+typedef enum {
+ false = 0, true = 1
+} bool;
+#endif
+#endif
#endif
/** \typedef cast5_ctx_t
*
* A variable of this type may hold a keyschedule for the CAST-5 cipher.
* This context is regulary generated by the
- * cast5_init(uint8_t* key, uint8_t keylength_b, cast5_ctx_t* s) function.
+ * cast5_init(uint8_t *key, uint8_t keylength_b, cast5_ctx_t *s) function.
*/
-typedef struct cast5_ctx_st{
- uint32_t mask[16];
- uint8_t rotl[8]; /* 4 bit from every rotation key is stored here */
- uint8_t roth[2]; /* 1 bit from every rotation key is stored here */
- bool shortkey;
+typedef struct cast5_ctx_st {
+ uint32_t mask[16];
+ uint8_t rotl[8]; /* 4 bit from every rotation key is stored here */
+ uint8_t roth[2]; /* 1 bit from every rotation key is stored here */
+ bool shortkey;
} cast5_ctx_t;
-
-/** \fn void cast5_init(const void* key, uint16_t keylength_b, cast5_ctx_t* s);
+/** \fn void cast5_init(const void *key, uint16_t keylength_b, cast5_ctx_t *s);
* \brief generate keyschedule/contex for CAST-5
*
* This function generates the keyschedule from the supplied key for the
* \param keylength_b length of the key in bits (maximum 128 bits)
* \param s pointer to the context
*/
-void cast5_init(const void* key, uint16_t keylength_b, cast5_ctx_t* s);
+void cast5_init(const void *key, uint16_t keylength_b, cast5_ctx_t *s);
-/** \fn void cast5_enc(void* block, const cast5_ctx_t* s);
+/** \fn void cast5_enc(void *block, const cast5_ctx_t *s);
* \brief encrypt a block with the CAST-5 algorithm
*
* This function encrypts a block of 64 bits (8 bytes) with the CAST-5 algorithm.
* It uses a keyschedule as generated by the
- * cast5_init(void* key, uint8_t keylength_b, cast5_ctx_t* s) function.
+ * cast5_init(void *key, uint8_t keylength_b, cast5_ctx_t *s) function.
* \param block pointer to the block which gets encrypted
* \param s pointer to the keyschedule/context
*/
-void cast5_enc(void* block, const cast5_ctx_t* s);
+void cast5_enc(void *block, const cast5_ctx_t *s);
-/** \fn void cast5_dec(void* block, const cast5_ctx_t* s);
+/** \fn void cast5_dec(void *block, const cast5_ctx_t *s);
* \brief decrypt a block with the CAST-5 algorithm
*
* This function decrypts a block of 64 bits (8 bytes) with the CAST-5 algorithm.
* It uses a keyschedule as generated by the
- * cast5_init(void* key, uint8_t keylength_b, cast5_ctx_t* s) function.
+ * cast5_init(void *key, uint8_t keylength_b, cast5_ctx_t *s) function.
* \param block pointer to the block which gets decrypted
* \param s pointer to the keyschedule/context
*/
-void cast5_dec(void* block, const cast5_ctx_t* s);
-
-
+void cast5_dec(void *block, const cast5_ctx_t *s);
#endif