along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
+ * \file threefish.h
* \author Daniel Otte
* \email daniel.otte@rub.de
* \date 2009-03-12
* \license GPLv3 or later
+ * \brief Implementation of the Threefish block cipher
+ * \ingroup Threefish
*/
#ifndef THREEFISH_H_
#define THREEFISH1024_BLOCKSIZE 1024
#define THREEFISH1024_BLOCKSIZE_B ((THREEFISH1024_BLOCKSIZE+7)/8)
-
+/** \typedef threefish256_ctx_t
+ * \brief holds key data for Threefish-256
+ *
+ * A variable of this type may hold the key data for Threefish-256 encryption
+ * or decryption..
+ */
typedef struct{
uint64_t k[5];
uint64_t t[3];
} threefish256_ctx_t;
-
+/** \typedef threefish512_ctx_t
+ * \brief holds key data for Threefish-512
+ *
+ * A variable of this type may hold the key data for Threefish-512 encryption
+ * or decryption..
+ */
typedef struct{
uint64_t k[9];
uint64_t t[3];
} threefish512_ctx_t;
-
+/** \typedef threefish1024_ctx_t
+ * \brief holds key data for Threefish-1024
+ *
+ * A variable of this type may hold the key data for Threefish-1024 encryption
+ * or decryption..
+ */
typedef struct{
uint64_t k[17];
uint64_t t[3];
void threefish_mix(void* data, uint8_t rot);
-void threefish256_init_c(void* key, void* tweak, threefish256_ctx_t* ctx);
+void threefish_invmix(void* data, uint8_t rot);
+
+void threefish256_init(const void* key, const void* tweak, threefish256_ctx_t* ctx);
+void threefish512_init(const void* key, const void* tweak, threefish512_ctx_t* ctx);
+void threefish1024_init(const void* key, const void* tweak, threefish1024_ctx_t* ctx);
-void threefish256_init(void* key, void* tweak, threefish256_ctx_t* ctx);
-void threefish512_init(void* key, void* tweak, threefish512_ctx_t* ctx);
-void threefish1024_init(void* key, void* tweak, threefish1024_ctx_t* ctx);
+void threefish256_enc(void* data, const threefish256_ctx_t* ctx);
+void threefish512_enc(void* data, const threefish512_ctx_t* ctx);
+void threefish1024_enc(void* data, const threefish1024_ctx_t* ctx);
-void threefish256_enc(void* data, threefish256_ctx_t* ctx);
-void threefish512_enc(void* data, threefish512_ctx_t* ctx);
-void threefish1024_enc(void* data, threefish1024_ctx_t* ctx);
+void threefish256_dec(void* data, const threefish256_ctx_t* ctx);
+void threefish512_dec(void* data, const threefish512_ctx_t* ctx);
+void threefish1024_dec(void* data, const threefish1024_ctx_t* ctx);
#endif /* THREEFISH_H_ */