X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;ds=sidebyside;f=serpent%2Fserpent.h;fp=serpent%2Fserpent.h;h=84e4a87c265714a2be10509879712076093350a3;hb=d32eba56ce10ea6b9eff123b50d9842673b38f2b;hp=0000000000000000000000000000000000000000;hpb=8f855d283a31a468ea014774c4723a8b77b81644;p=avr-crypto-lib.git
diff --git a/serpent/serpent.h b/serpent/serpent.h
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+/* serpent.h */
+/*
+ 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 .
+*/
+/** \file serpent.h
+ * \author Daniel Otte
+ * \license GPLv3
+ * \brief a implementation of the serpent cipher for avr microcontrollers
+ */
+
+#ifndef SERPENT_H_
+#define SERPENT_H_
+
+#include
+
+typedef uint32_t serpent_subkey_t[4];
+
+typedef struct serpent_ctx_st {
+ serpent_subkey_t k[33];
+} serpent_ctx_t;
+
+#define SERPENT_KEY128 128
+#define SERPENT_KEY192 192
+#define SERPENT_KEY256 256
+
+
+/* key must be 256bit (32 byte) large! */
+void serpent_init(const void* key, uint16_t keysize_b, serpent_ctx_t* ctx);
+void serpent_enc(void* buffer, const serpent_ctx_t* ctx);
+void serpent_dec(void* buffer, const serpent_ctx_t* ctx);
+
+
+#endif /*SERPENT_H_*/