--- /dev/null
+/* trivium.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 <http://www.gnu.org/licenses/>.
+*/
+#ifndef TRIVIUM_H_
+#define TRIVIUM_H_
+
+typedef uint8_t trivium_ctx_t[36]; /* 288bit */
+
+uint8_t trivium_enc(trivium_ctx_t* ctx);
+void trivium_init(const void* key, uint8_t keysize_b,
+ const void* iv, uint8_t ivsize_b,
+ trivium_ctx_t* ctx);
+
+#endif /*TRIVIUM_H_*/