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Diffstat (limited to 'src/libstrongswan/plugins/chapoly/chapoly_xof.h')
| -rw-r--r-- | src/libstrongswan/plugins/chapoly/chapoly_xof.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/libstrongswan/plugins/chapoly/chapoly_xof.h b/src/libstrongswan/plugins/chapoly/chapoly_xof.h new file mode 100644 index 000000000..cd0586fad --- /dev/null +++ b/src/libstrongswan/plugins/chapoly/chapoly_xof.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2016 Andreas Steffen + * HSR Hochschule fuer Technik Rapperswil + * + * 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 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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. + */ + +/** + * @defgroup chapoly_xof chapoly_xof + * @{ @ingroup chapoly + */ + +#ifndef CHAPOLY_XOF_H_ +#define CHAPOLY_XOF_H_ + +#include <crypto/aead.h> + +typedef struct chapoly_xof_t chapoly_xof_t; + +/** + * ChaCha20 XOF implementation + * + * Based on RFC 7539 ChaCha20 stream initialized with block counter = 1 + */ +struct chapoly_xof_t { + + /** + * Generic xof_t interface for this Extended Output Function (XOF). + */ + xof_t xof_interface; +}; + +/** + * Create a chapoly_xof instance. + * + * @param algorithm XOF_CHACHA20 + * @return chapoly_xof_t object, NULL if not supported + */ +chapoly_xof_t *chapoly_xof_create(ext_out_function_t algorithm); + +#endif /** CHAPOLY_XOF_H_ @}*/ |