From 272f0e1ae4b802846c25c381895dba7f9536fb6b Mon Sep 17 00:00:00 2001 From: Martin Willi Date: Fri, 13 Aug 2010 19:39:59 +0200 Subject: Added a counter mode wrapper plugin operating on existing CBC crypters --- src/libstrongswan/plugins/ctr/ctr_plugin.c | 61 ++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 src/libstrongswan/plugins/ctr/ctr_plugin.c (limited to 'src/libstrongswan/plugins/ctr/ctr_plugin.c') diff --git a/src/libstrongswan/plugins/ctr/ctr_plugin.c b/src/libstrongswan/plugins/ctr/ctr_plugin.c new file mode 100644 index 000000000..d9ff436e2 --- /dev/null +++ b/src/libstrongswan/plugins/ctr/ctr_plugin.c @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2010 Martin Willi + * Copyright (C) 2010 revosec AG + * + * 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 . + * + * 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. + */ + +#include "ctr_plugin.h" + +#include + +#include "ctr_ipsec_crypter.h" + +typedef struct private_ctr_plugin_t private_ctr_plugin_t; + +/** + * private data of ctr_plugin + */ +struct private_ctr_plugin_t { + + /** + * public functions + */ + ctr_plugin_t public; +}; + +METHOD(plugin_t, destroy, void, + private_ctr_plugin_t *this) +{ + lib->crypto->remove_crypter(lib->crypto, + (crypter_constructor_t)ctr_ipsec_crypter_create); + + free(this); +} + +/* + * see header file + */ +plugin_t *ctr_plugin_create() +{ + private_ctr_plugin_t *this; + + INIT(this, + .public.plugin.destroy = _destroy, + ); + + lib->crypto->add_crypter(lib->crypto, ENCR_AES_CTR, + (crypter_constructor_t)ctr_ipsec_crypter_create); + lib->crypto->add_crypter(lib->crypto, ENCR_CAMELLIA_CTR, + (crypter_constructor_t)ctr_ipsec_crypter_create); + + return &this->public.plugin; +} -- cgit v1.2.3