133 lines
3.5 KiB
C
133 lines
3.5 KiB
C
/*
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* Copyright (C) 2013 Tobias Brunner
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* Copyright (C) 2008 Martin Willi
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*
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* Copyright (C) secunet Security Networks AG
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "padlock_plugin.h"
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#include "padlock_aes_crypter.h"
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#include "padlock_sha1_hasher.h"
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#include "padlock_rng.h"
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#include <stdio.h>
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#include <library.h>
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#include <plugins/plugin_feature.h>
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#include <utils/cpu_feature.h>
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#include <utils/debug.h>
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typedef struct private_padlock_plugin_t private_padlock_plugin_t;
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typedef enum padlock_feature_t padlock_feature_t;
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/**
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* private data of aes_plugin
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*/
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struct private_padlock_plugin_t {
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/**
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* public functions
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*/
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padlock_plugin_t public;
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/**
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* features supported by Padlock
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*/
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cpu_feature_t features;
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};
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METHOD(plugin_t, get_name, char*,
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private_padlock_plugin_t *this)
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{
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return "padlock";
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}
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METHOD(plugin_t, get_features, int,
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private_padlock_plugin_t *this, plugin_feature_t *features[])
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{
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static plugin_feature_t f_rng[] = {
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PLUGIN_REGISTER(RNG, padlock_rng_create),
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PLUGIN_PROVIDE(RNG, RNG_WEAK),
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PLUGIN_PROVIDE(RNG, RNG_STRONG),
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PLUGIN_PROVIDE(RNG, RNG_TRUE),
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};
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static plugin_feature_t f_aes[] = {
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PLUGIN_REGISTER(CRYPTER, padlock_aes_crypter_create),
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PLUGIN_PROVIDE(CRYPTER, ENCR_AES_CBC, 16),
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};
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static plugin_feature_t f_sha1[] = {
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PLUGIN_REGISTER(HASHER, padlock_sha1_hasher_create),
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PLUGIN_PROVIDE(HASHER, HASH_SHA1),
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};
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static plugin_feature_t f[countof(f_rng) + countof(f_aes) +
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countof(f_sha1)] = {};
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static int count = 0;
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if (!count)
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{ /* initialize only once */
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if (this->features & CPU_FEATURE_PADLOCK_RNG_ENABLED)
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{
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plugin_features_add(f, f_rng, countof(f_rng), &count);
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}
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if (this->features & CPU_FEATURE_PADLOCK_ACE2_ENABLED)
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{
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plugin_features_add(f, f_aes, countof(f_aes), &count);
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}
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if (this->features & CPU_FEATURE_PADLOCK_PHE_ENABLED)
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{
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plugin_features_add(f, f_sha1, countof(f_sha1), &count);
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}
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}
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*features = f;
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return count;
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}
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METHOD(plugin_t, destroy, void,
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private_padlock_plugin_t *this)
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{
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free(this);
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}
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/*
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* see header file
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*/
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PLUGIN_DEFINE(padlock)
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{
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private_padlock_plugin_t *this;
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INIT(this,
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.public = {
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.plugin = {
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.get_name = _get_name,
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.get_features = _get_features,
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.destroy = _destroy,
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},
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},
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.features = cpu_feature_get_all(),
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);
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DBG1(DBG_LIB, "Padlock features supported:%s%s%s%s%s, enabled:%s%s%s%s%s",
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this->features & CPU_FEATURE_PADLOCK_RNG_AVAILABLE ? " RNG" : "",
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this->features & CPU_FEATURE_PADLOCK_ACE_AVAILABLE ? " ACE" : "",
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this->features & CPU_FEATURE_PADLOCK_ACE2_AVAILABLE ? " ACE2" : "",
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this->features & CPU_FEATURE_PADLOCK_PHE_AVAILABLE ? " PHE" : "",
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this->features & CPU_FEATURE_PADLOCK_PMM_AVAILABLE ? " PMM" : "",
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this->features & CPU_FEATURE_PADLOCK_RNG_ENABLED ? " RNG" : "",
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this->features & CPU_FEATURE_PADLOCK_ACE_ENABLED ? " ACE" : "",
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this->features & CPU_FEATURE_PADLOCK_ACE2_ENABLED ? " ACE2" : "",
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this->features & CPU_FEATURE_PADLOCK_PHE_ENABLED ? " PHE" : "",
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this->features & CPU_FEATURE_PADLOCK_PMM_ENABLED ? " PMM" : "");
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return &this->public.plugin;
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}
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