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PayloadIntegrityBlock.h
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/*
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* PayloadIntegrityBlock.h
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*
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* Copyright (C) 2011 IBR, TU Braunschweig
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*
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* Written-by: Johannes Morgenroth <morgenroth@ibr.cs.tu-bs.de>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#ifndef _PAYLOAD_INTEGRITY_BLOCK_H_
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#define _PAYLOAD_INTEGRITY_BLOCK_H_
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#include "
ibrdtn/security/SecurityBlock.h
"
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#include "
ibrdtn/security/SecurityKey.h
"
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#include "
ibrdtn/data/ExtensionBlock.h
"
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#include "
ibrdtn/data/Bundle.h
"
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#include <openssl/evp.h>
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namespace
dtn
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{
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namespace
security
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{
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class
PayloadIntegrityBlock
:
public
SecurityBlock
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{
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friend
class
dtn::data::Bundle
;
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public
:
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class
Factory
:
public
dtn::data::ExtensionBlock::Factory
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{
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public
:
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Factory
() : dtn::data::ExtensionBlock::
Factory
(
PayloadIntegrityBlock
::
BLOCK_TYPE
) {};
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virtual
~Factory
() {};
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virtual
dtn::data::Block
*
create
();
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};
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static
const
dtn::data::block_t
BLOCK_TYPE
;
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virtual
~PayloadIntegrityBlock
();
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static
void
sign
(
dtn::data::Bundle
&bundle,
const
SecurityKey
&key,
const
dtn::data::EID
& destination);
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static
void
verify
(
const
dtn::data::Bundle
&bundle,
const
SecurityKey
&key);
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static
void
strip
(
dtn::data::Bundle
& bundle,
const
SecurityKey
&key,
const
bool
all =
false
);
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static
void
strip
(
dtn::data::Bundle
& bundle);
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virtual
std::istream &
deserialize
(std::istream &stream,
const
dtn::data::Length
&length);
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protected
:
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PayloadIntegrityBlock
();
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virtual
dtn::data::Length
getSecurityResultSize
()
const
;
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private
:
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dtn::data::Length
result_size;
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static
const
std::string calcHash(
const
dtn::data::Bundle
&bundle,
const
SecurityKey
&key,
PayloadIntegrityBlock
& ignore);
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static
void
verify
(
const
dtn::data::Bundle
& bundle,
const
SecurityKey
&key,
const
PayloadIntegrityBlock
&sb,
const
bool
use_eid =
true
);
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void
setResultSize(
const
SecurityKey
&key);
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};
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static
PayloadIntegrityBlock::Factory
__PayloadIntegrityBlockFactory__;
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}
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}
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#endif
/* _PAYLOAD_INTEGRITY_BLOCK_H_ */
ibrdtn
ibrdtn
security
PayloadIntegrityBlock.h
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