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/*
* EAC SIGNED Object
* (C) 2007 FlexSecure GmbH
* 2008 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_EAC_SIGNED_OBJECT_H__
#define BOTAN_EAC_SIGNED_OBJECT_H__
#include <botan/asn1_obj.h>
#include <botan/x509_key.h>
#include <botan/pipe.h>
#include <vector>
namespace Botan {
/**
* This class represents abstract signed EAC object
*/
class BOTAN_DLL EAC_Signed_Object
{
public:
/**
* Get the TBS (to-be-signed) data in this object.
* @return DER encoded TBS data of this object
*/
virtual std::vector<byte> tbs_data() const = 0;
/**
* Get the signature of this object as a concatenation, i.e. if the
* signature consists of multiple parts (like in the case of ECDSA)
* these will be concatenated.
* @return signature as a concatenation of its parts
*/
/*
NOTE: this is here only because abstract signature objects have
not yet been introduced
*/
virtual std::vector<byte> get_concat_sig() const = 0;
/**
* Get the signature algorithm identifier used to sign this object.
* @result the signature algorithm identifier
*/
AlgorithmIdentifier signature_algorithm() const;
/**
* Check the signature of this object.
* @param key the public key associated with this signed object
* @param sig the signature we are checking
* @return true if the signature was created by the private key
* associated with this public key
*/
bool check_signature(class Public_Key& key,
const std::vector<byte>& sig) const;
/**
* Write this object DER encoded into a specified pipe.
* @param pipe the pipe to write the encoded object to
* @param encoding the encoding type to use
*/
virtual void encode(Pipe& pipe,
X509_Encoding encoding = PEM) const = 0;
/**
* BER encode this object.
* @return result containing the BER representation of this object.
*/
std::vector<byte> BER_encode() const;
/**
* PEM encode this object.
* @return result containing the PEM representation of this object.
*/
std::string PEM_encode() const;
virtual ~EAC_Signed_Object() {}
protected:
void do_decode();
EAC_Signed_Object() {}
AlgorithmIdentifier m_sig_algo;
std::vector<byte> m_tbs_bits;
std::string m_PEM_label_pref;
std::vector<std::string> m_PEM_labels_allowed;
private:
virtual void force_decode() = 0;
};
}
#endif
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