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/*
* X.509 SIGNED Object
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_X509_OBJECT_H__
#define BOTAN_X509_OBJECT_H__
#include <botan/asn1_obj.h>
#include <botan/pipe.h>
#include <botan/x509_key.h>
#include <botan/rng.h>
#include <vector>
namespace Botan {
/**
* This class represents abstract X.509 signed objects as
* in the X.500 SIGNED macro
*/
class BOTAN_DLL X509_Object
{
public:
/**
* The underlying data that is to be or was signed
* @return data that is or was signed
*/
MemoryVector<byte> tbs_data() const;
/**
* @return signature on tbs_data()
*/
MemoryVector<byte> signature() const;
/**
* @return signature algorithm that was used to generate signature
*/
AlgorithmIdentifier signature_algorithm() const;
/**
* @return hash algorithm that was used to generate signature
*/
std::string hash_used_for_signature() const;
/**
* Create a signed X509 object.
* @param signer the signer used to sign the object
* @param rng the random number generator to use
* @param alg_id the algorithm identifier of the signature scheme
* @param tbs the tbs bits to be signed
* @return signed X509 object
*/
static MemoryVector<byte> make_signed(class PK_Signer* signer,
RandomNumberGenerator& rng,
const AlgorithmIdentifier& alg_id,
const MemoryRegion<byte>& tbs);
/**
* Check the signature on this data
* @param key the public key purportedly used to sign this data
* @return true if the signature is valid, otherwise false
*/
bool check_signature(const Public_Key& key) const;
/**
* Check the signature on this data
* @param key the public key purportedly used to sign this data
* the pointer will be deleted after use
* @return true if the signature is valid, otherwise false
*/
bool check_signature(const Public_Key* key) const;
/**
* @return BER encoding of this
*/
MemoryVector<byte> BER_encode() const;
/**
* @return PEM encoding of this
*/
std::string PEM_encode() const;
/**
* Encode this to a pipe
* @deprecated use BER_encode or PEM_encode instead
* @param out the pipe to write to
* @param encoding the encoding to use
*/
BOTAN_DEPRECATED("Use BER_encode or PEM_encode")
void encode(Pipe& out, X509_Encoding encoding = PEM) const;
virtual ~X509_Object() {}
protected:
X509_Object(DataSource& src, const std::string& pem_labels);
X509_Object(const std::string& file, const std::string& pem_labels);
void do_decode();
X509_Object() {}
AlgorithmIdentifier sig_algo;
MemoryVector<byte> tbs_bits, sig;
private:
virtual void force_decode() = 0;
void init(DataSource&, const std::string&);
void decode_info(DataSource&);
std::vector<std::string> PEM_labels_allowed;
std::string PEM_label_pref;
};
}
#endif
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