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/*************************************************
* PKCS #8 Header File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#ifndef BOTAN_PKCS8_H__
#define BOTAN_PKCS8_H__
#include <botan/x509_key.h>
#include <botan/ui.h>
namespace Botan {
/**
* PKCS #8 Private Key Encoder.
*/
class BOTAN_DLL PKCS8_Encoder
{
public:
/**
* Get the algorithm identifier associated with the scheme
* this encoders key is part of.
* @return the algorithm identifier
*/
virtual AlgorithmIdentifier alg_id() const = 0;
/**
* Get the DER encoded key.
* @return the DER encoded key
*/
// XXX: Why not SecureVector?
virtual MemoryVector<byte> key_bits() const = 0;
virtual ~PKCS8_Encoder() {}
};
/*************************************************
* PKCS #8 Private Key Decoder *
*************************************************/
class BOTAN_DLL PKCS8_Decoder
{
public:
/**
* Set the algorithm identifier associated with the scheme
* this decoders key is part of.
* @param alg_id the algorithm identifier
*/
virtual void alg_id(const AlgorithmIdentifier&) = 0;
/**
* Set the DER encoded key.
* @param key the DER encoded key
*/
virtual void key_bits(const MemoryRegion<byte>&) = 0;
virtual ~PKCS8_Decoder() {}
};
/**
* PKCS #8 General Exception
*/
struct BOTAN_DLL PKCS8_Exception : public Decoding_Error
{
PKCS8_Exception(const std::string& error) :
Decoding_Error("PKCS #8: " + error) {}
};
namespace PKCS8 {
/**
* Encode a private key into a pipe.
* @param key the private key to encode
* @param pipe the pipe to feed the encoded key into
* @param enc the encoding type to use
*/
BOTAN_DLL void encode(const Private_Key& key, Pipe& pipe,
X509_Encoding enc = PEM);
/**
* Encode and encrypt a private key into a pipe.
* @param key the private key to encode
* @param pipe the pipe to feed the encoded key into
* @param pass the password to use for encryption
* @param rng the rng to use
* @param pbe_algo the name of the desired password-based encryption algorithm.
* Provide an empty string to use the default PBE defined in the configuration
* under base/default_pbe.
* @param enc the encoding type to use
*/
BOTAN_DLL void encrypt_key(const Private_Key& key,
Pipe& pipe,
RandomNumberGenerator& rng,
const std::string& pass,
const std::string& pbe_algo = "",
X509_Encoding enc = PEM);
/**
* Get a string containing a PEM encoded private key.
* @param key the key to encode
* @return the encoded key
*/
BOTAN_DLL std::string PEM_encode(const Private_Key& key);
/**
* Get a string containing a PEM encoded private key, encrypting it with a
* password.
* @param key the key to encode
* @param rng the rng to use
* @param pass the password to use for encryption
* @param pbe_algo the name of the desired password-based encryption algorithm.
* Provide an empty string to use the default PBE defined in the configuration
* under base/default_pbe.
*/
BOTAN_DLL std::string PEM_encode(const Private_Key& key,
RandomNumberGenerator& rng,
const std::string& pass,
const std::string& pbe_algo = "");
BOTAN_DLL std::string PEM_encode(const Private_Key&,
const std::string&,
const std::string& = "");
/**
* Load a key from a data source.
* @param source the data source providing the encoded key
* @param rng the rng to use
* @param ui the user interface to be used for passphrase dialog
* @return the loaded private key object
*/
BOTAN_DLL Private_Key* load_key(DataSource& source,
RandomNumberGenerator& rng,
const User_Interface& ui);
/** Load a key from a data source.
* @param source the data source providing the encoded key
* @param rng the rng to use
* @param pass the passphrase to decrypt the key. Provide an empty
* string if the key is not encoded.
* @return the loaded private key object
*/
BOTAN_DLL Private_Key* load_key(DataSource& source,
RandomNumberGenerator& rng,
const std::string& pass = "");
/**
* Load a key from a file.
* @param filename the path to the file containing the encoded key
* @param rng the rng to use
* @param ui the user interface to be used for passphrase dialog
* @return the loaded private key object
*/
BOTAN_DLL Private_Key* load_key(const std::string& filename,
RandomNumberGenerator& rng,
const User_Interface& ui);
/** Load a key from a file.
* @param filename the path to the file containing the encoded key
* @param rng the rng to use
* @param pass the passphrase to decrypt the key. Provide an empty
* string if the key is not encoded.
* @return the loaded private key object
*/
BOTAN_DLL Private_Key* load_key(const std::string& filename,
RandomNumberGenerator& rng,
const std::string& pass = "");
/**
* Copy an existing encoded key object.
* @param key the key to copy
* @param rng the rng to use
* @return the new copy of the key
*/
BOTAN_DLL Private_Key* copy_key(const Private_Key& key,
RandomNumberGenerator& rng);
}
}
#endif
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