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/*
* PKCS #8
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_PKCS8_H__
#define BOTAN_PKCS8_H__
#include <botan/x509_key.h>
#include <botan/ui.h>
namespace Botan {
/**
* PKCS #8 General Exception
*/
struct BOTAN_DLL PKCS8_Exception : public Decoding_Error
{
PKCS8_Exception(const std::string& error) :
Decoding_Error("PKCS #8: " + error) {}
};
/**
* This namespace contains functions for handling PKCS #8 private keys
*/
namespace PKCS8 {
/**
* BER encode a private key
* @param key the private key to encode
* @return BER encoded key
*/
BOTAN_DLL SecureVector<byte> BER_encode(const Private_Key& key);
/**
* Get a string containing a PEM encoded private key.
* @param key the key to encode
* @return encoded key
*/
BOTAN_DLL std::string PEM_encode(const Private_Key& key);
/**
* Encrypt a key using PKCS #8 encryption
* @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; if empty ("") a reasonable (portable/secure)
default will be chosen.
* @return encrypted key in binary BER form
*/
BOTAN_DLL SecureVector<byte> BER_encode(const Private_Key& key,
RandomNumberGenerator& rng,
const std::string& pass,
const std::string& pbe_algo = "");
/**
* 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; if empty ("") a reasonable (portable/secure)
default will be chosen.
* @return encrypted key in PEM form
*/
BOTAN_DLL std::string PEM_encode(const Private_Key& key,
RandomNumberGenerator& rng,
const std::string& pass,
const std::string& pbe_algo = "");
/**
* Encode a private key into a pipe.
* @deprecated Use PEM_encode or BER_encode instead
*
* @param key the private key to encode
* @param pipe the pipe to feed the encoded key into
* @param encoding the encoding type to use
*/
inline void encode(const Private_Key& key,
Pipe& pipe,
X509_Encoding encoding = PEM)
{
if(encoding == PEM)
pipe.write(PKCS8::PEM_encode(key));
else
pipe.write(PKCS8::BER_encode(key));
}
/**
* Encode and encrypt a private key into a pipe.
* @deprecated Use PEM_encode or BER_encode instead
*
* @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; if empty ("") a reasonable (portable/secure)
default will be chosen.
* @param encoding the encoding type to use
*/
inline void encrypt_key(const Private_Key& key,
Pipe& pipe,
RandomNumberGenerator& rng,
const std::string& pass,
const std::string& pbe_algo = "",
X509_Encoding encoding = PEM)
{
if(encoding == PEM)
pipe.write(PKCS8::PEM_encode(key, rng, pass, pbe_algo));
else
pipe.write(PKCS8::BER_encode(key, rng, pass, pbe_algo));
}
/**
* 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 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 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 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 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 new copy of the key
*/
BOTAN_DLL Private_Key* copy_key(const Private_Key& key,
RandomNumberGenerator& rng);
}
}
#endif
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