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dtool
src
prc
encryptStreamBuf.I
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// Filename: encryptStreamBuf.I
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// Created by: drose (09Dec04)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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// Function: EncryptStreamBuf::set_algorithm
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// Access: Public
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// Description: Specifies the encryption algorithm that should be
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// used for future calls to open_write(). The default
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// is whatever is specified by the encryption-algorithm
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// config variable. The complete set of available
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// algorithms is defined by the current version of
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// OpenSSL.
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//
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// If an invalid algorithm is specified, there is no
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// immediate error return code, but open_write() will
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// fail.
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////////////////////////////////////////////////////////////////////
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INLINE
void
EncryptStreamBuf::
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set_algorithm(
const
string
&algorithm) {
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_algorithm = algorithm;
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}
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////////////////////////////////////////////////////////////////////
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// Function: EncryptStreamBuf::get_algorithm
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// Access: Public
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// Description: Returns the encryption algorithm that was specified
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// by set_algorithm(), or was read from the stream by
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// the last successful open_read().
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////////////////////////////////////////////////////////////////////
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INLINE
const
string
&EncryptStreamBuf::
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get_algorithm()
const
{
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return
_algorithm;
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}
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////////////////////////////////////////////////////////////////////
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// Function: EncryptStreamBuf::set_key_length
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// Access: Public
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// Description: Specifies the length of the key, in bits, that should
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// be used to encrypt the stream in future calls to
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// open_write(). The default is whatever is specified
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// by the encryption-key-length config variable.
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//
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// If an invalid key_length for the chosen algorithm is
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// specified, there is no immediate error return code,
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// but open_write() will fail.
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////////////////////////////////////////////////////////////////////
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INLINE
void
EncryptStreamBuf::
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set_key_length(
int
key_length) {
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_key_length = key_length;
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}
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////////////////////////////////////////////////////////////////////
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// Function: EncryptStreamBuf::get_key_length
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// Access: Public
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// Description: Returns the encryption key length, in bits, that was
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// specified by set_key_length(), or was read from the
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// stream by the last successful open_read().
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////////////////////////////////////////////////////////////////////
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INLINE
int
EncryptStreamBuf::
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get_key_length()
const
{
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return
_key_length;
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}
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////////////////////////////////////////////////////////////////////
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// Function: EncryptStreamBuf::set_iteration_count
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// Access: Public
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// Description: Specifies the number of times to repeatedly hash the
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// key before writing it to the stream in future calls
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// to open_write(). Its purpose is to make it
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// computationally more expensive for an attacker to
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// search the key space exhaustively. This should be a
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// multiple of 1,000 and should not exceed about 65
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// million; the value 0 indicates just one application
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// of the hashing algorithm.
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//
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// The default is whatever is specified by the
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// encryption-iteration-count config variable.
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////////////////////////////////////////////////////////////////////
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INLINE
void
EncryptStreamBuf::
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set_iteration_count(
int
iteration_count) {
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_iteration_count = iteration_count;
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}
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////////////////////////////////////////////////////////////////////
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// Function: EncryptStreamBuf::get_iteration_count
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// Access: Public
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// Description: Returns the value that was specified by
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// set_iteration_count(), or was read from the stream by
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// the last successful open_read().
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////////////////////////////////////////////////////////////////////
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INLINE
int
EncryptStreamBuf::
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get_iteration_count()
const
{
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return
_iteration_count;
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}
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