/**
* Sets the key length.
*
* Valid key lengths are 8 to 1024.
* Calling this function after setting the key has no effect until the next
* \phpseclib\Crypt\RC2::setKey() call.
*
* @access public
* @param int $length in bits
*/
function setKeyLength($length)
{
if ($length < 8) {
$this->default_key_length = 8;
} elseif ($length > 1024) {
$this->default_key_length = 128;
} else {
$this->default_key_length = $length;
}
$this->current_key_length = $this->default_key_length;
parent::setKeyLength($length);
}
/**
* Sets the key length.
*
* Valid key lengths are 128, 192 or 256 bits
*
* @access public
* @param int $length
*/
function setKeyLength($length)
{
switch ($length) {
case 128:
case 192:
case 256:
break;
default:
throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of sizes 16, 24 or 32 supported');
}
parent::setKeyLength($length);
}
/**
* Sets the key length
*
* Keys can be between 1 and 256 bytes long.
*
* @access public
* @param int $length
* @throws \LengthException if the key length is invalid
*/
function setKeyLength($length)
{
if ($length < 8 || $length > 2048) {
throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys between 1 and 256 bytes are supported');
}
$this->key_length = $length >> 3;
parent::setKeyLength($length);
}
/**
* Sets the key length.
*
* Key lengths can be between 32 and 448 bits.
*
* @access public
* @param int $length
*/
function setKeyLength($length)
{
if ($length < 32 || $length > 448) {
throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys of sizes between 32 and 448 bits are supported');
}
$this->key_length = $length >> 3;
parent::setKeyLength($length);
}
/**
* Sets the key length.
*
* Valid key lengths are 128, 192 or 256 bits
*
* @access public
* @param int $length
*/
function setKeyLength($length)
{
switch (true) {
case $length <= 128:
$this->key_length = 16;
break;
case $length <= 192:
$this->key_length = 24;
break;
default:
$this->key_length = 32;
}
parent::setKeyLength($length);
}
/**
* Sets the key length.
*
* Valid key lengths are 128, 160, 192, 224, and 256.
*
* Note: phpseclib extends Rijndael (and AES) for using 160- and 224-bit keys but they are officially not defined
* and the most (if not all) implementations are not able using 160/224-bit keys but round/pad them up to
* 192/256 bits as, for example, mcrypt will do.
*
* That said, if you want be compatible with other Rijndael and AES implementations,
* you should not setKeyLength(160) or setKeyLength(224).
*
* Additional: In case of 160- and 224-bit keys, phpseclib will/can, for that reason, not use
* the mcrypt php extension, even if available.
* This results then in slower encryption.
*
* @access public
* @throws \LengthException if the key length is invalid
* @param int $length
*/
function setKeyLength($length)
{
switch ($length) {
case 128:
case 160:
case 192:
case 224:
case 256:
$this->key_length = $length >> 3;
break;
default:
throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys of sizes 128, 160, 192, 224 or 256 bits are supported');
}
parent::setKeyLength($length);
}
/**
* Sets the key length.
*
* Key lengths can be between 32 and 448 bits.
*
* @access public
* @param int $length
*/
function setKeyLength($length)
{
if ($length < 32) {
$this->key_length = 7;
} elseif ($length > 448) {
$this->key_length = 56;
} else {
$this->key_length = $length >> 3;
}
parent::setKeyLength($length);
}
/**
* Sets the key length
*
* Keys can be between 1 and 256 bytes long.
*
* @access public
* @param int $length
*/
function setKeyLength($length)
{
if ($length < 8) {
$this->key_length = 1;
} elseif ($length > 2048) {
$this->key_length = 256;
} else {
$this->key_length = $length >> 3;
}
parent::setKeyLength($length);
}