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Merge branch 'getkeylength' into getkeylength-2.0-2

Browse Source 
Conflicts:
	phpseclib/Crypt/Base.php
	phpseclib/Crypt/Blowfish.php
	phpseclib/Crypt/DES.php
	phpseclib/Crypt/Rijndael.php
This commit is contained in:
terrafrost 2015-10-04 21:38:47 -05:00
commit 49393d1b3a
9 changed files with 63 additions and 63 deletions
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6
phpseclib/Crypt/AES.php
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@ -114,13 +114,13 @@ class AES extends Rijndael
$length = strlen($key);
switch (true) {
case $length <= 16:
$this->key_size = 16;
$this->key_length = 16;
break;
case $length <= 24:
$this->key_size = 24;
$this->key_length = 24;
break;
default:
$this->key_size = 32;
$this->key_length = 32;
}
$this->_setEngine();
}

15
phpseclib/Crypt/Base.php
View File

@ -378,15 +378,6 @@ abstract class Base
*/
var $cipher_name_openssl_ecb;
/**
* The default password key_size used by setPassword()
*
* @see \phpseclib\Crypt\Base::setPassword()
* @var int
* @access private
*/
var $password_key_size = 32;
/**
* The default salt used by setPassword()
*
@ -553,7 +544,7 @@ abstract class Base
*/
function getKeyLength()
{
return $this->key_size << 3;
return $this->key_length << 3;
}
/**
@ -631,7 +622,7 @@ abstract class Base
if (isset($func_args[5])) {
$dkLen = $func_args[5];
} else {
$dkLen = $method == 'pbkdf1' ? 2 * $this->key_size : $this->key_size;
$dkLen = $method == 'pbkdf1' ? 2 * $this->key_length : $this->key_length;
}
switch (true) {
@ -1893,7 +1884,7 @@ abstract class Base
$this->encryptIV = $this->decryptIV = str_pad(substr($this->iv, 0, $this->block_size), $this->block_size, "\0");
if (!$this->skip_key_adjustment) {
$this->key = str_pad(substr($this->key, 0, $this->key_size), $this->key_size, "\0");
$this->key = str_pad(substr($this->key, 0, $this->key_length), $this->key_length, "\0");
}
}

16
phpseclib/Crypt/Blowfish.php
View File

@ -273,17 +273,17 @@ class Blowfish extends Base
var $kl;
/**
* The Key Length
* The Key Length (in bytes)
*
* @see \phpseclib\Crypt\Base::setKeyLength()
* @var int
* @access private
* @internal The max value is 256 / 8 = 32, the min value is 128 / 8 = 16. Exists in conjunction with $Nk
* because the encryption / decryption / key schedule creation requires this number and not $key_size. We could
* derive this from $key_size or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu
* because the encryption / decryption / key schedule creation requires this number and not $key_length. We could
* derive this from $key_length or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu
* of that, we'll just precompute it once.
*/
var $key_size = 16;
var $key_length = 16;
/**
* Sets the key length.
@ -296,11 +296,11 @@ class Blowfish extends Base
function setKeyLength($length)
{
if ($length < 32) {
$this->key_size = 7;
$this->key_length = 7;
} elseif ($length > 448) {
$this->key_size = 56;
$this->key_length = 56;
} else {
$this->key_size = $length >> 3;
$this->key_length = $length >> 3;
}
parent::setKeyLength($length);
@ -319,7 +319,7 @@ class Blowfish extends Base
function isValidEngine($engine)
{
if ($engine == self::ENGINE_OPENSSL) {
if ($this->key_size != 16) {
if ($this->key_length != 16) {
return false;
}
$this->cipher_name_openssl_ecb = 'bf-ecb';

12
phpseclib/Crypt/DES.php
View File

@ -78,13 +78,13 @@ class DES extends Base
var $block_size = 8;
/**
* Key Length
* Key Length (in bytes)
*
* @see \phpseclib\Crypt\Base::setKeyLength()
* @var int
* @access private
*/
var $key_size = 8;
var $key_length = 8;
/**
* The mcrypt specific name of the cipher
@ -138,7 +138,7 @@ class DES extends Base
* @var string
* @access private
*/
var $key_size_max = 8;
var $key_length_max = 8;
/**
* The Key Schedule
@ -592,7 +592,7 @@ class DES extends Base
*/
function isValidEngine($engine)
{
if ($this->key_size_max == 8) {
if ($this->key_length_max == 8) {
if ($engine == self::ENGINE_OPENSSL) {
$this->cipher_name_openssl_ecb = 'des-ecb';
$this->cipher_name_openssl = 'des-' . $this->_openssl_translate_mode();
@ -621,8 +621,8 @@ class DES extends Base
{
// We check/cut here only up to max length of the key.
// Key padding to the proper length will be done in _setupKey()
if (strlen($key) > $this->key_size_max) {
$key = substr($key, 0, $this->key_size_max);
if (strlen($key) > $this->key_length_max) {
$key = substr($key, 0, $this->key_length_max);
}
// Sets the key

4
phpseclib/Crypt/RC2.php
View File

@ -86,13 +86,13 @@ class RC2 extends Base
var $skip_key_adjustment = true;
/**
* Key Length
* Key Length (in bytes)
*
* @see \phpseclib\Crypt\RC2::setKeyLength()
* @var int
* @access private
*/
var $key_size = 16; // = 128 bits
var $key_length = 16; // = 128 bits
/**
* The mcrypt specific name of the cipher

10
phpseclib/Crypt/RC4.php
View File

@ -76,13 +76,13 @@ class RC4 extends Base
var $block_size = 0;
/**
* Key Length
* Key Length (in bytes)
*
* @see \phpseclib\Crypt\RC4::setKeyLength()
* @var int
* @access private
*/
var $key_size = 128; // = 1024 bits
var $key_length = 128; // = 1024 bits
/**
* The mcrypt specific name of the cipher
@ -200,11 +200,11 @@ class RC4 extends Base
function setKeyLength($length)
{
if ($length < 8) {
$this->key_size = 1;
$this->key_length = 1;
} elseif ($length > 2048) {
$this->key_size = 248;
$this->key_length = 248;
} else {
$this->key_size = $length >> 3;
$this->key_length = $length >> 3;
}
parent::setKeyLength($length);

34
phpseclib/Crypt/Rijndael.php
View File

@ -68,9 +68,9 @@ class Rijndael extends Base
/**
* The mcrypt specific name of the cipher
*
* Mcrypt is useable for 128/192/256-bit $block_size/$key_size. For 160/224 not.
* Mcrypt is useable for 128/192/256-bit $block_size/$key_length. For 160/224 not.
* \phpseclib\Crypt\Rijndael determines automatically whether mcrypt is useable
* or not for the current $block_size/$key_size.
* or not for the current $block_size/$key_length.
* In case of, $cipher_name_mcrypt will be set dynamically at run time accordingly.
*
* @see \phpseclib\Crypt\Base::cipher_name_mcrypt
@ -123,17 +123,17 @@ class Rijndael extends Base
var $Nb = 4;
/**
* The Key Length
* The Key Length (in bytes)
*
* @see setKeyLength()
* @var int
* @access private
* @internal The max value is 256 / 8 = 32, the min value is 128 / 8 = 16. Exists in conjunction with $Nk
* because the encryption / decryption / key schedule creation requires this number and not $key_size. We could
* derive this from $key_size or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu
* because the encryption / decryption / key schedule creation requires this number and not $key_length. We could
* derive this from $key_length or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu
* of that, we'll just precompute it once.
*/
var $key_size = 16;
var $key_length = 16;
/**
* The Key Length divided by 32
@ -194,19 +194,19 @@ class Rijndael extends Base
{
switch (true) {
case $length <= 128:
$this->key_size = 16;
$this->key_length = 16;
break;
case $length <= 160:
$this->key_size = 20;
$this->key_length = 20;
break;
case $length <= 192:
$this->key_size = 24;
$this->key_length = 24;
break;
case $length <= 224:
$this->key_size = 28;
$this->key_length = 28;
break;
default:
$this->key_size = 32;
$this->key_length = 32;
}
parent::setKeyLength($length);
@ -252,12 +252,12 @@ class Rijndael extends Base
if ($this->block_size != 16) {
return false;
}
$this->cipher_name_openssl_ecb = 'aes-' . ($this->key_size << 3) . '-ecb';
$this->cipher_name_openssl = 'aes-' . ($this->key_size << 3) . '-' . $this->_openssl_translate_mode();
$this->cipher_name_openssl_ecb = 'aes-' . ($this->key_length << 3) . '-ecb';
$this->cipher_name_openssl = 'aes-' . ($this->key_length << 3) . '-' . $this->_openssl_translate_mode();
break;
case self::ENGINE_MCRYPT:
$this->cipher_name_mcrypt = 'rijndael-' . ($this->block_size << 3);
if ($this->key_size % 8) { // is it a 160/224-bit key?
if ($this->key_length % 8) { // is it a 160/224-bit key?
// mcrypt is not usable for them, only for 128/192/256-bit keys
return false;
}
@ -476,13 +476,13 @@ class Rijndael extends Base
0x7D000000, 0xFA000000, 0xEF000000, 0xC5000000, 0x91000000
);
if (isset($this->kl['key']) && $this->key === $this->kl['key'] && $this->key_size === $this->kl['key_size'] && $this->block_size === $this->kl['block_size']) {
if (isset($this->kl['key']) && $this->key === $this->kl['key'] && $this->key_length === $this->kl['key_length'] && $this->block_size === $this->kl['block_size']) {
// already expanded
return;
}
$this->kl = array('key' => $this->key, 'key_size' => $this->key_size, 'block_size' => $this->block_size);
$this->kl = array('key' => $this->key, 'key_length' => $this->key_length, 'block_size' => $this->block_size);
$this->Nk = $this->key_size >> 2;
$this->Nk = $this->key_length >> 2;
// see Rijndael-ammended.pdf#page=44
$this->Nr = max($this->Nk, $this->Nb) + 6;

14
phpseclib/Crypt/TripleDES.php
View File

@ -64,13 +64,13 @@ class TripleDES extends DES
const MODE_CBC3 = Base::MODE_CBC;
/**
* Key Length
* Key Length (in bytes)
*
* @see \phpseclib\Crypt\TripleDES::setKeyLength()
* @var int
* @access private
*/
var $key_size = 24;
var $key_length = 24;
/**
* The default salt used by setPassword()
@ -109,7 +109,7 @@ class TripleDES extends DES
* @var string
* @access private
*/
var $key_size_max = 24;
var $key_length_max = 24;
/**
* Internal flag whether using self::MODE_3CBC or not
@ -237,13 +237,13 @@ class TripleDES extends DES
$length >>= 3;
switch (true) {
case $length <= 8:
$this->key_size = 8;
$this->key_length = 8;
break;
case $length <= 16:
$this->key_size = 16;
$this->key_length = 16;
break;
default:
$this->key_size = 24;
$this->key_length = 24;
}
parent::setKeyLength($length);
@ -266,7 +266,7 @@ class TripleDES extends DES
*/
function setKey($key)
{
$length = $this->explicit_key_length ? $this->key_size : strlen($key);
$length = $this->explicit_key_length ? $this->key_length : strlen($key);
if ($length > 8) {
$key = str_pad(substr($key, 0, 24), 24, chr(0));
// if $key is between 64 and 128-bits, use the first 64-bits as the last, per this:

15
phpseclib/Crypt/Twofish.php
View File

@ -361,6 +361,15 @@ class Twofish extends Base
*/
var $kl;
/**
* The Key Length (in bytes)
*
* @see Crypt_Twofish::setKeyLength()
* @var int
* @access private
*/
var $key_length = 16;
/**
* Sets the key length.
*
@ -373,13 +382,13 @@ class Twofish extends Base
{
switch (true) {
case $length <= 128:
$this->key_size = 16;
$this->key_length = 16;
break;
case $length <= 192:
$this->key_size = 24;
$this->key_length = 24;
break;
default:
$this->key_size = 32;
$this->key_length = 32;
}
parent::setKeyLength($length);