rename key_size -> key_length

This commit is contained in:
terrafrost 2015-10-04 21:06:17 -05:00
parent 27034825f3
commit d91158f6ef
9 changed files with 63 additions and 63 deletions

View File

@ -183,13 +183,13 @@ class Crypt_AES extends Crypt_Rijndael
$length = strlen($key); $length = strlen($key);
switch (true) { switch (true) {
case $length <= 16: case $length <= 16:
$this->key_size = 16; $this->key_length = 16;
break; break;
case $length <= 24: case $length <= 24:
$this->key_size = 24; $this->key_length = 24;
break; break;
default: default:
$this->key_size = 32; $this->key_length = 32;
} }
$this->_setEngine(); $this->_setEngine();
} }

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@ -385,15 +385,6 @@ class Crypt_Base
*/ */
var $cipher_name_openssl_ecb; var $cipher_name_openssl_ecb;
/**
* The default password key_size used by setPassword()
*
* @see Crypt_Base::setPassword()
* @var int
* @access private
*/
var $password_key_size = 32;
/** /**
* The default salt used by setPassword() * The default salt used by setPassword()
* *
@ -583,7 +574,7 @@ class Crypt_Base
*/ */
function getKeyLength() function getKeyLength()
{ {
return $this->key_size << 3; return $this->key_length << 3;
} }
/** /**
@ -661,7 +652,7 @@ class Crypt_Base
if (isset($func_args[5])) { if (isset($func_args[5])) {
$dkLen = $func_args[5]; $dkLen = $func_args[5];
} else { } else {
$dkLen = $method == 'pbkdf1' ? 2 * $this->key_size : $this->key_size; $dkLen = $method == 'pbkdf1' ? 2 * $this->key_length : $this->key_length;
} }
switch (true) { switch (true) {
@ -1935,7 +1926,7 @@ class Crypt_Base
$this->encryptIV = $this->decryptIV = str_pad(substr($this->iv, 0, $this->block_size), $this->block_size, "\0"); $this->encryptIV = $this->decryptIV = str_pad(substr($this->iv, 0, $this->block_size), $this->block_size, "\0");
if (!$this->skip_key_adjustment) { 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");
} }
} }

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@ -344,17 +344,17 @@ class Crypt_Blowfish extends Crypt_Base
var $kl; var $kl;
/** /**
* The Key Length * The Key Length (in bytes)
* *
* @see Crypt_Base::setKeyLength() * @see Crypt_Base::setKeyLength()
* @var int * @var int
* @access private * @access private
* @internal The max value is 256 / 8 = 32, the min value is 128 / 8 = 16. Exists in conjunction with $Nk * @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 * because the encryption / decryption / key schedule creation requires this number and not $key_length. 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 * 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. * of that, we'll just precompute it once.
*/ */
var $key_size = 16; var $key_length = 16;
/** /**
* Sets the key length. * Sets the key length.
@ -367,11 +367,11 @@ class Crypt_Blowfish extends Crypt_Base
function setKeyLength($length) function setKeyLength($length)
{ {
if ($length < 32) { if ($length < 32) {
$this->key_size = 7; $this->key_length = 7;
} elseif ($length > 448) { } elseif ($length > 448) {
$this->key_size = 56; $this->key_length = 56;
} else { } else {
$this->key_size = $length >> 3; $this->key_length = $length >> 3;
} }
parent::setKeyLength($length); parent::setKeyLength($length);
@ -390,7 +390,7 @@ class Crypt_Blowfish extends Crypt_Base
function isValidEngine($engine) function isValidEngine($engine)
{ {
if ($engine == CRYPT_ENGINE_OPENSSL) { if ($engine == CRYPT_ENGINE_OPENSSL) {
if ($this->key_size != 16) { if ($this->key_length != 16) {
return false; return false;
} }
$this->cipher_name_openssl_ecb = 'bf-ecb'; $this->cipher_name_openssl_ecb = 'bf-ecb';

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@ -140,13 +140,13 @@ class Crypt_DES extends Crypt_Base
var $block_size = 8; var $block_size = 8;
/** /**
* Key Length * Key Length (in bytes)
* *
* @see Crypt_Base::setKeyLength() * @see Crypt_Base::setKeyLength()
* @var int * @var int
* @access private * @access private
*/ */
var $key_size = 8; var $key_length = 8;
/** /**
* The namespace used by the cipher for its constants. * The namespace used by the cipher for its constants.
@ -209,7 +209,7 @@ class Crypt_DES extends Crypt_Base
* @var string * @var string
* @access private * @access private
*/ */
var $key_size_max = 8; var $key_length_max = 8;
/** /**
* The Key Schedule * The Key Schedule
@ -663,7 +663,7 @@ class Crypt_DES extends Crypt_Base
*/ */
function isValidEngine($engine) function isValidEngine($engine)
{ {
if ($this->key_size_max == 8) { if ($this->key_length_max == 8) {
if ($engine == CRYPT_ENGINE_OPENSSL) { if ($engine == CRYPT_ENGINE_OPENSSL) {
$this->cipher_name_openssl_ecb = 'des-ecb'; $this->cipher_name_openssl_ecb = 'des-ecb';
$this->cipher_name_openssl = 'des-' . $this->_openssl_translate_mode(); $this->cipher_name_openssl = 'des-' . $this->_openssl_translate_mode();
@ -692,8 +692,8 @@ class Crypt_DES extends Crypt_Base
{ {
// We check/cut here only up to max length of the key. // We check/cut here only up to max length of the key.
// Key padding to the proper length will be done in _setupKey() // Key padding to the proper length will be done in _setupKey()
if (strlen($key) > $this->key_size_max) { if (strlen($key) > $this->key_length_max) {
$key = substr($key, 0, $this->key_size_max); $key = substr($key, 0, $this->key_length_max);
} }
// Sets the key // Sets the key

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@ -148,13 +148,13 @@ class Crypt_RC2 extends Crypt_Base
var $skip_key_adjustment = true; var $skip_key_adjustment = true;
/** /**
* Key Length * Key Length (in bytes)
* *
* @see Crypt_RC2::setKeyLength() * @see Crypt_RC2::setKeyLength()
* @var int * @var int
* @access private * @access private
*/ */
var $key_size = 16; // = 128 bits var $key_length = 16; // = 128 bits
/** /**
* The namespace used by the cipher for its constants. * The namespace used by the cipher for its constants.

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@ -99,13 +99,13 @@ class Crypt_RC4 extends Crypt_Base
var $block_size = 0; var $block_size = 0;
/** /**
* Key Length * Key Length (in bytes)
* *
* @see Crypt_RC4::setKeyLength() * @see Crypt_RC4::setKeyLength()
* @var int * @var int
* @access private * @access private
*/ */
var $key_size = 128; // = 1024 bits var $key_length = 128; // = 1024 bits
/** /**
* The namespace used by the cipher for its constants. * The namespace used by the cipher for its constants.
@ -232,11 +232,11 @@ class Crypt_RC4 extends Crypt_Base
function setKeyLength($length) function setKeyLength($length)
{ {
if ($length < 8) { if ($length < 8) {
$this->key_size = 1; $this->key_length = 1;
} elseif ($length > 2048) { } elseif ($length > 2048) {
$this->key_size = 248; $this->key_length = 248;
} else { } else {
$this->key_size = $length >> 3; $this->key_length = $length >> 3;
} }
parent::setKeyLength($length); parent::setKeyLength($length);

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@ -139,9 +139,9 @@ class Crypt_Rijndael extends Crypt_Base
/** /**
* The mcrypt specific name of the cipher * 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.
* Crypt_Rijndael determines automatically whether mcrypt is useable * 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. * In case of, $cipher_name_mcrypt will be set dynamically at run time accordingly.
* *
* @see Crypt_Base::cipher_name_mcrypt * @see Crypt_Base::cipher_name_mcrypt
@ -194,17 +194,17 @@ class Crypt_Rijndael extends Crypt_Base
var $Nb = 4; var $Nb = 4;
/** /**
* The Key Length * The Key Length (in bytes)
* *
* @see setKeyLength() * @see setKeyLength()
* @var int * @var int
* @access private * @access private
* @internal The max value is 256 / 8 = 32, the min value is 128 / 8 = 16. Exists in conjunction with $Nk * @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 * because the encryption / decryption / key schedule creation requires this number and not $key_length. 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 * 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. * of that, we'll just precompute it once.
*/ */
var $key_size = 16; var $key_length = 16;
/** /**
* The Key Length divided by 32 * The Key Length divided by 32
@ -293,19 +293,19 @@ class Crypt_Rijndael extends Crypt_Base
{ {
switch (true) { switch (true) {
case $length <= 128: case $length <= 128:
$this->key_size = 16; $this->key_length = 16;
break; break;
case $length <= 160: case $length <= 160:
$this->key_size = 20; $this->key_length = 20;
break; break;
case $length <= 192: case $length <= 192:
$this->key_size = 24; $this->key_length = 24;
break; break;
case $length <= 224: case $length <= 224:
$this->key_size = 28; $this->key_length = 28;
break; break;
default: default:
$this->key_size = 32; $this->key_length = 32;
} }
parent::setKeyLength($length); parent::setKeyLength($length);
@ -351,12 +351,12 @@ class Crypt_Rijndael extends Crypt_Base
if ($this->block_size != 16) { if ($this->block_size != 16) {
return false; return false;
} }
$this->cipher_name_openssl_ecb = 'aes-' . ($this->key_size << 3) . '-ecb'; $this->cipher_name_openssl_ecb = 'aes-' . ($this->key_length << 3) . '-ecb';
$this->cipher_name_openssl = 'aes-' . ($this->key_size << 3) . '-' . $this->_openssl_translate_mode(); $this->cipher_name_openssl = 'aes-' . ($this->key_length << 3) . '-' . $this->_openssl_translate_mode();
break; break;
case CRYPT_ENGINE_MCRYPT: case CRYPT_ENGINE_MCRYPT:
$this->cipher_name_mcrypt = 'rijndael-' . ($this->block_size << 3); $this->cipher_name_mcrypt = 'rijndael-' . ($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 // mcrypt is not usable for them, only for 128/192/256-bit keys
return false; return false;
} }
@ -575,13 +575,13 @@ class Crypt_Rijndael extends Crypt_Base
0x7D000000, 0xFA000000, 0xEF000000, 0xC5000000, 0x91000000 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 // already expanded
return; 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 // see Rijndael-ammended.pdf#page=44
$this->Nr = max($this->Nk, $this->Nb) + 6; $this->Nr = max($this->Nk, $this->Nb) + 6;

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@ -95,13 +95,13 @@ define('CRYPT_DES_MODE_CBC3', CRYPT_MODE_CBC3);
class Crypt_TripleDES extends Crypt_DES class Crypt_TripleDES extends Crypt_DES
{ {
/** /**
* Key Length * Key Length (in bytes)
* *
* @see Crypt_TripleDES::setKeyLength() * @see Crypt_TripleDES::setKeyLength()
* @var int * @var int
* @access private * @access private
*/ */
var $key_size = 24; var $key_length = 24;
/** /**
* The default salt used by setPassword() * The default salt used by setPassword()
@ -150,7 +150,7 @@ class Crypt_TripleDES extends Crypt_DES
* @var string * @var string
* @access private * @access private
*/ */
var $key_size_max = 24; var $key_length_max = 24;
/** /**
* Internal flag whether using CRYPT_DES_MODE_3CBC or not * Internal flag whether using CRYPT_DES_MODE_3CBC or not
@ -278,13 +278,13 @@ class Crypt_TripleDES extends Crypt_DES
$length >>= 3; $length >>= 3;
switch (true) { switch (true) {
case $length <= 8: case $length <= 8:
$this->key_size = 8; $this->key_length = 8;
break; break;
case $length <= 16: case $length <= 16:
$this->key_size = 16; $this->key_length = 16;
break; break;
default: default:
$this->key_size = 24; $this->key_length = 24;
} }
parent::setKeyLength($length); parent::setKeyLength($length);
@ -307,7 +307,7 @@ class Crypt_TripleDES extends Crypt_DES
*/ */
function setKey($key) function setKey($key)
{ {
$length = $this->explicit_key_length ? $this->key_size : strlen($key); $length = $this->explicit_key_length ? $this->key_length : strlen($key);
if ($length > 8) { if ($length > 8) {
$key = str_pad(substr($key, 0, 24), 24, chr(0)); $key = str_pad(substr($key, 0, 24), 24, chr(0));
// if $key is between 64 and 128-bits, use the first 64-bits as the last, per this: // if $key is between 64 and 128-bits, use the first 64-bits as the last, per this:

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@ -432,6 +432,15 @@ class Crypt_Twofish extends Crypt_Base
*/ */
var $kl; var $kl;
/**
* The Key Length (in bytes)
*
* @see Crypt_Twofish::setKeyLength()
* @var int
* @access private
*/
var $key_length = 16;
/** /**
* Sets the key length. * Sets the key length.
* *
@ -444,13 +453,13 @@ class Crypt_Twofish extends Crypt_Base
{ {
switch (true) { switch (true) {
case $length <= 128: case $length <= 128:
$this->key_size = 16; $this->key_length = 16;
break; break;
case $length <= 192: case $length <= 192:
$this->key_size = 24; $this->key_length = 24;
break; break;
default: default:
$this->key_size = 32; $this->key_length = 32;
} }
parent::setKeyLength($length); parent::setKeyLength($length);