/** * Sets the password. * * Depending on what $method is set to, setPassword()'s (optional) parameters are as follows: * {@link http://en.wikipedia.org/wiki/PBKDF2 pbkdf2}: * $hash, $salt, $method * Set $dkLen by calling setKeyLength() * * @param String $password * @param optional String $method * @access public */ function setPassword($password, $method = 'pbkdf2') { $key = ''; switch ($method) { default: // 'pbkdf2' list(, , $hash, $salt, $count) = func_get_args(); if (!isset($hash)) { $hash = 'sha1'; } // WPA and WPA2 use the SSID as the salt if (!isset($salt)) { $salt = 'phpseclib'; } // RFC2898#section-4.2 uses 1,000 iterations by default // WPA and WPA2 use 4,096. if (!isset($count)) { $count = 1000; } if (!class_exists('Crypt_Hash')) { require_once 'Crypt/Hash.php'; } $i = 1; while (strlen($key) < $this->key_size) { // $dkLen == $this->key_size //$dk.= $this->_pbkdf($password, $salt, $count, $i++); $hmac = new Crypt_Hash(); $hmac->setHash($hash); $hmac->setKey($password); $f = $u = $hmac->hash($salt . pack('N', $i++)); for ($j = 2; $j <= $count; $j++) { $u = $hmac->hash($u); $f ^= $u; } $key .= $f; } } $this->setKey(substr($key, 0, $this->key_size)); }
/** * Sets the password. * * Depending on what $method is set to, setPassword()'s (optional) parameters are as follows: * {@link http://en.wikipedia.org/wiki/PBKDF2 pbkdf2}: * $hash, $salt, $count, $dkLen * * Where $hash (default = sha1) currently supports the following hashes: see: Crypt/Hash.php * * Note: Could, but not must, extend by the child Crypt_* class * * @see Crypt/Hash.php * @param String $password * @param optional String $method * @access public */ function setPassword($password, $method = 'pbkdf2') { $key = ''; switch ($method) { default: // 'pbkdf2' $func_args = func_get_args(); // Hash function $hash = isset($func_args[2]) ? $func_args[2] : 'sha1'; // WPA and WPA2 use the SSID as the salt $salt = isset($func_args[3]) ? $func_args[3] : $this->password_default_salt; // RFC2898#section-4.2 uses 1,000 iterations by default // WPA and WPA2 use 4,096. $count = isset($func_args[4]) ? $func_args[4] : 1000; // Keylength $dkLen = isset($func_args[5]) ? $func_args[5] : $this->password_key_size; // Determining if php[>=5.5.0]'s hash_pbkdf2() function avail- and useable switch (true) { case !function_exists('hash_pbkdf2'): case !function_exists('hash_algos'): case !in_array($hash, hash_algos()): if (!class_exists('Crypt_Hash')) { require_once 'Crypt/Hash.php'; } $i = 1; while (strlen($key) < $dkLen) { $hmac = new Crypt_Hash(); $hmac->setHash($hash); $hmac->setKey($password); $f = $u = $hmac->hash($salt . pack('N', $i++)); for ($j = 2; $j <= $count; ++$j) { $u = $hmac->hash($u); $f ^= $u; } $key .= $f; } $key = substr($key, 0, $dkLen); break; default: $key = hash_pbkdf2($hash, $password, $salt, $count, $dkLen, true); } } $this->setKey($key); }
public function setPassword($password, $method = 'pbkdf2') { $key = ''; list(, , $hash, $salt, $count) = func_get_args(); if (!isset($hash)) { $hash = 'sha1'; } if (!isset($salt)) { $salt = 'phpseclib'; } if (!isset($count)) { $count = 1000; } if (!class_exists('Crypt_Hash')) { require_once 'Crypt/Hash.php'; } $i = 1; while (strlen($key) < $this->key_size) { $hmac = new Crypt_Hash(); $hmac->setHash($hash); $hmac->setKey($password); $f = $u = $hmac->hash($salt . pack('N', $i++)); for ($j = 2; $j <= $count; $j++) { $u = $hmac->hash($u); $f ^= $u; } $key .= $f; } $this->setKey(substr($key, 0, $this->key_size)); }
/** * Sets the password. * * Depending on what $method is set to, setPassword()'s (optional) parameters are as follows: * {@link http://en.wikipedia.org/wiki/PBKDF2 pbkdf2} or pbkdf1: * $hash, $salt, $count, $dkLen * * Where $hash (default = sha1) currently supports the following hashes: see: Crypt/Hash.php * * Note: Could, but not must, extend by the child Crypt_* class * * @see Crypt/Hash.php * @param String $password * @param optional String $method * @return Boolean * @access public */ function setPassword($password, $method = 'pbkdf2') { $key = ''; switch ($method) { default: // 'pbkdf2' or 'pbkdf1' $func_args = func_get_args(); // Hash function $hash = isset($func_args[2]) ? $func_args[2] : 'sha1'; // WPA and WPA2 use the SSID as the salt $salt = isset($func_args[3]) ? $func_args[3] : $this->password_default_salt; // RFC2898#section-4.2 uses 1,000 iterations by default // WPA and WPA2 use 4,096. $count = isset($func_args[4]) ? $func_args[4] : 1000; // Keylength if (isset($func_args[5])) { $dkLen = $func_args[5]; } else { $dkLen = $method == 'pbkdf1' ? 2 * $this->password_key_size : $this->password_key_size; } switch (true) { case $method == 'pbkdf1': if (!class_exists('Crypt_Hash')) { include_once 'Crypt/Hash.php'; } $hashObj = new Crypt_Hash(); $hashObj->setHash($hash); if ($dkLen > $hashObj->getLength()) { user_error('Derived key too long'); return false; } $t = $password . $salt; for ($i = 0; $i < $count; ++$i) { $t = $hashObj->hash($t); } $key = substr($t, 0, $dkLen); $this->setKey(substr($key, 0, $dkLen >> 1)); $this->setIV(substr($key, $dkLen >> 1)); return true; // Determining if php[>=5.5.0]'s hash_pbkdf2() function avail- and useable // Determining if php[>=5.5.0]'s hash_pbkdf2() function avail- and useable case !function_exists('hash_pbkdf2'): case !function_exists('hash_algos'): case !in_array($hash, hash_algos()): if (!class_exists('Crypt_Hash')) { include_once 'Crypt/Hash.php'; } $i = 1; while (strlen($key) < $dkLen) { $hmac = new Crypt_Hash(); $hmac->setHash($hash); $hmac->setKey($password); $f = $u = $hmac->hash($salt . pack('N', $i++)); for ($j = 2; $j <= $count; ++$j) { $u = $hmac->hash($u); $f ^= $u; } $key .= $f; } $key = substr($key, 0, $dkLen); break; default: $key = hash_pbkdf2($hash, $password, $salt, $count, $dkLen, true); } } $this->setKey($key); return true; }
public function setPassword($password, $method) { $key = ""; switch (1) { default: list(, , $hash, $salt, $count) = func_get_args(); if (!$hash) { $hash = "sha1"; } if (!$salt) { $salt = "phpseclib"; } if (!$count) { $count = 1000; } if (!class_exists("Crypt_Hash")) { require_once "Crypt/Hash.php"; } $i = 1; while (strlen($key) < $this->key_size) { $hmac = new Crypt_Hash(); $hmac->setHash($hash); $hmac->setKey($password); $f = $u = $hmac->hash($salt . pack("N", $i++)); for ($j = 2; $j <= $count; $j++) { $u = $hmac->hash($u); $f ^= $u; } $key .= $f; } } $this->setKey(substr($key, 0, $this->key_size)); }