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class XMLSecurityKey in SAML SP 2.0 Single Sign On (SSO) - SAML Service Provider 7

Hierarchy

Expanded class hierarchy of XMLSecurityKey

File

includes/XMLSecurityKey.php, line 83

View source
class XMLSecurityKey {
  const TRIPLEDES_CBC = 'http://www.w3.org/2001/04/xmlenc#tripledes-cbc';
  const AES128_CBC = 'http://www.w3.org/2001/04/xmlenc#aes128-cbc';
  const AES192_CBC = 'http://www.w3.org/2001/04/xmlenc#aes192-cbc';
  const AES256_CBC = 'http://www.w3.org/2001/04/xmlenc#aes256-cbc';
  const RSA_1_5 = 'http://www.w3.org/2001/04/xmlenc#rsa-1_5';
  const RSA_OAEP_MGF1P = 'http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p';
  const DSA_SHA1 = 'http://www.w3.org/2000/09/xmldsig#dsa-sha1';
  const RSA_SHA1 = 'http://www.w3.org/2000/09/xmldsig#rsa-sha1';
  const RSA_SHA256 = 'http://www.w3.org/2001/04/xmldsig-more#rsa-sha256';
  const RSA_SHA384 = 'http://www.w3.org/2001/04/xmldsig-more#rsa-sha384';
  const RSA_SHA512 = 'http://www.w3.org/2001/04/xmldsig-more#rsa-sha512';
  const HMAC_SHA1 = 'http://www.w3.org/2000/09/xmldsig#hmac-sha1';

  /** @var array */
  private $cryptParams = array();

  /** @var int|string */
  public $type = 0;

  /** @var mixed|null */
  public $key = null;

  /** @var string */
  public $passphrase = "";

  /** @var string|null */
  public $iv = null;

  /** @var string|null */
  public $name = null;

  /** @var mixed|null */
  public $keyChain = null;

  /** @var bool */
  public $isEncrypted = false;

  /** @var XMLSecEnc|null */
  public $encryptedCtx = null;

  /** @var mixed|null */
  public $guid = null;

  /**
   * This variable contains the certificate as a string if this key represents an X509-certificate.
   * If this key doesn't represent a certificate, this will be null.
   * @var string|null
   */
  private $x509Certificate = null;

  /**
   * This variable contains the certificate thumbprint if we have loaded an X509-certificate.
   * @var string|null
   */
  private $X509Thumbprint = null;

  /**
   * @param string $type
   * @param null|array $params
   * @throws Exception
   */
  public function __construct($type, $params = null) {
    switch ($type) {
      case self::TRIPLEDES_CBC:
        $this->cryptParams['library'] = 'mcrypt';
        $this->cryptParams['cipher'] = MCRYPT_TRIPLEDES;
        $this->cryptParams['mode'] = MCRYPT_MODE_CBC;
        $this->cryptParams['method'] = 'http://www.w3.org/2001/04/xmlenc#tripledes-cbc';
        $this->cryptParams['keysize'] = 24;
        break;
      case self::AES128_CBC:
        $this->cryptParams['library'] = 'mcrypt';
        $this->cryptParams['cipher'] = MCRYPT_RIJNDAEL_128;
        $this->cryptParams['mode'] = MCRYPT_MODE_CBC;
        $this->cryptParams['method'] = 'http://www.w3.org/2001/04/xmlenc#aes128-cbc';
        $this->cryptParams['keysize'] = 16;
        break;
      case self::AES192_CBC:
        $this->cryptParams['library'] = 'mcrypt';
        $this->cryptParams['cipher'] = MCRYPT_RIJNDAEL_128;
        $this->cryptParams['mode'] = MCRYPT_MODE_CBC;
        $this->cryptParams['method'] = 'http://www.w3.org/2001/04/xmlenc#aes192-cbc';
        $this->cryptParams['keysize'] = 24;
        break;
      case self::AES256_CBC:
        $this->cryptParams['library'] = 'mcrypt';
        $this->cryptParams['cipher'] = MCRYPT_RIJNDAEL_128;
        $this->cryptParams['mode'] = MCRYPT_MODE_CBC;
        $this->cryptParams['method'] = 'http://www.w3.org/2001/04/xmlenc#aes256-cbc';
        $this->cryptParams['keysize'] = 32;
        break;
      case self::RSA_1_5:
        $this->cryptParams['library'] = 'openssl';
        $this->cryptParams['padding'] = OPENSSL_PKCS1_PADDING;
        $this->cryptParams['method'] = 'http://www.w3.org/2001/04/xmlenc#rsa-1_5';
        if (is_array($params) && !empty($params['type'])) {
          if ($params['type'] == 'public' || $params['type'] == 'private') {
            $this->cryptParams['type'] = $params['type'];
            break;
          }
        }
        throw new Exception('Certificate "type" (private/public) must be passed via parameters');
      case self::RSA_OAEP_MGF1P:
        $this->cryptParams['library'] = 'openssl';
        $this->cryptParams['padding'] = OPENSSL_PKCS1_OAEP_PADDING;
        $this->cryptParams['method'] = 'http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p';
        $this->cryptParams['hash'] = null;
        if (is_array($params) && !empty($params['type'])) {
          if ($params['type'] == 'public' || $params['type'] == 'private') {
            $this->cryptParams['type'] = $params['type'];
            break;
          }
        }
        throw new Exception('Certificate "type" (private/public) must be passed via parameters');
      case self::RSA_SHA1:
        $this->cryptParams['library'] = 'openssl';
        $this->cryptParams['method'] = 'http://www.w3.org/2000/09/xmldsig#rsa-sha1';
        $this->cryptParams['padding'] = OPENSSL_PKCS1_PADDING;
        if (is_array($params) && !empty($params['type'])) {
          if ($params['type'] == 'public' || $params['type'] == 'private') {
            $this->cryptParams['type'] = $params['type'];
            break;
          }
        }
        throw new Exception('Certificate "type" (private/public) must be passed via parameters');
      case self::RSA_SHA256:
        $this->cryptParams['library'] = 'openssl';
        $this->cryptParams['method'] = 'http://www.w3.org/2001/04/xmldsig-more#rsa-sha256';
        $this->cryptParams['padding'] = OPENSSL_PKCS1_PADDING;
        $this->cryptParams['digest'] = 'SHA256';
        if (is_array($params) && !empty($params['type'])) {
          if ($params['type'] == 'public' || $params['type'] == 'private') {
            $this->cryptParams['type'] = $params['type'];
            break;
          }
        }
        throw new Exception('Certificate "type" (private/public) must be passed via parameters');
      case self::RSA_SHA384:
        $this->cryptParams['library'] = 'openssl';
        $this->cryptParams['method'] = 'http://www.w3.org/2001/04/xmldsig-more#rsa-sha384';
        $this->cryptParams['padding'] = OPENSSL_PKCS1_PADDING;
        $this->cryptParams['digest'] = 'SHA384';
        if (is_array($params) && !empty($params['type'])) {
          if ($params['type'] == 'public' || $params['type'] == 'private') {
            $this->cryptParams['type'] = $params['type'];
            break;
          }
        }
        throw new Exception('Certificate "type" (private/public) must be passed via parameters');
      case self::RSA_SHA512:
        $this->cryptParams['library'] = 'openssl';
        $this->cryptParams['method'] = 'http://www.w3.org/2001/04/xmldsig-more#rsa-sha512';
        $this->cryptParams['padding'] = OPENSSL_PKCS1_PADDING;
        $this->cryptParams['digest'] = 'SHA512';
        if (is_array($params) && !empty($params['type'])) {
          if ($params['type'] == 'public' || $params['type'] == 'private') {
            $this->cryptParams['type'] = $params['type'];
            break;
          }
        }
        throw new Exception('Certificate "type" (private/public) must be passed via parameters');
      case self::HMAC_SHA1:
        $this->cryptParams['library'] = $type;
        $this->cryptParams['method'] = 'http://www.w3.org/2000/09/xmldsig#hmac-sha1';
        break;
      default:
        throw new Exception('Invalid Key Type');
    }
    $this->type = $type;
  }

  /**
   * Retrieve the key size for the symmetric encryption algorithm..
   *
   * If the key size is unknown, or this isn't a symmetric encryption algorithm,
   * null is returned.
   *
   * @return int|null  The number of bytes in the key.
   */
  public function getSymmetricKeySize() {
    if (!isset($this->cryptParams['keysize'])) {
      return null;
    }
    return $this->cryptParams['keysize'];
  }

  /**
   * Generates a session key using the openssl-extension or using the mcrypt-extension as a fallback.
   * In case of using DES3-CBC the key is checked for a proper parity bits set - Mcrypt doesn't care about the parity bits,
   * but others may care.
   * @return string
   * @throws Exception
   */
  public function generateSessionKey() {
    if (!isset($this->cryptParams['keysize'])) {
      throw new Exception('Unknown key size for type "' . $this->type . '".');
    }
    $keysize = $this->cryptParams['keysize'];
    if (function_exists('openssl_random_pseudo_bytes')) {

      /* We have PHP >= 5.3 - use openssl to generate session key. */
      $key = openssl_random_pseudo_bytes($keysize);
    }
    else {

      /* Generating random key using iv generation routines */
      $key = mcrypt_create_iv($keysize, MCRYPT_RAND);
    }
    if ($this->type === self::TRIPLEDES_CBC) {

      /* Make sure that the generated key has the proper parity bits set.
       * Mcrypt doesn't care about the parity bits, but others may care.
       */
      for ($i = 0; $i < strlen($key); $i++) {
        $byte = ord($key[$i]) & 0xfe;
        $parity = 1;
        for ($j = 1; $j < 8; $j++) {
          $parity ^= $byte >> $j & 1;
        }
        $byte |= $parity;
        $key[$i] = chr($byte);
      }
    }
    $this->key = $key;
    return $key;
  }

  /**
   * Get the raw thumbprint of a certificate
   *
   * @param string $cert
   * @return null|string
   */
  public static function getRawThumbprint($cert) {
    $arCert = explode("\n", $cert);
    $data = '';
    $inData = false;
    foreach ($arCert as $curData) {
      if (!$inData) {
        if (strncmp($curData, '-----BEGIN CERTIFICATE', 22) == 0) {
          $inData = true;
        }
      }
      else {
        if (strncmp($curData, '-----END CERTIFICATE', 20) == 0) {
          break;
        }
        $data .= trim($curData);
      }
    }
    if (!empty($data)) {
      return strtolower(sha1(base64_decode($data)));
    }
    return null;
  }

  /**
   * Loads the given key, or - with isFile set true - the key from the keyfile.
   *
   * @param string $key
   * @param bool $isFile
   * @param bool $isCert
   * @throws Exception
   */
  public function loadKey($key, $isFile = false, $isCert = false) {
    if ($isFile) {
      $this->key = file_get_contents($key);
    }
    else {
      $this->key = $key;
    }
    if ($isCert) {
      $this->key = openssl_x509_read($this->key);
      openssl_x509_export($this->key, $str_cert);
      $this->x509Certificate = $str_cert;
      $this->key = $str_cert;
    }
    else {
      $this->x509Certificate = null;
    }
    if ($this->cryptParams['library'] == 'openssl') {
      if ($this->cryptParams['type'] == 'public') {
        if ($isCert) {

          /* Load the thumbprint if this is an X509 certificate. */
          $this->X509Thumbprint = self::getRawThumbprint($this->key);
        }
        $this->key = openssl_get_publickey($this->key);
        if (!$this->key) {
          throw new Exception('Unable to extract public key');
        }
      }
      else {
        $this->key = openssl_get_privatekey($this->key, $this->passphrase);
      }
    }
    else {
      if ($this->cryptParams['cipher'] == MCRYPT_RIJNDAEL_128) {

        /* Check key length */
        switch ($this->type) {
          case self::AES256_CBC:
            if (strlen($this->key) < 25) {
              throw new Exception('Key must contain at least 25 characters for this cipher');
            }
            break;
          case self::AES192_CBC:
            if (strlen($this->key) < 17) {
              throw new Exception('Key must contain at least 17 characters for this cipher');
            }
            break;
        }
      }
    }
  }

  /**
   * Encrypts the given data (string) using the mcrypt-extension
   *
   * @param string $data
   * @return string
   */
  private function encryptMcrypt($data) {
    $td = mcrypt_module_open($this->cryptParams['cipher'], '', $this->cryptParams['mode'], '');
    $this->iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
    mcrypt_generic_init($td, $this->key, $this->iv);
    if ($this->cryptParams['mode'] == MCRYPT_MODE_CBC) {
      $bs = mcrypt_enc_get_block_size($td);
      for ($datalen0 = $datalen = strlen($data); $datalen % $bs != $bs - 1; $datalen++) {
        $data .= chr(mt_rand(1, 127));
      }
      $data .= chr($datalen - $datalen0 + 1);
    }
    $encrypted_data = $this->iv . mcrypt_generic($td, $data);
    mcrypt_generic_deinit($td);
    mcrypt_module_close($td);
    return $encrypted_data;
  }

  /**
   * Decrypts the given data (string) using the mcrypt-extension
   *
   * @param string $data
   * @return string
   */
  private function decryptMcrypt($data) {
    $td = mcrypt_module_open($this->cryptParams['cipher'], '', $this->cryptParams['mode'], '');
    $iv_length = mcrypt_enc_get_iv_size($td);
    $this->iv = substr($data, 0, $iv_length);
    $data = substr($data, $iv_length);
    mcrypt_generic_init($td, $this->key, $this->iv);
    $decrypted_data = mdecrypt_generic($td, $data);
    mcrypt_generic_deinit($td);
    mcrypt_module_close($td);
    if ($this->cryptParams['mode'] == MCRYPT_MODE_CBC) {
      $dataLen = strlen($decrypted_data);
      $paddingLength = substr($decrypted_data, $dataLen - 1, 1);
      $decrypted_data = substr($decrypted_data, 0, $dataLen - ord($paddingLength));
    }
    return $decrypted_data;
  }

  /**
   * Encrypts the given data (string) using the openssl-extension
   *
   * @param string $data
   * @return string
   * @throws Exception
   */
  private function encryptOpenSSL($data) {
    if ($this->cryptParams['type'] == 'public') {
      if (!openssl_public_encrypt($data, $encrypted_data, $this->key, $this->cryptParams['padding'])) {
        throw new Exception('Failure encrypting Data');
      }
    }
    else {
      if (!openssl_private_encrypt($data, $encrypted_data, $this->key, $this->cryptParams['padding'])) {
        throw new Exception('Failure encrypting Data');
      }
    }
    return $encrypted_data;
  }

  /**
   * Decrypts the given data (string) using the openssl-extension
   *
   * @param string $data
   * @return string
   * @throws Exception
   */
  private function decryptOpenSSL($data) {
    if ($this->cryptParams['type'] == 'public') {
      if (!openssl_public_decrypt($data, $decrypted, $this->key, $this->cryptParams['padding'])) {
        throw new Exception('Failure decrypting Data');
      }
    }
    else {
      if (!openssl_private_decrypt($data, $decrypted, $this->key, $this->cryptParams['padding'])) {
        throw new Exception('Failure decrypting Data');
      }
    }
    return $decrypted;
  }

  /**
   * Signs the given data (string) using the openssl-extension
   *
   * @param string $data
   * @return string
   * @throws Exception
   */
  private function signOpenSSL($data) {
    $algo = OPENSSL_ALGO_SHA1;
    if (!empty($this->cryptParams['digest'])) {
      $algo = $this->cryptParams['digest'];
    }
    if (!openssl_sign($data, $signature, $this->key, $algo)) {
      throw new Exception('Failure Signing Data: ' . openssl_error_string() . ' - ' . $algo);
    }
    return $signature;
  }

  /**
   * Verifies the given data (string) belonging to the given signature using the openssl-extension
   *
   * Returns:
   *  1 on succesful signature verification,
   *  0 when signature verification failed,
   *  -1 if an error occurred during processing.
   *
   * NOTE: be very careful when checking the return value, because in PHP,
   * -1 will be cast to True when in boolean context. So always check the
   * return value in a strictly typed way, e.g. "$obj->verify(...) === 1".
   *
   * @param string $data
   * @param string $signature
   * @return int
   */
  private function verifyOpenSSL($data, $signature) {
    $algo = OPENSSL_ALGO_SHA1;
    if (!empty($this->cryptParams['digest'])) {
      $algo = $this->cryptParams['digest'];
    }
    return openssl_verify($data, $signature, $this->key, $algo);
  }

  /**
   * Encrypts the given data (string) using the regarding php-extension, depending on the library assigned to algorithm in the contructor.
   *
   * @param string $data
   * @return mixed|string
   */
  public function encryptData($data) {
    switch ($this->cryptParams['library']) {
      case 'mcrypt':
        return $this
          ->encryptMcrypt($data);
      case 'openssl':
        return $this
          ->encryptOpenSSL($data);
    }
  }

  /**
   * Decrypts the given data (string) using the regarding php-extension, depending on the library assigned to algorithm in the contructor.
   *
   * @param string $data
   * @return mixed|string
   */
  public function decryptData($data) {
    switch ($this->cryptParams['library']) {
      case 'mcrypt':
        return $this
          ->decryptMcrypt($data);
      case 'openssl':
        return $this
          ->decryptOpenSSL($data);
    }
  }

  /**
   * Signs the data (string) using the extension assigned to the type in the constructor.
   *
   * @param string $data
   * @return mixed|string
   */
  public function signData($data) {
    switch ($this->cryptParams['library']) {
      case 'openssl':
        return $this
          ->signOpenSSL($data);
      case self::HMAC_SHA1:
        return hash_hmac("sha1", $data, $this->key, true);
    }
  }

  /**
   * Verifies the data (string) against the given signature using the extension assigned to the type in the constructor.
   *
   * Returns in case of openSSL:
   *  1 on succesful signature verification,
   *  0 when signature verification failed,
   *  -1 if an error occurred during processing.
   *
   * NOTE: be very careful when checking the return value, because in PHP,
   * -1 will be cast to True when in boolean context. So always check the
   * return value in a strictly typed way, e.g. "$obj->verify(...) === 1".
   *
   * @param string $data
   * @param string $signature
   * @return bool|int
   */
  public function verifySignature($data, $signature) {
    switch ($this->cryptParams['library']) {
      case 'openssl':
        return $this
          ->verifyOpenSSL($data, $signature);
      case self::HMAC_SHA1:
        $expectedSignature = hash_hmac("sha1", $data, $this->key, true);
        return strcmp($signature, $expectedSignature) == 0;
    }
  }

  /**
   * @return mixed
   * @see getAlgorithm()
   * @deprecated
   */
  public function getAlgorith() {
    return $this
      ->getAlgorithm();
  }

  /**
   * @return mixed
   */
  public function getAlgorithm() {
    return $this->cryptParams['method'];
  }

  /**
   *
   * @param int $type
   * @param string $string
   * @return null|string
   */
  public static function makeAsnSegment($type, $string) {
    switch ($type) {
      case 0x2:
        if (ord($string) > 0x7f) {
          $string = chr(0) . $string;
        }
        break;
      case 0x3:
        $string = chr(0) . $string;
        break;
    }
    $length = strlen($string);
    if ($length < 128) {
      $output = sprintf("%c%c%s", $type, $length, $string);
    }
    else {
      if ($length < 0x100) {
        $output = sprintf("%c%c%c%s", $type, 0x81, $length, $string);
      }
      else {
        if ($length < 0x10000) {
          $output = sprintf("%c%c%c%c%s", $type, 0x82, $length / 0x100, $length % 0x100, $string);
        }
        else {
          $output = null;
        }
      }
    }
    return $output;
  }

  /**
   *
   * Hint: Modulus and Exponent must already be base64 decoded
   * @param string $modulus
   * @param string $exponent
   * @return string
   */
  public static function convertRSA($modulus, $exponent) {

    /* make an ASN publicKeyInfo */
    $exponentEncoding = self::makeAsnSegment(0x2, $exponent);
    $modulusEncoding = self::makeAsnSegment(0x2, $modulus);
    $sequenceEncoding = self::makeAsnSegment(0x30, $modulusEncoding . $exponentEncoding);
    $bitstringEncoding = self::makeAsnSegment(0x3, $sequenceEncoding);
    $rsaAlgorithmIdentifier = pack("H*", "300D06092A864886F70D0101010500");
    $publicKeyInfo = self::makeAsnSegment(0x30, $rsaAlgorithmIdentifier . $bitstringEncoding);

    /* encode the publicKeyInfo in base64 and add PEM brackets */
    $publicKeyInfoBase64 = base64_encode($publicKeyInfo);
    $encoding = "-----BEGIN PUBLIC KEY-----\n";
    $offset = 0;
    while ($segment = substr($publicKeyInfoBase64, $offset, 64)) {
      $encoding = $encoding . $segment . "\n";
      $offset += 64;
    }
    return $encoding . "-----END PUBLIC KEY-----\n";
  }

  /**
   * @param mixed $parent
   */
  public function serializeKey($parent) {
  }

  /**
   * Retrieve the X509 certificate this key represents.
   *
   * Will return the X509 certificate in PEM-format if this key represents
   * an X509 certificate.
   *
   * @return string The X509 certificate or null if this key doesn't represent an X509-certificate.
   */
  public function getX509Certificate() {
    return $this->x509Certificate;
  }

  /**
   * Get the thumbprint of this X509 certificate.
   *
   * Returns:
   *  The thumbprint as a lowercase 40-character hexadecimal number, or null
   *  if this isn't a X509 certificate.
   *
   * @return string Lowercase 40-character hexadecimal number of thumbprint
   */
  public function getX509Thumbprint() {
    return $this->X509Thumbprint;
  }

  /**
   * Create key from an EncryptedKey-element.
   *
   * @param DOMElement $element The EncryptedKey-element.
   * @return XMLSecurityKey The new key.
   * @throws Exception
   *
   */
  public static function fromEncryptedKeyElement(DOMElement $element) {
    $objenc = new XMLSecEnc();
    $objenc
      ->setNode($element);
    if (!($objKey = $objenc
      ->locateKey())) {
      throw new Exception("Unable to locate algorithm for this Encrypted Key");
    }
    $objKey->isEncrypted = true;
    $objKey->encryptedCtx = $objenc;
    XMLSecEnc::staticLocateKeyInfo($objKey, $element);
    return $objKey;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
XMLSecurityKey::$cryptParams private property @var array
XMLSecurityKey::$encryptedCtx public property @var XMLSecEnc|null
XMLSecurityKey::$guid public property @var mixed|null
XMLSecurityKey::$isEncrypted public property @var bool
XMLSecurityKey::$iv public property @var string|null
XMLSecurityKey::$key public property @var mixed|null
XMLSecurityKey::$keyChain public property @var mixed|null
XMLSecurityKey::$name public property @var string|null
XMLSecurityKey::$passphrase public property @var string
XMLSecurityKey::$type public property @var int|string
XMLSecurityKey::$x509Certificate private property This variable contains the certificate as a string if this key represents an X509-certificate. If this key doesn't represent a certificate, this will be null.
XMLSecurityKey::$X509Thumbprint private property This variable contains the certificate thumbprint if we have loaded an X509-certificate.
XMLSecurityKey::AES128_CBC constant
XMLSecurityKey::AES192_CBC constant
XMLSecurityKey::AES256_CBC constant
XMLSecurityKey::convertRSA public static function Hint: Modulus and Exponent must already be base64 decoded
XMLSecurityKey::decryptData public function Decrypts the given data (string) using the regarding php-extension, depending on the library assigned to algorithm in the contructor.
XMLSecurityKey::decryptMcrypt private function Decrypts the given data (string) using the mcrypt-extension
XMLSecurityKey::decryptOpenSSL private function Decrypts the given data (string) using the openssl-extension
XMLSecurityKey::DSA_SHA1 constant
XMLSecurityKey::encryptData public function Encrypts the given data (string) using the regarding php-extension, depending on the library assigned to algorithm in the contructor.
XMLSecurityKey::encryptMcrypt private function Encrypts the given data (string) using the mcrypt-extension
XMLSecurityKey::encryptOpenSSL private function Encrypts the given data (string) using the openssl-extension
XMLSecurityKey::fromEncryptedKeyElement public static function Create key from an EncryptedKey-element.
XMLSecurityKey::generateSessionKey public function Generates a session key using the openssl-extension or using the mcrypt-extension as a fallback. In case of using DES3-CBC the key is checked for a proper parity bits set - Mcrypt doesn't care about the parity bits, but others may care.
XMLSecurityKey::getAlgorith public function
XMLSecurityKey::getAlgorithm public function
XMLSecurityKey::getRawThumbprint public static function Get the raw thumbprint of a certificate
XMLSecurityKey::getSymmetricKeySize public function Retrieve the key size for the symmetric encryption algorithm..
XMLSecurityKey::getX509Certificate public function Retrieve the X509 certificate this key represents.
XMLSecurityKey::getX509Thumbprint public function Get the thumbprint of this X509 certificate.
XMLSecurityKey::HMAC_SHA1 constant
XMLSecurityKey::loadKey public function Loads the given key, or - with isFile set true - the key from the keyfile.
XMLSecurityKey::makeAsnSegment public static function
XMLSecurityKey::RSA_1_5 constant
XMLSecurityKey::RSA_OAEP_MGF1P constant
XMLSecurityKey::RSA_SHA1 constant
XMLSecurityKey::RSA_SHA256 constant
XMLSecurityKey::RSA_SHA384 constant
XMLSecurityKey::RSA_SHA512 constant
XMLSecurityKey::serializeKey public function
XMLSecurityKey::signData public function Signs the data (string) using the extension assigned to the type in the constructor.
XMLSecurityKey::signOpenSSL private function Signs the given data (string) using the openssl-extension
XMLSecurityKey::TRIPLEDES_CBC constant
XMLSecurityKey::verifyOpenSSL private function Verifies the given data (string) belonging to the given signature using the openssl-extension
XMLSecurityKey::verifySignature public function Verifies the data (string) against the given signature using the extension assigned to the type in the constructor.
XMLSecurityKey::__construct public function