public function XMLSecurityDSig::calculateDigest in SAML SP 2.0 Single Sign On (SSO) - SAML Service Provider 7

Parameters

string $digestAlgorithm:

string $data:

bool $encode:

Return value

string

Throws

Exception

2 calls to XMLSecurityDSig::calculateDigest()

XMLSecurityDSig::addRefInternal in includes/XMLSecurityKey.php

XMLSecurityDSig::validateDigest in includes/XMLSecurityKey.php

File

includes/XMLSecurityKey.php, line 1035

Class

XMLSecurityDSig

Code

public function calculateDigest($digestAlgorithm, $data, $encode = true) {
  switch ($digestAlgorithm) {
    case self::SHA1:
      $alg = 'sha1';
      break;
    case self::SHA256:
      $alg = 'sha256';
      break;
    case self::SHA384:
      $alg = 'sha384';
      break;
    case self::SHA512:
      $alg = 'sha512';
      break;
    case self::RIPEMD160:
      $alg = 'ripemd160';
      break;
    default:
      throw new Exception("Cannot validate digest: Unsupported Algorithm <{$digestAlgorithm}>");
  }
  $digest = hash($alg, $data, true);
  if ($encode) {
    $digest = base64_encode($digest);
  }
  return $digest;
}