/**
* @param \HttpDigest\Algorithm\AlgorithmInterface $algorithm
* @param string|\Psr\Http\Message\StreamInterface $data
*
* @return string
*/
private function getHash(AlgorithmInterface $algorithm, $data)
{
if ($data instanceof StreamInterface) {
$hash = $algorithm->getHashOfStream($data);
} else {
$hash = $algorithm->getHash($data);
}
if ($algorithm->getDigestSize() / 4 < strlen($hash)) {
$hash = substr($hash, 0, $algorithm->getDigestSize() / 4);
}
return $hash;
}
/**
* @param \HttpDigest\Algorithm\AlgorithmInterface $scheme_algorithm
*/
public function addSchemeAlgorithms(AlgorithmInterface $scheme_algorithm)
{
if (!$this->hasSchemeAlgorithm($scheme_algorithm->getName())) {
$this->scheme_algorithms[$scheme_algorithm->getName()] = $scheme_algorithm;
}
}
