/**
* Add signature key and sender certificate to an element (Message or Assertion).
*
* @param SimpleSAML_Configuration $srcMetadata The metadata of the sender.
* @param SimpleSAML_Configuration $dstMetadata The metadata of the recipient.
* @param SAML2_Message $element The element we should add the data to.
*/
public static function addSign(SimpleSAML_Configuration $srcMetadata, SimpleSAML_Configuration $dstMetadata, SAML2_SignedElement $element)
{
$keyArray = SimpleSAML_Utilities::loadPrivateKey($srcMetadata, TRUE);
$certArray = SimpleSAML_Utilities::loadPublicKey($srcMetadata, FALSE);
$algo = $dstMetadata->getString('signature.algorithm', NULL);
if ($algo === NULL) {
/*
* In the NIST Special Publication 800-131A, SHA-1 became deprecated for generating
* new digital signatures in 2011, and will be explicitly disallowed starting the 1st
* of January, 2014. We'll keep this as a default for the next release and mark it
* as deprecated, as part of the transition to SHA-256.
*
* See http://csrc.nist.gov/publications/nistpubs/800-131A/sp800-131A.pdf for more info.
*
* TODO: change default to XMLSecurityKey::RSA_SHA256.
*/
$algo = $srcMetadata->getString('signature.algorithm', XMLSecurityKey::RSA_SHA1);
}
$privateKey = new XMLSecurityKey($algo, array('type' => 'private'));
if (array_key_exists('password', $keyArray)) {
$privateKey->passphrase = $keyArray['password'];
}
$privateKey->loadKey($keyArray['PEM'], FALSE);
$element->setSignatureKey($privateKey);
if ($certArray === NULL) {
/* We don't have a certificate to add. */
return;
}
if (!array_key_exists('PEM', $certArray)) {
/* We have a public key with only a fingerprint. */
return;
}
$element->setCertificates(array($certArray['PEM']));
}
/**
* Add signature key and and senders certificate to an element (Message or Assertion).
*
* @param SimpleSAML_Configuration $srcMetadata The metadata of the sender.
* @param SimpleSAML_Configuration $dstMetadata The metadata of the recipient.
* @param SAML2_Message $element The element we should add the data to.
*/
public static function addSign(SimpleSAML_Configuration $srcMetadata, SimpleSAML_Configuration $dstMetadata, SAML2_SignedElement $element)
{
$keyArray = SimpleSAML_Utilities::loadPrivateKey($srcMetadata, TRUE);
$certArray = SimpleSAML_Utilities::loadPublicKey($srcMetadata, FALSE);
$privateKey = new XMLSecurityKey(XMLSecurityKey::RSA_SHA1, array('type' => 'private'));
if (array_key_exists('password', $keyArray)) {
$privateKey->passphrase = $keyArray['password'];
}
$privateKey->loadKey($keyArray['PEM'], FALSE);
$element->setSignatureKey($privateKey);
if ($certArray === NULL) {
/* We don't have a certificate to add. */
return;
}
if (!array_key_exists('PEM', $certArray)) {
/* We have a public key with only a fingerprint. */
return;
}
$element->setCertificates(array($certArray['PEM']));
}
/**
* Sign the generated EntitiesDescriptor.
*/
protected function addSignature(SAML2_SignedElement $element)
{
if ($this->signKey === NULL) {
return;
}
$privateKey = new XMLSecurityKey(XMLSecurityKey::RSA_SHA1, array('type' => 'private'));
if ($this->signKeyPass !== NULL) {
$privateKey->passphrase = $this->signKeyPass;
}
$privateKey->loadKey($this->signKey, FALSE);
$element->setSignatureKey($privateKey);
if ($this->signCert !== NULL) {
$element->setCertificates(array($this->signCert));
}
}