1 files changed, 4 insertions, 0 deletions
diff --git a/Swiften/SASL/DIGESTMD5ClientAuthenticator.cpp b/Swiften/SASL/DIGESTMD5ClientAuthenticator.cpp
index 5e78ee2..249a538 100644
--- a/Swiften/SASL/DIGESTMD5ClientAuthenticator.cpp
+++ b/Swiften/SASL/DIGESTMD5ClientAuthenticator.cpp
@@ -12,18 +12,22 @@
 #include <Swiften/StringCodecs/Hexify.h>
 #include <Swiften/Base/Concat.h>
 #include <Swiften/Base/Algorithm.h>
 
 namespace Swift {
 
 DIGESTMD5ClientAuthenticator::DIGESTMD5ClientAuthenticator(const std::string& host, const std::string& nonce) : ClientAuthenticator("DIGEST-MD5"), step(Initial), host(host), cnonce(nonce) {
 }
 
+bool DIGESTMD5ClientAuthenticator::canBeUsed() {
+	return MD5::isAllowedForCrypto();
+}
+
 boost::optional<SafeByteArray> DIGESTMD5ClientAuthenticator::getResponse() const {
 	if (step == Initial) {
 		return boost::optional<SafeByteArray>();
 	}
 	else if (step == Response) {
 		std::string realm;
 		if (challenge.getValue("realm")) {
 			realm = *challenge.getValue("realm");
 		}