2 files changed, 5 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
@@ -18,6 +18,10 @@ 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>();
diff --git a/Swiften/SASL/DIGESTMD5ClientAuthenticator.h b/Swiften/SASL/DIGESTMD5ClientAuthenticator.h
index 55bd592..7ced962 100644
--- a/Swiften/SASL/DIGESTMD5ClientAuthenticator.h
+++ b/Swiften/SASL/DIGESTMD5ClientAuthenticator.h
@@ -21,6 +21,7 @@ namespace Swift {
 			
 			virtual boost::optional<SafeByteArray> getResponse() const;
 			virtual bool setChallenge(const boost::optional<std::vector<unsigned char> >&);
+			static bool canBeUsed();
 
 		private:
 			enum Step {