1 files changed, 39 insertions, 0 deletions
diff --git a/Swiften/Crypto/CryptoProvider.h b/Swiften/Crypto/CryptoProvider.h
new file mode 100644
index 0000000..afee8c4
--- /dev/null
+++ b/Swiften/Crypto/CryptoProvider.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2013 Remko Tronçon
+ * Licensed under the GNU General Public License.
+ * See the COPYING file for more information.
+ */
+
+#pragma once
+
+#include <Swiften/Base/ByteArray.h>
+#include <Swiften/Base/SafeByteArray.h>
+#include <Swiften/Crypto/Hash.h>
+
+namespace Swift {
+	class Hash;
+
+	class CryptoProvider {
+		public:
+			virtual ~CryptoProvider();
+
+			virtual Hash* createSHA1() = 0;
+			virtual Hash* createMD5() = 0;
+			virtual Hash* createHMACSHA1(const SafeByteArray& key) = 0;
+			virtual Hash* createHMACSHA1(const ByteArray& key) = 0;
+			virtual bool isMD5AllowedForCrypto() const = 0;
+
+			// Convenience
+			template<typename T> ByteArray getSHA1Hash(const T& data) {
+				return boost::shared_ptr<Hash>(createSHA1())->update(data).getHash();
+			}
+
+			template<typename T> ByteArray getMD5Hash(const T& data) {
+				return boost::shared_ptr<Hash>(createMD5())->update(data).getHash();
+			}
+
+			template<typename T, typename U> ByteArray getHMACSHA1(const T& key, const U& data) {
+				return boost::shared_ptr<Hash>(createHMACSHA1(key))->update(data).getHash();
+			}
+	};
+}