version 3.0

crypto/crypto_random.h

@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2010-2011 Juli Mallett. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef	CRYPTO_CRYPTO_RANDOM_H
+#define	CRYPTO_CRYPTO_RANDOM_H
+
+#include <event/action.h>
+#include <event/event_callback.h>
+
+////////////////////////////////////////////////////////////////////////////////
+//                                                                            //
+// File:           crypto_random.h                                            //
+// Description:    basic encryption machinery                                 //
+// Project:        WANProxy XTech                                             //
+// Adapted by:     Andreu Vidal Bramfeld-Software                             //
+// Last modified:  2015-04-01                                                 //
+//                                                                            //
+////////////////////////////////////////////////////////////////////////////////
+
+class CryptoRandomMethod;
+
+/*
+ * XXX
+ * Add a CryptoTypeBest, which will use whatever the best, available method is.
+ */
+enum CryptoRandomType {
+	CryptoTypeRNG,
+	CryptoTypePRNG,
+};
+
+class CryptoRandomSession {
+protected:
+	CryptoRandomSession(void)
+	{ }
+
+public:
+	virtual ~CryptoRandomSession()
+	{ }
+
+	//virtual Action *generate(size_t, EventCallback *) = 0;
+};
+
+class CryptoRandomMethod {
+protected:
+	CryptoRandomMethod(void)
+	{ }
+
+	virtual ~CryptoRandomMethod()
+	{ }
+public:
+	virtual bool generate(CryptoRandomType, size_t, Buffer *) const = 0;
+	virtual CryptoRandomSession *session(CryptoRandomType) const = 0;
+
+	/* XXX Registration API somehow.  */
+	static const CryptoRandomMethod *default_method;
+};
+
+#endif /* !CRYPTO_CRYPTO_RANDOM_H */