Initial sshsm project structure

Issue-ID: AAF-94
Change-Id: I5e82fff418e7567b161acf9b98013a9b85ffc5b4
Signed-off-by: NingSun <ning.sun@intel.com>

1 files changed, 87 insertions, 0 deletions

diff --git a/SoftHSMv2/src/lib/crypto/BotanRNG.cpp b/SoftHSMv2/src/lib/crypto/BotanRNG.cpp
new file mode 100644
index 0000000..fa6509d
--- /dev/null
+++ b/SoftHSMv2/src/lib/crypto/BotanRNG.cpp
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2010 .SE (The Internet Infrastructure Foundation)
+ * 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 THE AUTHOR ``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 THE AUTHOR 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.
+ */
+
+/*****************************************************************************
+ BOTANRNG.cpp
+
+ Botan random number generator class
+ *****************************************************************************/
+
+#include "config.h"
+#include "BotanRNG.h"
+
+#include <botan/version.h>
+
+#if BOTAN_VERSION_CODE < BOTAN_VERSION_CODE_FOR(1,11,14)
+#include <botan/libstate.h>
+#else
+#include <botan/auto_rng.h>
+#endif
+
+// Base constructor
+BotanRNG::BotanRNG()
+{
+#if BOTAN_VERSION_CODE < BOTAN_VERSION_CODE_FOR(1,11,14)
+	rng = &Botan::global_state().global_rng();
+#else
+	rng = new Botan::AutoSeeded_RNG();
+#endif
+}
+
+// Destructor
+BotanRNG::~BotanRNG()
+{
+#if BOTAN_VERSION_CODE >= BOTAN_VERSION_CODE_FOR(1,11,14)
+	delete rng;
+#endif
+}
+
+// Generate random data
+bool BotanRNG::generateRandom(ByteString& data, const size_t len)
+{
+	data.wipe(len);
+
+	if (len > 0)
+		rng->randomize(&data[0], len);
+
+	return true;
+}
+
+// Seed the random pool
+void BotanRNG::seed(ByteString& seedData)
+{
+	rng->add_entropy(seedData.byte_str(), seedData.size());
+	// add_entropy will make sure the RNG is reseed so we do not need to call it.
+	// Made this change bacuase of API changes in Botan 1.11.31,
+	// but the statement above is also true for Botan 1.10.
+	// rng->reseed(seedData.size());
+}
+
+// Get the RNG
+Botan::RandomNumberGenerator* BotanRNG::getRNG()
+{
+	return rng;
+}