Initial sshsm project structure

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

1 files changed, 162 insertions, 0 deletions

diff --git a/SoftHSMv2/src/lib/crypto/BotanDSAPublicKey.cpp b/SoftHSMv2/src/lib/crypto/BotanDSAPublicKey.cpp
new file mode 100644
index 0000000..a1593d6
--- /dev/null
+++ b/SoftHSMv2/src/lib/crypto/BotanDSAPublicKey.cpp
@@ -0,0 +1,162 @@
+/*
+ * 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.
+ */
+
+/*****************************************************************************
+ BotanDSAPublicKey.cpp
+
+ Botan DSA public key class
+ *****************************************************************************/
+
+#include "config.h"
+#include "log.h"
+#include "BotanDSAPublicKey.h"
+#include "BotanUtil.h"
+#include <string.h>
+
+// Constructors
+BotanDSAPublicKey::BotanDSAPublicKey()
+{
+	dsa = NULL;
+}
+
+BotanDSAPublicKey::BotanDSAPublicKey(const Botan::DSA_PublicKey* inDSA)
+{
+	dsa = NULL;
+
+	setFromBotan(inDSA);
+}
+
+// Destructor
+BotanDSAPublicKey::~BotanDSAPublicKey()
+{
+	delete dsa;
+}
+
+// The type
+/*static*/ const char* BotanDSAPublicKey::type = "Botan DSA Public Key";
+
+// Set from Botan representation
+void BotanDSAPublicKey::setFromBotan(const Botan::DSA_PublicKey* inDSA)
+{
+	ByteString inP = BotanUtil::bigInt2ByteString(inDSA->group_p());
+	setP(inP);
+	ByteString inQ = BotanUtil::bigInt2ByteString(inDSA->group_q());
+	setQ(inQ);
+	ByteString inG = BotanUtil::bigInt2ByteString(inDSA->group_g());
+	setG(inG);
+	ByteString inY = BotanUtil::bigInt2ByteString(inDSA->get_y());
+	setY(inY);
+}
+
+// Check if the key is of the given type
+bool BotanDSAPublicKey::isOfType(const char* inType)
+{
+	return !strcmp(type, inType);
+}
+
+// Setters for the DSA public key components
+void BotanDSAPublicKey::setP(const ByteString& inP)
+{
+	DSAPublicKey::setP(inP);
+
+	if (dsa)
+	{
+		delete dsa;
+		dsa = NULL;
+	}
+}
+
+void BotanDSAPublicKey::setQ(const ByteString& inQ)
+{
+	DSAPublicKey::setQ(inQ);
+
+	if (dsa)
+	{
+		delete dsa;
+		dsa = NULL;
+	}
+}
+
+void BotanDSAPublicKey::setG(const ByteString& inG)
+{
+	DSAPublicKey::setG(inG);
+
+	if (dsa)
+	{
+		delete dsa;
+		dsa = NULL;
+	}
+}
+
+void BotanDSAPublicKey::setY(const ByteString& inY)
+{
+	DSAPublicKey::setY(inY);
+
+	if (dsa)
+	{
+		delete dsa;
+		dsa = NULL;
+	}
+}
+
+// Retrieve the Botan representation of the key
+Botan::DSA_PublicKey* BotanDSAPublicKey::getBotanKey()
+{
+	if (!dsa)
+	{
+		createBotanKey();
+	}
+
+	return dsa;
+}
+
+// Create the Botan representation of the key
+void BotanDSAPublicKey::createBotanKey()
+{
+	// We actually do not need to check q, since it can be set zero
+	if (p.size() != 0 &&
+	    g.size() != 0 &&
+	    y.size() != 0)
+	{
+		if (dsa)
+		{
+			delete dsa;
+			dsa = NULL;
+		}
+
+		try
+		{
+			dsa = new Botan::DSA_PublicKey(Botan::DL_Group(BotanUtil::byteString2bigInt(p),
+							BotanUtil::byteString2bigInt(q),
+							BotanUtil::byteString2bigInt(g)),
+							BotanUtil::byteString2bigInt(y));
+		}
+		catch (...)
+		{
+			ERROR_MSG("Could not create the Botan public key");
+		}
+	}
+}