1 files changed, 131 insertions, 0 deletions
diff --git a/SoftHSMv2/src/lib/crypto/BotanRSAPublicKey.cpp b/SoftHSMv2/src/lib/crypto/BotanRSAPublicKey.cpp
new file mode 100644
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--- /dev/null
+++ b/SoftHSMv2/src/lib/crypto/BotanRSAPublicKey.cpp
@@ -0,0 +1,131 @@
+/*
+ * 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.
+ */
+
+/*****************************************************************************
+ BotanRSAPublicKey.cpp
+
+ Botan RSA public key class
+ *****************************************************************************/
+
+#include "config.h"
+#include "log.h"
+#include "BotanRSAPublicKey.h"
+#include "BotanUtil.h"
+#include <string.h>
+
+// Constructors
+BotanRSAPublicKey::BotanRSAPublicKey()
+{
+	rsa = NULL;
+}
+
+BotanRSAPublicKey::BotanRSAPublicKey(const Botan::RSA_PublicKey* inRSA)
+{
+	rsa = NULL;
+
+	setFromBotan(inRSA);
+}
+
+// Destructor
+BotanRSAPublicKey::~BotanRSAPublicKey()
+{
+	delete rsa;
+}
+
+// The type
+/*static*/ const char* BotanRSAPublicKey::type = "Botan RSA Public Key";
+
+// Check if the key is of the given type
+bool BotanRSAPublicKey::isOfType(const char* inType)
+{
+	return !strcmp(type, inType);
+}
+
+// Set from OpenSSL representation
+void BotanRSAPublicKey::setFromBotan(const Botan::RSA_PublicKey* inRSA)
+{
+	ByteString inN = BotanUtil::bigInt2ByteString(inRSA->get_n());
+	setN(inN);
+	ByteString inE = BotanUtil::bigInt2ByteString(inRSA->get_e());
+	setE(inE);
+}
+
+// Setters for the RSA public key components
+void BotanRSAPublicKey::setN(const ByteString& inN)
+{
+	RSAPublicKey::setN(inN);
+
+	if (rsa)
+	{
+		delete rsa;
+		rsa = NULL;
+	}
+}
+
+void BotanRSAPublicKey::setE(const ByteString& inE)
+{
+	RSAPublicKey::setE(inE);
+
+	if (rsa)
+	{
+		delete rsa;
+		rsa = NULL;
+	}
+}
+
+// Retrieve the Botan representation of the key
+Botan::RSA_PublicKey* BotanRSAPublicKey::getBotanKey()
+{
+	if (!rsa)
+	{
+		createBotanKey();
+	}
+
+	return rsa;
+}
+
+// Create the Botan representation of the key
+void BotanRSAPublicKey::createBotanKey()
+{
+	if (n.size() != 0 && e.size() != 0)
+	{
+		if (rsa)
+		{
+			delete rsa;
+			rsa = NULL;
+		}
+
+		try
+		{
+			rsa = new Botan::RSA_PublicKey(BotanUtil::byteString2bigInt(n),
+							BotanUtil::byteString2bigInt(e));
+		}
+		catch (...)
+		{
+			ERROR_MSG("Could not create the Botan public key");
+		}
+	}
+}