aboutsummaryrefslogtreecommitdiffstats
path: root/SoftHSMv2/src/lib/crypto/BotanDSAPublicKey.cpp
diff options
context:
space:
mode:
authorNingSun <ning.sun@intel.com>2018-02-08 08:34:03 -0800
committerNingSun <ning.sun@intel.com>2018-02-08 09:14:52 -0800
commit0c89b3ccba7c9b7332ab67ae1936aff51ca62367 (patch)
tree70c1b1d160d4c6d0a83395ca9a87c1264d0d3439 /SoftHSMv2/src/lib/crypto/BotanDSAPublicKey.cpp
parent945613b4db4e07f75d2bc7463db580ddfaa700fd (diff)
Initial sshsm project structure
Issue-ID: AAF-94 Change-Id: I5e82fff418e7567b161acf9b98013a9b85ffc5b4 Signed-off-by: NingSun <ning.sun@intel.com>
Diffstat (limited to 'SoftHSMv2/src/lib/crypto/BotanDSAPublicKey.cpp')
-rw-r--r--SoftHSMv2/src/lib/crypto/BotanDSAPublicKey.cpp162
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");
+ }
+ }
+}