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authorPramod Raghavendra Jayathirth <pramod.raghavendra.jayathirth@intel.com>2019-01-02 09:59:48 -0800
committerPramod Raghavendra Jayathirth <pramod.raghavendra.jayathirth@intel.com>2019-03-29 09:59:04 -0700
commit7626b75b3c71173ba62c2f92d22bab8f4291e44a (patch)
tree7308a2628a014fef0f245ef4f00408cf92d15e60 /SoftHSMv2/src/lib/crypto/BotanEDPublicKey.cpp
parentf2ff7a136a152b36b3aa4d0d574796e6edbef24a (diff)
Update SoftHSM v2.0 to the latest version
Change-Id: Ib3ec2c297f897c82776a66fe2ad55b18984c0337 Issue-ID: AAF-687 Signed-off-by: Pramod Raghavendra Jayathirth <pramod.raghavendra.jayathirth@intel.com>
Diffstat (limited to 'SoftHSMv2/src/lib/crypto/BotanEDPublicKey.cpp')
-rw-r--r--SoftHSMv2/src/lib/crypto/BotanEDPublicKey.cpp185
1 files changed, 185 insertions, 0 deletions
diff --git a/SoftHSMv2/src/lib/crypto/BotanEDPublicKey.cpp b/SoftHSMv2/src/lib/crypto/BotanEDPublicKey.cpp
new file mode 100644
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+++ b/SoftHSMv2/src/lib/crypto/BotanEDPublicKey.cpp
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+/*
+ * 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.
+ */
+
+/*****************************************************************************
+ BotanEDPublicKey.cpp
+
+ Botan EDDSA public key class
+ *****************************************************************************/
+
+#include "config.h"
+#ifdef WITH_EDDSA
+#include "log.h"
+#include "BotanEDPublicKey.h"
+#include "BotanUtil.h"
+#include "DerUtil.h"
+#include <string.h>
+#include <botan/curve25519.h>
+#include <botan/ed25519.h>
+// #include <botan/curve448.h>
+// #include <botan/ed448.h>
+
+const Botan::OID x25519_oid("1.3.101.110");
+// const Botan::OID x448_oid("1.3.101.111");
+const Botan::OID ed25519_oid("1.3.101.112");
+// const Botan::OID ed448_oid("1.3.101.113");
+
+// Constructors
+BotanEDPublicKey::BotanEDPublicKey()
+{
+ edkey = NULL;
+}
+
+BotanEDPublicKey::BotanEDPublicKey(const Botan::Public_Key* inEDKEY)
+{
+ edkey = NULL;
+
+ setFromBotan(inEDKEY);
+}
+
+// Destructor
+BotanEDPublicKey::~BotanEDPublicKey()
+{
+ delete edkey;
+}
+
+// The type
+/*static*/ const char* BotanEDPublicKey::type = "Botan EDDSA Public Key";
+
+// Get the base point order length
+unsigned long BotanEDPublicKey::getOrderLength() const
+{
+ // Only Ed25519 is supported
+ return 32;
+}
+
+// Set from Botan representation
+void BotanEDPublicKey::setFromBotan(const Botan::Public_Key* inEDKEY)
+{
+ Botan::OID oid;
+ std::vector<uint8_t> pub;
+
+ for (;;)
+ {
+ const Botan::Curve25519_PublicKey* x25519 = dynamic_cast<const Botan::Curve25519_PublicKey*>(inEDKEY);
+ if (x25519) {
+ oid = x25519_oid;
+ pub = x25519->public_value();
+ break;
+ }
+ const Botan::Ed25519_PublicKey* ed25519 = dynamic_cast<const Botan::Ed25519_PublicKey*>(inEDKEY);
+ if (ed25519) {
+ oid = ed25519_oid;
+ pub = ed25519->get_public_key();
+ break;
+ }
+ return;
+ }
+ ByteString inEC = BotanUtil::oid2ByteString(oid);
+ setEC(inEC);
+ ByteString inA;
+ inA.resize(pub.size());
+ memcpy(&inA[0], &pub[0], pub.size());
+ setA(DERUTIL::raw2Octet(inA));
+}
+
+// Check if the key is of the given type
+bool BotanEDPublicKey::isOfType(const char* inType)
+{
+ return !strcmp(type, inType);
+}
+
+// Setters for the EDDSA public key components
+void BotanEDPublicKey::setEC(const ByteString& inEC)
+{
+ EDPublicKey::setEC(inEC);
+
+ if (edkey)
+ {
+ delete edkey;
+ edkey = NULL;
+ }
+}
+
+void BotanEDPublicKey::setA(const ByteString& inA)
+{
+ EDPublicKey::setA(inA);
+
+ if (edkey)
+ {
+ delete edkey;
+ edkey = NULL;
+ }
+}
+
+// Retrieve the Botan representation of the key
+Botan::Public_Key* BotanEDPublicKey::getBotanKey()
+{
+ if (!edkey)
+ {
+ createBotanKey();
+ }
+
+ return edkey;
+}
+
+// Create the Botan representation of the key
+void BotanEDPublicKey::createBotanKey()
+{
+ if (ec.size() != 0 &&
+ a.size() != 0)
+ {
+ if (edkey)
+ {
+ delete edkey;
+ edkey = NULL;
+ }
+
+ try
+ {
+ ByteString raw = DERUTIL::octet2Raw(a);
+ size_t len = raw.size();
+ if (len == 0) return;
+
+ std::vector<uint8_t> pub(len);
+ memcpy(&pub[0], raw.const_byte_str(), len);
+ Botan::OID oid = BotanUtil::byteString2Oid(ec);
+ if (oid == x25519_oid)
+ {
+ edkey = new Botan::Curve25519_PublicKey(pub);
+ }
+ else if (oid == ed25519_oid)
+ {
+ edkey = new Botan::Ed25519_PublicKey(pub);
+ }
+ }
+ catch (...)
+ {
+ ERROR_MSG("Could not create the Botan public key");
+ }
+ }
+}
+#endif