Initial sshsm project structure

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

1 files changed, 221 insertions, 0 deletions

diff --git a/SoftHSMv2/src/lib/crypto/AsymmetricAlgorithm.cpp b/SoftHSMv2/src/lib/crypto/AsymmetricAlgorithm.cpp
new file mode 100644
index 0000000..20a50a5
--- /dev/null
+++ b/SoftHSMv2/src/lib/crypto/AsymmetricAlgorithm.cpp
@@ -0,0 +1,221 @@
+/*
+ * Copyright (c) 2010 SURFnet bv
+ * 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.
+ */
+
+/*****************************************************************************
+ AsymmetricAlgorithm.cpp
+
+ Base class for asymmetric algorithm classes
+ *****************************************************************************/
+
+#include "config.h"
+#include "log.h"
+#include "AsymmetricAlgorithm.h"
+
+// Base constructor
+AsymmetricAlgorithm::AsymmetricAlgorithm()
+{
+	currentOperation = NONE;
+	currentMechanism = AsymMech::Unknown;
+	currentPadding = AsymMech::Unknown;
+	currentPublicKey = NULL;
+	currentPrivateKey = NULL;
+}
+
+// Signing functions
+bool AsymmetricAlgorithm::sign(PrivateKey* privateKey, const ByteString& dataToSign,
+			       ByteString& signature, const AsymMech::Type mechanism,
+			       const void* param /* = NULL */, const size_t paramLen /* = 0 */)
+{
+	// Compose from multi-part operations
+	return (signInit(privateKey, mechanism, param, paramLen) && signUpdate(dataToSign) && signFinal(signature));
+}
+
+bool AsymmetricAlgorithm::signInit(PrivateKey* privateKey, const AsymMech::Type mechanism,
+				   const void* /* param = NULL */, const size_t /* paramLen = 0 */)
+{
+	if ((currentOperation != NONE) || (privateKey == NULL))
+	{
+		return false;
+	}
+
+	currentPrivateKey = privateKey;
+	currentMechanism = mechanism;
+	currentOperation = SIGN;
+
+	return true;
+}
+
+bool AsymmetricAlgorithm::signUpdate(const ByteString& /*dataToSign*/)
+{
+	if (currentOperation != SIGN)
+	{
+		return false;
+	}
+
+	return true;
+}
+
+bool AsymmetricAlgorithm::signFinal(ByteString& /*signature*/)
+{
+	if (currentOperation != SIGN)
+	{
+		return false;
+	}
+
+	currentOperation = NONE;
+	currentPrivateKey = NULL;
+	currentMechanism = AsymMech::Unknown;
+
+	return true;
+}
+
+// Verification functions
+bool AsymmetricAlgorithm::verify(PublicKey* publicKey, const ByteString& originalData,
+				 const ByteString& signature, const AsymMech::Type mechanism,
+				 const void* param /* = NULL */, const size_t paramLen /* = 0 */)
+{
+	// Compose from multi-part operations
+	return (verifyInit(publicKey, mechanism, param, paramLen) && verifyUpdate(originalData) && verifyFinal(signature));
+}
+
+bool AsymmetricAlgorithm::verifyInit(PublicKey* publicKey, const AsymMech::Type mechanism,
+				     const void* /* param = NULL */, const size_t /* paramLen = 0 */)
+{
+	if ((currentOperation != NONE) || (publicKey == NULL))
+	{
+		return false;
+	}
+
+	currentOperation = VERIFY;
+	currentPublicKey = publicKey;
+	currentMechanism = mechanism;
+
+	return true;
+}
+
+bool AsymmetricAlgorithm::verifyUpdate(const ByteString& /*originalData*/)
+{
+	if (currentOperation != VERIFY)
+	{
+		return false;
+	}
+
+	return true;
+}
+
+bool AsymmetricAlgorithm::verifyFinal(const ByteString& /*signature*/)
+{
+	if (currentOperation != VERIFY)
+	{
+		return false;
+	}
+
+	currentOperation = NONE;
+	currentPublicKey = NULL;
+	currentMechanism = AsymMech::Unknown;
+
+	return true;
+}
+
+// Returns true for mechanisms which have 'tick mark' in Wrap&Unwrap column in PKCS #11 Mechanisms v2.40
+bool AsymmetricAlgorithm::isWrappingMech(AsymMech::Type padding)
+{
+	switch (padding)
+	{
+		case AsymMech::RSA:
+		case AsymMech::RSA_PKCS:
+		case AsymMech::RSA_PKCS_OAEP:
+			return true;
+
+		default:
+			return false;
+	}
+}
+
+// Wrap/Unwrap keys
+bool AsymmetricAlgorithm::wrapKey(PublicKey* publicKey, const ByteString& data, ByteString& encryptedData, const AsymMech::Type padding)
+{
+	if (!isWrappingMech(padding))
+		return false;
+
+	return encrypt(publicKey, data, encryptedData, padding);
+}
+
+bool AsymmetricAlgorithm::unwrapKey(PrivateKey* privateKey, const ByteString& encryptedData, ByteString& data, const AsymMech::Type padding)
+{
+	if (!isWrappingMech(padding))
+		return false;
+
+	return decrypt(privateKey, encryptedData, data, padding);
+}
+
+
+bool AsymmetricAlgorithm::generateParameters(AsymmetricParameters** /*ppParams*/, void* /*parameters = NULL*/, RNG* /*rng = NULL*/)
+{
+	return false;
+}
+
+bool AsymmetricAlgorithm::deriveKey(SymmetricKey** /*ppSymmetricKey*/, PublicKey* /*publicKey*/, PrivateKey* /*privateKey*/)
+{
+	return false;
+}
+
+bool AsymmetricAlgorithm::reconstructParameters(AsymmetricParameters** /*ppParams*/, ByteString& /*serialisedData*/)
+{
+	return false;
+}
+
+AsymmetricParameters* AsymmetricAlgorithm::newParameters()
+{
+	return NULL;
+}
+
+// Key recycling -- override these functions in a derived class if you need to perform specific cleanup
+void AsymmetricAlgorithm::recycleKeyPair(AsymmetricKeyPair* toRecycle)
+{
+	delete toRecycle;
+}
+
+void AsymmetricAlgorithm::recycleParameters(AsymmetricParameters* toRecycle)
+{
+	delete toRecycle;
+}
+
+void AsymmetricAlgorithm::recyclePublicKey(PublicKey* toRecycle)
+{
+	delete toRecycle;
+}
+
+void AsymmetricAlgorithm::recyclePrivateKey(PrivateKey* toRecycle)
+{
+	delete toRecycle;
+}
+
+void AsymmetricAlgorithm::recycleSymmetricKey(SymmetricKey* toRecycle)
+{
+	delete toRecycle;
+}
+