Initial sshsm project structure

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

1 files changed, 83 insertions, 0 deletions

diff --git a/SoftHSMv2/src/lib/crypto/BotanSymmetricAlgorithm.h b/SoftHSMv2/src/lib/crypto/BotanSymmetricAlgorithm.h
new file mode 100644
index 0000000..3031094
--- /dev/null
+++ b/SoftHSMv2/src/lib/crypto/BotanSymmetricAlgorithm.h
@@ -0,0 +1,83 @@
+/*
+ * 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.
+ */
+
+/*****************************************************************************
+ BotanSymmetricAlgorithm.h
+
+ Botan symmetric algorithm implementation
+ *****************************************************************************/
+
+#ifndef _SOFTHSM_V2_BOTANSYMMETRICALGORITHM_H
+#define _SOFTHSM_V2_BOTANSYMMETRICALGORITHM_H
+
+#include <string>
+#include "config.h"
+#include "SymmetricKey.h"
+#include "SymmetricAlgorithm.h"
+
+#include <botan/pipe.h>
+#include <botan/bigint.h>
+
+class BotanSymmetricAlgorithm : public SymmetricAlgorithm
+{
+public:
+	// Constructor
+	BotanSymmetricAlgorithm();
+
+	// Destructor
+	virtual ~BotanSymmetricAlgorithm();
+
+	// Encryption functions
+	virtual bool encryptInit(const SymmetricKey* key, const SymMode::Type mode = SymMode::CBC, const ByteString& IV = ByteString(), bool padding = true, size_t counterBits = 0, const ByteString& aad = ByteString(), size_t tagBytes = 0);
+	virtual bool encryptUpdate(const ByteString& data, ByteString& encryptedData);
+	virtual bool encryptFinal(ByteString& encryptedData);
+
+	// Decryption functions
+	virtual bool decryptInit(const SymmetricKey* key, const SymMode::Type mode = SymMode::CBC, const ByteString& IV = ByteString(), bool padding = true, size_t counterBits = 0, const ByteString& aad = ByteString(), size_t tagBytes = 0);
+	virtual bool decryptUpdate(const ByteString& encryptedData, ByteString& data);
+	virtual bool decryptFinal(ByteString& data);
+
+	// Return the block size
+	virtual size_t getBlockSize() const = 0;
+
+	// Check if more bytes of data can be encrypted
+	virtual bool checkMaximumBytes(unsigned long bytes);
+
+protected:
+	// Return the right cipher for the operation
+	virtual std::string getCipher() const = 0;
+
+private:
+	// The current context
+	Botan::Pipe* cryption;
+
+	// The maximum bytes to encrypt/decrypt
+	Botan::BigInt maximumBytes;
+	Botan::BigInt counterBytes;
+};
+
+#endif // !_SOFTHSM_V2_BOTANSYMMETRICALGORITHM_H
+