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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/data_mgr/ByteString.h
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/data_mgr/ByteString.h')
-rw-r--r--SoftHSMv2/src/lib/data_mgr/ByteString.h131
1 files changed, 131 insertions, 0 deletions
diff --git a/SoftHSMv2/src/lib/data_mgr/ByteString.h b/SoftHSMv2/src/lib/data_mgr/ByteString.h
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+/*
+ * 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.
+ */
+
+/*****************************************************************************
+ ByteString.h
+
+ A string class for byte strings stored in securely allocated memory
+ *****************************************************************************/
+
+#ifndef _SOFTHSM_V2_BYTESTRING_H
+#define _SOFTHSM_V2_BYTESTRING_H
+
+#include <cstddef>
+#include <vector>
+#include <string>
+#include <stdlib.h>
+#include <limits.h>
+#include "config.h"
+#include "SecureAllocator.h"
+#include "Serialisable.h"
+
+#ifndef SIZE_T_MAX
+#define SIZE_T_MAX ((size_t) -1)
+#endif // !SIZE_T_MAX
+
+class ByteString
+{
+public:
+ // Constructors
+ ByteString();
+
+ ByteString(const unsigned char* bytes, const size_t bytesLen);
+
+ ByteString(const char* hexString);
+
+ ByteString(const unsigned long longValue);
+
+ ByteString(const ByteString& in);
+
+ // Destructor
+ virtual ~ByteString() { }
+
+ // Append data
+ ByteString& operator+=(const ByteString& append);
+ ByteString& operator+=(const unsigned char byte);
+
+ // Return a substring
+ ByteString substr(const size_t start, const size_t len = SIZE_T_MAX) const;
+
+ // Array operator
+ unsigned char& operator[](size_t pos);
+
+ // Return the byte string
+ unsigned char* byte_str();
+
+ // Return the const byte string
+ const unsigned char* const_byte_str() const;
+
+ // Return a hexadecimal character representation of the string
+ std::string hex_str() const;
+
+ // Return the long value
+ unsigned long long_val() const;
+
+ // Cut of the first part of the string and convert it to a long value
+ unsigned long firstLong();
+
+ // Split of the specified part of the string as a separate byte string
+ ByteString split(size_t len);
+
+ // Return the size in bits
+ size_t bits() const;
+
+ // Return the size in bytes
+ size_t size() const;
+
+ // Resize
+ void resize(const size_t newSize);
+
+ // Wipe
+ void wipe(const size_t newSize = 0);
+
+ // Comparison
+ bool operator==(const ByteString& compareTo) const;
+ bool operator!=(const ByteString& compareTo) const;
+
+ // XORing
+ ByteString& operator^=(const ByteString& rhs);
+
+ // Serialisation/deserialisation
+ virtual ByteString serialise() const;
+
+ static ByteString chainDeserialise(ByteString& serialised);
+
+private:
+ std::vector<unsigned char, SecureAllocator<unsigned char> > byteString;
+};
+
+// Add data
+ByteString operator+(const ByteString& lhs, const ByteString& rhs);
+ByteString operator+(const unsigned char lhs, const ByteString& rhs);
+ByteString operator+(const ByteString& lhs, const unsigned char rhs);
+
+// XOR data
+ByteString operator^(const ByteString& lhs, const ByteString& rhs);
+
+#endif // !_SOFTHSM_V2_BYTESTRING_H
+