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-rw-r--r--SoftHSMv2/src/lib/crypto/MacAlgorithm.cpp128
1 files changed, 128 insertions, 0 deletions
diff --git a/SoftHSMv2/src/lib/crypto/MacAlgorithm.cpp b/SoftHSMv2/src/lib/crypto/MacAlgorithm.cpp
new file mode 100644
index 0000000..e100dc1
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+++ b/SoftHSMv2/src/lib/crypto/MacAlgorithm.cpp
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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.
+ */
+
+/*****************************************************************************
+ MacAlgorithm.cpp
+
+ Base class for MAC algorithm classes
+ *****************************************************************************/
+
+#include "MacAlgorithm.h"
+#include <algorithm>
+#include <string.h>
+
+MacAlgorithm::MacAlgorithm()
+{
+ currentOperation = NONE;
+ currentKey = NULL;
+}
+
+bool MacAlgorithm::signInit(const SymmetricKey* key)
+{
+ if ((key == NULL) || (currentOperation != NONE))
+ {
+ return false;
+ }
+
+ currentKey = key;
+ currentOperation = SIGN;
+
+ return true;
+}
+
+bool MacAlgorithm::signUpdate(const ByteString& /*dataToSign*/)
+{
+ if (currentOperation != SIGN)
+ {
+ return false;
+ }
+
+ return true;
+}
+
+bool MacAlgorithm::signFinal(ByteString& /*signature*/)
+{
+ if (currentOperation != SIGN)
+ {
+ return false;
+ }
+
+ currentOperation = NONE;
+ currentKey = NULL;
+
+ return true;
+}
+
+bool MacAlgorithm::verifyInit(const SymmetricKey* key)
+{
+ if ((key == NULL) || (currentOperation != NONE))
+ {
+ return false;
+ }
+
+ currentOperation = VERIFY;
+ currentKey = key;
+
+ return true;
+}
+
+bool MacAlgorithm::verifyUpdate(const ByteString& /*originalData*/)
+{
+ if (currentOperation != VERIFY)
+ {
+ return false;
+ }
+
+ return true;
+}
+
+bool MacAlgorithm::verifyFinal(ByteString& /*signature*/)
+{
+ if (currentOperation != VERIFY)
+ {
+ return false;
+ }
+
+ currentOperation = NONE;
+ currentKey = NULL;
+
+ return true;
+}
+
+unsigned long MacAlgorithm::getMinKeySize()
+{
+ return 0;
+}
+
+unsigned long MacAlgorithm::getMaxKeySize()
+{
+ return 0;
+}
+
+void MacAlgorithm::recycleKey(SymmetricKey* toRecycle)
+{
+ delete toRecycle;
+}