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Copyright (C) 1999-2007 The Botan Project. All rights reserved.
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Redistribution and use in source and binary forms, for any use, with or without
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modification, is permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions, and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions, and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) "AS IS" AND ANY EXPRESS OR IMPLIED
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTOR(S) BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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namespace QCA { // WRAPNS_LINE
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/*************************************************
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* Utility Functions Header File *
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* (C) 1999-2007 The Botan Project *
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*************************************************/
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#ifndef BOTAN_UTIL_H__
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#define BOTAN_UTIL_H__
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#include <botan/types.h>
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namespace QCA { // WRAPNS_LINE
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/*************************************************
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* Timer Access Functions *
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*************************************************/
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#ifndef BOTAN_TOOLS_ONLY
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u64bit system_clock();
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/*************************************************
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* Memory Locking Functions *
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*************************************************/
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void lock_mem(void*, u32bit);
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void unlock_mem(void*, u32bit);
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/*************************************************
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* Misc Utility Functions *
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*************************************************/
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u32bit round_up(u32bit, u32bit);
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u32bit round_down(u32bit, u32bit);
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#ifndef BOTAN_TOOLS_ONLY
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u64bit combine_timers(u32bit, u32bit, u32bit);
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/*************************************************
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* Work Factor Estimates *
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*************************************************/
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#ifndef BOTAN_TOOLS_ONLY
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u32bit entropy_estimate(const byte[], u32bit);
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u32bit dl_work_factor(u32bit);