42 lines
943 B
C
42 lines
943 B
C
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/*
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* This file Copyright (C) 2007-2014 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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* $Id$
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*/
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#ifndef TR_CRYPTO_UTILS_H
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#define TR_CRYPTO_UTILS_H
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#include <stddef.h>
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/**
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*** @addtogroup utils Utilities
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*** @{
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**/
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/**
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* @brief Returns a random number in the range of [0...upper_bound).
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*/
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int tr_rand_int (int upper_bound);
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/**
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* @brief Returns a pseudorandom number in the range of [0...upper_bound).
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*
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* This is faster, BUT WEAKER, than tr_rand_int () and never be used in sensitive cases.
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* @see tr_rand_int ()
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*/
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int tr_rand_int_weak (int upper_bound);
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/**
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* @brief Fill a buffer with random bytes.
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*/
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bool tr_rand_buffer (void * buffer,
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size_t length);
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/** @} */
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#endif /* TR_CRYPTO_UTILS_H */
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