43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/*
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WDL - rng.h
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Copyright (C) 2005 and later, Cockos Incorporated
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/*
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This header provides the interface to a decent random number generator,
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that internally uses a 256-bit state, and SHA-1 to iterate. We wouldn't consider
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this RNG to be cryptographically secure, but it may be decent.
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*/
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#ifndef _WDL_RNG_H_
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#define _WDL_RNG_H_
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void WDL_RNG_addentropy(void *buf, int buflen); // add entropy to the RNG
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int WDL_RNG_int32(); // get a random integer
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void WDL_RNG_bytes(void *buf, int buflen); // get a random string of bytes
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#endif
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