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83 lines
3 KiB
C++
83 lines
3 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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//==============================================================================
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/**
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Prime number creation class.
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This class contains static methods for generating and testing prime numbers.
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@see BigInteger
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@tags{Cryptography}
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*/
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class JUCE_API Primes
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{
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public:
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//==============================================================================
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/** Creates a random prime number with a given bit-length.
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The certainty parameter specifies how many iterations to use when testing
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for primality. A safe value might be anything over about 20-30.
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The randomSeeds parameter lets you optionally pass it a set of values with
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which to seed the random number generation, improving the security of the
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keys generated.
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*/
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static BigInteger createProbablePrime (int bitLength,
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int certainty,
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const int* randomSeeds = nullptr,
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int numRandomSeeds = 0);
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/** Tests a number to see if it's prime.
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This isn't a bulletproof test, it uses a Miller-Rabin test to determine
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whether the number is prime.
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The certainty parameter specifies how many iterations to use when testing - a
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safe value might be anything over about 20-30.
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*/
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static bool isProbablyPrime (const BigInteger& number, int certainty);
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private:
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Primes();
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JUCE_DECLARE_NON_COPYABLE (Primes)
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};
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} // namespace juce
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