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17 lines
514 B
17 lines
514 B
3 years ago
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package crypto
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import "math/big"
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// Prime checks that given number is prime.
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func Prime(p *big.Int) bool {
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// TODO(tdakkota): maybe it should be smaller?
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// 1 - 1/4^64 is equal to 0.9999999999999999999999999999999999999970612641229442812300781587
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//
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// TDLib uses nchecks = 64
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// See https://github.com/tdlib/td/blob/d161323858a782bc500d188b9ae916982526c262/tdutils/td/utils/BigNum.cpp#L155.
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const probabilityN = 64
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// ProbablyPrime is mutating, so we need a copy
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return p.ProbablyPrime(probabilityN)
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}
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