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103 lines
2.8 KiB
103 lines
2.8 KiB
1 year ago
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#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
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#pragma warning disable
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using System;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters
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{
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/**
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* Parameters for NaccacheStern public private key generation. For details on
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* this cipher, please see
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*
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* http://www.gemplus.com/smart/rd/publications/pdf/NS98pkcs.pdf
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*/
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public class NaccacheSternKeyGenerationParameters : KeyGenerationParameters
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{
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// private BigInteger publicExponent;
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private readonly int certainty;
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private readonly int countSmallPrimes;
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/**
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* Parameters for generating a NaccacheStern KeyPair.
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*
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* @param random
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* The source of randomness
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* @param strength
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* The desired strength of the Key in Bits
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* @param certainty
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* the probability that the generated primes are not really prime
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* as integer: 2^(-certainty) is then the probability
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* @param countSmallPrimes
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* How many small key factors are desired
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*/
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public NaccacheSternKeyGenerationParameters(
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SecureRandom random,
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int strength,
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int certainty,
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int countSmallPrimes)
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: base(random, strength)
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{
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if (countSmallPrimes % 2 == 1)
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throw new ArgumentException("countSmallPrimes must be a multiple of 2");
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if (countSmallPrimes < 30)
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throw new ArgumentException("countSmallPrimes must be >= 30 for security reasons");
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this.certainty = certainty;
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this.countSmallPrimes = countSmallPrimes;
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}
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/**
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* Parameters for a NaccacheStern KeyPair.
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*
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* @param random
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* The source of randomness
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* @param strength
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* The desired strength of the Key in Bits
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* @param certainty
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* the probability that the generated primes are not really prime
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* as integer: 2^(-certainty) is then the probability
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* @param cntSmallPrimes
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* How many small key factors are desired
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* @param debug
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* Ignored
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*/
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public NaccacheSternKeyGenerationParameters(
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SecureRandom random,
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int strength,
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int certainty,
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int countSmallPrimes,
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bool debug)
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: this(random, strength, certainty, countSmallPrimes)
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{
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}
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/**
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* @return Returns the certainty.
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*/
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public int Certainty
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{
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get { return certainty; }
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}
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/**
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* @return Returns the countSmallPrimes.
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*/
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public int CountSmallPrimes
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{
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get { return countSmallPrimes; }
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}
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public bool IsDebug
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{
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get { return false; }
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}
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}
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}
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#pragma warning restore
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#endif
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