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34 lines
1.1 KiB
34 lines
1.1 KiB
#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.Security; |
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Prng |
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{ |
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public abstract class EntropyUtilities |
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{ |
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/** |
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* Generate numBytes worth of entropy from the passed in entropy source. |
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* |
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* @param entropySource the entropy source to request the data from. |
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* @param numBytes the number of bytes of entropy requested. |
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* @return a byte array populated with the random data. |
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*/ |
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public static byte[] GenerateSeed(IEntropySource entropySource, int numBytes) |
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{ |
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byte[] bytes = new byte[numBytes]; |
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int count = 0; |
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while (count < numBytes) |
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{ |
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byte[] entropy = entropySource.GetEntropy(); |
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int toCopy = System.Math.Min(bytes.Length, numBytes - count); |
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Array.Copy(entropy, 0, bytes, count, toCopy); |
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count += toCopy; |
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} |
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return bytes; |
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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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