30 lines
695 B
C#
30 lines
695 B
C#
using System.Security.Cryptography;
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namespace FrostFS.SDK.Cryptography.Tz
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{
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public static class Helper
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{
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public static ulong NextUlong(this RandomNumberGenerator rng)
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{
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var buff = new byte[8];
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rng.GetBytes(buff);
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return BitConverter.ToUInt64(buff, 0);
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}
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public static int GetLeadingZeros(ulong value)
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{
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var i = 64;
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while (value != 0)
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{
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value >>= 1;
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i--;
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}
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return i;
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}
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public static int GetNonZeroLength(this ulong value)
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{
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return 64 - GetLeadingZeros(value);
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}
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}
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}
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