45 lines
1.2 KiB
C#
45 lines
1.2 KiB
C#
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
|
|
#pragma warning disable
|
|
using System;
|
|
|
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
|
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC;
|
|
|
|
namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X9
|
|
{
|
|
public abstract class X9IntegerConverter
|
|
{
|
|
public static int GetByteLength(ECFieldElement fe)
|
|
{
|
|
return (fe.FieldSize + 7) / 8;
|
|
}
|
|
|
|
public static int GetByteLength(ECCurve c)
|
|
{
|
|
return (c.FieldSize + 7) / 8;
|
|
}
|
|
|
|
public static byte[] IntegerToBytes(BigInteger s, int qLength)
|
|
{
|
|
byte[] bytes = s.ToByteArrayUnsigned();
|
|
|
|
if (qLength < bytes.Length)
|
|
{
|
|
byte[] tmp = new byte[qLength];
|
|
Array.Copy(bytes, bytes.Length - tmp.Length, tmp, 0, tmp.Length);
|
|
return tmp;
|
|
}
|
|
else if (qLength > bytes.Length)
|
|
{
|
|
byte[] tmp = new byte[qLength];
|
|
Array.Copy(bytes, 0, tmp, tmp.Length - bytes.Length, bytes.Length);
|
|
return tmp;
|
|
}
|
|
|
|
return bytes;
|
|
}
|
|
}
|
|
}
|
|
#pragma warning restore
|
|
#endif
|