AESCrypt.cs

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using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using IKVM.Attributes;
 
namespace IKVM.Runtime.Util.Com.Sun.Crypto.Provider
{
 
    [HideFromJava]
    internal static class AESCrypt
    {
 
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static bool DecryptBlock(byte[] @in, int inOffset, byte[] @out, int outOffset, int[] K)
        {
#if FIRST_PASS
            throw new NotImplementedException();
#else
#if NETCOREAPP3_0_OR_GREATER
            if (AESCrypt_x86.IsSupported)
            {
                AESCrypt_x86.DecryptBlock(@in.AsSpan(inOffset), @out.AsSpan(outOffset), K);
                return true;
            }
 
#if NET6_0_OR_GREATER
            if (AESCrypt_Arm.IsSupported)
            {
                AESCrypt_Arm.DecryptBlock(@in.AsSpan(inOffset), @out.AsSpan(outOffset), K);
                return true;
            }
#endif
#endif
 
            return false;
#endif
        }
 
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static bool EncryptBlock(byte[] @in, int inOffset, byte[] @out, int outOffset, int[] K)
        {
#if FIRST_PASS
            throw new NotImplementedException();
#else
#if NETCOREAPP3_0_OR_GREATER
            if (AESCrypt_x86.IsSupported)
            {
                AESCrypt_x86.EncryptBlock(@in.AsSpan(inOffset), @out.AsSpan(outOffset), K);
                return true;
            }
 
#if NET6_0_OR_GREATER
            if (AESCrypt_Arm.IsSupported)
            {
                AESCrypt_Arm.EncryptBlock(@in.AsSpan(inOffset), @out.AsSpan(outOffset), K);
                return true;
            }
#endif
#endif
 
            return false;
#endif
        }
 
    }
 
}