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Use BouncyCastle for handling AES on Mono Framework

Browse source 
Mono Framework does not handle CFB-8 AES encryption mode. So now MCC
will now use borrowed code from the BouncyCastle project for handling
AES when running on Mono framework, instead of using a dirty workaround
to try getting Mono encryption working. Regular .NET framework
encryption module will still be used when not running under Mono (eg on
Windows or using Wine)

Should hopefully fix all the issues encountered on Mono including #41
and finally achieve full compatibility of MCC with Mac and Linux.
This commit is contained in:
ORelio 2015-03-19 22:16:42 +01:00
parent 858ad12783
commit c30d3025f7
17 changed files with 2389 additions and 54 deletions
Download patch file Download diff file Expand all files Collapse all files

266
MinecraftClient/Crypto/Streams/BouncyAes/Pack.cs Normal file
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using System;
namespace Org.BouncyCastle.Crypto.Utilities
{
internal sealed class Pack
{
private Pack()
{
}
internal static void UInt16_To_BE(ushort n, byte[] bs)
{
bs[0] = (byte)(n >> 8);
bs[1] = (byte)(n);
}
internal static void UInt16_To_BE(ushort n, byte[] bs, int off)
{
bs[off] = (byte)(n >> 8);
bs[off + 1] = (byte)(n);
}
internal static ushort BE_To_UInt16(byte[] bs)
{
uint n = (uint)bs[0] << 8
| (uint)bs[1];
return (ushort)n;
}
internal static ushort BE_To_UInt16(byte[] bs, int off)
{
uint n = (uint)bs[off] << 8
| (uint)bs[off + 1];
return (ushort)n;
}
internal static byte[] UInt32_To_BE(uint n)
{
byte[] bs = new byte[4];
UInt32_To_BE(n, bs, 0);
return bs;
}
internal static void UInt32_To_BE(uint n, byte[] bs)
{
bs[0] = (byte)(n >> 24);
bs[1] = (byte)(n >> 16);
bs[2] = (byte)(n >> 8);
bs[3] = (byte)(n);
}
internal static void UInt32_To_BE(uint n, byte[] bs, int off)
{
bs[off] = (byte)(n >> 24);
bs[off + 1] = (byte)(n >> 16);
bs[off + 2] = (byte)(n >> 8);
bs[off + 3] = (byte)(n);
}
internal static byte[] UInt32_To_BE(uint[] ns)
{
byte[] bs = new byte[4 * ns.Length];
UInt32_To_BE(ns, bs, 0);
return bs;
}
internal static void UInt32_To_BE(uint[] ns, byte[] bs, int off)
{
for (int i = 0; i < ns.Length; ++i)
{
UInt32_To_BE(ns[i], bs, off);
off += 4;
}
}
internal static uint BE_To_UInt32(byte[] bs)
{
return (uint)bs[0] << 24
| (uint)bs[1] << 16
| (uint)bs[2] << 8
| (uint)bs[3];
}
internal static uint BE_To_UInt32(byte[] bs, int off)
{
return (uint)bs[off] << 24
| (uint)bs[off + 1] << 16
| (uint)bs[off + 2] << 8
| (uint)bs[off + 3];
}
internal static void BE_To_UInt32(byte[] bs, int off, uint[] ns)
{
for (int i = 0; i < ns.Length; ++i)
{
ns[i] = BE_To_UInt32(bs, off);
off += 4;
}
}
internal static byte[] UInt64_To_BE(ulong n)
{
byte[] bs = new byte[8];
UInt64_To_BE(n, bs, 0);
return bs;
}
internal static void UInt64_To_BE(ulong n, byte[] bs)
{
UInt32_To_BE((uint)(n >> 32), bs);
UInt32_To_BE((uint)(n), bs, 4);
}
internal static void UInt64_To_BE(ulong n, byte[] bs, int off)
{
UInt32_To_BE((uint)(n >> 32), bs, off);
UInt32_To_BE((uint)(n), bs, off + 4);
}
internal static ulong BE_To_UInt64(byte[] bs)
{
uint hi = BE_To_UInt32(bs);
uint lo = BE_To_UInt32(bs, 4);
return ((ulong)hi << 32) | (ulong)lo;
}
internal static ulong BE_To_UInt64(byte[] bs, int off)
{
uint hi = BE_To_UInt32(bs, off);
uint lo = BE_To_UInt32(bs, off + 4);
return ((ulong)hi << 32) | (ulong)lo;
}
internal static void UInt16_To_LE(ushort n, byte[] bs)
{
bs[0] = (byte)(n);
bs[1] = (byte)(n >> 8);
}
internal static void UInt16_To_LE(ushort n, byte[] bs, int off)
{
bs[off] = (byte)(n);
bs[off + 1] = (byte)(n >> 8);
}
internal static ushort LE_To_UInt16(byte[] bs)
{
uint n = (uint)bs[0]
| (uint)bs[1] << 8;
return (ushort)n;
}
internal static ushort LE_To_UInt16(byte[] bs, int off)
{
uint n = (uint)bs[off]
| (uint)bs[off + 1] << 8;
return (ushort)n;
}
internal static byte[] UInt32_To_LE(uint n)
{
byte[] bs = new byte[4];
UInt32_To_LE(n, bs, 0);
return bs;
}
internal static void UInt32_To_LE(uint n, byte[] bs)
{
bs[0] = (byte)(n);
bs[1] = (byte)(n >> 8);
bs[2] = (byte)(n >> 16);
bs[3] = (byte)(n >> 24);
}
internal static void UInt32_To_LE(uint n, byte[] bs, int off)
{
bs[off] = (byte)(n);
bs[off + 1] = (byte)(n >> 8);
bs[off + 2] = (byte)(n >> 16);
bs[off + 3] = (byte)(n >> 24);
}
internal static byte[] UInt32_To_LE(uint[] ns)
{
byte[] bs = new byte[4 * ns.Length];
UInt32_To_LE(ns, bs, 0);
return bs;
}
internal static void UInt32_To_LE(uint[] ns, byte[] bs, int off)
{
for (int i = 0; i < ns.Length; ++i)
{
UInt32_To_LE(ns[i], bs, off);
off += 4;
}
}
internal static uint LE_To_UInt32(byte[] bs)
{
return (uint)bs[0]
| (uint)bs[1] << 8
| (uint)bs[2] << 16
| (uint)bs[3] << 24;
}
internal static uint LE_To_UInt32(byte[] bs, int off)
{
return (uint)bs[off]
| (uint)bs[off + 1] << 8
| (uint)bs[off + 2] << 16
| (uint)bs[off + 3] << 24;
}
internal static void LE_To_UInt32(byte[] bs, int off, uint[] ns)
{
for (int i = 0; i < ns.Length; ++i)
{
ns[i] = LE_To_UInt32(bs, off);
off += 4;
}
}
internal static void LE_To_UInt32(byte[] bs, int bOff, uint[] ns, int nOff, int count)
{
for (int i = 0; i < count; ++i)
{
ns[nOff + i] = LE_To_UInt32(bs, bOff);
bOff += 4;
}
}
internal static byte[] UInt64_To_LE(ulong n)
{
byte[] bs = new byte[8];
UInt64_To_LE(n, bs, 0);
return bs;
}
internal static void UInt64_To_LE(ulong n, byte[] bs)
{
UInt32_To_LE((uint)(n), bs);
UInt32_To_LE((uint)(n >> 32), bs, 4);
}
internal static void UInt64_To_LE(ulong n, byte[] bs, int off)
{
UInt32_To_LE((uint)(n), bs, off);
UInt32_To_LE((uint)(n >> 32), bs, off + 4);
}
internal static ulong LE_To_UInt64(byte[] bs)
{
uint lo = LE_To_UInt32(bs);
uint hi = LE_To_UInt32(bs, 4);
return ((ulong)hi << 32) | (ulong)lo;
}
internal static ulong LE_To_UInt64(byte[] bs, int off)
{
uint lo = LE_To_UInt32(bs, off);
uint hi = LE_To_UInt32(bs, off + 4);
return ((ulong)hi << 32) | (ulong)lo;
}
}
}