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Concrete class prototype

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This commit is contained in:
RogueException
2016-09-22 21:15:37 -03:00
parent ab42129eb9
commit 6319933ed0
394 changed files with 3648 additions and 3224 deletions
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36
src/Discord.Net.WebSocket/Audio/Sodium/SecretBox.cs Normal file
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using System;
using System.Runtime.InteropServices;
namespace Discord.Audio
{
public unsafe static class SecretBox
{
[DllImport("libsodium", EntryPoint = "crypto_secretbox_easy", CallingConvention = CallingConvention.Cdecl)]
private static extern int SecretBoxEasy(byte* output, byte* input, long inputLength, byte[] nonce, byte[] secret);
[DllImport("libsodium", EntryPoint = "crypto_secretbox_open_easy", CallingConvention = CallingConvention.Cdecl)]
private static extern int SecretBoxOpenEasy(byte* output, byte* input, long inputLength, byte[] nonce, byte[] secret);
public static int Encrypt(byte[] input, int inputOffset, int inputLength, byte[] output, int outputOffset, byte[] nonce, byte[] secret)
{
fixed (byte* inPtr = input)
fixed (byte* outPtr = output)
{
int error = SecretBoxEasy(outPtr + outputOffset, inPtr + inputOffset, inputLength, nonce, secret);
if (error != 0)
throw new Exception($"Sodium Error: {error}");
return inputLength + 16;
}
}
public static int Decrypt(byte[] input, int inputOffset, int inputLength, byte[] output, int outputOffset, byte[] nonce, byte[] secret)
{
fixed (byte* inPtr = input)
fixed (byte* outPtr = output)
{
int error = SecretBoxOpenEasy(outPtr + outputOffset, inPtr + inputOffset, inputLength, nonce, secret);
if (error != 0)
throw new Exception($"Sodium Error: {error}");
return inputLength - 16;
}
}
}
}