StringDecrypt.cs

using System;
using System.Text;

// Token: 0x0200001B RID: 27
public static class StringDecrypt
{
	// Token: 0x060000AE RID: 174 RVA: 0x0000CBA0 File Offset: 0x0000ADA0
	public static string Xor(string input, string stringKey)
	{
		StringBuilder stringBuilder = new StringBuilder();
		for (int i = 0; i < input.Length; i++)
		{
			int utf = (int)(input[i] ^ stringKey[i % stringKey.Length]);
			stringBuilder.AppendFormat("{0}", char.ConvertFromUtf32(utf));
		}
		return stringBuilder.ToString();
	}

	// Token: 0x060000AF RID: 175 RVA: 0x0000CC00 File Offset: 0x0000AE00
	private static string FromBase64(string base64str)
	{
		return StringDecrypt.BytesToStringConverted(Convert.FromBase64CharArray(base64str.ToCharArray(), 0, base64str.Length));
	}

	// Token: 0x060000B0 RID: 176 RVA: 0x0000CC2C File Offset: 0x0000AE2C
	private static string BytesToStringConverted(byte[] bytes)
	{
		return Encoding.UTF8.GetString(bytes);
	}

	// Token: 0x060000B1 RID: 177 RVA: 0x0000CC4C File Offset: 0x0000AE4C
	public static string Read(string b64, string stringKey)
	{
		string result;
		try
		{
			bool flag = string.IsNullOrWhiteSpace(b64);
			if (flag)
			{
				result = string.Empty;
			}
			else
			{
				string input = StringDecrypt.FromBase64(b64);
				result = StringDecrypt.FromBase64(StringDecrypt.Xor(input, stringKey));
			}
		}
		catch
		{
			result = b64;
		}
		return result;
	}
}