using System;
using System.IO;
using System.Linq;
using System.Security.Cryptography;

// Token: 0x02000ED0 RID: 3792
public static class JCMEIAJJPPA
{
	// Token: 0x0601F631 RID: 128561 RVA: 0x0088DB38 File Offset: 0x0088BD38
	public static byte[] BENOBLIMNHN(byte[] KNLOIPDFHNH, string APKELCKCCLM)
	{
		byte[] array = JCMEIAJJPPA.EEALADEDPMF();
		byte[] array2 = JCMEIAJJPPA.EEALADEDPMF();
		Rfc2898DeriveBytes rfc2898DeriveBytes = new Rfc2898DeriveBytes(APKELCKCCLM, array, 1000);
		byte[] bytes = rfc2898DeriveBytes.GetBytes(32);
		byte[] array4;
		using (RijndaelManaged rijndaelManaged = new RijndaelManaged())
		{
			rijndaelManaged.BlockSize = 256;
			rijndaelManaged.Mode = CipherMode.CBC;
			rijndaelManaged.Padding = PaddingMode.PKCS7;
			using (ICryptoTransform cryptoTransform = rijndaelManaged.CreateEncryptor(bytes, array2))
			{
				using (MemoryStream memoryStream = new MemoryStream())
				{
					using (CryptoStream cryptoStream = new CryptoStream(memoryStream, cryptoTransform, CryptoStreamMode.Write))
					{
						cryptoStream.Write(KNLOIPDFHNH, 0, KNLOIPDFHNH.Length);
						cryptoStream.FlushFinalBlock();
						byte[] array3 = array;
						array3 = array3.Concat(array2).ToArray<byte>();
						array3 = array3.Concat(memoryStream.ToArray()).ToArray<byte>();
						memoryStream.Close();
						cryptoStream.Close();
						array4 = array3;
					}
				}
			}
		}
		return array4;
	}

	// Token: 0x0601F632 RID: 128562 RVA: 0x0088DC6C File Offset: 0x0088BE6C
	public static byte[] CKBNEIHJPNP(byte[] PFMOMNGMPPD, string APKELCKCCLM)
	{
		byte[] array = PFMOMNGMPPD.Take(32).ToArray<byte>();
		byte[] array2 = PFMOMNGMPPD.Skip(32).Take(32).ToArray<byte>();
		byte[] array3 = PFMOMNGMPPD.Skip(64).Take(PFMOMNGMPPD.Length - 64).ToArray<byte>();
		Rfc2898DeriveBytes rfc2898DeriveBytes = new Rfc2898DeriveBytes(APKELCKCCLM, array, 1000);
		byte[] bytes = rfc2898DeriveBytes.GetBytes(32);
		byte[] array5;
		using (RijndaelManaged rijndaelManaged = new RijndaelManaged())
		{
			rijndaelManaged.BlockSize = 256;
			rijndaelManaged.Mode = CipherMode.CBC;
			rijndaelManaged.Padding = PaddingMode.PKCS7;
			using (ICryptoTransform cryptoTransform = rijndaelManaged.CreateDecryptor(bytes, array2))
			{
				using (MemoryStream memoryStream = new MemoryStream(array3))
				{
					using (CryptoStream cryptoStream = new CryptoStream(memoryStream, cryptoTransform, CryptoStreamMode.Read))
					{
						byte[] array4 = new byte[array3.Length];
						cryptoStream.Read(array4, 0, array4.Length);
						memoryStream.Close();
						cryptoStream.Close();
						array5 = array4;
					}
				}
			}
		}
		return array5;
	}

	// Token: 0x0601F633 RID: 128563 RVA: 0x0088DDB4 File Offset: 0x0088BFB4
	private static byte[] EEALADEDPMF()
	{
		byte[] array = new byte[32];
		RNGCryptoServiceProvider rngcryptoServiceProvider = new RNGCryptoServiceProvider();
		rngcryptoServiceProvider.GetBytes(array);
		return array;
	}

	// Token: 0x04005154 RID: 20820
	private const int AOENKMAMADL = 256;

	// Token: 0x04005155 RID: 20821
	private const int FJEICOPBBPP = 1000;
}