using System;
using System.IO;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Encodings;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls
{
	// Token: 0x02001B8C RID: 7052
	[Token(Token = "0x2001B8C")]
	public abstract class TlsRsaUtilities
	{
		// Token: 0x0600AFB3 RID: 44979 RVA: 0x00262FFC File Offset: 0x002611FC
		[Token(Token = "0x600AFB3")]
		[Address(RVA = "0x18267C0", Offset = "0x18255C0", VA = "0x1818267C0")]
		public static byte[] GenerateEncryptedPreMasterSecret(TlsContext context, RsaKeyParameters rsaServerPublicKey, Stream output)
		{
			byte[] array = new byte[48];
			int num;
			array[0] = (byte)num;
			char c;
			bool bindable = c.Bindable;
			array[0] = (bindable ? 1 : 0);
			Pkcs1Encoding pkcs1Encoding = new Pkcs1Encoding(new RsaBlindedEngine());
			ParametersWithRandom parametersWithRandom;
			pkcs1Encoding.Init(true, parametersWithRandom);
			int length = array.Length;
			int num2 = 0;
			byte[] array2 = pkcs1Encoding.ProcessBlock(array, num2, length);
			bool flag;
			if (!flag)
			{
				TlsUtilities.WriteOpaque16(array2, output);
			}
			int num3 = output.ReadByte();
			return array;
		}

		// Token: 0x0600AFB4 RID: 44980 RVA: 0x00263074 File Offset: 0x00261274
		[Token(Token = "0x600AFB4")]
		[Address(RVA = "0x1826AE0", Offset = "0x18258E0", VA = "0x181826AE0")]
		public static byte[] SafeDecryptPreMasterSecret(TlsContext context, RsaKeyParameters rsaServerPrivateKey, byte[] encryptedPreMasterSecret)
		{
			byte[] array = new byte[48];
			byte[] array2 = Arrays.Clone(array);
			Pkcs1Encoding pkcs1Encoding = new Pkcs1Encoding(new RsaBlindedEngine(), array);
			int num = 0;
			ParametersWithRandom parametersWithRandom;
			pkcs1Encoding.Init(num != 0, parametersWithRandom);
			int length = encryptedPreMasterSecret.Length;
			int num2 = 0;
			byte[] array3 = pkcs1Encoding.ProcessBlock(encryptedPreMasterSecret, num2, length);
			int num3 = 0;
			byte b;
			array3[0] = b;
			num3++;
			return array3;
		}

		// Token: 0x0600AFB5 RID: 44981 RVA: 0x002630F4 File Offset: 0x002612F4
		[Token(Token = "0x600AFB5")]
		[Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")]
		protected TlsRsaUtilities()
		{
		}
	}
}