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2026-04-12 16:51:38 +02:00
parent 1b6f6d81d0
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+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: 0x02001C6C RID: 7276
+	[Token(Token = "0x2001C6C")]
+	public abstract class TlsRsaUtilities
+	{
+		// Token: 0x0600B381 RID: 45953 RVA: 0x0026C200 File Offset: 0x0026A400
+		[Token(Token = "0x600B381")]
+		[Address(RVA = "0x460AC0", Offset = "0x45FAC0", VA = "0x180460AC0")]
+		public static byte[] GenerateEncryptedPreMasterSecret(TlsContext context, RsaKeyParameters rsaServerPublicKey, Stream output)
+		{
+			byte[] array = new byte[48];
+			int num;
+			array[0] = (byte)num;
+			array[0] = (byte)num;
+			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: 0x0600B382 RID: 45954 RVA: 0x0026C270 File Offset: 0x0026A470
+		[Token(Token = "0x600B382")]
+		[Address(RVA = "0x460DE0", Offset = "0x45FDE0", VA = "0x180460DE0")]
+		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: 0x0600B383 RID: 45955 RVA: 0x0026C2F0 File Offset: 0x0026A4F0
+		[Token(Token = "0x600B383")]
+		[Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")]
+		protected TlsRsaUtilities()
+		{
+		}
+	}
+}