niko
64 lines
2.0 KiB
C#
64 lines
2.0 KiB
C#
using System;
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using System.Security.Cryptography;
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using Mono.Security.Cryptography;
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namespace Mono.Security.Protocol.Tls.Handshake.Client
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{
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// Token: 0x020000B1 RID: 177
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internal class TlsServerKeyExchange : HandshakeMessage
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{
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// Token: 0x06000694 RID: 1684 RVA: 0x00024C2C File Offset: 0x00022E2C
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public TlsServerKeyExchange(Context context, byte[] buffer)
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: base(context, HandshakeType.ServerKeyExchange, buffer)
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{
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this.verifySignature();
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}
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// Token: 0x06000695 RID: 1685 RVA: 0x00024C40 File Offset: 0x00022E40
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public override void Update()
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{
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base.Update();
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base.Context.ServerSettings.ServerKeyExchange = true;
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base.Context.ServerSettings.RsaParameters = this.rsaParams;
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base.Context.ServerSettings.SignedParams = this.signedParams;
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}
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// Token: 0x06000696 RID: 1686 RVA: 0x00024C90 File Offset: 0x00022E90
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protected override void ProcessAsSsl3()
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{
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this.ProcessAsTls1();
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}
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// Token: 0x06000697 RID: 1687 RVA: 0x00024C98 File Offset: 0x00022E98
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protected override void ProcessAsTls1()
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{
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this.rsaParams = default(RSAParameters);
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this.rsaParams.Modulus = base.ReadBytes((int)base.ReadInt16());
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this.rsaParams.Exponent = base.ReadBytes((int)base.ReadInt16());
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this.signedParams = base.ReadBytes((int)base.ReadInt16());
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}
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// Token: 0x06000698 RID: 1688 RVA: 0x00024CF4 File Offset: 0x00022EF4
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private void verifySignature()
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{
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MD5SHA1 md5SHA = new MD5SHA1();
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int num = this.rsaParams.Modulus.Length + this.rsaParams.Exponent.Length + 4;
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TlsStream tlsStream = new TlsStream();
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tlsStream.Write(base.Context.RandomCS);
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tlsStream.Write(base.ToArray(), 0, num);
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md5SHA.ComputeHash(tlsStream.ToArray());
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tlsStream.Reset();
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if (!md5SHA.VerifySignature(base.Context.ServerSettings.CertificateRSA, this.signedParams))
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{
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throw new TlsException(AlertDescription.DecodeError, "Data was not signed with the server certificate.");
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}
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}
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// Token: 0x04000327 RID: 807
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private RSAParameters rsaParams;
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// Token: 0x04000328 RID: 808
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private byte[] signedParams;
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}
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}
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