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using System;
using System.IO;
using Org.BouncyCastle.Tls.Crypto;
namespace Org.BouncyCastle.Tls
{
/// <summary>RSA Utility methods.</summary>
public abstract class TlsRsaUtilities
{
/// <summary>Generate a pre_master_secret and send it encrypted to the server.</summary>
/// <exception cref="IOException"/>
public static TlsSecret GenerateEncryptedPreMasterSecret(TlsContext context, TlsCertificate certificate,
Stream output)
{
TlsSecret preMasterSecret = context.Crypto.GenerateRsaPreMasterSecret(context.RsaPreMasterSecretVersion);
byte[] encryptedPreMasterSecret = preMasterSecret.Encrypt(certificate);
TlsUtilities.WriteEncryptedPms(context, encryptedPreMasterSecret, output);
return preMasterSecret;
}
}
}
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