HostKeyEventArgs
Provides data for the HostKeyReceived event.
using Renci.SshNet.Abstractions;
using Renci.SshNet.Security;
using System;
using System.Runtime.CompilerServices;
namespace Renci.SshNet.Common
{
[System.Runtime.CompilerServices.NullableContext(1)]
[System.Runtime.CompilerServices.Nullable(0)]
public class HostKeyEventArgs : EventArgs
{
private readonly Lazy<byte[]> _lazyFingerPrint;
private readonly Lazy<string> _lazyFingerPrintSHA256;
private readonly Lazy<string> _lazyFingerPrintMD5;
public bool CanTrust { get; set; }
public byte[] HostKey { get; set; }
public string HostKeyName { get; set; }
public byte[] FingerPrint => _lazyFingerPrint.Value;
public string FingerPrintSHA256 => _lazyFingerPrintSHA256.Value;
public string FingerPrintMD5 => _lazyFingerPrintMD5.Value;
public int KeyLength { get; set; }
[System.Runtime.CompilerServices.Nullable(2)]
[field: System.Runtime.CompilerServices.Nullable(2)]
public Certificate Certificate {
[System.Runtime.CompilerServices.NullableContext(2)]
get;
}
public HostKeyEventArgs(KeyHostAlgorithm host)
{
ThrowHelper.ThrowIfNull(host, "host");
CanTrust = true;
HostKey = host.KeyData.GetBytes();
HostKeyName = host.Name;
KeyLength = host.Key.KeyLength;
_lazyFingerPrint = new Lazy<byte[]>(() => CryptoAbstraction.HashMD5(HostKey));
_lazyFingerPrintSHA256 = new Lazy<string>(() => Convert.ToBase64String(CryptoAbstraction.HashSHA256(HostKey)).TrimEnd('='));
_lazyFingerPrintMD5 = new Lazy<string>(() => BitConverter.ToString(FingerPrint).Replace('-', ':').ToLowerInvariant());
CertificateHostAlgorithm certificateHostAlgorithm = host as CertificateHostAlgorithm;
if (certificateHostAlgorithm != null)
Certificate = certificateHostAlgorithm.Certificate;
}
}
}