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Simplify sample code for verifying host identify #897

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Simplify sample code for verifying host identify #897

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36 changes: 10 additions & 26 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -143,33 +143,17 @@ using (var client = new SftpClient(connectionInfo))
Establish a SSH connection using user name and password, and reject the connection if the fingerprint of the server does not match the expected fingerprint:

```cs
byte[] expectedFingerPrint = new byte[] {
0x66, 0x31, 0xaf, 0x00, 0x54, 0xb9, 0x87, 0x31,
0xff, 0x58, 0x1c, 0x31, 0xb1, 0xa2, 0x4c, 0x6b
};
using System.Linq;
using Renci.SshNet;

using (var client = new SshClient("sftp.foo.com", "guest", "pwd"))
{
client.HostKeyReceived += (sender, e) =>
{
if (expectedFingerPrint.Length == e.FingerPrint.Length)
{
for (var i = 0; i < expectedFingerPrint.Length; i++)
{
if (expectedFingerPrint[i] != e.FingerPrint[i])
{
e.CanTrust = false;
break;
}
}
}
else
{
e.CanTrust = false;
}
};
client.Connect();
}
byte[] expectedFingerPrint = {
0x66, 0x31, 0xaf, 0x00, 0x54, 0xb9, 0x87, 0x31,
0xff, 0x58, 0x1c, 0x31, 0xb1, 0xa2, 0x4c, 0x6b
};

using var client = new SshClient("sftp.foo.com", "guest", "pwd");
client.HostKeyReceived += (_, e) => e.CanTrust = expectedFingerPrint.SequenceEqual(e.FingerPrint);
client.Connect();
```

## Supporting SSH.NET
Expand Down