public static byte[] ExportPubKey(tbl_PublicKey key, SshPublicKeyFormat pubKeyFormat)
{
var pubBytes = Encoding.ASCII.GetBytes(key.KeyValue);
var pubKeyInfo = new PublicKeyInfo();
pubKeyInfo.Load(new MemoryStream(pubBytes));
var pubStream = new MemoryStream();
var pubKey = new SshPublicKey(pubKeyInfo);
pubKey.SavePublicKey(pubStream, pubKeyFormat);
return(pubStream.ToArray());
}
public static tbl_PublicKey ImportPubKey(IUnitOfWork uow, tbl_User user,
SignatureHashAlgorithm sigAlgo, string hostname, FileInfo inputFile)
{
var callPath = $"{MethodBase.GetCurrentMethod().DeclaringType.Name}.{MethodBase.GetCurrentMethod().Name}";
tbl_PublicKey pubKeyEntity = null;
var pubKey = new SshPublicKey(inputFile.FullName);
var pubKeyStream = new MemoryStream();
pubKey.SavePublicKey(pubKeyStream, SshPublicKeyFormat.Pkcs8);
var pubKeyValue = Encoding.ASCII.GetString(pubKeyStream.ToArray());
var pubKeyFound = uow.PublicKeys.Get(QueryExpressionFactory.GetQueryExpression <tbl_PublicKey>()
.Where(x => x.Id == user.IdentityId && x.KeyValue == pubKeyValue).ToLambda());
if (pubKeyFound == null)
{
pubKeyEntity = uow.PublicKeys.Create(
new tbl_PublicKey
{
Id = Guid.NewGuid(),
IdentityId = user.IdentityId,
KeyValue = pubKeyValue,
KeyAlgo = pubKey.KeyAlgorithm.ToString(),
KeyFormat = SshPublicKeyFormat.Pkcs8.ToString(),
SigValue = pubKey.Fingerprint.ToString(sigAlgo, false),
SigAlgo = sigAlgo.ToString(),
Comment = hostname,
Enabled = true,
Deletable = true,
Created = DateTime.Now,
LastUpdated = null,
});
Log.Information($"'{callPath}' '{user.IdentityAlias}' public key algo {pubKey.KeyAlgorithm} sig {pubKey.Fingerprint.ToString(sigAlgo, false)}" +
$"{Environment.NewLine}{pubKeyValue}");
}
else
{
Log.Warning($"'{callPath}' '{user.IdentityAlias}' skip public key algo {pubKey.KeyAlgorithm} sig {pubKey.Fingerprint.ToString(sigAlgo, false)}" +
$"{Environment.NewLine}{pubKeyValue}");
}
uow.Commit();
return(pubKeyEntity);
}
