diff --git a/src/bbs2gh/RsaWithSha256SignatureKey.cs b/src/bbs2gh/RsaWithSha256SignatureKey.cs
deleted file mode 100644
index 7589efbd1..000000000
--- a/src/bbs2gh/RsaWithSha256SignatureKey.cs
+++ /dev/null
@@ -1,76 +0,0 @@
-using System;
-using System.Security.Cryptography;
-using Renci.SshNet.Common;
-using Renci.SshNet.Security;
-using Renci.SshNet.Security.Cryptography;
-using Renci.SshNet.Security.Cryptography.Ciphers;
-
-namespace OctoshiftCLI.BbsToGithub;
-
-// workaround for RSA keys on Ubuntu 22.04
-// https://github.com/sshnet/SSH.NET/issues/825#issuecomment-1139440419
-
-public class RsaWithSha256SignatureKey : RsaKey
-{
- public RsaWithSha256SignatureKey(BigInteger modulus, BigInteger exponent, BigInteger d, BigInteger p, BigInteger q,
- BigInteger inverseQ) : base(modulus, exponent, d, p, q, inverseQ)
- {
- }
-
- private RsaSha256DigitalSignature _digitalSignature;
-
- protected override DigitalSignature DigitalSignature
- {
- get
- {
- _digitalSignature ??= new RsaSha256DigitalSignature(this);
-
- return _digitalSignature;
- }
- }
-
- public override string ToString() => "rsa-sha2-256";
-}
-
-public class RsaSha256DigitalSignature : CipherDigitalSignature, IDisposable
-{
- private HashAlgorithm _hash;
-
- public RsaSha256DigitalSignature(RsaWithSha256SignatureKey rsaKey)
- // custom OID
- : base(new ObjectIdentifier(2, 16, 840, 1, 101, 3, 4, 2, 1), new RsaCipher(rsaKey))
- {
- // custom
- _hash = SHA256.Create();
- }
-
- protected override byte[] Hash(byte[] input) => _hash.ComputeHash(input);
-
- private bool _isDisposed;
-
- public void Dispose()
- {
- Dispose(true);
- GC.SuppressFinalize(this);
- }
-
- protected virtual void Dispose(bool disposing)
- {
- if (_isDisposed)
- {
- return;
- }
-
- if (disposing)
- {
- var hash = _hash;
- if (hash != null)
- {
- hash.Dispose();
- _hash = null;
- }
-
- _isDisposed = true;
- }
- }
-}
diff --git a/src/bbs2gh/Services/BbsSshArchiveDownloader.cs b/src/bbs2gh/Services/BbsSshArchiveDownloader.cs
index ba71b24c0..d9901c4b4 100644
--- a/src/bbs2gh/Services/BbsSshArchiveDownloader.cs
+++ b/src/bbs2gh/Services/BbsSshArchiveDownloader.cs
@@ -1,11 +1,9 @@
using System;
using System.IO;
-using System.Reflection;
using System.Threading.Tasks;
using OctoshiftCLI.Extensions;
using OctoshiftCLI.Services;
using Renci.SshNet;
-using Renci.SshNet.Security;
namespace OctoshiftCLI.BbsToGithub.Services;
@@ -14,9 +12,6 @@ public sealed class BbsSshArchiveDownloader : IBbsArchiveDownloader, IDisposable
private const int DOWNLOAD_PROGRESS_REPORT_INTERVAL_IN_SECONDS = 10;
private readonly ISftpClient _sftpClient;
- private readonly RsaKey _rsaKey;
- private readonly PrivateKeyFile _privateKey;
- private readonly PrivateKeyAuthenticationMethod _authenticationMethodRsa;
private readonly OctoLogger _log;
private readonly FileSystemProvider _fileSystemProvider;
private readonly object _mutex = new();
@@ -26,43 +21,7 @@ public BbsSshArchiveDownloader(OctoLogger log, FileSystemProvider fileSystemProv
{
_log = log;
_fileSystemProvider = fileSystemProvider;
-
- _privateKey = new PrivateKeyFile(privateKeyFileFullPath);
-
- if (IsRsaKey(_privateKey))
- {
- _rsaKey = UpdatePrivateKeyFileToRsaSha256(_privateKey);
- _authenticationMethodRsa = new PrivateKeyAuthenticationMethod(sshUser, _privateKey);
- var connection = new ConnectionInfo(host, sshPort, sshUser, _authenticationMethodRsa);
- connection.HostKeyAlgorithms["rsa-sha2-256"] = data => new KeyHostAlgorithm("rsa-sha2-256", _rsaKey, data);
- _sftpClient = new SftpClient(connection);
- }
- else
- {
- _sftpClient = new SftpClient(host, sshPort, sshUser, _privateKey);
- }
- }
-
- private bool IsRsaKey(PrivateKeyFile privateKeyFile) => privateKeyFile.HostKey is KeyHostAlgorithm keyHostAlgorithm && keyHostAlgorithm.Key is RsaKey;
-
- private RsaWithSha256SignatureKey UpdatePrivateKeyFileToRsaSha256(PrivateKeyFile privateKeyFile)
- {
- if ((privateKeyFile.HostKey as KeyHostAlgorithm).Key is not RsaKey oldRsaKey)
- {
- throw new ArgumentException("The private key file is not an RSA key.", nameof(privateKeyFile));
- }
-
- var rsaKey = new RsaWithSha256SignatureKey(oldRsaKey.Modulus, oldRsaKey.Exponent, oldRsaKey.D, oldRsaKey.P, oldRsaKey.Q, oldRsaKey.InverseQ);
-
- var keyHostAlgorithm = new KeyHostAlgorithm(rsaKey.ToString(), rsaKey);
-
- var hostKeyProperty = typeof(PrivateKeyFile).GetProperty(nameof(PrivateKeyFile.HostKey));
- hostKeyProperty.SetValue(privateKeyFile, keyHostAlgorithm);
-
- var keyField = typeof(PrivateKeyFile).GetField("_key", BindingFlags.NonPublic | BindingFlags.Instance);
- keyField.SetValue(privateKeyFile, rsaKey);
-
- return rsaKey;
+ _sftpClient = new SftpClient(host, sshPort, sshUser, new PrivateKeyFile(privateKeyFileFullPath));
}
internal BbsSshArchiveDownloader(OctoLogger log, FileSystemProvider fileSystemProvider, ISftpClient sftpClient)
@@ -125,7 +84,8 @@ private void LogProgress(ulong downloadedBytes, ulong totalBytes)
return;
}
- _log.LogInformation($"Archive download in progress, {GetLogFriendlySize(downloadedBytes)} out of {GetLogFriendlySize(totalBytes)} ({GetPercentage(downloadedBytes, totalBytes)}) completed...");
+ _log.LogInformation(
+ $"Archive download in progress, {GetLogFriendlySize(downloadedBytes)} out of {GetLogFriendlySize(totalBytes)} ({GetPercentage(downloadedBytes, totalBytes)}) completed...");
_nextProgressReport = _nextProgressReport.AddSeconds(DOWNLOAD_PROGRESS_REPORT_INTERVAL_IN_SECONDS);
}
@@ -159,9 +119,6 @@ private string GetLogFriendlySize(ulong size)
public void Dispose()
{
- (_sftpClient as IDisposable)?.Dispose();
- (_rsaKey as IDisposable)?.Dispose();
- (_authenticationMethodRsa as IDisposable)?.Dispose();
- (_privateKey as IDisposable)?.Dispose();
+ _sftpClient?.Dispose();
}
}
diff --git a/src/bbs2gh/bbs2gh.csproj b/src/bbs2gh/bbs2gh.csproj
index 6a46031e8..1c25ff12a 100644
--- a/src/bbs2gh/bbs2gh.csproj
+++ b/src/bbs2gh/bbs2gh.csproj
@@ -13,7 +13,7 @@
-
+