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AuthorForum: PowerTCP SFTP & SSH for .NET
Topic: Key Exchange Algorithms
kwschantz

From: Summerland, CA USA
Posts: 4
Member Since: 02/11/06
posted July 27, 2016 6:35 PM

What are the currently supported key exchange algorithms? We currently must connect to secure servers that only support the following algorithms: diffie-hellman-group-exchange-sha256,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521. It appears that the current Dart.SSH library (v4.8.1.0) only supports *-sha1.
Nick B (Admin)

From: Utica, NY USA
Posts: 572
Member Since: 05/25/10

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Custom Application Development

posted July 29, 2016 1:14 PM

Hello,

You're correct, we currently only support the diffie-hellman-group-exchange-sha1, diffie-hellman-group14-sha1, and diffie-hellman-group1-sha1 key exchange algorithms. I've added your comments to the feature request for adding newer KEX algorithms, TFS850. For information or updates on its status, please contact jamie.powell@dart.com.
Nick B (Admin)

From: Utica, NY USA
Posts: 572
Member Since: 05/25/10

Extra Support Options
Custom Application Development

posted August 2, 2016 4:17 PM

Just wanted to update you; we're adding the diffie-hellman-group-exchange-sha256 key exchange algorithm in our upcoming release, which we expect to get out within the next 4 weeks. An email notification will be sent out once it's available, or you can contact jamie.powell@dart.com for information on the release.
Jamie Powell (Admin)

From: Rome, NY USA
Posts: 377
Member Since: 03/13/07

Extra Support Options
Custom Application Development

posted October 5, 2016 3:45 PM

This feature has been added to the most recent version of PowerTCP SSH and SFTP for .NET. Please download a free trial to test its function.

Download: http://www.dart.com/sftp-ssh-net-trial.aspx

Thank you for your continued interest in Dart!
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