Russh

• Homepage: https://github.com/Eugeny/russh
• First release: 2022-03-13
• Latest release: 0.54.1 (2025-08-04)
• Version history: https://github.com/Eugeny/russh/releases
• Source repository: https://github.com/Eugeny/russh
• License: Apache-2.0
• Client: true
• Server: true
• Based on: Thrussh

Remarks

• Low-level Tokio SSH2 client and server implementation.

Supported protocols

Ciphers: chacha20-poly1305@openssh.com, aes128-gcm@openssh.com, aes256-gcm@openssh.com, aes256-ctr, aes192-ctr, aes128-ctr, aes256-cbc, aes192-cbc, aes128-cbc, 3des-cbc

Compression formats: zlib, zlib@openssh.com, none

Hostkey formats: ssh-ed25519, rsa-sha2-256, rsa-sha2-512, ssh-rsa, ecdsa-sha2-nistp256, ecdsa-sha2-nistp384, ecdsa-sha2-nistp521, ssh-dss, ssh-ed25519-cert-v01@openssh.com, rsa-sha2-256-cert-v01@openssh.com, rsa-sha2-512-cert-v01@openssh.com, ssh-rsa-cert-v01@openssh.com, ecdsa-sha2-nistp256-cert-v01@openssh.com, ecdsa-sha2-nistp384-cert-v01@openssh.com, ecdsa-sha2-nistp521-cert-v01@openssh.com, ssh-dss-cert-v01@openssh.com

Key exchange protocols: curve25519-sha256, curve25519-sha256@libssh.org, diffie-hellman-group-exchange-sha1, diffie-hellman-group-exchange-sha256, diffie-hellman-group1-sha1, diffie-hellman-group14-sha1, diffie-hellman-group14-sha256, diffie-hellman-group15-sha512, diffie-hellman-group16-sha512, diffie-hellman-group17-sha512, diffie-hellman-group18-sha512, ecdh-sha2-nistp256, ecdh-sha2-nistp384, ecdh-sha2-nistp521, ext-info-c, ext-info-s, kex-strict-c-v00@openssh.com, kex-strict-s-v00@openssh.com

Message authentication codes (MACs): hmac-sha1, hmac-sha2-256, hmac-sha2-512, hmac-sha1-etm@openssh.com, hmac-sha2-256-etm@openssh.com, hmac-sha2-512-etm@openssh.com

User authentication methods: publickey, password, keyboard-interactive

Protocol extensions: server-sig-algs