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On the recordRead 11 Oct 202619 facts
TinySSH
On the record
- Authentication
- TinySSH supports public-key authentication and does not implement password or host-based authentication.tinyssh.org · read 11 Oct 2026
- Authorized keys
- OpenSSH authorized_keys entries are supported only when they contain a key without options.tinyssh.org · read 11 Oct 2026
- Code size
- The project says its 20240101 release contains 63,899 words of code.tinyssh.org · read 11 Oct 2026
- Compatibility limits
- TinySSH does not implement SSH1, compression, port forwarding, agent forwarding, or X11 forwarding.github.com · read 11 Oct 2026
- Cryptography
- The project lists Ed25519 host keys, Curve25519 key exchange, ChaCha20-Poly1305, and post-quantum sntrup761x25519 key exchange support.github.com · read 11 Oct 2026
- Downloads
- The install page documents source downloads and compilation for Unix, plus installation from Debian's apt package.tinyssh.org · read 11 Oct 2026
- File transfer
- TinySSH has no SCP program; its FAQ says rsync over SSH can do the same job and that an external SFTP server can be run with the -x switch.tinyssh.org · read 11 Oct 2026
- Installation
- The install page gives Debian package installation instructions and Unix source compilation instructions.tinyssh.org · read 11 Oct 2026
- Integrations
- The project documents running TinySSH with tcpserver, systemd socket activation, inetd, and BusyBox tcpsvd.github.com · read 11 Oct 2026
- Key compatibility
- TinySSH accepts OpenSSH authorized_keys entries containing keys only, without options, and its FAQ says OpenSSH private keys require conversion to TinySSH format.tinyssh.org · read 11 Oct 2026
- License
- The project says TinySSH is in the public domain.tinyssh.org · read 11 Oct 2026
- Memory
- The project says it uses statically allocated memory of less than 1 MB.tinyssh.org · read 11 Oct 2026
- Product
- TinySSH is a minimal SSH server that implements a subset of SSHv2 features.tinyssh.org · read 11 Oct 2026
- Release status
- The project identifies its current release as 20240101 and labels it beta.tinyssh.org · read 11 Oct 2026
- Security change
- Starting with version 20260906, TinySSH rejects client-supplied environment variables in env channel requests.github.com · read 11 Oct 2026
- Security design
- TinySSH says it omits older cryptographic primitives including RSA, DSA, HMAC-MD5, HMAC-SHA1, 3DES, and RC4.github.com · read 11 Oct 2026
- SFTP
- TinySSH can run an external SFTP server such as OpenSSH sftp-server when configured with the -x switch.tinyssh.org · read 11 Oct 2026
- Windows
- The FAQ says TinySSH can be compiled and run on Windows through Cygwin.tinyssh.org · read 11 Oct 2026