Hi,
I am currently playing around with Daniel J. Bernstein's public-key
signature system. It looks great in comparison to ECDSA and it is very
fast, which would be a benefit on all embedded systems. Besides that
is's also not using the NIST curves..
OpenSSH introduced support for ed25519 public keys with version 6.5:
http://www.openssh.com/txt/release-6.5
libssh supports using curve25519 for key exchange, see:
http://git.libssh.org/projects/libssh.git/tree/doc/curve25519-sha256@libssh.org.txt
More info about Ed25519: http://ed25519.cr.yp.to
There is also a paper: http://ed25519.cr.yp.to/ed25519-20110926.pdf
So my question is: Did anyone already think about implementing support
for ed25519 keys and curve25519 key exchange in libssh2 to be compatible
with OpenSSH >= 6.5 ?
In the process of that, implementing Salsa-20 / ChaCha (djbs stream
cipher) and Poly1305-AES (a MAC) could also be useful.
Please share your opinion about adding those to libssh2. As far as I
know, neither OpenSSL nor libgcrypt support them (yet), but using djb's
NaCl library for that purpose might be an option:
http://nacl.cace-project.eu
Happy Hacking!
Clemens
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Received on 2014-04-02