ssh: Add support for RSA keys stored in OpenSSH's new format

Adds support for parsing RSA keys in the openssh-key-v1 private key format.

Change-Id: Iacdcbaadf72413e4067d146203604fb50b780083
Reviewed-on: https://go-review.googlesource.com/35244
Run-TryBot: Han-Wen Nienhuys <hanwen@google.com>
Reviewed-by: Paul Querna <paul@querna.org>
Reviewed-by: Han-Wen Nienhuys <hanwen@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2 files changed