Added back algorith

Minor release to v1.1.0

RELEASE NOTES:

Thank you for the community contributions, which made this release
possible!

* Fixed 2 typos in error messages
* Fixed failing unit tests
* Support ed25519 signing/verifying
* Added SSHSigner w/ ed25519 support
* Support RSA in SSHSigner
* Better certificate-alorithm matching

Ran go fmt

Fix vet lint