NewClient returns an Agent that talks to an ssh-agent process over the given connection.

NewROAgent creates a new SSH agent which forwards signature requests to the provided remote server.

NewROSigner adds a new SSH identity to the ROAgent.

ServeAgent serves the agent protocol on the given connection.

AddedKey describes an SSH key to be added to an Agent.

ConstraintExtension describes an optional constraint defined by users.

Key represents a protocol 2 public key as defined in [PROTOCOL.agent], section 2.5.2.

Agent represents the capabilities of an ssh-agent.