Tod Beardsley
810133acc2
Note that net-ssh is no longer actively maintained: http://weblog.jamisbuck.org/2009/2/25/net-ssh-capistrano-and-saying-goodbye git-svn-id: file:///home/svn/framework3/trunk@8523 4d416f70-5f16-0410-b530-b9f4589650da
31 lines
1.0 KiB
Ruby
31 lines
1.0 KiB
Ruby
require 'net/ssh/transport/hmac/md5'
|
|
require 'net/ssh/transport/hmac/md5_96'
|
|
require 'net/ssh/transport/hmac/sha1'
|
|
require 'net/ssh/transport/hmac/sha1_96'
|
|
require 'net/ssh/transport/hmac/none'
|
|
|
|
# Implements a simple factory interface for fetching hmac implementations, or
|
|
# for finding the key lengths for hmac implementations.s
|
|
module Net::SSH::Transport::HMAC
|
|
# The mapping of SSH hmac algorithms to their implementations
|
|
MAP = {
|
|
'hmac-md5' => MD5,
|
|
'hmac-md5-96' => MD5_96,
|
|
'hmac-sha1' => SHA1,
|
|
'hmac-sha1-96' => SHA1_96,
|
|
'none' => None
|
|
}
|
|
|
|
# Retrieves a new hmac instance of the given SSH type (+name+). If +key+ is
|
|
# given, the new instance will be initialized with that key.
|
|
def self.get(name, key="")
|
|
impl = MAP[name] or raise ArgumentError, "hmac not found: #{name.inspect}"
|
|
impl.new(key)
|
|
end
|
|
|
|
# Retrieves the key length for the hmac of the given SSH type (+name+).
|
|
def self.key_length(name)
|
|
impl = MAP[name] or raise ArgumentError, "hmac not found: #{name.inspect}"
|
|
impl.key_length
|
|
end
|
|
end |