knife rsa error

gistfile1.txt

DEBUG: Using configuration from /home/whit/chef-repo/.chef/knife.rb
DEBUG: Signing the request as whitmo
/var/lib/gems/1.8/gems/mixlib-authentication-1.1.4/lib/mixlib/authentication/signedheaderauth.rb:56:in `private_encrypt': data too large for key size (OpenSSL::PKey::RSAError)
	from /var/lib/gems/1.8/gems/mixlib-authentication-1.1.4/lib/mixlib/authentication/signedheaderauth.rb:56:in `sign'
	from /var/lib/gems/1.8/gems/chef-0.10.4/lib/chef/rest/auth_credentials.rb:51:in `signature_headers'
	from /var/lib/gems/1.8/gems/chef-0.10.4/lib/chef/rest.rb:321:in `authentication_headers'
	from /var/lib/gems/1.8/gems/chef-0.10.4/lib/chef/rest.rb:366:in `build_headers'
	from /var/lib/gems/1.8/gems/chef-0.10.4/lib/chef/rest.rb:216:in `api_request'
	from /var/lib/gems/1.8/gems/chef-0.10.4/lib/chef/rest.rb:114:in `get_rest'
	from /var/lib/gems/1.8/gems/chef-0.10.4/lib/chef/api_client.rb:192:in `list'
	from /var/lib/gems/1.8/gems/chef-0.10.4/lib/chef/knife/client_list.rb:38:in `run'
	from /var/lib/gems/1.8/gems/chef-0.10.4/lib/chef/knife.rb:391:in `run_with_pretty_exceptions'
	from /var/lib/gems/1.8/gems/chef-0.10.4/lib/chef/knife.rb:166:in `run'
	from /var/lib/gems/1.8/gems/chef-0.10.4/lib/chef/application/knife.rb:128:in `run'
	from /var/lib/gems/1.8/gems/chef-0.10.4/bin/knife:25
	from /usr/local/bin/knife:19:in `load'
	from /usr/local/bin/knife:19