diff --git a/app/models/key.rb b/app/models/key.rb
new file mode 100644
index 00000000..fa699610
--- /dev/null
+++ b/app/models/key.rb
@@ -0,0 +1,3 @@
+class Key < ActiveRecord::Base
+  belongs_to :user
+end
diff --git a/app/models/user.rb b/app/models/user.rb
index 9b0ff817..5c67c493 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -25,6 +25,8 @@ class User < ActiveRecord::Base
   has_many :member_projects, through: :project_members,
                              source: :member_project
   has_many :issues
+  # authorization of ssh access
+  has_many :keys
 
   VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
 
diff --git a/db/migrate/20150718043105_create_keys.rb b/db/migrate/20150718043105_create_keys.rb
new file mode 100644
index 00000000..af4a86d9
--- /dev/null
+++ b/db/migrate/20150718043105_create_keys.rb
@@ -0,0 +1,14 @@
+class CreateKeys < ActiveRecord::Migration
+  def change
+    create_table :keys do |t|
+      t.integer  :user_id
+      t.text :key
+      t.string :title
+      t.string :fingerprint
+
+      t.timestamps
+    end
+
+    add_index :keys, [:user_id], name: 'index_keys_on_user_id'
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 5ec0315b..f399e35a 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20150623095804) do
+ActiveRecord::Schema.define(version: 20150718043105) do
 
   create_table "comments", force: true do |t|
     t.text     "body"
@@ -67,6 +67,17 @@
     t.datetime "updated_at"
   end
 
+  create_table "keys", force: true do |t|
+    t.integer  "user_id"
+    t.text     "key"
+    t.string   "title"
+    t.string   "fingerprint"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
+  add_index "keys", ["user_id"], name: "index_keys_on_user_id"
+
   create_table "notification_statuses", force: true do |t|
     t.integer  "victim_id"
     t.integer  "notification_id"
diff --git a/spec/factories/keys.rb b/spec/factories/keys.rb
new file mode 100644
index 00000000..900101e6
--- /dev/null
+++ b/spec/factories/keys.rb
@@ -0,0 +1,7 @@
+FactoryGirl.define do
+  factory :key do
+    key 'MyText'
+    title 'MyString'
+    fingerprint 'MyString'
+  end
+end
diff --git a/spec/models/key_spec.rb b/spec/models/key_spec.rb
new file mode 100644
index 00000000..eb9ec971
--- /dev/null
+++ b/spec/models/key_spec.rb
@@ -0,0 +1,5 @@
+require 'spec_helper'
+
+RSpec.describe Key, type: :model do
+  pending 'add some examples to (or delete) #{__FILE__}'
+end