remove a pub key

bin/mpw

@@ -161,6 +161,10 @@ elsif not options[:add].nil? and options[:key].nil?
 elsif not options[:add].nil? and not options[:key].nil?
 	cli.add_key(options[:key])
 
+# Delete a public key in wallet
+elsif not options[:delete].nil? and not options[:key].nil?
+	cli.delete_key(options[:key])
+
 # Export
 elsif not options[:export].nil?
 	cli.export(options[:export])
@@ -169,7 +173,6 @@ elsif not options[:export].nil?
 elsif not options[:import].nil?
 	cli.import(options[:import])
 
-# Interactive mode
 end
 
 cli = nil

lib/mpw/mpw.rb

@@ -137,7 +137,7 @@ class MPW
 		@passwords[id] = encrypt(password)
 	end
 
-	# Add public key
+	# Add a public key
 	# args: key ->  new public key
 	def add_key(key)
 		data = GPGME::Key.export(key, armor: true).read
@@ -149,6 +149,12 @@ class MPW
 		@keys[key] = data
 	end
 
+	# Delete a public key
+	# args: key ->  public key to delete
+	def delete_key(key)
+		@keys.delete(key)
+	end
+
 	# TODO
 	def check_config
 		if false

lib/mpw/ui/cli.rb

@@ -186,7 +186,8 @@ class Cli
 		end
 	end
 
-	# Add new public key
+	# Add a new public key
+	# args: key -> the key name to add
 	def add_key(key)
 		@mpw.add_key(key)
 		@mpw.write_data
@@ -196,6 +197,17 @@ class Cli
 		puts "#{I18n.t('display.error')} #13: #{e}".red
 	end
 
+	# Add new public key
+	# args: key -> the key name to delete
+	def delete_key(key)
+		@mpw.delete_key(key)
+		@mpw.write_data
+
+		puts "#{I18n.t('key.delete.valid')}".green
+	rescue Exception => e
+		puts "#{I18n.t('display.error')} #15: #{e}".red
+	end
+
 	# Form to add a new item
 	def add
 		options = {}