Implemeting amazon Simple nodification service in RUBY -


am trying implement amazon sns using ruby. want create topic,delete topic,subscribe topic,publish topic.these included in following code.

#!/usr/bin/env ruby require 'rubygems' require 'aws-sdk' aws.config(:access_key_id => 'bt62w53q', :secret_access_key => '0edwg') @sns=aws::sns.new  #d requirements alpha = @sns.topics.create('csc470test-alpha')  @sns.topics.create('csc470test-beta') temp=gets @sns.topics.each |topic|   puts topic.name   if(topic.name=='csc470test-beta')     topic.delete   end end puts puts 'beta deleted.' puts @sns.topics.each |topic|   puts topic.name end puts temp=gets puts #c requirements @sns.topics.each |topic|   if(topic.name=='csc470test-alpha')     subbed1=false     subbed2=false     subbed3=false     topic.subscriptions.each |sub|       if(sub.endpoint=='sn@aine.com')         subbed1=true;       end       if(sub.endpoint=='pran@aine.com')         subbed2=true;       end       if(sub.endpoint=='http://cloud.comtor.org/csc470logger/logger')         subbed3=true;       end     end     if(!subbed1)       puts 'subscribed sika.'       topic.subscribe('sn@aine.com')     end     if(!subbed2)       puts 'subscribed prka'       topic.subscribe('pran@aine.com', :json => true)     end     if(!subbed3)       puts 'subscribed comtor site.'       topic.subscribe('http://cloud.comtor.org/csc470logger/logger')     end   end end temp=gets puts 'topics info:' @sns.topics.each |topic|   puts   puts 'arn'   puts topic.arn   puts 'owner'   puts topic.owner   puts 'policy'   puts topic.policy   puts 'name'   puts topic.display_name   puts 'confirmed subscriptions:'   puts topic.subscriptions.     select{ |s| s.arn != 'pendingconfirmation' }.     map(&:endpoint) # if(subs.confirmation_authenticated?)   # puts 'arn: ' + subs.arn   # puts 'endpoint: ' + subs.endpoint   # puts 'protocol: ' + subs.protocol  # end end puts temp=gets @sns.subscriptions.each |subs|   puts "subscriptionarn: #{ subs.arn} "   puts "topicarn: #{subs.topic_arn} "   puts "owner: #{subs.owner_id} "   puts "delivery policy: #{ subs.delivery_policy_json} "   end

while running code in rails console. iam getting error

c:/programdata/railsinstaller/ruby1.9.3/lib/ruby/gems/1.9.1/gems/aws-sdk-1.8.5/l ib/aws/core/client.rb:339:in `return_or_raise': request signature calcula ted not match signature provided. check aws secret access key , signing method. consult service documentation details. (aws::sns::er rors::signaturedoesnotmatch)         c:/programdata/railsinstaller/ruby1.9.3/lib/ruby/gems/1.9.1/gems/aw s-sdk-1.8.5/lib/aws/core/client.rb:440:in `client_request'         (eval):3:in `create_topic'         c:/programdata/railsinstaller/ruby1.9.3/lib/ruby/gems/1.9.1/gems/aw s-sdk-1.8.5/lib/aws/sns/topic_collection.rb:24:in `create'


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