[aws] The request signature we calculated does not match the signature you provided.

/Library/Ruby/Gems/2.0.0/gems/aws-sdk-core-2.2.11/lib/seahorse/client/plugins/raise_response_errors.rb:15:in `call': The request signature we calculated does not match the signature you provided. Check your key and signing method. (Aws::S3::Errors::SignatureDoesNotMatch)
	from /Library/Ruby/Gems/2.0.0/gems/aws-sdk-core-2.2.11/lib/aws-sdk-core/plugins/s3_sse_cpk.rb:18:in `call'
	from /Library/Ruby/Gems/2.0.0/gems/aws-sdk-core-2.2.11/lib/aws-sdk-core/plugins/param_converter.rb:20:in `call'
	from /Library/Ruby/Gems/2.0.0/gems/aws-sdk-core-2.2.11/lib/seahorse/client/plugins/response_target.rb:21:in `call'
	from /Library/Ruby/Gems/2.0.0/gems/aws-sdk-core-2.2.11/lib/seahorse/client/request.rb:70:in `send_request'
	from /Library/Ruby/Gems/2.0.0/gems/aws-sdk-core-2.2.11/lib/seahorse/client/base.rb:207:in `block (2 levels) in define_operation_methods'
	from /Library/Ruby/Gems/2.0.0/gems/aws-sdk-resources-2.2.11/lib/aws-sdk-resources/services/s3/file_uploader.rb:42:in `block in put_object'
	from /Library/Ruby/Gems/2.0.0/gems/aws-sdk-resources-2.2.11/lib/aws-sdk-resources/services/s3/file_uploader.rb:49:in `open_file'
	from /Library/Ruby/Gems/2.0.0/gems/aws-sdk-resources-2.2.11/lib/aws-sdk-resources/services/s3/file_uploader.rb:41:in `put_object'
	from /Library/Ruby/Gems/2.0.0/gems/aws-sdk-resources-2.2.11/lib/aws-sdk-resources/services/s3/file_uploader.rb:34:in `upload'
	from /Library/Ruby/Gems/2.0.0/gems/aws-sdk-resources-2.2.11/lib/aws-sdk-resources/services/s3/object.rb:231:in `upload_file'
	from build.rb:240:in `<main>'

위와 같은 에러가 발생하여 확인해보니

s3 = Aws::S3::Resource.new( region:'ap-northeast-1', credentials: Aws::Credentials.new('asdfasdf', ' qwerqwer'))

aws crediential을 설정하는 부분에 띄어쓰기 문자가 들어있었다. 띄어쓰기나 다른 들어가면 안되는 문자가 있는지 확인해보자