# File lib/aws/core/signers/version_3_https.rb, line 34 def sign_request req parts = [] parts << "AWS3-HTTPS AWSAccessKeyId=#{credentials.access_key_id}" parts << "Algorithm=HmacSHA256" parts << "Signature=#{signature(req)}" req.headers['x-amzn-authorization'] = parts.join(',') req.headers['x-amz-security-token'] = credentials.session_token if credentials.session_token req end