Imports github.com/aws/aws-sdk-go/aws/session github.com/aws/aws-sdk-go/aws github.com/aws/aws-sdk-go/aws/awserr github.com/aws/aws-sdk-go/aws/credentials github.com/aws/aws-sdk-go/service/s3 Standard library imports bytes compress/gzip crypto/aes crypto/cipher crypto/hmac crypto/sha256 encoding/base64 errors hash io net/url os strconv strings