Imports github.com/russellhaering/goxmldsig github.com/pressly/saml/xmlsec github.com/beevik/etree github.com/gofrs/uuid github.com/pkg/errors Standard library imports bytes compress/flate crypto/sha1 crypto/tls crypto/x509 encoding/base64 encoding/pem encoding/xml fmt io/ioutil log net/http net/url os regexp strconv strings sync sync/atomic text/template time