Imports github.com/russellhaering/goxmldsig/types github.com/beevik/etree github.com/russellhaering/goxmldsig/etreeutils github.com/jonboulle/clockwork Standard library imports bytes crypto/rand crypto/tls crypto/x509 encoding/base64 errors fmt math/big regexp sort crypto/rsa crypto/sha256 crypto crypto/sha1 time