| bufio | Package bufio implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or Writer) that also implements the interface but provides buffering and some help for textual I/O. |
| bytes | Package bytes implements functions for the manipulation of byte slices. |
| encoding/base64 | Package base64 implements base64 encoding as specified by RFC 4648. |
| github.com/ProtonMail/go-crypto/openpgp/errors | Package errors contains common error types for the OpenPGP packages. |
| io | Package io provides basic interfaces to I/O primitives. |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |