Package ascii85 implements the ascii85 data encoding as used in the btoa tool and Adobe's PostScript and PDF document formats.
Package asn1 implements parsing of DER-encoded ASN.1 data structures, as defined in ITU-T Rec X.690.
Package binary implements simple translation between numbers and byte sequences and encoding and decoding of varints.
Package gob manages streams of gobs - binary values exchanged between an [Encoder] (transmitter) and a [Decoder] (receiver).