Abstract Syntax Notation One (ASN.1) is an interface description language for defining data structures that can be serialized and deserialized in a standard, cross-platform way.
ASCII, abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication.
ISO/IEC 646 is the name of a set of ISO standards, described as Information technology — ISO 7-bit coded character set for information interchange and developed in cooperation with ASCII at least since 1964.
ITU-T recommendation T.50 specifies the International Reference Alphabet (IRA), formerly International Alphabet No.
In computer programming, a string is traditionally a sequence of characters, either as a literal constant or as some kind of variable.
X.690 is an ITU-T standard specifying several ASN.1 encoding formats.