Primitive Types

The following primitive ASN.1 types are available as Python classes in the synta package. Each section below links to the detailed API reference.

Numeric types

See Numeric Types for full API reference.

Class	ASN.1 type	Tag	Character set
`Utf8String`	UTF8String	`0x0c`	Unicode
`PrintableString`	PrintableString	`0x13`	Restricted ASCII
`IA5String`	IA5String	`0x16`	ASCII (0x00–0x7f)
`NumericString`	NumericString	`0x12`	Digits and space
`TeletexString`	TeletexString / T61String	`0x14`	Arbitrary bytes (Latin-1 decode)
`VisibleString`	VisibleString	`0x1a`	Printable ASCII
`GeneralString`	GeneralString	`0x1b`	Arbitrary bytes (Latin-1 decode)
`UniversalString`	UniversalString	`0x1c`	UCS-4 big-endian
`BmpString`	BMPString	`0x1e`	UCS-2 big-endian (BMP only)

See String Types for full API reference.

Class	ASN.1 type	Tag
`UtcTime`	UTCTime	`0x17`
`GeneralizedTime`	GeneralizedTime	`0x18`

See Time Types for full API reference.

Class	ASN.1 type	Tag
`OctetString`	OCTET STRING	`0x04`
`BitString`	BIT STRING	`0x03`

See Bit and Octet Strings for full API reference.

Class	Description
`TaggedElement`	Returned by `decode_any()` for explicitly-tagged or application/private-tagged values.
`RawElement`	Returned by `decode_any()` for unknown universal tags.

See Tagged and Raw Elements for full API reference.