asn1

package
Version: v0.0.0-...-694bf46 Latest Latest
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Published: Feb 4, 2021 License: BSD-3-Clause Imports: 0 Imported by: 0

Documentation

Overview

Package asn1 contains supporting types for parsing and building ASN.1 messages with the cryptobyte package.

Index

Constants

View Source
const (
	BOOLEAN           = Tag(1)
	INTEGER           = Tag(2)
	BIT_STRING        = Tag(3)
	OCTET_STRING      = Tag(4)
	NULL              = Tag(5)
	OBJECT_IDENTIFIER = Tag(6)
	ENUM              = Tag(10)
	UTF8String        = Tag(12)
	SEQUENCE          = Tag(16 | classConstructed)
	SET               = Tag(17 | classConstructed)
	PrintableString   = Tag(19)
	T61String         = Tag(20)
	IA5String         = Tag(22)
	UTCTime           = Tag(23)
	GeneralizedTime   = Tag(24)
	GeneralString     = Tag(27)
)

The following is a list of standard tag and class combinations.

Variables

This section is empty.

Functions

This section is empty.

Types

type Tag

type Tag uint8

Tag represents an ASN.1 identifier octet, consisting of a tag number (indicating a type) and class (such as context-specific or constructed).

Methods in the cryptobyte package only support the low-tag-number form, i.e. a single identifier octet with bits 7-8 encoding the class and bits 1-6 encoding the tag number.

func (Tag) Constructed

func (t Tag) Constructed() Tag

Constructed returns t with the constructed class bit set.

func (Tag) ContextSpecific

func (t Tag) ContextSpecific() Tag

ContextSpecific returns t with the context-specific class bit set.

Source Files

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