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ASN.1 types and codecs 2.0.8 documentation
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ASN.1 types and codecs 2.0.8 documentation
  • Quick start
  • Library documentation
    • ASN.1 type system
      • Asn1Type type
      • SimpleAsn1Type type
      • ConstructedAsn1Type type
      • NoValue sentinel
    • Universal types
      • Integer type
      • Boolean type
      • BitString type
      • OctetString type
      • Null type
      • ObjectIdentifier type
      • RelativeOID type
      • Real type
      • Enumerated type
      • Any type
      • SetOf type
      • SequenceOf type
      • Set type
      • Sequence type
      • Choice type
    • Character types
      • NumericString type
      • PrintableString type
      • TeletexString type
      • T61String type
      • VideotexString type
      • IA5String type
      • GraphicString type
      • VisibleString type
      • ISO646String type
      • GeneralString type
      • UniversalString type
      • BMPString type
      • UTF8String type
    • Useful types
      • ObjectDescriptor type
      • GeneralizedTime type
      • UTCTime type
    • Tags
      • Solitary tag
      • Tag set
      • Tag->type map
    • Constraints
      • Single value constraint
      • Contained subtype constraint
      • Value range constraint
      • Value size constraint
      • Permitted alphabet constraint
      • WITH COMPONENTS constraint
      • Constraints intersection
      • Constraints union
      • Constraints exclusion
    • Fields of constructed types
      • NamedType
      • OptionalNamedType
      • DefaultedNamedType
      • NamedTypes
    • Dynamic or open type
      • OpenType
    • Enumerating numbers
      • NamedValues
    • Basic Encoding Rules
    • Canonical Encoding Rules
    • Distinguished Encoding Rules
    • Native Python types
    • Structured error context
    • PyAsn1Error
    • ValueConstraintError
    • SubstrateUnderrunError
    • PyAsn1UnicodeError
    • PyAsn1UnicodeDecodeError
    • PyAsn1UnicodeEncodeError
    • Debugging and logging
  • Example use case
  • Download & Install
  • Continuous integration and releases
  • Changelog
  • 1.3.0 (2026-09-05)
  • 1.3.0-rc.3 (2026-09-05)
  • 1.3.0-rc.2 (2026-09-05)
  • 1.3.0-rc.1 (2026-09-05)
  • 1.2.0 (2026-09-03)
  • 1.2.0-rc.1 (2026-09-03)
  • 1.2.0-beta.14 (2026-09-02)
  • 1.2.0-beta.13 (2026-09-02)
  • 1.2.0-beta.12 (2026-09-02)
  • 1.2.0-beta.11 (2026-09-02)
  • 1.2.0-beta.10 (2026-09-02)
  • 1.2.0-beta.9 (2026-09-02)
  • 1.2.0-beta.8 (2026-09-02)
  • 1.2.0-beta.7 (2026-09-02)
  • 1.2.0-beta.6 (2026-09-02)
  • 1.2.0-beta.5 (2026-09-02)
  • 1.2.0-beta.4 (2026-09-01)
  • 1.2.0-beta.3 (2026-09-01)
  • 1.2.0-beta.2 (2026-09-01)
  • 1.2.0-beta.1 (2026-09-01)
  • 1.1.0 (2021-11-24)
  • Historical changelog
  • License
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