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GHC 9.14.1 · lts/ghc-9.14.x · b922848 · 2026-10-12

Modulecrypton-asn1-encoding-0.10.0Haskell2010

Data.ASN1.BinaryEncoding.Raw

Raw encoding of binary format (BERDERCER)

Contents

Types
Parser
Writer

Synopsis

data ASN1Header
data ASN1Class
type ASN1Tag
data ASN1Length
data ASN1Event
value parseLBS
value parseBS
value toLazyByteString
value toByteString

Packagecrypton-asn1-encoding-0.10.0
Exports9
LanguageHaskell2010
LicenceBSD-3-Clause
SourceRaw.hs

Types

datadata ASN1Header

ASN.1 Header with the class, tag, constructed flag and length.

Constructors

ASN1Header !ASN1Class !ASN1Tag !Bool !ASN1Length

Instances2Eq, Show

Eq ASN1HeaderDefined in crypton-asn1-types-0.4.1 · Data.ASN1.Types.Lowlevel
Show ASN1HeaderDefined in crypton-asn1-types-0.4.1 · Data.ASN1.Types.Lowlevel

datadata ASN1Class

Element class.

Universal Application Context Private

Instances4Enum, Eq, Ord, Show

Enum ASN1ClassDefined in crypton-asn1-types-0.4.1 · Data.ASN1.Types.Lowlevel
Eq ASN1ClassDefined in crypton-asn1-types-0.4.1 · Data.ASN1.Types.Lowlevel
Ord ASN1ClassDefined in crypton-asn1-types-0.4.1 · Data.ASN1.Types.Lowlevel
Show ASN1ClassDefined in crypton-asn1-types-0.4.1 · Data.ASN1.Types.Lowlevel

typetype ASN1Tag = Int

ASN.1 Tag.

datadata ASN1Length

ASN.1 Length with all different formats.

Constructors

LenShort Int
Short form with only one byte. Length has to be < 127.
LenLong Int Int
Long form of N bytes.
LenIndefinite
Length is indefinite. Expect an EOC in the stream to finish the type.

Instances2Eq, Show

Eq ASN1LengthDefined in crypton-asn1-types-0.4.1 · Data.ASN1.Types.Lowlevel
Show ASN1LengthDefined in crypton-asn1-types-0.4.1 · Data.ASN1.Types.Lowlevel

datadata ASN1Event

Represent one event from an ASN.1 data stream.

Constructors

Header ASN1Header
ASN.1 Header.
Primitive !ByteString
Primitive
ConstructionBegin
Constructed value start.
ConstructionEnd
Constructed value end.

Instances2Eq, Show

Eq ASN1EventDefined in crypton-asn1-types-0.4.1 · Data.ASN1.Types.Lowlevel
Show ASN1EventDefined in crypton-asn1-types-0.4.1 · Data.ASN1.Types.Lowlevel

Parser

valueparseLBS :: ByteString -> Either ASN1Error [ASN1Event]

Parse one lazy bytestring and returns on success all ASN.1 events associated.

valueparseBS :: ByteString -> Either ASN1Error [ASN1Event]

Parse one strict bytestring and returns on success all ASN.1 events associated.

Writer

valuetoLazyByteString :: [ASN1Event] -> ByteString

Transform a list of ASN.1 events into a lazy bytestring.

valuetoByteString :: [ASN1Event] -> ByteString

Transform a list of ASN.1 events into a strict bytestring.